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Παιδιατρική | Τόμος 78 • Τεύχος 1 • Ιανουάριος - Φεβρουάριος - Μάρτιος 2015

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Paediatriki

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008

ΒΡΑΧΕΙΕΣ

012 ΑΝΑΣΚΟΠΗΣΕΙΣ

028

038

048

Υποβολή εργασιών e-mail: grammateia@e-child.gr

Οδηγίες

http://e-child.gr/publications/ instructions-to-authors

Iδιοκτήτης

e-mail: grammateia@e-child.gr

136

Ευρωπαϊκή Μελέτη EU.NET.ADB Α. Τσίτσικα, Ε. Ανδρή, Θ. Ψαλτοπούλου, Χ. Τζαβάρα, Θ. Σεργεντάνης, Φ. Μπακοπούλου, Μ. Πατσεάδου, C. Richardson, Γ. Χρούσος, Μ. Τσολιά

Paediatriki

Volume 78 • Number 1 • January - February - March 2015

Trimonthly publication of the Greek Paediatric Society

Contents

006

EDITORIAL

G.S. Varlamis

008

SHORT ABSTRACTS

012

REVIEW ARTICLES

Urolithiasis in childhood. Symptom or disease? Review of the literature

Maria Pavlou, Ekaterini Siomou, Nikolaos Chaliasos

028

The Safety of using melatonin in children: A review of current, international literature. Eugenia F. Laspa, Anna V. Papakonstantinou, Evangelos C. Kalogiannis, Maria Mironidou-Tzouveleki

038

Guidelines for evaluation and management of cryptorchidism

Eirini Dikaiakou, Elpis-Athina Vlachopapadopoulou, Alexandros Passalidis

048

ORIGINAL ARTICLES

Exercise Testing in monitoring lung disease among patients with cystic fibrosis Kampouras Asterios, Hatziagorou Elpis, Avramidou Vasiliki, Kontouli Kalliopi, Georgopoulou Vasiliki, Kirvassilis Fotios, Tsanakas Ioannis

058

Differential expression of extracellular matrix molecules in patients with neurofibromatosis type 1

Spyros P. Batzios, Eleni Papakonstantinou, Eleftherios Kontopoulos, Euthymia Vargiami, George Karakiulakis, Dimitrios I. Zafeiriou

President

A. Constantopoulos

Editorial board

Director

G. S. Varlamis

Members

S. Andronikou

E. Galanakis

A. Evangeliou

L. Thomaidou

M. Kanariou

A. Kapogiannis

S. Kitsiou-Tzeli

E. Mantadakis

P. Panagiotopoulou-Gartagani

A. Papadopoulou

V. Papaevagelou

A. Papathanassiou

A. Siamopoulou-Mavridou

A. Syrigou-Papavasiliou

Manuscript submission

e-mail: grammateia@e-child.gr

Instructions to authors: http://e-child.gr/publications/ instructions-to-authors

Owner Greek Paediatric Society 15, Mpakopoulou st. GR - 15451, Ν. Psychiko Tel.: +302107771140

e-mail: grammateia@e-child.gr

Annual subscription All foreign countries: US$50

070

How do children play today: Α timeless research

Dr. Panagiotis Kardaras, Niki Dedousi, Tatiana Vrettakou, Paraskevas Kilintzis, Evaggelia Farini, Maria-Eirini Vrettakou

100

Screening tests and record of metabolic syndrome in adolescents school population of western thessaloniki

Eleni P. Kotanidou, Aggeliki Kleisarchaki, Konstantina Mouzaki, Paraskevi Kokka, Ioannis Kyrgios, Iro Tsara, Efthimia Eustratiou, Anna-Bettina Haiditc, Vagia Papageorgiou, Maria Eboriadou-Petikopoulou, Assimina Galli-Tsinopoulou

110

Correlation of blood pressure and Body Mass Index (BMI) in Senior High School students

Papadopoulos Giorgos Ph.D., Tamattiri Kyriaki, Economou Alexandra, Akrita Christina, Engomiti Evdokia, Makri Antrea, Theophanous Zoe, Xatziantona Nicol, Charalambous Giorgos

122

Lung function in children with neuromuscular disorders. Experience from Thessaloniki Neuromuscular Disorders Unit

Maria Gogou, Maria Hatzistylianou, Maria Eboriadou, Evangelos Pavlou, Andreas Giannopoulos, Efterpi Pavlidou, Katerina Haidopoulou

136

Association between problematic internet use, socio-demographic variables and overweight/ obesity among European adolescents. Results from the EU NET ADB study

Artemis Tsitsika, Elisavet Andrie, Theodora Psaltopoulou, Chara Tzavara, Theodoros Sergentanis, Flora Bacopoulou, Magda Patseadou, Clive Richardson, George Chroussos, Marisa Tsolia

Παραπομπές:

1. Eliot L. What’s Going On in There? How the Brain and Mind Develop in the First Five Years of Life. New York, NY: Bantam Books; 1999. 2. UNICEF/World Health Organization. Integrating Early Childhood Development (ECD) Activities Into Nutrition Programmes in Emergencies. Why, What and How [guidance note]. 2014:1-16. 3. Hernandez-Reif M, Diego M, Field T. Preterm infants show reduced stress behaviors and activity after 5 days of massage therapy. Infant Behav Dev. 2007;30(4):557-561. 4. White-Traut RC, Schwertz D, McFarlin B, Kogan J. Salivary cortisol and behavioral state responses of healthy newborn infants to tactile-only and multisensory interventions. J Obstet Gynecol Neonatal Nurs. 2009;38:22-34. 5. Mindell JA, Telofski LS, Wiegand B, Kurtz ES. A nightly bedtime routine: impact on sleep in young children and maternal mood. Sleep. 2009;32(5):599-606. 6. White-Traut RC, Nelson MN, Silvestri JM, et al. Effect of auditory, tactile, visual, and vestibular intervention on length of stay, alertness, and feeding progression in preterm infants. Dev Med Child Neurol. 2002;44:91-97. 7. Field T, Cullen C, Largie S, Diego M, Schanberg S, Kuhn C. Lavender bath oil reduces stress and crying and enhances sleep in very young infants. Early Hum Dev. 2008;84(6):399-401. 8. Farroni T, Csibra G, Simion F, Johnson MH. Eye contact detection in humans from birth. Proc Natl Acad Sci U S A. 2002;99(14):9602-9605. 9. Herz RS. A naturalistic analysis of autobiographical memories triggered by olfactory visual and auditory stimuli. Chem Senses. 2004;29(3):217-224. 10. Sullivan RM, Toubas P. Clinical usefulness of maternal odor in newborns: soothing and feeding preparatory responses. Biol Neonate. 1998;74(6):402-408.

SHORT ABSTRACTS

Οι Τσίτσικα Α και συν. (ΚΠΑ) δημοσιεύουν

Correspondence

Maria Pavlou

Stavrou Niarhou Av. 45500, Ioannina, Greece e-mail: marpavlou@gmail.

com

Τ.

