Asist. Univ. Dr. Oana-Andreea Belei

Dr. Oana-Andreea Belei este medic gastroenterolog cu specializare in Ecografie pediatrica si Dietetica pediatrica. Este membru al Societatii Europene de Endoscopie Gastrointestinala, Societatii Romane de Endoscopie Digestiva, Societatii Romane de Gastroenterologie Pediatrica, Hepatologie si Nutritie, al Grupului de lucru Boala celiaca din cadrul Societatii Romane de Gastroenterologie Pediatrica, Hepatologie si Nutritie si al Boardului Editorial al Jurnalului International de Boala Celiaca.

Pentru programari sunati la 0749 110 678

Seminarii:

• Eastern European Workshop for Paediatric Hepatology, 13 – 14 04 2007, Visegrad, Hungary
• ESPGHAN  Eastern European Summer School, 5-7 iunie 2008 Cluj –Napoca
• Eastern European Workshop for Pediatric Hepatology, 27 - 28 03 2009, Visegrad, Hungary
• ESPGHAN Young Investigator Forum, 23 – 26 04, 2009, Spitzingsee, Germany
• ESHG Course Introduction to the genetic epidemiology of Complex Diseases, CHU du Kremlin Bicetre, Faculte de Medicine Paris Sud, November, 22-26, 2010
•  ESPGHAN  Summer School “ Challenges in Pediatric Gastroenterology”, Madrid , 10-15 September 2012
• “Trainee Course Dyspepsia and Bloating”, 7-9 02 2013, Vall d’Hebron Hospital, Barcelona, Spain
•   UEG Summer School June 5-8, 2014, Prague.
•  “ESGE Fellowship Grant  on therapeutic digestive endoscopy , endoscopic ultrasonography and interventional  ultrasonography”,  Module I: 06 June 2015 – 04 July 2015 ,  Osppedale Maggiore, Crema, Italy. The fellowship was awarded by The European Society of Gastrointestinal Endoscopy.
• Clinical Observational Programme, Academic Medical Center, University of Amsterdam, 25 Sept 2015 Amsterdam, The Netherlands
• UEG Summer School, June 2-5  2016, Prague.
• “ESGE Endoscopy Fellowship Grant, Second Module: 3rd April – 30 June 2017, Gastroenterology and Endoscopy Unit, Petz Aladár Megyei Oktató Kórház, Gyor, Hungary.The fellowship was awarded by The European Society of Gastrointestinal Endoscopy.

Activitate stiintifica:

Studii clinice:

1. BMS Al 463189 - A Comparative Study of the antiviral Efficacy and Safety of Entecavir versus Placebo in Pediatric Subjects with Chronic Hepatitis B Virus Infection who are HBeAg Positive.
2. Clinical trial Novartis CLDT600A2306 “A randomized, double-blind, 104-weeks treatment study to evaluate the efficacy, safety, tolerability and pharmacokinetics of Telbivudine oral solution and tablets in children and adolescents with compensated HBeAg positive and negative chronic hepatitis B virus infection.” 
3. eAbbVie: A long-term non-interventional registry to assess safety and effectiveness of Humira® (Adalimumab) in pediatric patients with moderately to severely active Crohn's Disease (CD) – CAPE

Publicatii in calitate de prim autor:

