Restricted upper extremity range of motion in mucopolysaccharidosis type I: no response to one year of enzyme replacement therapy.

Abstract excerpt

BACKGROUND: Mucopolysaccharidosis type I (MPS I) results from deficiency of the lysosomal enzyme alpha-L: -iduronidase (IDUA). Glycosaminoglycans (GAGs) accumulate in multiple organs and the storage in connective tissues results in restricted mobility. Previous studies provided evidence of an improvement in range of motion (ROM), as measured by goniometry, after supplementation of recombinant enzyme (ERT). AIM:...

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