+302651099793

+302651099775

+306974075908

Urolithiasis in childhood. Symptom or disease? Review of the literature

Abstract

Paediatric urolithiasis is rare but recently appears with increasing rates. Genetic predisposition, environmental and socioeconomic conditions influence the incidence, composition and location of the stone forming in the urinary tract. The causes are mainly metabolic about 40-50%, urinary tract infection 20-25% and anatomical abnormalities 10-25%. Hypercalciuria, hyperoxaluria, hypocitraturia, cystinuria, hyperuricosuria are the main metabolic disorders. The clinical presentation includes abdominal pain either as a typical renal colic or atypical, haematuria, nausea or vomiting, dysuria or urgency to urinate, urinary tract infection and occasionally irritability, bedwetting, penile edema and anorexia. Ultrasound of kidney-ureter-bladder is proposed as the initial imaging examination, showing every stone of any composition, structural abnormalities and grade of possible induced obstruction of the urinary system. The plain abdominal radiograph is widely used in clinical practice, showing only radiopaque stones and does not estimate obstruction. Investigation method of choice is computed tomography with high sensitivity and specificity, but is not recommended as a routine examination because of radiation. For every child with urolithiasis, metabolic investigation for lithogenic urine factors is required such as: measuring excretion of calcium, oxalate, cystine, uric acid or crystallization inhibitors (citrate, magnesium). Analysis of the passed stone is significant. Relapses are common in children, especially in the primary forms, with serious consequences for renal function. Therapeutic intervention of the acute episode but also longtime causative treatment is necessary. Conclusively, urolithiasis in children is the symptom rather than the disease, requires thorough metabolic examination, further causative treatment and follow up to prevent new stones formation.

Keywords: urolithiasis, nephrolithiasis, hypercalciuria, hyperoxaluria, hypocitraturia, cystinuria, hyperuricosuria

Maria Pavlou

Ekaterini Siomou

Nikolaos Chaliasos

Pediatric Department, University Hospital of Ioannina

Παθοφυσιολογία

Zn και καισίου, γλυκοζαμινογλυκάνες (ηπαρίνη, υαλουρονικό

(24).

(Proteus, Klebsiella, Pseudomonas, Enterobacter, Providencia, Staphylococcus, Ureaplasma urealyticum, Enterococci, Corynebacterium urealyticum)

phosphate-apatite-carbonate).

Phenytoin, triamterene, sulfonamides, felbamate, ceftriaxone, indinavir, ciprofloxacin, guaifenesin/ ephedrine 1.

Topiramate, zonisamide, acetazolamide

2.

Uric acid

CaOx 45-65 %, (Ca2)3(PO4)2 14-30 %,

4% (15,16,40).

Μεταβολικά

Calcium. (Avner ED, Harmon WE, Niaudet P, Yoshikawa N. Textbook of Pediatric Nephrology. 6th Edition. SpringerVerlag. Berlin Heidelberg. 2009;(58).1409.)

<75mg/g cr

>0.18-0.40 mg/mg cr <0.53 mg uric acid/ dL

[=Urine uric acid (mg/ dL)x Plasma cr(mg/ dL)/Urine cr (mg/dL)]

<4mg/Kg/24h >2

<45 mg/1.73m2/24h

<0.5mmol/1.73m2/24h <60 mg/1.73m2/24h

<0.12mg/mg >1

<815mg/1.73m2/24h <88 mg/1.73m2/24h

Dent’s disease (CLCN5 mutations)

Lowe syndrome (OCRL1 mutations)

Glycogen storage disease type 1a (G6PC/glucose-6-Phosphatase)

Wilson’s disease (ATP7B)

Renal Tubular Axidosis Type I (ATP6B1, AE1 mutations, carbonic anhydrase deficiency)

Tyrosinemia type 1 (FAH/fumarylacetoacetase)

Familial hypomagnesemia-hypercalciuria ( PCLN-1/paracellin-1 or Claudin 16 mutations)

Bartter syndrome Type I →V (SLC12A1/NKCC2, KCNJ1/ROMK , CLCNKB, BSND , CaSR)

Gordon’s syndrome (WNK1, WNK4 )

Liddle’s syndrome (SCNN1B and SCNN1G )

Autosomal dominant hypocalcemia (CaSR/calcium-sensing receptor)

Familial isolated hypoparathyroidism (CaSR/calcium-sensing receptor)

MEN1 with hyperparathyroidism (Menin)

Parathyroid tumors with ossifying fibromas of the jaw (HPT-JT) (Parafibromin)

Infantile hypophosphatasia (ALPL/alkaline Phosphatase)

Metaphyseal chondrodysplasia Jansen type (PTHR)

Πολυγονιδιακές

(sAC, CaSR, VDR)

Osteogenesis imperfecta type 1 (COL1A1 και COL1A2)

McCune-Albright syndrome (GNAS1)

Hereditary hypophosphatemia with rickets and hypercalciuria (PHEX mutations/NPT2a)

Hereditary hypophosphatemia with rickets and hypercalciuria (no NPT2a mutation)

Congenital lactase deficiency (locus linked to 2q21), sucrose-isomaltase (SI)

Glucose/galactose malabsorption ( SLC5A1)

Blue diaper syndrome (possibly SLC16A10/T-)

Williams–Beuren syndrome (ELN, LIMK1, RFC2)

Cystic fibrosis ( CFTR)

β-Thalassemia ( HBB/-globin)

Beckwith-Wiedemann syndrome (p57(KIP2)- NSD1- H19 gene

Phenylketonuria (PKU1/phenylalanine hydroxylase)

Orlistat, ↑ VitC

Ethylene glycol

Πρωτοπαθής υπεροξαλουρία I AGXT alanine-glyoxylate-aminotransferase Πρωτοπαθής

II GRHPR glyoxylate-reductase/hydroxypyruvatereductase

Πρωτοπαθής

III HOGA1

DHDPSL 4-hydroxy-2-oxoglutarate-aldolase

Cre, Ca, Na, P, Ox,

Oxalobacter

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patients with cystic fibrosis: risk of urolithiasis? Pediatr Nephrol. 1998 May;12(4):275-279.

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Correspondence

Eugenia Laspa

37, Konstantinou Karpou str, 50500, Servia, Kozani, Greece

e-mail: eugenialaspa@ gmail.com

T. +306978307900

The Safety of using melatonin in children: A review of current, international literature

Abstract

With the present review we seek to clarify the use of melatonin during childhood and the risks associated with its administration. Melatonin is a hormone secreted by the pineal gland. It is a primary circadian pacemaker, and it may induce sleep during the day. Its secretion is suppressed by light. It is currently used for the treatment of sleep disorders in both healthy children and in those with neurodevelopmental disorders as well. Its administration is quite frequent among the pediatric population as it seems to have a low toxicity index and a large therapeutic “window”. However, there are no clear clinical guidelines on its safety and in particular on its long-term effects. Throughout a search in medical databases, it was found that melatonin can cause morning drowsiness, dizziness, diarrhea, tachycardia, hypothermia, headache and increased enuresis. Its effect on the reproductive system is still under investigation. Nonetheless, according to studies in laboratory animals, it is shown to induce changes in pubertal development and seasonal reproduction. In addition, taking into account the anti-inflammatory, antioxidant and neuroprotective effects, the need to investigate its impact on every system of the human body is immediate. In conclusion, the existing data are still inadequate concerning the indications of administration of melatonin in children, the dose and the duration of treatment, the age of administration and the long-term side effects. Future studies should focus on the optimal regimen and the possible side effects due to long-term use.

Keywords: melatonin, children, safety issues, DLMO

Eugenia F. Laspa

Evangelos C. Kalogiannis Medical Doctor, Aristotle University of Thessaloniki

Anna V. Papakonstantinou Medical Doctor, Postgraduate Student, Aristotle University of Thessaloniki

Maria Mironidou-Tzouveleki

Anesthesiologist, Professor of Pharmacology, A’ Laboratory of Pharmacology, Medical School, Aristotle University of Thessaloniki, Greece

DLMO:

Oliviero Bruni, Daniel Alonso-Alconada, Frank Besag, Valerie Biran, Wiebe Braam, Samuele Cortese et al. Current role of melatonin in pediatric neurology: Clinical recommendations. Eur J Paediatr Neurol. 2015 Mar;19(2):122-133

Βιβλιογραφία

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2. Lerner AB, Case JD, Takshashi Y. Isolation of melatonin, the pineal gland factor that lightens melanocytes. J Am Chem Soc 1958;80:2587.