1. Oana Belei, A. Craciun, I. Sabau, I. Simedrea, Discutii pe marginea unui caz de sindrom Lyell, Revista Romana de Pediatrie, vol LV, Nr 3 , An 2006, p. 324 – 329
2. Oana Belei, Ioan Simedrea, Monica Marazan, Camelia Daescu, Otilia Marginean, Tamara Marcovici, Liviu Pop, Compararea acuratetii a doua kituri de teste pentru detectarea anticorpilor anti-transglutaminazici de tip IgA la copiii cu boala celiaca, Revista Medico-Chirurgicala a Societatii de Medici si Naturalisti din Iasi, vol 112/2008, Nr 4, Supl 1, ISSN 0048-7848, p.29-35
3. O Belei, I Simedrea, I Sabau, M Marazan, R Ilie, T Marcovici, C Daescu, Comorbidities and Risk Factors in Romanian Celiac Disease Pediatric Patients, WCPGHAN 3rd World Congress of Pediatric Gastroenterology, Hepatology and Nutrition, Free Papers, Iguassu Falls, Brazil, August 16 -20, 2008, Medimond International Proceedings, p. 47-52, ISBN 978-88-7587-486-5
4. Oana Belei, Ioan Simedrea, Monica Marazan, Tamara Marcovici, Camelia Daescu, Rodica Ilie, Florina Antonie, Georgiana Brad, Correlation of Villous Alterations in Celiac Disease Pediatric Patients with Risk Factors Analyze, Jurnalul Pediatrului, Year XII, Vol XII, Nr 47 – 48, July – December 2009, ISSN 2065-4855, p.40-44
5. Oana Belei, Ioan Simedrea, Monica Marazan, Rodica Ilie, Camelia Daescu, Tamara Marcovici, Accuracy of Serological Tests in Celiac Disease Children, Timisoara Medical Journal, Vol 59, No 3-4; Jul-Dec 2009:290-293
6. Oana Belei, Ioan Simedrea, Florina Antonie, Tamara Marcovici, Camelia Daescu, Georgiana Brad, Rodica Ilie, Clinical, Morphological And Immunological Correlations In Celiac Disease Children Diagnosed By Screening, Timisoara Medical Journal,Vol 60;Nr 4;2010: 318-324
7. Oana Belei, Ioan Simedrea, Rodica Ilie, Camelia Daescu, Tamara Marcovici, Andreea Militaru, Georgiana Brad, Correlations of Fecal Calprotectin with Clinical and Endoscopic Scores in Inflammatory Bowel Diseases in Children, Jurnalul Pediatrului, Year XIV, Vol.XIV; Nr 55-56; Jul-Dec 2011:18-25
8. Oana Belei, Ioan Simedrea, Otilia Marginean, Tamara Marcovici, Camelia Daescu, Giorgiana Brad, Maria Pop, Studiul calitatii vietii la copiii cu boala celiaca si evaluarea compliantei la dieta glutenopriva pe un lot de copii diagnosticati in vestul tarii, Pediatru.Ro, Anul VII, Nr 23, 3/2011:52-56
9. Belei O, Daescu C,  Marcovici T,  Militaru A, The Value of Fecal Calprotectin Assessment in Children with Chronic Gastrointestinal Symptoms, Jurnalul Pediatrului, ISSN 2065-4855,Vol.XV; Nr 57-58;Jan-Jun 2012:15-19
10. Oana Belei, Otilia Marginean, Giorgiana Brad, Camelia Daescu, When Should Endocrinologists Think of Celiac Disease in Children? Jurnalul Pediatrului, ISSN 2065-4855,Vol.XVI; 63;Jul-Sep 2013:14-22
11. Belei Oana, Marginean Otilia, The Usefulness of IgA/IgG DGP/tTG Screen Assay for Celiac Disease Detection among  Symptomatic and at Risk Young Children, International Journal of Celiac Disease. DOI: 10.12691/ijcd-1-1-9, 2013, 1(1): 23-26
12. Belei O, Brad GF, Marginean O, An Adolescent Suspected by IPEX Syndrome: Immune Dysregulation, Polyendocrinopathy, Enteropathy X-Linked, Acta Endo (Buc) 2015;11: 103-108 doi: 10.4183/aeb.2015.103
13. Oana Belei, Ioan Sporea, Oana Gradinaru-Tascau, Laura Olariu, Alina Popescu, Ioan Simedrea, Otilia Marginean, Comparison of three ultrasound based elastographic techniques in children and adolescents with chronic diffuse liver diseases, Med Ultrason 2016, Vol. 18, no. 2, 145-150 DOI: 10.11152/mu.2013.2066.182.bet
14. Oana Belei, Laura Olariu, Giorgiana Brad, Juganaru I, Niculina Mang, Ramona Stroescu, Cristun LI, Otilia Marginean, A Rare Case Of Grow Retardation Associated To Disgenetic Syndrome, Jurnalul Pediatrului ,Vol. XIX, Nr. 73-74, Jan-Jun 2016:35-41
15. Belei Oana, Simedrea Ioan, Marcovici Tamara, Olariu Laura, Marginean Otilia, The Changing Pattern Of Celiac Disease Forms Of Presentation In A Pediatric Population From The Western Part Of Romania, Proceedings of XXXVI^th National Congress of Gastroenterology, Hepatology and Digestive Endoscopy, Cluj-Napoca, June, 8-11, 2016, Filodiritto Editore – Proceedings, p 35-41
16. Belei Oana, Heredea Rodica, Ilie Rodica, Olariu Laura, Marcovici Tamara, Emil Radu Iacob, Marginean Otilia, The Role Of Pathologist To Guide The Diagnosis In A Case Of Recurrent Bloody Diarrhea In A Young Child, Jurnalul Pediatrului – Year XIX, Vol. XIX, Nr. 75-76, Jul-Dec 2016:49-54
17. Oana Belei, Nonceliac Gluten Sensitivity. Where is the Missing Piece of the Puzzle? Short Review. EC Gastroenterology and Digestive System, 2017; 2 (1): 271-273
18. Oana Belei, Particularities of Portal Hypertension in Pediatric Patients. EC Gastroenterology and Digestive System. 2017;  2 (4): 395-397.

