Ching-Chia Wang1, Wuh-Liang Hwu, Kai-Hsin Lin. 1. Department of Pediatrics, National Taiwan University Hospital and College of Medicine, National Taiwan University, Taipei, Taiwan, China.
Abstract
BACKGROUND: Mucopolysaccharidosis type VI (MPS VI or Maroteaux-Lamy syndrome) is a rare autosomal recessive genetic disorder. We treated a 10-year-old girl with Maroteaux-Lamy syndrome successfully with bone marrow transplantation (BMT). METHODS: The patient had reconstitution with bone marrow from her HLA-matched brother. One month after BMT, arylsulfatase activity of the recipient's leukocytes became normal. No graft-versus-host disease (GVHD) was observed. Arylsulfatase B activity was maintained and the urinary excretion of glycosaminoglycans (GAGs) became normal. RESULTS: The clinical response of the patient was slow but persistent during 12 years after BMT. Improved motor function included walking alone for a long distance without aid, riding a bicycle, taking a bath by herself, etc. Besides, few infections occurred. Exertional dyspnea, severe snoring, and vertigo were much improved. CONCLUSIONS: Early intervention is recommended for BMT. Allogeneic BMT may provide a better life quality as illustrated in the present case.
BACKGROUND:Mucopolysaccharidosis type VI (MPS VI or Maroteaux-Lamy syndrome) is a rare autosomal recessive genetic disorder. We treated a 10-year-old girl with Maroteaux-Lamy syndrome successfully with bone marrow transplantation (BMT). METHODS: The patient had reconstitution with bone marrow from her HLA-matched brother. One month after BMT, arylsulfatase activity of the recipient's leukocytes became normal. No graft-versus-host disease (GVHD) was observed. Arylsulfatase B activity was maintained and the urinary excretion of glycosaminoglycans (GAGs) became normal. RESULTS: The clinical response of the patient was slow but persistent during 12 years after BMT. Improved motor function included walking alone for a long distance without aid, riding a bicycle, taking a bath by herself, etc. Besides, few infections occurred. Exertional dyspnea, severe snoring, and vertigo were much improved. CONCLUSIONS: Early intervention is recommended for BMT. Allogeneic BMT may provide a better life quality as illustrated in the present case.
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