3. Cornal S, Ochoa-Sanchez R, Gobbi G. Sleep-wake characterization of double MT1/MT2 receptor knockout mice and comparison with MT1 and MT2 receptor knockout mice. Behav Brain Res 2013;243:231-8.

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Correspondence

Elpis-Athina Vlachopapadopoulou

e-mail: elpis.vl@gmail. com

Τ.: +302132009851

Κ.: +306932247228

Guidelines for evaluation and management of cryptorchidism

Summary

Cryptorchidism or undescended testis is the most common congenital abnormality of the genitourinary tract in newborn boys. Recent studies describe rates up to 3% approximately among full term boys. Men with a history of undescended testis have an increased risk of developing testicular cancer and subfertility compared with men in the general population. This article presents an overview of recent published literature, in order to inform physicians who treat these children about physical exam and evaluation of the boy with cryptorchidism as well as the treatment options. According to the American Urological Association (ΑUA) recent guidelines, providers should not perform ultrasound in the evaluation of boys with cryptorchidism prior to referral. Boys who do not have spontaneous testicular descent by six month should be referred to a surgical specialist for evaluation, while all phenotypic male newborns with bilateral, nonpalpable testes should immediately consult an appropriate specialist. Surgical treatment (orchiopexy) for undescended testes is recommended as the gold standard therapy to place undescended testes in a normal scrotal position or to remove nonviable testicular remnants. Hormonal therapy has been tried before surgery, but has not proven to be efficacious in inducing testicular descent and is no longer recommended. If performed sufficiently early, surgical correction appears to reduce the risk of subfertility and testicular cancer but does not completely eliminate it. Therefore, appropriate follow up for the patient is very significant. In addition, boys who have undergone treatment for undescended testes should be taught how to perform monthly testicular self-examination during adolescence.

Keywords: Cryptorchidism; orchiopexy; hormones; subfertility; malignancy; testis

Eirini Dikaiakou

Elpis-Athina Vlachopapadopoulou

Endocrinology - Growth and Development, Aglaia Kyriakou Children’s Hospital

Alexandros Passalidis 2nd Pediatric Surgery Clinic, Aglaia Kyriakou Children’s Hospital

Testicular Determining Factor (TDF)

Sex Determining Region of the Y chromosome (SRY)

Prader-Willi,

Laurence-Moon, 6)

Beckwith-Wiedemann, Smith-Lemli-Opitz, Cornelia de Lange syndrome,

Συντομογραφίες:

AUA: American Urological Association

MIF: Mullerian inhibiting factor

TDF: Testicular Determinind Factor

SRY : Sex Determininig Region of the Y chromosome

INSL-3 : Insulin like 3

AMH: AntimullerianHormone

SGA : Small for Gestational Age

hCG: Human horionic gonadotropin

LH : Luteinizing hormone

FSH: Follicle stimulating hormone

ACTH: Adrenocorticotropic hormone

LHRH : Luteinizing hormone-releasing hormone

Βιβλιογραφία

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Resolution Chest Tomography, HRCT)

Correspondence

Elpida Hatziagorou

6 Ploutarchou str, 55236 e-mail: elpcon@otenet.gr T. +306972851721

Exercise testing in monitoring lung disease among patients with cystic fibrosis

Abstract

Introduction: Early detection of structural abnormalities of the lungs is a primary objective in monitoring and treating patients with Cystic Fibrosis (CF); High-Resolution-Computed-Tomography (HRCT) is the reference method. Spirometry and cardiopulmonary exercise testing are also used for monitoring CF patients.

Aim: To evaluate the deterioration of exercise testing parameters over a two-year period compared to the change of spirometry and HRCT parameters.

Methods: Seventeen CF patients were evaluated with HRCT, spirometry and exercise testing twice, over a two-year period. The change of each parameter and their correlation, over the twoyear period was evaluated.

Results: 17 CF patients (mean age 16.7 years, mean FEV1 78.9%) were evaluated. FEV1 was not found to change significantly in the two-year period (p=0.723). Mean Bhalla score was increased significantly (p=0.004), while mean VO2max% deteriorated significantly, as well (p=0.032). VE / VO2 during maximal exercise could predict the extent of bronchiectasis, mucus plugging and the total Bhalla score (p<0.05). VE/VCO2 at peak exercise could predict the severity of bronchiectasis and airway wall thickening (p<0.05).

Conclusions: Exercise testing is more sensitive than spirometry in monitoring patients with mild and moderated CF; exercise testing may predict early structural abnormalities in patients with CF.

Keywords: cardiopulmonary exercise testing, cystic fibrosis, HRCT, exercise intolerance, spirometry, children

Kampouras Asterios

Hatziagorou Elpis

Avramidou Vasiliki

Kontouli Kalliopi

Kirvassilis Fotios

Tsanakas Ioannis

Paediatric Pulmonology Unit, 3rd Paediatric Dept, Aristotle University of Thessaloniki, Hippokration Hospital of Thessaloniki

Georgopoulou Vasiliki

Radiology Dept, Hippokration Hospital of Thessaloniki

(13-14).

(Ergoline, Vmax Series V.20-1, Sensor medics)

(cardiograph model Corina, S.N. 101164361, Cardiosoft software V5.15)

Bhalla

Bhalla

Ύψος (cm)

Βάρος (kg)

BMI (kg/m2)

ΔF508 homozygous

ΔF508 heterozygous

Pseudomonas aeruginosa

Bhalla score 17 (5

(52.9%)

(53%)

(0;13)

(R2=0,55, p=0,002),

(R2=0,80, p<0,05)

=0,67, p=0,001),

p=0,003).

=0,46, p=0,005),

Bhalla score

Δοκιμασία

VOpeak(L/min)

VOpeak%

VO2max(mL/kg/min)

VO2max%

AT%

VE (L/min)

BR%

VD/VT (maximum exercise)

VE/VO2 (Peak Ex)

VE/VCO2 (Peak Ex)

Σπιρομέτρηση

FEV1(L)

% predicted

FVC(L)

% predicted

1.41 (0; 3) 0.65 (0; 2) 2.35 (0; 3)

(0; 2)

(0; 1) 1.71 (0; 2)

(0; 0) 0.71 (0;2) 0.53 (0;1)

8.06 (0; 13)

1.76 (0.93; 2.61) 71.06 (38; 101)

38.44 (21.50; 59.90)

83.65 (53; 116)

47.35 (21; 74)

62.18 (44.70; 81.00) 38.19 (11; 100)

0.13 (0.07; 0.19) 32.87 (25; 41) 33.53 (28; 44)

2.43 (1.36; 3.31) 78.88 (42; 94)

2.97 (1.63; 3.96) 87.35 (58; 106)

0.06 (0.24) 0.41(0.71)

0.00 (0.50)

0.06 (0.56) 0.24 (0.44)

0.24 (0.56) 0.12 (0.33)

0.24 (0.66) 0.06 (0.56) 1.41 (1.73)

-0.10 (0.37) -4.53 (14.29) -5.66 (8.93) -11.0 (19.35) -5.81 (14.70) -4.97 (15.47) -5.375 (33.80)

0.00 (0.04 0.60 (3.23) 0.59 (2.74)

0.17 (0.48) 1.06 (12.12) 0.19 (0.54) 0.35 (12.53)

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24. Kozlowska WJ BA, Wade A, et al. Lung function from infancy to the preschool years after clinical diagnosis of cystic fibrosis. Am J Respir Crit Care Med. 2008;178:42-9.