Carti publicate:

Autor principal in monografia: Actualities in celiac disease in children. Theoretical and practical aspects, Eurobit Editure, CNCSIS code 187, Timisoara, 2011, ISBN 978-973-620-836-2

Prim autor in capitole de carti:

 Oana Belei , Maria Florea,  Imagistica glandelor suprarenale, cap IX in Glanda suprarenala si bolile ei la copil”, coord. Otilia Marginean si Margit Serban, Editura ArtPress, 2012, ISBN 978-973-108-504-3

Co-autor in capitole de carti:

Tamara Marcovici, Oana Belei , Histologia glandei suprarenale, cap III in “Glanda suprarenala si bolile ei la copil”, coord. Otilia Marginean si Margit Serban, Editura ArtPress, 2012, ISBN 978-973-108-504-3

Camelia Daescu, Ovidiu Adam, Smaranda Arghirescu, Oana Belei, Rodica Heredea, Tumori adrenale, cap XVIII in” Glanda suprarenala si bolile ei la copil”, coord. Otilia Marginean si Margit Serban, Editura ArtPress, 2012, ISBN 978-973-108-504-3

Lucrari prezentate la manifestari nationale si publicate in rezumat:

1.  O. Belei, I. Simedrea, I. Sabau, Evaluarea gradului afectarii  histologice in boala celiaca la copil prin analiza factorilor de risc, volum de rezumate, Congresul International de Pediatrie Sibiu, 27-30 septembrie 2007, pag 406 – 407

2. Belei Oana, Simedrea Ioan, Masuri generale si specifice in managementul bolii celiace, volum de rezumate, Conferinta Nationala de Boli Rare cu Participare Internationala, Zalau, 2-3 noiembrie 2007, p. 94-96

3. Belei Oana, Micle Ioana, Simedrea Ioan, Marginean Otilia, Particular association  of polyendocrine autoimmune disease and celiac disease in children. Case report, ESPGHAN European Summer School, Cluj-Napoca, 5-7 iunie 2008

4. Oana Belei, Ioan Simedrea, Camelia Daescu, Rodica Ilie, Tamara Marcovici, Adrian Craciun, Formula originala de scor pentru evaluarea riscului de aparitie a celiachiei, vol de rezumate pe suport electronic – CD, Congresul National de Gastroenterologie, Hepatologie si Nutritie Pediatrica, 16 – 18 09 2008, Cluj-Napoca

5. Oana Belei, Ioan Simedrea , Otilia Marginean,  Ioana Micle, Camelia Daescu, Discutii pe marginea unui caz de poliendocrinopatie ce asociaza boala celiaca, vol de rezumate pe suport electronic – CD, Congresul National de Gastroenterologie, Hepatologie si Nutritie Pediatrica, 16 – 18 09 2008, Cluj-Napoca

6.  Belei Oana, Simedrea Ioan, Daescu Camelia, Ilie Rodica, Marcovici Tamara, Evaluarea testelor de screening serologic in boala celiaca la copil, vol de rezumate pe suport electronic – CD, Congresul National de Gastroenterologie, Hepatologie si Nutritie Pediatrica, 16 – 18 09 2008, Cluj-Napoca

7. Oana Belei, I. Simedrea, Marazan Monica, Camelia Daescu, Otilia Marginean, Tamara Marcovici, L. Pop, Compararea acuratetii  a 2 kituri de teste  pentru detectarea anticorpilor antitransglutaminazici de tip IgA la copiii cu boala celiaca, vol de rezumate, Conferinta Nationala “ Zilele Pediatriei Iesene” – Actualitati in Gastroenterologia Pediatrica,  30 10 2008 – 01 11 2008, Iasi

8. Belei Oana , Simedrea Ioan, Daescu Camelia, Marcovici Tamara, Craciun Adrian, Antonie Florina, Brad Georgiana, Evaluarea eficientei terapiei infectiilor nosocomiale la copiii cu sindrom celiac, volum de rezumate, Conferinta Nationala  de Boli Infectioase cu participare internationala, 17-20 06 2009, Timisoara

9. Belei Oana, Simedrea Ioan, Marcovici Tamara, Daecsu Camelia, Marazan Monica,Craciun Adrian, Aspecte clinico-morfologice si imunologice in intoleranta la gluten Timisoara Medical Journal, Vol 59, Supplement 1, 11th Edition of Academic Days Timisoara 2009, p. 24, ISSN 1583-5251

10. Belei Oana , Simedrea Ioan,  Daescu Camelia,  Maris Ioana , Marcovici Tamara,  Antonie Florina , Brad Georgiana, Aspecte particulare in boala celiaca la copil, Volum de rezumate, al IX-lea Congres National de Pediatrie cu participare internationala, 21-24 10  2009, Iasi, p.175

11. Belei Oana, Simedrea Ioan, Marcovici Tamara, Daescu Camelia, Brad Georgiana , Ilie Rodica, Sunt infectiile recurente cu Adenovirus, Rotavirus sau Herpesvirus din perioada de sugar factori de risc pentru aparitia bolii celiace la copiii cu predispozitie genetica?, Conferinta Nationala de Boli Infectioase, Timisoara, 12-14 Mai 2011, Volum de rezumate in format electronic – CD

