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The Role of Platelets and ?-Aminocaproic Acid in Arthrogryposis, Renal Dysfunction, and Cholestasis (ARC) Syndrome Associated Hemorrhage.

ABSTRACT: Arthrogryposis, renal dysfunction, and cholestasis (ARC) syndrome is a rare disorder associated with platelet abnormalities resembling gray platelet syndrome. Affected patients have normal platelet numbers but abnormal morphology and function. Bleeding symptomatology ranges from postprocedural to spontaneous life-threatening hemorrhage. We report a patient with ARC syndrome and compound heterozygous mutations in VPS33B (vacuolar protein sorting 33B) who presented with significant bleeding requiring numerous admissions and transfusions. She was treated with prophylactic platelet transfusions and ?-aminocaproic acid. This was well-tolerated and significantly decreased transfusion requirements and admissions for bleeding. Our experience provides support for consideration of prophylactic measures in these patients as well as the possibility of using prophylaxis in related disorders.

SUBMITTER: Weyand AC 

PROVIDER: S-EPMC4724310 | biostudies-other | 2016 Mar

REPOSITORIES: biostudies-other

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The Role of Platelets and ε-Aminocaproic Acid in Arthrogryposis, Renal Dysfunction, and Cholestasis (ARC) Syndrome Associated Hemorrhage.

Weyand Angela C AC   Lombel Rebecca M RM   Pipe Steven W SW   Shavit Jordan A JA  

Pediatric blood & cancer 20151027 3

Arthrogryposis, renal dysfunction, and cholestasis (ARC) syndrome is a rare disorder associated with platelet abnormalities resembling gray platelet syndrome. Affected patients have normal platelet numbers but abnormal morphology and function. Bleeding symptomatology ranges from postprocedural to spontaneous life-threatening hemorrhage. We report a patient with ARC syndrome and compound heterozygous mutations in VPS33B (vacuolar protein sorting 33B) who presented with significant bleeding requir  ...[more]

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