25. Gustafsson PM, De Jong PA, Tiddens HAWM, Lindblad A. Multiple-breath inert gas washout and spirometry versus structural lung disease in cystic fibrosis. Thorax. 2008;63(2):129-34.

26. Demirkazık FB, Arıyürek OM, Özçelik U, Göçmen A, Hassanabad HK, Kiper N. High resolution CT in children with cystic fibrosis: correlation with pulmonary functions and radiographic scores. European journal of radiology. 2001;37(1):54-9.

27. Loeve M, Krestin GP, Rosenfeld M, de Bruijne M, Stick SM, Tiddens HA. Chest computed tomography; a validated surrogate endpoint of cystic fibrosis lung disease? European Respiratory Journal. 2012; 42(3):844-857. Martínez TM, Llapur CJ, Williams TH, Coates C, Gunderman R, Cohen MD, et al. High-Resolution Computed Tomography Imaging of Airway Disease in Infants with Cystic Fibrosis. American Journal of Respiratory and Critical Care Medicine. 2005;172(9):1133-8.

29. Sanders DB, Li Z, Brody AS, Farrell PM. Chest Computed Tomography Scores of Severity Are Associated with Future Lung Disease Progression in Children with Cystic Fibrosis. American Journal of Respiratory and Critical Care Medicine. 2011;184(7):816-21.

30. Rogers D PS, Doull I. Exercise testing in children with cystic fibrosis. J R Soc Med. 2003;96(43):23-9.

31. Pike SE, Prasad SA, Balfour-Lynn IM. Effect of intravenous antibiotics on exercise tolerance (3-min step test)) in cystic fibrosis*. Pediatric Pulmonology. 2001;32(1):38-43.

32. Moorcroft AJ DM, Webb AK. Exercise testing and prognosis in adult cystic fibrosis. Thorax. 1997;52(3):291-3.

33. Nguyen S LS, Cracowski C, Perez T, Valette M, Neviere R, Aguilaniu B, Wallaert B. Prognostic value of clinical exercise testing in adult patients with cystic fibrosis Rev Mal Respir. 2010;27(3):219-25.

34. Pianosi P, LeBlanc J, Almudevar A. Peak oxygen uptake and mortality in children with cystic fibrosis. Thorax. 2005;60(1):50-4.

35. Barker M, Franke E, Böhle M, Pfannenstiel C, Heimann G. Effect of DNase on exercise capacity in cystic fibrosis. Pediatric Pulmonology. 2004;38(1):70-4.

36. Werkman MS, Hulzebos EHJ, Helders PJM, Arets BGM, Takken T. Estimating peak oxygen uptake in adolescents with cystic fibrosis. Archives of Disease in Childhood. 2014;99(1):215.

37. Edwards EA, Narang I, Li A, Hansell DM, Rosenthal M, Bush A. HRCT lung abnormalities are not a surrogate for exercise limitation in bronchiectasis. European Respiratory Journal. 2004;24(4):538-44.

38. Mezzani A, Agostoni P, Cohen-Solal A, Corra U, Jegier A, Kouidi E, et al. Standards for the use of cardiopulmonary exercise testing for the functional evaluation of cardiac patients: a report from the Exercise Physiology Section of the European Association for Cardiovascular Prevention and Rehabilitation. Eur J Cardiovasc Prev Rehabil. 2009 Jun;16(3):249-67.

Correspondence

Spyros P. Batzios

93 Konstantinoupoleos str, 54642, Thessaloniki e-mail: spyros.batzios@ gmail.com T. +302311251088

Differential expression of extracellular matrix molecules in patients with neurofibromatosis type 1

Abstract

The aim of the present study was the assessment of the expression of various molecules of the Extracellular Matrix, in patients with Neurofibromatosis type I (NF1), with the goal to use those molecules as potential biomarkers for patients’ diagnosis and disease follow-up.

Patients & Methods: The sample included 45 patients with NF1, as well as an equal number of healthy subjects. Gelatinase activity (MMP-2 and MMP-9) was measured with the use of gelatin zymography. The concentration of circulating ECM molecules was measured by ELISA, while their expression at the genetic level was assessed with the use of Real-Time RT-PCR. The enzyme activity of hyaluronidases was measured with the use of hyaluronidase zymography.

Results: NF1 patients had a statistically significant increase in the circulating levels of MMP-2, TIMP-1, TIMP-2 and MMP-9/TIMP-1. MMP-2 levels correlated with the age only in the patient group. No significant differences were found concerning the expression of hyaluronic acid (HA) and the enzymes/receptors which are involved in its metabolism. Syndecan-2, decorin and versican were increased in the serum of NF1 patients as well. Logistic regression analysis was performed to estimate the odds ratios of variables in the prediction of the presence of clinical/ laboratory features of the disease. The increase of HA in the serum of patients increased significantly the risk of having UBOs in brain MRI.

Conclusions: The index study revealed the potential use of ECM molecules as biomarkers for NF1. According to our results many of the studied molecules can be potentially used for the diagnosis and follow-up of patients suffering from the above mentioned disorder.

Keywords: neurofibromatosis type 1, extracellular matrix, matrix metalloproteinases, hyaluronic acid, proteoglycans

Spyros P. Batzios

Eleftherios Kontopoulos

Euthymia Vargiami

Dimitrios I. Zafeiriou

1st Paediatric Department, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki, Greece

Eleni Papakonstantinou

George Karakiulakis

Department of Pharmacology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece

ιστικοί

(Hyaluronic acid, HA)

(Tissue inhibitors of Metalloproteinases, TIMPs),

(Hyaluronan Synthases, HASs; Hyaluronidases, HYALs; CD44; RHAMM)

(Neurofibromatosis

Η

MMPs, TIMPs, HA, HASs, HYALs,

Συντομογραφίες:

NF1: νευροϊνωμάτωση

1 (Neurofibromatosis type 1)

MMPs:

μεταλλοπρωτεάσες

συνδετικού

(Matrix metalloproteinases)

TIMPs:

(Tissue inhibitors of matrix metalloproteinases)

HA:

(Hyaluronic acid)

HAS:

HA (Hyaluronic acid synthases)

HYAL:

(Hyaluronidases)

PG:

(Proteoglycan)

MMP-9/TIMP-1

MMP-2/TIMP-2

MMP-1

MMP-2

MMP-3

MMP-9

TIMP-1

TIMP-2

r=-0.055, p=0.737

r=0.301, p=0.043

r=-0.388, p=0.023

r=-0.225, p=0.201

r=-0.163, p=0.356

r=-0.143, p=0.419

r=-0.103, p=0.723

r=0.245, p=0.639

r=-0.809, p=0.040

r=-0.086, p=0.871

r=0.088, p=0.889

r=-0.150, p=0.809

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2. Korf BR. Clinical Features and Pathobiology of Neurofibromatosis 1. J Child Neurol 2002;17:573-577.

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4. Gutmann D, Aylsworth A, Carey JC, Korf B, Marks J, Pyeritz RE, et al. The diagnostic evaluation and multidisciplinary management of neurofibromatosis 1 and neurofibromatosis 2. JAMA 1997;278:51-57.

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6. Holtkamp N, Atallah I, Okuducu AF, Mucha J, Hartmann C, Mautner VF, et al. MMP13 and p53 in the progression of malignant peripheral nerve sheath tumors. Neoplasia. 2007;9(8):671-7.