12. Belei Oana, Simedrea Ioan, Tamas Liviu, Daescu Camelia, Marcovici Tamara, Brad Georgiana, Puiu Maria, Pop Maria, Se coreleaza polimorfismul HLA cu formele clinice de boala celiaca la copil?Lucrare prezentata in cadrul Conferintei- Genetica In Bolile Gastrointestinale Si Hepatice, Cluj Napoca, 7-9 aprilie 2011

13. Belei O ,  Pop M, Olariu L, Tamas L ,  Daescu C, Marcovici T , Puiu M, The Role of HLA Testing in Celiac Disease Children Associating IgA Deficiency, Al XXXII-lea Congres National de Gastroenterologie, Hepatologie si Endoscopie Digestiva, Tg Mures, 14-16 iunie 2012, Journal of Gastrointestinal and Liver Diseases, 21(2);2012:140

14. Belei Oana, Simedrea Ioan , Pop Marusia, Olariu Laura, Daescu Camelia, Acurateţea calprotectinei fecale în evaluarea inflamaţiei mucoasei la copiii cu boală inflamatorie intestinală, Volum de rezumate in format electronic, Congresul National de Gastroenterologie, Hepatologie si Nutritie Pediatrica, 3-6 octombrie 2012, Poiana Brasov, Romania

15. Belei O, Marginean O, Simedrea I, Brad G, Olariu L, Marcovici T, Daescu C, The Changing Pattern of Celiac Disease Forms of Presentation in a Paediatric Population  from  the Western Part of Romania, vol de rezumate , Zilele Academice Timisene, Editia a XIII-a, Sectiunea Medicina, 23 05 2013, Timisoara

16.  Belei Oana, Marginean Otilia, Brad Georgiana, Daescu Camelia, When Should Endocrinologists think of Celiac  Disease in Children? vol de rezumate , Conferinta Nationala cu participare international a “ Controverse in Endocrinologia Pediatrica”, 23-26 05 2013, Timisoara

17.  Oana Belei, Otilia Marginean, Ioan Simedrea, Maria  Puiu, Clinical, Morphological and Immune-Genetic Correlations in Celiac Disease in Children, 33^rd Romanian National Congress of Gastroenterology and Hepatology, Timisoara, June 12-15  2013, Abstract published in  Journal of Gastrointestinal and Liver Diseases, Vol 22, Suppl 1, June 2013

18. Oana Belei, Ioan Simedrea,Tamara Marcovici, Laura Olariu,Giorgiana Brad, Maria Pop,Otilia Mărginean, Evaluarea calităţii vieţii şi a complianţei la dieta glutenoprivă pe un lot de copii cu boală celiacă, Conferinta Nationala de Pediatrie, Bucuresti, 2-5 Aprilie 2014, rezumat publicat in Volumul de rezumate: Urgente in Pediatrie, Boli Cronice in Pediatrie, 2014, Editura Amaltea

19. Oana Belei, Oana Gradinaru-Tascau, Nadia Cornu, Flavia Motiu, Madalina Popescu, Laura Olariu, Otilia Marginean, Comparison Of Three Ultrasound Based Elastographic Techniques In Children With Chronic Diffuse Liver Diseases, A XVII-a Conferinta Nationala a Societatii Romane de Ultrasonografie in Medicina si Biologie, Timisoara, 15-17 Mai 2014 abstract  publicat in  Medical Ultrasonography, Abstracts Supplement, Mai 2014, p 6, ISBN 978-973-108-579-1

20. Belei Oana, Olariu Laura, Pop Maria, Brad Giorgiana, Marginean Otilia, Utilitatea diagnostica a determinarii anticorpilor  IgA anti-transglutaminazici prin tehnica chemiluminiscentei comparativ cu metoda ELISA la copiii cu boala celiaca,

XXXIV th National Congress of Gastroenterology, Hepatology and Digestive Endoscopy, Oradea, 11-14 June 2014, abstract published in  Journal of Gastrointestinal and Liver Diseases, Vol 23, Supplement 1, 2014, p 109, www.jgld.ro

21. Oana Belei, Laura Olariu, Oana Gradinaru Tascau, Madalina Popescu, Ioan Simedrea, Alina Popescu , Otilia Marginean, Ioan Sporea,  Progrese in evaluarea non-invaziva a gradului de fibroza la copiii cu hepatopatii cronice, Congresul Societatii Romane de Gastroenterologie, Hepatologie si Nutritie Pediatrica, 20-22 Nov 2014, Sibiu

