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de Lonlay P, Posset R, Mütze U, Mention K, Lamireau D, Schiff M, Servais A, Arnoux JB, Brassier A, Dao M, Douillard C, Ottolenghi C, Pontoizeau C, Miotto F, Le Mouhaër J. Real-world management of maple syrup urine disease (MSUD) metabolic decompensations with branched chain amino acid-free formulas in France and Germany: A retrospective observational study. JIMD Rep 2021; 59:110-119. [PMID: 33977036 PMCID: PMC8100389 DOI: 10.1002/jmd2.12207] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 01/16/2021] [Accepted: 02/03/2021] [Indexed: 11/25/2022] Open
Abstract
Maple syrup urine disease (MSUD) is a rare inborn metabolic disorder, managed with a strict protein-restricted diet. At any time or age patients may still experience metabolic decompensations, requiring administration of branched chain amino acid (BCAA)-free formula to reduce leucine levels. This retrospective observational study of 126 decompensation episodes from 54 MSUD patients treated at five centers in France and Germany from 2010 to 2016, describes episodes and outcomes for patients stratified into groups who received enteral/oral or intravenous (IV) BCAA-free formula, and by pediatric or adult age categories. IV administration of BCAA-free formula was required in cases of gastric intolerance (33%), refusal to undergo nasogastric tubing (31%), "emergency" (14%) or coma patients (8%), and as prophylaxis before surgery (6%). Overall, mean duration of hospitalization was 6.6 days with oral/enteral BCAA-free formula and 5.4 days with IV formula. Leucine levels at discharge decreased by a mean of 548.5 μmol/L (69.3%) in the oral/enteral group and 657.2 μmol/L (71.3%) in the IV group. In the pediatric subgroup, there were no marked differences between administration groups on any outcome. In the adult subgroup, mean time to episode resolution was 15.8 days in the oral/enteral group and 7.7 days in the IV group (P = .008); mean duration of hospitalization was 6 days in the oral/enteral group and 4.6 days in the IV group (P = NS). Overall, seven serious adverse events in two patients were reported, of which only nausea and vomiting were treatment related.
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Affiliation(s)
- Pascale de Lonlay
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
| | - Roland Posset
- Center for Pediatric and Adolescent Medicine, Division of Pediatric Neurology and Metabolic MedicineUniversity Hospital HeidelbergHeidelbergGermany
| | - Ulrike Mütze
- Center for Pediatric and Adolescent Medicine, Division of Pediatric Neurology and Metabolic MedicineUniversity Hospital HeidelbergHeidelbergGermany
| | - Karine Mention
- Unité Métabolisme et Centre de RéférencePôle Enfant, CHRU de Lille – Hôpital Jeanne de Flandre, Filière G2MLilleFrance
| | - Delphine Lamireau
- Centre de compétence des maladies métaboliquesCHU de Bordeaux‐GH Pellegrin, Filière G2MBordeauxFrance
| | - Manuel Schiff
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
| | - Aude Servais
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
| | - Jean Baptiste Arnoux
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
| | - Anaïs Brassier
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
| | - Myriam Dao
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
| | - Claire Douillard
- Service d'endocrinologie‐diabétologie‐métabolisme‐nutritionHôpital Huriez, CHRULilleFrance
| | - Chris Ottolenghi
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
| | - Clément Pontoizeau
- Service et Centre de Référence des maladies métaboliquesHôpital Necker – Enfants Malades, APHP, Université de Paris, Filière G2MFrance
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Rauf S, Almas T, Ullah I, Usman N, Irfan M. Maple Syrup Urine Disease Masquerading as Urea Cycle Disorder: A Tale of Two Clinical Mimics. Cureus 2020; 12:e9706. [PMID: 32944429 PMCID: PMC7489313 DOI: 10.7759/cureus.9706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Brambilla A, Bianchi ML, Cancello R, Galimberti C, Gasperini S, Pretese R, Rigoldi M, Tursi S, Parini R. Resting energy expenditure in argininosuccinic aciduria and in other urea cycle disorders. J Inherit Metab Dis 2019; 42:1105-1117. [PMID: 31056765 DOI: 10.1002/jimd.12108] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 04/28/2019] [Accepted: 04/30/2019] [Indexed: 12/30/2022]
Abstract
No data are available on the specific energy needs of patients affected with Urea Cycle disorders (UCD) and especially argininosuccinic aciduria (ASA). In our experience, ASA patients tend to develop central adiposity and hypertriglyceridemia when treated with apparently adequate energy intake, while the other UCD do not. The aim of this study was to evaluate anthropometric parameters, body composition, risk of metabolic syndrome (MS) and resting energy expenditure (REE), both by indirect calorimetry (IC) and predictive equations, in UCD patients. Hypertension (5/13), pathological waist circumference-to-height ratio (WtHr) (6/13), hypertriglyceridemia (12/13), reduced HDL cholesterol (12/13), and MS (5/13) were found in ASA group. In the ASA cohort, the mean and median IC-REE were 88% of what was predicted by Food and Agriculture Organization of the United Nations and Harris-Benedict equations. The "other UCD" cohort did not show hypertension, dyslipidaemia nor MS; IC-REE was similar to the REE predicted by equations. A significant difference was seen for the presence of hypertension, dyslipidaemia, pathological WtHr, MS and IC-REE/predictive equations-REE in the two cohorts. ASA patients have a risk of overfeeding if their energy requirement is not assessed individually with IC. Excessive energy intake might increase the cardiovascular risk of ASA patients. We suggest to test ASA individuals with IC every year if the patient is sufficiently collaborative. We speculate that most of the features seen in ASA patients might depend on an imbalance of Krebs cycle. Further studies are needed to verify this hypothesis.
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Affiliation(s)
- Alessandra Brambilla
- Department of Pediatrics, Fondazione MBBM, ATS Monza, University Hospital San Gerardo, Monza, Italy
| | - Maria L Bianchi
- Bone Metabolism Unit, Istituto Auxologico Italiano, Milano, Italy
| | | | - Cinzia Galimberti
- Department of Pediatrics, Fondazione MBBM, ATS Monza, University Hospital San Gerardo, Monza, Italy
| | - Serena Gasperini
- Department of Pediatrics, Fondazione MBBM, ATS Monza, University Hospital San Gerardo, Monza, Italy
| | - Roberta Pretese
- Department of Pediatrics, Fondazione MBBM, ATS Monza, University Hospital San Gerardo, Monza, Italy
| | - Miriam Rigoldi
- Department of Medical Genetics, Rare Disease Center, ASST San Gerardo, Monza, Italy
| | - Serena Tursi
- Department of Pediatrics, Fondazione MBBM, ATS Monza, University Hospital San Gerardo, Monza, Italy
| | - Rossella Parini
- Department of Pediatrics, Fondazione MBBM, ATS Monza, University Hospital San Gerardo, Monza, Italy
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