7. Holtkamp N, Mautner VF, Friedrich RE, Harder A, Hartmann C, Theallier-Janko A, et al. Differentially expressed genes in neurofibromatosis 1-associated neurofibromas and malignant peripheral nerve sheath tumors. Acta Neuropathol. 2004;107(2):159-68.

8. Hummel TR, Jessen WJ, Miller SJ, Kluwe L, Mautner VF, Wallace MR, et al. Gene expression analysis identifies potential biomarkers of neurofibromatosis type 1 including adrenomedullin. Clin Cancer Res 2010;16(20):5048-5057.

9. Lévy P, Bièche I, Leroy K, Parfait B, Wechsler J, Laurendeau I, et al. Molecular profiles of neurofibromatosis type 1-associated plexiform neurofibromas: identification of a gene expression signature of poor prognosis. Clin Cancer Res 2004;10(11):3763-3771.

10. Lévy P, Vidaud D, Leroy K, Laurendeau I, Wechsler J, Bolasco G, et al. Molecular profiling of malignant peripheral nerve sheath tumors associated with neurofibromatosis type 1, based on large-scale real-time RT-PCR. Mol Cancer 2004;3:20.

11. Park SJ, Sawitzki B, Kluwe L, Mautner VF, Holtkamp N, Kurtz A. Serum biomarkers for neurofibromatosis type 1 and early detection of malignant peripheral nerve-sheath tumors. BMC Med 2013;11:109.

12. Sasaki T, Onodera S. Glycosaminoglycans in neurofibromas. J Dermatol. 1990;17(11):65360.

13. Bartolazzi A, Peach R, Aruffo A, Stamenkovic I. Interaction between CD44 and hyaluronate is directly implicated in the regulation of tumor development. J Exp Med 1994;180:53–66.

14. Hall CL, Lange LA, Prober DA, Zhang S, Turley EA. pp60(c-src) is required for cell locomotion regulated by the hyaluronanreceptor RHAMM. Oncogene. 1996;13(10):2213-24.

15. Ikuta K, Urakawa H, Kozawa E, Arai E, Zhuo L, Futamura N. et al. Hyaluronan expression as a significant prognostic factor in patients with malignant peripheral nerve sheath tumors. Clin Exp Metastasis. 2014;31(6):715-25.

16. Hsueh YP, Roberts AM, Volta M, Sheng M, Roberts RG. Bipartite interaction between neurofibromatosis type I protein (neurofibromin) and syndecan transmembrane heparan sulfate proteoglycans. J Neurosci. 2001;21(11):3764-70.

17. Daston MM, Scrable H, Nordlund M, Sturbaum AK, Nissen LM, Ratner N. The protein product of the neurofibromatosis type 1 gene is expressed at highest abundance in neurons, Schwann cells, and oligodendrocytes. Neuron. 1992;8(3):415-28.

18. Hsueh YP, Sheng M. Regulated expression and subcellular localization of syndecan heparan sulfate proteoglycans and the syndecan-binding protein CASK/LIN-2 during rat brain development. J Neurosci. 1999;19(17):7415 25.

19. Neill T, Schaefer L, Iozzo RV. Decorin: a guardian from the matrix. Am J Pathol. 2012 Aug;181(2):380-7.

20. Wight TN, Kinsella MG, Evanko SP, Potter-Perigo S, Merrilees MJ. Versican and the regu-

lation of cell phenotype in disease. Biochim Biophys Acta. 2014;1840(8):2441-51.

21. Sotoodehnejadnematalahi F, Burke B. Structure. Function and regulation of versican: the most abundant type of proteoglycan in the extracellular matrix. Acta Med Iran. 2013;51(11):74050.

22. Merle B, Malaval L, Lawler J, Delmas P, Clezardin P. Decorin inhibits cell attachment to thrombospondin-1 by binding to a KKTR-dependent cell adhesive site present within the Nterminal domain of thrombospondin-1. J Cell Biochem. 1997;67(1):75-83.

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24. Yamaguchi Y, Ruoslahti E. Expression of human proteoglycan in Chinese hamster ovary cells inhibits cell proliferation. Nature. 1988 Nov 17;336(6196):244-6.

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Correspondence

Panagiotis Kardaras

Konstantinoupoleos 49, 54642, Thessaloniki e-mail.: pk@med.auth.gr Τ. +302310892483

How do children play today: Α timeless research

Background: Playing is connected to the cognitive, social and emotional development of children, which is commonly accepted in numerous scientific fields. The current study builds on a two decade long research regarding the changes that have occurred to playing habits, the effect of consumerism and introduction of new technologies. The sport of preference and amount of free time were also investigated.

Methods: The survey was conducted using a random sample of schools, in children between 1015 years old in the Thessaloniki area using a specially adapted questionnaire. Out of 1958 valid answered questionnaires, 1058 were conducted in semi-urban areas and the other 899 in central areas of Thessaloniki. Statistical analysis of the data was performed.

Results: Electronic games played at home, through the Internet and mobile phone are particularly popular, with children choosing them between a few times a week to every day. Most popular team sport is football (20,9%, p<0,05). Traditional games are not the most popular in the everyday life of children, whereas games with advertised heroes reach 65,1%. Even though the majority of children prefer cooperative playing, 12,7% of boys and 9,1% of girls prefer individual playing. Also, free time has been limited from 2-3 hours a day to 1-2 hours a day.

In conclusion, growth of new technologies has significantly affected the way children play, the influence of consumerism has been increased and free time of children has been reduced.

Keywords: playing, electronic games, sports, internet, free time

Dr. Panagiotis Kardaras

Niki Dedousi

Tatiana Vrettakou

Paraskevas Kilintzis

Evaggelia Farini

Maria-Eirini Vrettakou

στη έρευνα ήταν: 19ο, 26ο, 30ο, 72ο, 80ο, 92ο Δημοτικό

Πυλαίας, 5ο Γυμνάσιο Σταυρούπολης, 4ο, 7ο Γυμνάσιο Καλαμαριάς, 1ο, 2ο, 3ο Δημοτικό

1ο

1ο Γυμνάσιο

4η

Συντομογραφίες:

NF1: νευροϊνωμάτωση τύπου 1 (Neurofibromatosis type 1)

MMPs:

μεταλλοπρωτεάσες του συνδετικού ιστού (Matrix metalloproteinases)

TIMPs: ιστικοί

(Tissue inhibitors of matrix metalloproteinases)

HA:

οξύ (Hyaluronic acid)

HAS: συνθετάσες του HA (Hyaluronic acid synthases)

HYAL:

(Hyaluronidases)

PG: πρωτεογλυκάνη (Proteoglycan)

5.

4.1.

4.1.1

4.1.2.

4.1.3

4.2.

4.2.1.

4.2.2.

4.2.3

4.3

4.3.1.

4.3.2.

4.3.3.

4.4.1.

Bayblade, Ben Ten, Barbie, Winx, Monster High, Pokemon, Spiderman, κ.α.

4.5.1. Έρευνα 1994

13%

4.5.2. Έρευνα 2003

27,8%

4.5.3. Έρευνα 2014

65,1%

4.6. Προτιμάς να

4.6.1. Έρευνα 1994

4,4%

4.6.2. Έρευνα 2003

4.6.3. Έρευνα 2014

10,9%

4.7.1. Έρευνα

87%

,2%

95,4%

89,0%

4.7.3.