22. Oana Belei , Ioan Simedrea , Laura Olariu , Maria Pop , Otilia Marginean, Prevalence of Liver Injury in Celiac Disease Pediatric Patients, XXXV th National Congress of Gastroenterology, Hepatology and Digestive Endoscopy, Iasi, 11-13 June 2015, abstract published in  Journal of Gastrointestinal and Liver Diseases, Vol 24, Supplement 1, 2015

23. Belei Oana, Simedrea Ioan, Olariu Laura, Marcovici Tamara, Ilie Rodica, Heredea Rodica, Marginean Otilia, Erori de diagnostic intr-un caz de rectoragie la copil, Volum de rezumate: Al XII-lea Congres National  de Pediatrie cu participare internationala, 3-5 Sept 2015, Timisoara

24. Oana Belei, Ioan Simedrea, Ioan Sporea, Laura Olariu , Otilia Marginean, Evaluarea hepatica prin elastografie la copil, Volum de rezumate Zilele Institutului pentru ocrotirea Mamei si Copilului “Prof Dr Alfred Rusescu”, 10-12 Decembrie 2015, Bucuresti,ISSN 2458-0333

25. Belei Oana, Simedrea Ioan, Marcovici Tamara, Craciun Adrian, Chiru Daniela, Brad Georgiana, Marginean Otilia, Asocierea bolii celiace cu afectiunile autoimune la copii, Volum de rezumate:  Conferinta Nationala de Pediatrie: Progrese in Pediatrie, 30 03 – 2 04 2016, Bucuresti

26. Belei Oana, Simedrea Ioan, Olariu Laura, Marcovici Tamara, Brad Giorgiana, Marginean Otilia, Aportul endoscopiei in hemoragia digestiva superioara si inferioara la copil, Al 8-lea Congres Național al Societății Române de Chirurgie Pediatrică, 21-23 Aprilie 2016 ,Timisoara, Jurnalul Pediatrului – Year XIX, Vol. XIX, Supplement 1, 2016, p 32-33

27. Oana Belei, Ioan Simedrea, Tamara Marcovici, Laura Olariu, Otilia Marginean, Modificarea spectrului de prezentare a formelor clinice de boala celiaca intr-o populatia pediatrica din partea de vest a tarii, Al XXXVI-a Congres National de Gastroenterologie, Hepatologie si Endoscopie Digestiva, Cluj Napoca, 8-11 iunie 2016, Abstract published in Journal of Gastrointestinal  and Liver Diseases, Vol 25 Supplement 2, 2016: p30-31.

28. Belei Oana, Olariu Laura, Simedrea Ioan, Marcovici Tamara, Marginean Otilia, Sindromul de suprapopulare bacteriana

       intestinala in randul copiilor cu reflux gastro-esofagian si  intoleranta non celiaca la gluten, Volum de rezumate,  

       Congresul   National de Gastroenterologie, Hepatologie si Nutritie Pediatrica, Cluj Napoca, 14-17 Sept 2016, pag 39,

       ISBN: 978-973-0- 22498-6

29. Belei Oana, Simedrea Ioan, Olariu Laura, Marcovici Tamara, Marginean Otilia , Acurateţea calprotectinei fecale în evaluarea inflamaţiei mucoasei la copiii cu boală inflamatorie intestinală, vol de rezumate, 8th National Symposium on Inflammatory Bowel Diseases, 29th of September - 1st of October 2016, Bucharest, Romania

Lucrari prezentate la manifestari internationale si publicate in rezumat:

1. Belei Oana, Simedrea Ioan, Marginean Otilia, Ilie Rodica, Daescu Camelia, Marcovici Tamara, Accuracy of Serological Tests In Celiac Disease Children, vol de rezumate pe suport electronic – CD, The 3rd World Congres of  Pediatric Gastroenterology, Hepatology and  Nutrition, 16 – 20 08 2008, Iguassu Falls, Brazil

2. Belei Oana, Simedrea  Ioan, Sabau Ioan, Ilie Rodica, Marginean Otilia, Daescu Camelia,  Comorbidities and Risk Factors in Romanian Celiac  Disease Pediatric Patients, vol de rezumate pe suport electronic – CD,  The 3rd World Congres of  Pediatric Gastroenterology, Hepatology and  Nutrition , 16 – 20 08 2008, Iguassu Falls, Brazil

3. Oana Belei, Ioan Simedrea, Monica Marazan,  Alternative Screening Strategy  for Celiac Disease, abstract volume, ESPGHAN Young Investigator Forum, 23 – 26 04, 2009, Spitzingsee, Germany

4. O Belei, I Simedrea, L Tamas, C Daescu, T Marcovici, F Antonie, G Brad, D Mihailov, HLA Polimorphism in Celiac Disease Romanian Children, European Journal of Human Genetics, Vol 17, Supplement 2,     May   2009, European Human Genetics Conference 2009 Abstracts  Volume, p. 315

