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Nutritional and Pharmacological Management during Chemotherapy in a Patient with Propionic Acidaemia and Rhabdomyosarcoma Botryoides.

ABSTRACT: We present the nutritional and pharmacological management of a 2-year-old girl with a severe form of propionic acidaemia and a genitourinary embryonal rhabdomyosarcoma. This association has not been described before, nor the utilization of chemotherapy in patients with propionic acidaemia.The patient is a girl with neonatal onset of propionic acidaemia, homozygous for the c.2041-2924del3889 mutation in PCCA gene. At 23 months of age she was diagnosed with genitourinary embryonal rhabdomyosarcoma. Conservative surgery, brachytherapy and nine cycles of chemotherapy with iphosphamide, vincristine and actinomycin were recommended by oncologists. Due to the possibility that the child could present decompensations, we elaborated three different courses of treatment: when the patient was stable (treatment 1), intermittent bolus feeding through gastrostomy, containing 70 kcal/kg/day and 1.4 g/kg/day of total protein (0.6 g/kg/day of natural protein and 0.8 g/kg/day of amino acid-based formula) was prescribed; on the chemotherapy-days (treatment 2), diet consisted on continuous feeding, with the same energy and amino acid-based formula but half of natural protein intake; in case of decompensation (treatment 3), we increased by 10% the energy intake, and completely stopped natural protein in the diet but maintaining the amino acid-based formula. On chemotherapy- days carnitine was increased from 100 mg/kg/day to 150 mg/kg/day, and N-carbamylglutamate was added.Through the 7 months with chemotherapy the patient did not suffer decompensations, while she maintained good nutritional status.Enteral continuous feeding by gastrostomy, amino acid-based formula, and preventive use of N-carbamylglutamate during chemotherapy-days are the principal measures we propose in these situations.

SUBMITTER: Martin-Hernandez E

PROVIDER: S-EPMC3565659 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Nutritional and Pharmacological Management during Chemotherapy in a Patient with Propionic Acidaemia and Rhabdomyosarcoma Botryoides.

Martín-Hernández E E Quijada-Fraile P P Oliveros-Leal L L García-Silva Mt M Pérez-Cerdá C C Baro-Fernández M M Pérez-Alonso V V Vivanco Jl J

JIMD reports 20120321

We present the nutritional and pharmacological management of a 2-year-old girl with a severe form of propionic acidaemia and a genitourinary embryonal rhabdomyosarcoma. This association has not been described before, nor the utilization of chemotherapy in patients with propionic acidaemia.The patient is a girl with neonatal onset of propionic acidaemia, homozygous for the c.2041-2924del3889 mutation in PCCA gene. At 23 months of age she was diagnosed with genitourinary embryonal rhabdomyosarcoma ...[more]

PMID: 23430942

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Project description:Propionic acidaemia (PA) results from deficiency of Propionyl CoA carboxylase, the commonest form presenting in the neonatal period. Despite best current management, PA is associated with severe neurological sequelae, in particular movement disorders resulting from basal ganglia infarction, although the pathogenesis remains poorly understood. The role of liver transplantation remains controversial but may confer some neuro-protection. The present study utilises quantitative magnetic resonance spectroscopy (MRS) to investigate brain metabolite alterations in propionic acidaemia during metabolic stability and acute encephalopathic episodes.Quantitative MRS was used to evaluate brain metabolites in eight children with neonatal onset propionic acidaemia, with six elective studies acquired during metabolic stability and five studies during acute encephalopathic episodes. MRS studies were acquired concurrently with clinically indicated MR imaging studies at 1.5 Tesla. LCModel software was used to provide metabolite quantification. Comparison was made with a dataset of MRS metabolite concentrations from a cohort of children with normal appearing MR imaging.MRI findings confirm the vulnerability of basal ganglia to infarction during acute encephalopathy. We identified statistically significant decreases in basal ganglia glutamate+glutamine and N-Acetylaspartate, and increase in lactate, during encephalopathic episodes. In white matter lactate was significantly elevated but other metabolites not significantly altered. Metabolite data from two children who had received liver transplantation were not significantly different from the comparator group.The metabolite alterations seen in propionic acidaemia in the basal ganglia during acute encephalopathy reflect loss of viable neurons, and a switch to anaerobic respiration. The decrease in glutamine + glutamate supports the hypothesis that they are consumed to replenish a compromised Krebs cycle and that this is a marker of compromised aerobic respiration within brain tissue. Thus there is a need for improved brain protective strategies during acute metabolic decompensations. MRS provides a non-invasive tool for which could be employed to evaluate novel treatments aimed at restoring basal ganglia homeostasis. The results from the liver transplantation sub-group supports the hypothesis that liver transplantation provides systemic metabolic stability by providing a hepatic pool of functional propionyl CoA carboxylase, thus preventing further acute decompensations which are associated with the risk of brain infarction.

Dataset Information

Nutritional and Pharmacological Management during Chemotherapy in a Patient with Propionic Acidaemia and Rhabdomyosarcoma Botryoides.

Publications

Nutritional and Pharmacological Management during Chemotherapy in a Patient with Propionic Acidaemia and Rhabdomyosarcoma Botryoides.

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