Bayblade, Ben ten, Barbie, Winx, Monster High,

Bayblade, Ben Ten, Barbie, Winx, Monster High, Pokemon

0,038 0,204 0,116 0,000 0,000 0,000 0,000

1ου, 2ου, 3ου Δημοτικού Σχολείου Περαίας, 1ου Γυμνασίου Περαίας, 1ου Γυμνασίου Νέων Επιβατών, 1ου

1. Wood E. Play, Learning and the early childhood curriculum. UK: Sage; 2013. p.6-10

2.

2001

4. Fromme J. Computer games as a part of children’s cultures. Game Studies 2003; 3(1)

6.

7. Cole M, Cole S.

2003: 52

11. Berger A, Video games: a popular cultural phenomenon. New Jersey: Transaction Publishers; 2002. P. 108-109

12. Τάσση Μ.

2008 από http://www.newinka.gr/ (2006),

13. Kasteleijn-Nolst DG, Martins da Silva A, Ricci S, et al. Video games are exciting: a European study of vídeo game- induced seizures and epilepsy. Epileptic Disord 2002; 4: 121-128

14. Prensky, M. Digital game-based learning. New York: McGraw-Hill; 2001

15. Squillaci T. Η

2006

16. Mizen P, Hutchby I, Pole CJ, Moran-Ellis J, Bolton A. Children, Technology and Culture: The Impacts of Technologies in Children’s, 1st ed. London: Ian Hutchby & Jo Moran-Ellis; 2001

17. Nelson M D., Gordon- Larsen P. Physical activity and sedentary behavior patterns are associated with selected adolescent health risk behavior. Pediatrics, 117: 1281-1290; 2006

(≥200mg/dl)

(≥130mmHg)

Correspondence

Assimina Galli-Tsinopoulou

Ring Road Nea Efkarpia, 56403, Thessaloniki, Greece

e-mail: gallitsin@gmail. com

agalli@auth.gr

T.-F.: +302310991537

Eleni P. Kotanidou

Aggeliki Kleisarchaki

Konstantina Mouzaki

Paraskevi Kokka

Ioannis Kyrgios

Iro Tsara¹

Efthimia Eustratiou

Maria Eboriadou-Petikopoulou

Assimina Galli-Tsinopoulou

4th Department of Pediatrics, Faculty of Medicine, Aristotle University of Thessaloniki, Papageorgiou General Hospital, Thessaloniki

Anna-Bettina Haiditc

Department of Hygiene, Faculty of Medicine, Aristotle University of Thessaloniki, Thessaloniki

Vagia Papageorgiou

Former Assistant Professor of Child Psychiatry

Screening tests and record of metabolic syndrome in adolescents school population of Western Thessaloniki

P. Kotanidou, Aggeliki Kleisarchaki, Konstantina Mouzaki, Paraskevi Kokka, Ioannis Kyrgios, Iro Tsara, Efthimia Eustratiou, Anna-Bettina Haiditc, Vagia Papageorgiou, Maria Eboriadou-Petikopoulou, Assimina Galli-Tsinopoulou

Abstract

Background: Adolescent obesity constitutes a phenomenon with epidemic characteristics. Increased rates of metabolic syndrome represent a consequence of this epidemic, leading to high risk for chronic diseases in adolescence. The study herein, presents the primary outcomes of a school-based intervention trial regarding the control of the metabolic syndrome among adolescents of Western Thessaloniki.

Methods: The aim of the study was to identify the metabolic syndrome in the school adolescent population and to record it according to the current established criteria of the International Diabetes Federation (IDF). A total of 424 adolescents, aged 14.10 ± 1.78 years were recruited. Anthropometric values were recorded. All participants underwent a school-based laboratory investigation including glucose cholesterol and triglyceride levels and body composition determination, via telematics health care devices.

Results: In the total sample (59% girls), body mass index was 21.82±3.25kg/m2 while waist circumference was 78.78±9.29 cm. Systolic (SBP) and diastolic (DBP) blood pressure were 121.21±11.89mmHg and 73.88±10.54mmHg, respectively. Mean cholesterol levels were 172.42±27.48mg/dl, triglycerides levels 88.07±40.15mg/dl and glucose levels 100.89±15.11mg/ dl. After examining the components of the metabolic syndrome in adolescents, 24.4% of the sample presented abdominal obesity (waist circumference: girls>80cm, boys>94cm). Hyperglycemia (≥100mg/dl) was found in 52.2% of the sample, hypercholesterolemia (≥200mg/dl) in 15% and elevated triglycerides (≥150mg/dl) in 6.3% of adolescents. Increased SBP (≥130mmHg) presented the 22% of participants, while increased DBP (≥85mmHg) was apparent in 11.7% of them. Finally, almost one out of six adolescents (15.9%) presented metabolic syndrome. Conclusions: A significant percentage of the adolescent school population of Western Thessaloniki fulfills the criteria of the metabolic syndrome. In order to avoid the development of chronic diseases, implementation of prevention and intervention strategies are considered in adolescence as priority actions.

Keywords: metabolic syndrome, adolescents, obesity

Suisse)

W100b (Foracare Suisse).

FORA d40b (Foracare Suisse).

Med-Care (Biochemical Systems International Srl).

p-value

(15.9%)

14.61±1.91

14.00±1.76

(mmΗg) ΧΟΛΗΣΤΕΡΟΛΗ (mg/dl)

(mg/dl)

ΓΛΥΚΟΖΗ (mg/dl)

(20),

“Muscatine”

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Correspondence

Papadopoulos Giorgos

St. Catherine, 3100, Limassol, Cyprus

e-mail: cytogenivf@ yahoo.co.uk

Τ.: +35799619890

Correlation of blood pressure and Body Mass Index (BMI) in Senior High School students

Introduction: Several studies in adolescents have shown association of body mass index (BMI) with blood pressure, where individuals with a BMI >= 25, and classified as overweight or obese, have comparatively higher blood pressure than people with normal BMI levels (BMI < 25). We did not find in the literature any such study on Cyprus concerning adolescents of the upper secondary cycle (15-18 years), so we decided to research this in our school.

Methods: We studied boys and girls of all ages and measured BMI and blood pressure. Statistical analysis was performed for correlation of blood pressure with BMI, age, smoking and sex.

Results: We found direct correlation between the overall BMI and the systolic and diastolic pressure. The correlation was more significant with systolic pressure. When we compared separately normal weight, overweight and obese individuals, we found a positive correlation in the first case, very slightly negative correlation in the second and slightly negative correlation in the third case. There was no statistical difference in systolic and diastolic pressure levels related to smoking or age. There was a significant difference in the systolic pressure between boys and girls, but not in the diastolic pressure.

Conclusions: For the first time, data is presented for adolescents of ages 15 to 18 years in Cyprus that shows a direct correlation of increasing BMI with increasing systolic and diastolic pressure, findings that are consistent with those of other international studies.

Papadopoulos Giorgos

Ph.D.

Tamattiri Kyriaki

Economou Alexandra

Akrita Christina

Engomiti Evdokia

Makri Antrea

Theophanous Zoe

Xatziantona Nicol

Charalambous Giorgos

Lyceum of St. Nicholas, St. Catherine, Limassol, Cyprus

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nessis found in adolescents with obesity or obesity-related type 2 diabetes mellitus. J Hypertens. 2010;28:1692–1698.

20. Urbina E.M., Khoury P.R., McCoy C., Daniels S.R., Kimball T.R., Dolan L.M. Cardiac and vascular consequences of pre-hypertension in youth. J ClinHypertens(Greenwi ch).2011;13:332–342.

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Correspondence

Gogou Maria

Dimitriou Nika 44, 60100, Katerini, Greece e-mail: mariaangogou@ gmail.com T.: +302351036093

Lung function in children with neuromuscular disorders. Experience from Thessaloniki Neuromuscular Disorders Unit

Abstract

Objectives: The aim of this study is to evaluate lung function in children and adolescents with neuromuscular disorders.