5. Oana Belei, Ioan Simedrea, Considerations upon a Case of Neonatal Cholestasis, Eastern European Workshop for Pediatric Hepatology, 27 - 28 03 2009, Visegrad, Hungary

6. O. Belei, I. Simedrea, G. Brad, C. Daescu, T. Marcovici, A. Craciun, F. Antonie, Sepsis Treatment in Children With Celiac Syndrome, Abstract Volume pe suport electronic – CD, The 6th World Congress on Pediatric Infectious Diseases, November 18-22, 2009,Buenos Aires, Argentina

7. O. Belei, I. Simedrea, C. Daescu, T. Marcovici, A. Craciun, G. Brad, F. Antonie, Lamivudine Treatment in Chronic B Hepatitis With Negative Hbe Antigen, Abstract Volume pe suport electronic - CD, The 6th World Congress on Pediatric Infectious Diseases, November 18-22, 2009, Buenos Aires, Argentina

8. Oana Belei, Ioan Simedrea, Camelia Daescu, Tamara Marcovici, Florina Antonie, Georgiana Brad,  Clinical, Morphological and Immune-Genetical Correlations in Romanian Celiac Disease Children, Annual Meeting of Tthe European Society for Pediatric Gastroenterology, Hepatology and Nutrition, June 2010, Istanbul, Turkey, Abstract CD

9. Oana Belei, Ioan Simedrea, Camelia Daescu, Tamara Marcovici, Florina Antonie, Georgiana Brad , Quality of Life and Gluten Free Diet Compliance at Celiac Disease Romanian Children, Annual Meeting of Tthe European Society for Pediatric Gastroenterology, Hepatology and Nutrition, June 2010, Istanbul, Turkey, Abstract CD

10. O Belei, I Simedrea, C Daescu, T Marcovici, O Marginean, R Ilie, G Brad, Autoimmune Manifestations in Chronic Hepatitis B And C in Children, Gut/Endoscopy, vol 59, Supl III;235, 18th United European Gastroenterology Week (UEGW) Barcelona, Oct 23-27, 2010

11. O. Belei, M. Marazan, I. Micle, I. Simedrea, T. Marcovici, C Daescu, G.Brad, M. Puiu, Is it IPEX Syndrome? Case Report, European Journal of Human Genetics, Vol 18, Supl 1, 2010, p 80, European Human Genetics Conference 2010 Abstracts Volume

12. Oana Belei, I. Simedrea, L. Tamas, O. Marginean, C. Daescu, T. Marcovici, M. Puiu, HLA  Assessment in Romanian Children Associating IgA Deficiency, European Journal of  Human Genetics, Vol 19, Supl 2, 2011, European Human Genetics Conference 2011,  Abstracts Volume

13. Oana Belei, Ioan Simedrea, Camelia Daescu, Tamara Marcovici, Militaru Andreea, Lamivudine Treatment In Children With Chronic B Hepatitis And Negative Hbe Antigen,  1^st World Congress on Controversies in the Management of Viral Hepatitis (C-Hep) Barcelona, Spain, 19-22 May, 2011

14. Oana Belei, I Simedrea, O Marginean, T Marcovici, C Daescu, G Brad,. The Accuracy of a Rapid Fecal Calprotectin Test in Assessment the Inflammatory Activity in Children with Chronic Gastrointestinal Disorders, Gut/Endoscopy, 60 (Suppl 3), A 413, 19th United European Gastroenterology Week (UEGW) Stockholm, Sweden, Oct 22-26 2011

15. O Belei,  I Simedrea , M Pop, L Olariu, The Course of Chronic HBV Infection in Children. When Should We Initiate Antiviral Treatment? A Romanian 8 Years Follow Up Study, The International Liver Congress EASL 2012, Barcelona, 18-22 04 2012, abstract published in Journal of Hepatology, vol 56, Suppl 2, 2012, p 542

16. Belei O, Pop M, Marcovici T , Militaru A , Daescu C , Puiu M, Late diagnosis of non-syndromatic intrahepatic biliary atresia. Case presentation, European Society of Human Genetics Conferece, Nurenberg, June 23-26, 2012, European Journal of Human Genetics, 20(1);2012:362

17. Belei Oana, Pop Marusia, Simedrea Ioan, Daescu Camelia, The usefulness of  IgA/IgG DGP/tTG screen assay for celiac disease detection among symptomatic and at risk young Children, Gut/Endoscopy, 61 (Suppl 3), A 413, 20th United European Gastroenterology Week, Amsterdam, The Netherlands, Oct 20-24 2012

18. Belei O, The Role of Non Invasive Markers for Assessment the Intestinal Inflammation  in  Children, 4th World Congress of Pediatric Gastroenterology, Hepatology  and Nutrition, Taipei, Taiwan, 14-18 Nov 2012, Abstract volume

