2015
DOI: 10.1016/j.jpedp.2015.03.006
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Maple syrup urine disease in Brazil: a panorama of the last two decades

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Cited by 12 publications
(29 citation statements)
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“…Although some patients were diagnosed in the first month of life, as can be seen in Table 4, diagnosis was not made at the beginning of the presentation of symptoms in the majority of patients (only patients 6, 11, and 15 were diagnosed at the time at which symptoms appeared and patient 18 was diagnosed when still asymptomatic). In Brazil, the time between diagnosis and receipt of the metabolic formula is long and variable (31), which can also be observed in the registry of the clinical files of patients in our study. Only four patients (patients 4, 6, 11, and 18) received the metabolic formula for treatment of MSUD immediately after diagnosis; receipt varied for the other patients between ten days and two months after diagnosis, delaying appropriate treatment of the disease.…”
Section: Discussionsupporting
confidence: 63%
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“…Although some patients were diagnosed in the first month of life, as can be seen in Table 4, diagnosis was not made at the beginning of the presentation of symptoms in the majority of patients (only patients 6, 11, and 15 were diagnosed at the time at which symptoms appeared and patient 18 was diagnosed when still asymptomatic). In Brazil, the time between diagnosis and receipt of the metabolic formula is long and variable (31), which can also be observed in the registry of the clinical files of patients in our study. Only four patients (patients 4, 6, 11, and 18) received the metabolic formula for treatment of MSUD immediately after diagnosis; receipt varied for the other patients between ten days and two months after diagnosis, delaying appropriate treatment of the disease.…”
Section: Discussionsupporting
confidence: 63%
“…When patients are diagnosed in the acute phase of the disease during a hospital stay due to metabolic decompensation, treatment with a metabolic formula is started at the time of diagnosis only if the formula is available at the admitting hospital. In contrast, patients diagnosed in the nonacute phase of the disease and treated on an outpatient basis are prone to receive the formula late, with the guarantee of access to the metabolic formula occurring only through judicial measures (31).…”
Section: Discussionmentioning
confidence: 99%
“…Se o paciente possui altas dosagens de leucina, valina, isoleucina ou de aloisoleucina (>5 mm/L), a doença deve ser considerada (SCHADEWALDT et al, 1999). Além disso, níveis de leucina superiores a 1.000 µmol/L são considerados críticos, pois podem produzir dano irretratável ou até mesmo levar a óbito (HERBER et al, 2015). Os níveis de leucina ao diagnóstico dos participantes deste estudo variou de 440 a 3962 µmol/L, entretanto a maior parte das crianças (72%) apresentaram leucina superior a 1.000 µmol/L.…”
Section: ________________________6 Discussãounclassified
“…Por outro lado, pacientes diagnosticados em fase não aguda da doença e tratados ambulatoriamente, ficam propensos a receber a fórmula tardiamente e normalmente a garantia de acesso à fórmula metabólica ocorre somente através de medida judicial (HERBER et al, 2015). Pacientes com a forma intermitente da doença, avaliados por Tsuruta et al (1998) apresentaram exclusivamente mutações no gene DBT, dando origem a baixa, mas significativa atividade residual do complexo BCKD.…”
Section: ________________________6 Discussãounclassified
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