Methods: The population of the study included children and adolescents attending the Respiratory Department of Neuromuscular Disorders Unit of Thessaloniki during the years 2011-2014. Epidemiologic data were collected, as well as data about their respiratory status, such as subcutaneous hemoglobin saturation with oxygen, end-tidal CO2, spirometric parameters and peak cough flow. All results were statistically analyzed.

Maria Gogou

Maria Hatzistylianou

Evangelos Pavlou

Andreas Giannopoulos

Efterpi Pavlidou

2nd Pediatric Department, Aristotelian

University of Thessaloniki, University General Hospital AHEPA, Thessaloniki, Greece

Maria Gogou

Maria Hatzistylianou

Maria Eboriadou

Evangelos Pavlou

Andreas Giannopoulos

Efterpi Pavlidou

Katerina Haidopoulou

Neuromuscular Disorders Unit, University General Hospital AHEPA, Thessaloniki, Greece

Results: Data from 67 patients were collected. The most frequent diagnosis was muscular dystrophy Duchenne (33%). Totally 44 of 67 patients performed spirometry and 26 of them were proved to have reduced lung function (mainly of restrictive type). Peak cough flow was significantly lower in children with abnormal spirometry. Subcutaneous hemoglobin saturation with oxygen remained normal, even in patients with abnormal spirometry, but CO2 seemed to be earlier affected. Moreover, peak cough flow was found to be positively associated with values of spirometry and this correlation was stronger for forced vital capacity and weaker for peak expiratory flow. Besides, loss of free-walking ability was proved to be a significant risk factor for disturbed respiratory function. As regards compliance with medical instructions, 70% of patients attended systematically a respiratory physiotherapy program, whereas ~2/3 of children were not vaccinated against influenza virus.

Conclusions: Respiratory problems have a high prevalence among children with neuromuscular disorders. Peak cough flow seems to be an earlier indicator of reduced pulmonary function and its values are closely correlated with values of forced vital capacity. The long-term follow-up of these children should include frequent evaluation of their respiratory function, especially after loss of their free-walking ability.

Keywords: children, neuromuscular disorders, lung function, spirometry, peak cough flow

(Forced Vital Capacity-FVC),

(Forced Expiratory Volume 1-FEV1)

(Peak Cough Flow-PCF).

(Peak Expiratory Flow-PEF).

Αντίθετα, όταν το z-score της FEV1<-1,96 με φυσιολογικό z-score για την FVCκαι

(3).

Συντομογραφίες:

FVC: forced vital capacity,

FEV1: forced expiratory volume in the 1st second,

PEF: peak expiratory flow,

PCF:

SpO2 (97,77±0,61% VS 97,7±0,82%, p>0,05).

(34,04±1,56mm Hg VS 32,8±2,56mm Hg, p=0,058). (Πίνακας 1)

1. Allen J. Pulmonary complications of neuromuscular disease: A Respiratory mechanics perspective. Pediatr Res Rev 2010; 11: 18-23

2. Roberto R, Fritz A, Hagar Y, Boice B, Skalsky A, Hwang H, et al. The natural history of cardiac and pulmonary function decline in patients with duchenne muscular dystrophy. Spine 2011; 36:1009-17

3.

Θεσσαλονίκη: University Studio Press 2006: 35-44

4. Backman H, Lindberg A, Sovijärvi A, Larsson K, Lundbäck B, Rönmark E. Evaluation of the global lung function initiative 2012 reference values for spirometry in a Swedish population sample. BMC Pulm Med 2015; 25, 15:26

5. Sharma GD. Pulmonary function testing in neuromuscular disorders. Pediatrics 2009; 123: 219-21

6. Panitch HB. The pathophysiology of respiratory impairment in pediatric neuromuscular diseases. Pediatrics 2009; 123: 215-8

7. Suárez AA, Pessolano FA, Monteiro SG, Ferreyra G, Capria ME, Mesa L, et al. Peak flow and peak cough flow in the evaluation of expiratory muscle weakness and bulbar impairment in patients with neuromuscular disease. Am J Phys Med Rehabil 2002; 81: 506-11

8. Gauld LM, Boynton A. Relationship between peak cough flow and spirometry in Duchenne Muscular Dystrophy. Pediatr Pulmonol 2005; 39:457-60

9. Bersanini C, Khirani S, Ramirez A, Lofaso F, Aubertin G, Beydon N, et al. Nocturnal hypoxemia and hypercapnia in children with neuromuscular disorders. Eur Respir J 2012; 39: 1206-1212

10. Toussaint M, Steens M, Soudon P. Lung function accurately predicts hypercapnia in patients with Duchenne muscular dystrophy. Chest 2007; 13: 368-75

11. Bothwell JE, Gordon KE, Dooley JM, Mac Sween J, Cummings EA, Salisbury S. Vertebral fractures in boys with Duchenne muscular dystrophy. Clin Pediatr 2003; 42: 353–6

12. Smith AD, Koreska J, Moseley CF. Progression of scoliosis in Duchenne muscular dystrophy. J Bone Joint Surg Am 1989; 71: 1066–7

13. Arens R, Muzumdar H. Sleep, sleep disordered breathing, and nocturnal hypoventilation in children with neuromuscular diseases. Pediatr Respir Rev 2010; 11: 24-30

14. Danov Z, Schroth MK. Respiratory Management of Pediatric Patients with Neuromuscular Disease. Pediatric Annals 2010; 39: 769-75

15. Finder JD, Birnkrant D, Carl J, Farber HJ, Gozal D, Iannaccone ST, et al. Respiratory care of the patient with Duchenne muscular dystrophy: ATS consensus statement. Am J Respir Crit

Care Med. 2004; 170: 456-65

16. Parkeri ΑΕ, Robb SA, Chambers J, Davidson AC, Evans K, Dowd JO, et al. Analysis of an adult Duchenne muscular dystrophy population. Q J Med 2005; 98:729–736

17. Bushby K, Finkel R, Birnkrant DJ, Case LE, Clemens PR, Cripe L, et al. Diagnosis and management of Duchenne muscular dystrophy, part 2: implementation of multidisciplinary care. Lancet Neurol 2010; 9:77-93

18. Simonds AK. Recent advances in respiratory care for neuromuscular disease. Chest 2006; 130: 1879-86

19. Fauroux B, Quijano-Roy S, Desguerre I, Khirani S. The value of respiratory muscle testing in children with neuromuscular disease. Chest 2015; 147:552-9

20. 46. Wang CH, Finkel RS, Bertini ES, Schroth M, Simonds A, Wong B, et al. Consensus statement for standard of care in spinal muscular atrophy. J Child Neurol 2007; 22:1027-49

21. Warren R, Stefans V, Horan S. Breathe easy: Respiratory care in neuromuscular diseases, 2nd ed. Tucson: MDA Publications Department, 2009:17-22

22. Strehle EM. Long-term management of children with neuromuscular disorders. J Pediatr (Rio J) 2009; 85: 379-84

NET.ADB

EU.NET.ADB (www.eunetadb.eu). Μέθοδοι:

ποσοστό παχύσαρκων/υπέρβαρων εφήβων (19.8%), ενώ

(6.8%).