19. Belei Oana, Considerations upon a case of chronic intestinal pseudo-obstruction in infant , oral presentation at “Trainee Course Dyspepsia and Bloating”, 7-9 02 2013, Vall d’Hebron Hospital, Barcelona, Spain

20. Belei Oana, Simedrea Ioan, Pop Marusia, Tamara Marcovici, Daescu Camelia, The role of fecal calprotectin in monitoring mucosal inflammation in children with inflammatory bowel diseases, abstract volume, 46th ESPGHAN  Annual Meeting, 8-11 May 2013, London, UK

21. O. Belei, O. Marginean, L. Olariu, M. Pop, M. Puiu, The role of HLA typing for celiac disease diagnosis among children with autoimmune disorders, European Society of Human Genetics Conferece 2014, May 31- June 3, 2014, Milan, Italy, Abstracts published in European Journal of Human Genetics, 22(1);2014:393, www.nature.com/ejhg

22. Belei Oana, Marginean Otilia, Clinical Utility of Serologic Screening for Celiac Disease and HLA Typing Among Children with Autoimmune Disorders, electronic abstract  volume,  Falk Symposium 193 Celiac Disease and Other Small Bowell Disorders, Sepember  5-6  2014, Amsterdam,

23.  Belei Oana, Marginean Otilia, Clinical, Histological and Immune-Genetic Correlations  Among Romanian Children with Celiac Disease, electronic abstract  volume,  Falk Symposium 193 Celiac Disease and Other Small Bowell Disorders, Sepember  5-6  2014, Amsterdam

24. O Belei, O Marginean, Is it Crohn's disease? Diagnostic errors in a young child, Journal of Crohn’s  and Colitis , Vol 8, Suppl 2, S393-S444, 3^rd International Symposiun on Pediatric Inflammatory Bowel Disease, 10-13 September  2014, Rotterdam

25. O Belei, O Marginean ,The usefulness of fecal Calprotectin in monitoring Inflammatory activity among children with Crohn's disease and Ulcerative Colitis, Journal of Crohn’s  and Colitis , Vol 8, Suppl 2, S393-S444, 3^rd International Symposiun on Pediatric Inflammatory Bowel Disease, 10-13 September  2014, Rotterdam

26.  O Belei, L Olariu, O Gradinaru, O Marginean, Elastographic assessment of liver stiffness in children,  22^nd United European Gastroenterology  Week, Vienna 18-22 October 2014, Abstracts published in United European Gastroenterology Journal, 2014;2(1):A40, http://ueg.sagepub.com

27. O.A. Belei, M. Pop, L. Olariu, I. Simedrea, O. Gradinaru-Tascau, O. Marginean, The disease course of chronic HBV infection among pediatric patients, Falk Workshop Viral Hepatitis –From Bench to Bedside, Munich, Germany, 29-30 Jan 2015

28. Belei Oana , Olariu Laura , Simedrea Ioan , Pop Maria , Marginean Otilia , Particularities of Chronic HBV Infection  in a Paediatric Population From West of Romania, Abstract volume of The 48th Annual Meeting of the European Society for Paediatric Gastroenterology, Hepatology, and Nutrition, Amsterdam, The Netherlands, 6 – 9 May 2015, Journal of Pediatric Gastroenterology, Hepatology and Nutrition, Vol. 60, Supplement 1, May 2015, p. 681

29. Belei Oana , Pop Maria , Simedrea Ioan , Olariu Laura , Marginean Otilia, Prevalence Of Coeliac Disease Among Asymptomatic Children With Autoimmune Disorders,  Abstract volume of The 48th Annual Meeting of the European Society for Paediatric Gastroenterology, Hepatology, and Nutrition, Amsterdam, The Netherlands, 6 – 9 May 2015,  Journal of Pediatric Gastroenterology, Hepatology and Nutrition, Vol. 60, Supplement 1, May 2015, p. 274
30. Belei Oana, Olariu Laura, Pop Maria, Gradinaru-Tascau Oana, Marcovici Tamara, Marginean Otilia, Celiac disease-associated autoimmune liver and thyroid diseases in a paediatric population from Western Romania, Falk Symposium 197 Autoimmune Diseases of the Liver, May 8 – 9, 2015, Lisbon, Portugal
31. Belei Oana, Olariu Laura, Craciun Adrian, Marcovici Tamara, Gradinaru-Tascau Oana, Simedrea Ioan, Marginean Otilia, Autoimmune hepatitis and cryptogenic hypertransaminasemia among Romanian children with celiac disease, Falk Symposium 197 Autoimmune Diseases of the Liver, May 8 – 9, 2015, Lisbon, Portugal
32. O. N. Belei , M. Pop , L. Olariu , T. Marcovici , I. Simedrea , O. Marginean, The influence of HLA class II genes in autoimmune liver and thyroid diseases association with celiac disease in children, European Society of Human Genetics Conferece, June 6 - 9, 2015 Glasgow, Scotland, United Kingdom, Abstracts published in European Journal of Human Genetics, 23(1);2015:387, www.nature.com/ejhg
33. O Belei, I Simedrea, L Olariu, M Pop, G Brad, T Marcovici, O Marginean, Predictives Factors of Positive Response to Interferon Treatment in Chronic B Active Hepatitis in Children, Abstract volume of The 49th Annual Meeting of the European Society for Paediatric Gastroenterology, Hepatology, and Nutrition ESPGHAN, Athens, Greece, 25 – 28 May 2016, Journal of Pediatric Gastroenterology, Hepatology and Nutrition, Vol. 62, Supplement 1, May 2016, p. 592

