Dietary practices in methylmalonic acidaemia: a European survey

Author:

Pinto Alex1,Evans Sharon2ORCID,Daly Anne2,Almeida Manuela Ferreira345,Assoun Murielle6,Belanger-Quintana Amaya7,Bernabei Silvia Maria8,Bollhalder Sandra9,Cassiman David10,Champion Helena11,Chan Heidi12,Corthouts Karen10,Dalmau Jaime13,Boer Foekje de14,Laet Corinne De15,Meyer An de16,Desloovere An17,Dianin Alice18,Dixon Marjorie19,Dokoupil Katharina20,Dubois Sandrine6,Eyskens Francois16,Faria Ana21,Fasan Ilaria22,Favre Elisabeth23,Feillet François23,Fekete Anna24,Gallo Giorgia8,Gingell Cerys25,Gribben Joanna12,Hansen Kit Kaalund26,Horst Nienke Ter27,Jankowski Camille28,Janssen-Regelink Renske29,Jones Ilana16,Jouault Catherine30,Kahrs Gudrun Elise31,Kok Irene32,Kowalik Agnieszka33,Laguerre Catherine34,Verge Sandrine Le6,Liguori Alessandra8,Lilje Rina35,Maddalon Cornelia36,Mayr Doris37,Meyer Uta38,Micciche Avril12,Och Ulrike39,Robert Martine15,Rocha Júlio César3540ORCID,Rogozinski Hazel41,Rohde Carmen42,Ross Kathleen43,Saruggia Isabelle44,Schlune Andrea45,Singleton Kath46,Sjoqvist Elisabeth47,Skeath Rachel19,Stolen Linn Helene35,Terry Allyson48,Timmer Corrie49,Tomlinson Lyndsey50,Tooke Alison25,Kerckhove Kristel Vande10,van Dam Esther14,Hurk Dorine van den32,Ploeg Liesbeth van der51,van Driessche Marleen17,van Rijn Margreet14,Wegberg Annemiek van29,Vasconcelos Carla52,Vestergaard Helle53,Vitoria Isidro13,Webster Diana28,White Fiona54,White Lucy55,Zweers Heidi29,MacDonald Anita2

Affiliation:

1. Dietetic Department , Birmingham Women’s and Children’s Hospital, Steelhouse Lane , Birmingham B4 6NH , UK

2. Birmingham Women’s and Children’s Hospital , Birmingham , UK

3. Centro de Genética Médica , Centro Hospitalar Universitário do Porto – CHUP , Porto , Portugal

4. Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Institute of Biomedical Sciences , University of Porto – UMIB/ICBAS/UP , Porto , Portugal

5. Centro de Referência na área de Doenças Hereditárias do Metabolismo , Centro Hospitalar Universitário do Porto – CHUP , Porto , Portugal

6. Centre de référence des maladies héréditaires du métabolisme , Hôpital Necker Enfants Malades , Paris , France

7. Unidad de Enfermedades Metabolicas, Servicio de Pediatria, Hospital Ramon y Cajal , Madrid , Spain

8. Children Hospital Bambino Gesù , Division of Artificial Nutrition , Rome , Italy

9. Univerisity Hospital Zurich , Zurich , Switzerland

10. Metabolic Center , University Hospitals Leuven and KU Leuven , Leuven , Belgium

11. Addenbrooke’s Hospital , Cambridge , UK

12. Evelina London Children’s Hospital , Guy’s and St. Thomas’ NHS Foundation Trust , London , UK

13. Unit of Nutrition and Metabolopathies , Hospital La Fe , Valencia , Spain

14. University of Groningen, University Medical Center Groningen , Groningen , The Netherlands

15. Hôpital Universitaire des Enfants, Reine Fabiola , Bruxelles , Belgium

16. Center of Metabolic Diseases , University Hospital , Antwerp , Belgium

17. University Hospital Ghent , Ghent , Belgium

18. Department of Pediatrics, Regional Centre for Newborn Screening, Diagnosis and Treatment of Inherited Metabolic Diseases and Congenital Endocrine Diseases , University Hospital of Verona , Verona , Italy

19. Great Ormond Street Hospital for Children NHS Foundation Trust , London , UK

20. Dr. von Hauner Children’s Hospital , Munich , Germany

21. Hospital Pediátrico , Centro Hospitalar e Universitário de Coimbra, EPE , Coimbra , Portugal

22. Division of Inherited Metabolic Diseases, Department of Pediatrics , University Hospital of Padova , Padua , Italy

23. Reference Center for Inborn Errors of Metabolism, Department of Pediatrics , Children’s University Hospital , Nancy , France