αγόρια (ΣΚ=2.89, 95%ΟΑ: 2.46-3.38), η υπερβολική χρήση κοινωνικών δικτύων (ΣΚ=1.26, 95%ΟΑ: 1.01-1.31), η διαμονή στην Ελλάδα (ΣΚ=2.32,,95%ΟΑ: 1.79-2.99) σχετίστηκαν θετικά με παχυσαρκία. Ο αριθμός των αδελφών (ΣΚ=0.79, 95%ΟΑ: 0.64-0.97), οι καλές

σχολικές επιδόσεις (ΣΚ=0.74, 95%ΟΑ: 0.63-0.88), το εκπαιδευτικό επίπεδο των γονέων (ΣΚ=0.89, 95%ΟΑ: 0.82-0.97) και η διαμονή στην Ολλανδία (ΣΚ=0.49, 95%ΟΑ: 0.31-0.77)

σχετίστηκαν

Correspondence

Artemis Tsitsika

24 Mesogeion Av, 11527, Athens, Greece

e-mail: info@youthhealth.gr

T./F.: +302107710824

Association between problematic internet use, socio-demographic variables and overweight/obesity among European adolescents. Results from the

EU.NET.ADB study

Artemis Tsitsika, Elisavet Andrie, Theodora Psaltopoulou, Chara Tzavara, Theodoros Sergentanis, Flora Bacopoulou, Magda Patseadou, Clive Richardson, George Chroussos, Marisa Tsolia

Abstract

Artemis Tsitsika

Elisavet Andrie

Chara Tzavara

Magda Patseadou

Marisa Tsolia

Adolescent Health Unit, 2nd Department of Paediatrics, University of Athens, “P.&A. Kyriakou” Children’s Hospital, Athens

Theodora Psaltopoulou

Theodoros Sergentanis

Department of Hygiene and Epidemiology, Medical School, University of Athens

Flora Bacopoulou

George Chroussos

1st Department of Paediatrics, University of Athens, “Aghia Sophia” Children’s Hospital, Athens

Clive Richardson

Panteion University of Social and Political Sciences

Background: Obesity in childhood and adolescence remains a global public health issue. Loss of control of daily internet use can lead adolescents to neglect their health care and can increase their body weight. This study aims to examine the relationship between problematic internet use and overweight/obesity among adolescents from seven European countries (Iceland, The Netherlands, Germany, Poland, Romania, Spain and Greece) participating in the EU.NET. ADB survey (www.eunetadb.eu).

Methods: A sample of 11.298 adolescents aged 14-17 years (representative samples from each country) took part in the study. Collection of data was performed from October 2011 until May 2012. The questionnaire included socio-demographic data, information about internet use, family, school achievement and parental control. Body weight and height were self-reported. Internet addiction tool (IAT) (Young 1998) was used for assessing excessive internet use. Logistic regression analysis was used for data processing.

Results: A percentage of 12.4% of the whole sample were overweight/obese and 14.1% were detected with problematic internet use. Greece had the highest adolescent overweight/obesity prevalence (19.8%), while the Netherlands the lowest one (6.8%). Males (OR=2.89, 95% CI: 2.46-3.38), excessive use of social networking (OR=1.26, 95% CI: 1.01-1.31) and Greek ethnicity (OR=2.32, 95% CI: 1.79-2.99) were significantly associated with overweight/obesity. Having a sibling (OR=0.79, 95% CI: 0.64-0.97), high school performance (OR=0.74, 95% CI: 0.63-0.88), high parental educational level (OR=0.89, 95% CI: 0.82-0.97) and Dutch ethnicity (OR=0.49, 95% CI: 0.31-0.77) were inversely related to obesity.

Conclusions: The association between overweight/obesity and problematic internet use, as well as specific socio-demographic variables, can set the basis for the development of public health policies.

Keywords: adolescents, overweight, demographic, socioeconomic factors, problematic internet use

22.0 (IBM Corp., Armonk, NY, USA).

ήταν άρρενες (n=5.140) και οι 8.972 (87,8%) είχαν

αδερφιών=1,9,

9.012 (87,6%) είχαν

απόκλιση (Standard Deviation, SD=1.3, διάμεσος τιμή, Median=1). Οι 1.275 συμμετέχοντες (12,4%) ήταν υπέρβαροι/παχύσαρκοι, ενώ

(SD=3.1).

(p<0.001, Pearson chi-square test).

(OR=3.20, 95% CI: 2.79-3.67),

ΚΔ (OR=1.15, 95% CI: 1.01-1.31), την ΕΔΒ χρήση

διαδικτύου (OR=1.14, 95% CI: 1.01-1.29) και τη ΣΕΔ (OR=1.70, 95% CI: 1.08-2.67). Αντιθέτως, το υπέρβαρο/παχύσαρκο σχετίστηκε

ηλικία (OR=0.84, 95% CI: 0.73-0.95), την ύπαρξη αδερφών στην οικογένεια (OR=0.80, 95% CI: 0.67-0.95), την καλή σχολική επίδοση (OR=0.79, 95% CI: 0.69-0.90), και το υψηλό μορφωτικό επίπεδο των γονέων (OR=0.87, 95% CI: 0.82-0.93). Σχετικά με τη διαφορά που

καταγράφηκε μεταξύ των επτά ευρωπαϊκών χωρών, η Ελλάδα (OR=2.08, 95% CI: 1.64-2.64)

(OR=1.44, 95% CI: 1.11-1.85)

(OR=0.61, 95% CI: 0.41-0.91).

Ο πίνακας 4 δείχνει τα αποτελέσματα της

φύλο (OR=2.89, 95% CI: 2.46-3.38), η ΕΔΒ χρήση ΚΔ (OR=1.26, 95% CI: 1.091.46) και η ελληνική (OR=2.32, 95% CI: 1.79-2.99) ή

(OR=1.48, 95% CI: 1.121.96)

(OR=0.74, 95% CI: 0.63-0.88),

(OR=0.79, 95% CI: 0.64-0.97),

(OR=0.89, 95%CI: 0.820.97)

95%CI: 0.31-0.77)

1629 (15.8)

1492 (14.5) 1646 (16.0) 1437 (14.0)

1845 (17.9) 844 (8.2) 1394 (13.6) 5147 (50.0) 5140 (50.0) 5544 (53.9) 4743 (46.1) 9012 (87.6) 1092 (10.6) 183 (1.8) 1576 (16.4) 3525 (36.7)

3041 (31.7) 1261 (13.1) 192 (2.0) 1245 (12.2) 8972 (87.8)

65 (0.7) 622 (7.0)

2609 (29.4) 2276 (25.6)

3303 (37.2)

Ελλάδα

Φυσιολογικό

Υπέρβαρο/Παχύσαρκο

Γερμανία

Φυσιολογικό

Υπέρβαρο/Παχύσαρκο

Ισλανδία

Φυσιολογικό

(2.79-3.67)

(0.73-0.95)

(0.67-0.95)

(2.46-3.38)

(0.64-0.97)

(0.82-0.97)

(0.63-0.88) 1.26 (1.09-1.46) 2.32 (1.79-2.99) 1.48 (1.12-1.96) 1.16 (0.85-1.60) 0.96 (0.72-1.29)

(0.59-1.09)

(0.31-0.77)

Βιβλιογραφία

1. Moreno MA, Jelenchick L, Cox E, Young H, Christakis DA. Problematic internet use among US youth: a systematic review. Arch Pediatr Adolesc Med 2011;165:797-805.

2. Christakis DA, Moreno MA. Trapped in the net: will internet addiction become a 21stcentury epidemic? Arch Pediatr Adolesc Med 2009;163:959–960.

3. Dell’Osso B, Altamura AC, Allen A, Marazziti D, Hollander E. Epidemiologic and clinical updates on impulse control disorders-A critical review. Eur Arch Psychiatry and Clin Neurosci 2006;256:464–475.

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