34. Belei Oana, Simedrea Ioan, Olariu Laura, Marcovici Tamara, Marginean Otilia, Assessment of Liver Injuries Among Children With Celiac Disease, Abstract volume of The 49th Annual Meeting of the European Society for Paediatric Gastroenterology, Hepatology, and Nutrition ESPGHAN, Athens, Greece, 25 – 28 May 2016, Journal of Pediatric Gastroenterology, Hepatology and Nutrition, Vol. 62, Supplement 1, May 2016, p. 207

35. Oana Belei, Laura Olariu, Ioan Simedrea, Tamnara Marcovici, Otilia Marginean, Small Intestinal Bacterial Overgrowth Among Children With Gastro-Esophageal Reflux And  Nonceliac Gluten Sensitivity, 24^nd United European Gastroenterology  Week, Vienna 15-19 October 2016, Abstracts published in United European Gastroenterology Journal, 2016;4 (5 suppl):A341

Premii:

• Scholarship Grant of 1000 USD awarded during The IIIrd World Congres of  Pediatric Gastroenterology, Hepatology and  Nutrition, 16 – 20 VIII 2008 in Iguassu Falls, Brazil
• Fellowship of 300 Euro, awarded during European Human Genetics Conference, 23 – 26 05 2009 in Vienna, Austria
• Fellowship of 1350 USD, awarded during The 6th World Congress on Pediatric Infectious Diseases, November 18-22, 2009 in Buenos Aires, Argentina
• Young investigator fellowship of 1000 Euro awarded for attending  The 43^rd Annual Meeting of The European Society for Pediatric Gastroenterology, Hepatology and Nutrition, 9-12 06 2010, Istanbul, Turkey
• Travel Grant of 1500 Euro awarded by European Society of Human Genetics for attending ESHG Course Introduction to the genetic epidemiology of Complex Diseases, CHU du Kremlin Bicetre, Faculte de Medicine Paris Sud, November, 22-26, 2010
• Young Investigators Travel Grant awarded for an original poster presentation by the Organizers of The 1st World Congress on Controversies in the Management of Viral Hepatitis (C-Hep) May 2011, Barcelona
• International Scholarship for Young Investigators of  1000 Euro awarded for participation at United European Gastroenterology Week  in october 2011 at Stockholm, Sweden
• Travel Grant awarded by The European Society for Pediatric Gastroenterology, Hepatology and Nutrition ESPGHAN for participation at ESPGHAN Summer School “ Challenges in Pediatric Gastroenterology”, 10-15  09  2012, Madrid, Spain
• First prize of  500 Euros  for the best  oral paper  presented at National Congres of Pediatric Gastroenterology , Hepatology and Nutrition, 3-6 10 2012,  Poiana Brasov,  Romania
• Travel grant awarded by United European Gastroenterology  Society (UEG) for attending  the course “Trainee Course Dyspepsia and Bloating”, 7-9 02 2013, Vall d’Hebron Hospital, Barcelona, Spain
• Young investigator fellowship of 1000 Euro awarded for attending  The 46^th Annual Meeting of The European Society for Pediatric Gastroenterology, Hepatology and Nutrition, 8-11 05 2013, London, UK
• First prize for best paper presented at  National Paediatric Conference, Bucuresti,  Romania, 2-5 April 2014 http://cnped2014.ro/premii.php
• Clinical  Scientist Travel Grant for oral presentation “Elastographic assessment of liver stiffness in children” presented at 22^nd United European Gastroenterology  Week, Vienna 18-22 October 2014
• 3^rd prize of 500 Euro awarded for the poster presentation entitled “Autoimmune hepatitis and cryptogenic hypertransaminasemia among Romanian children with celiac disease” presented at Falk Symposium 197 Autoimmune Diseases of the Liver, May 8 – 9, 2015, Lisbon, Portugal
• Travel Grand awarded by ESPGHAN for participation to Pediatric Hepatology Summer School, Visegrad, Hungary, 27-30 Apr 2016
• Young investigator fellowship of 500 Euro awarded by ESPGHAN for attending  The 49^th Annual Meeting of The European Society for Pediatric Gastroenterology, Hepatology and Nutrition, 25-28 05 2016, Athens, Greece