24. Metabolic Centre of Vienna , Vienna , Austria

25. Nottingham University Hospitals , Nottingham , UK

26. Charles Dent Metabolic Unit National Hospital for Neurology and Surgery , London , UK

27. Emma Children’s Hospital, AMC Amsterdam , Amsterdam , The Netherlands

28. Bristol Royal Hospital for Children , University Hospitals Bristol NHS Foundation Trust , Bristol , UK

29. Radboud University Medical Center , Nijmegen , The Netherlands

30. CHU Angers , Angers , France

31. Haukeland University Hospital , Bergen , Norway

32. Wilhelmina Children’s Hospital , University Medical Centre Utrecht , Utrecht , The Netherlands

33. Institute of Mother and Child , Warsaw , Poland

34. Centre de Compétence de L’Hôpital des Enfants de Toulouse , Toulouse , France

35. Oslo University Hospital , Oslo , Norway

36. University Children’s Hospital Zurich , Zurich , Switzerland

37. Ernährungsmedizinische Beratung , Universitätsklinik für Kinder- und Jugendheilkunde , Salzburg , Austria

38. Clinic of Paediatric Kidney, Liver and Metabolic Diseases, Medical School Hannover , Hannover , Germany

39. University Children’s Hospital , Munster , Germany

40. Centre for Health Technology and Services Research (CINTESIS) , Porto , Portugal

41. Bradford Teaching Hospital NHS Foundation Trust , Bradford , UK

42. Department of Paediatrics of the University Clinics Leipzig , University of Leipzig , Leipzig , Germany

43. Royal Aberdeen Children’s Hospital , Aberdeen , Scotland

44. Centre de Reference des Maladies Héréditaires du Métabolisme du Pr. B. Chabrol CHU Timone Enfant , Marseille , France

45. Department of General Pediatrics, Neonatology and Pediatric Cardiology , University Children’s Hospital, Heinrich Heine University , Düsseldorf , Germany

46. University Hospital of Wales , Cardiff , UK

47. Children’s Hospital , University Hospital , Lund , Sweden

48. Alder Hey Children’s Hospital NHS Foundation Trust , Liverpool , UK

49. Amsterdam UMC , Amsterdam , The Netherlands

50. University Hospitals Birmingham NHS Foundation Trust , Birmingham , UK

51. Maastricht University Medical Centre+ (MUMC+) , Maastricht , The Netherlands

52. Centro Hospitalar São João – Unidade de Doenças Metabólicas , Porto , Portugal

53. National University Hospital , Copenhagen , Denmark

54. Central Manchester University Hospitals NHS Foundation Trust , Manchester , UK

55. Sheffield Children’s Hospital , Sheffield , UK

Abstract

Abstract Background The dietary management of methylmalonic acidaemia (MMA) is a low-protein diet providing sufficient energy to avoid catabolism and to limit production of methylmalonic acid. The goal is to achieve normal growth, good nutritional status and the maintenance of metabolic stability. Aim To describe the dietary management of patients with MMA across Europe. Methods A cross-sectional questionnaire was sent to European colleagues managing inherited metabolic disorders (IMDs) (n=53) with 27 questions about the nutritional management of organic acidaemias. Data were analysed by different age ranges (0–6 months; 7–12 months; 1–10 years; 11–16 years; >16 years). Results Questionnaires were returned from 53 centres. Twenty-five centres cared for 80 patients with MMA vitamin B12 responsive (MMAB12r) and 43 centres managed 215 patients with MMA vitamin B12 non-responsive (MMAB12nr). For MMAB12r patients, 44% of centres (n=11/25) prescribed natural protein below the World Health Organization/Food and Agriculture Organization/United Nations University (WHO/FAO/UNU) 2007 safe levels of protein intake in at least one age range. Precursor-free amino acids (PFAA) were prescribed by 40% of centres (10/25) caring for 36% (29/80) of all the patients. For MMAB12nr patients, 72% of centres (n=31/43) prescribed natural protein below the safe levels of protein intake (WHO/FAO/UNU 2007) in at least one age range. PFAA were prescribed by 77% of centres (n=33/43) managing 81% (n=174/215) of patients. In MMAB12nr patients, 90 (42%) required tube feeding: 25 via a nasogastric tube and 65 via a gastrostomy. Conclusions A high percentage of centres used PFAA in MMA patients together with a protein prescription that provided less than the safe levels of natural protein intake. However, there was inconsistent practices across Europe. Long-term efficacy studies are needed to study patient outcome when using PFAA with different severities of natural protein restrictions in patients with MMA to guide future practice.

Publisher

Walter de Gruyter GmbH

Subject

Endocrinology,Endocrinology, Diabetes and Metabolism,Pediatrics, Perinatology and Child Health

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