Journal of pediatric orthopedics · 2011
Orthopaedic manifestations of arthrogryposis-renal dysfunction-cholestasis syndrome.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Jang Woo Young, Cho Tae-Joon, Bae Jung Yun, Jung Hae Woon, Ko Jae Sung, Park Moon Seok, Yoo Won Joon, Chung Chin Youb, Seo Jeong Kee, Choi In Ho
Аннотация
BACKGROUND: Arthrogryposis-Renal dysfunction-Cholestasis (ARC) syndrome (MIM♯208085) is a rare multisystem disorder, which involves the kidney, liver, skin, and central nervous and musculoskeletal systems. It is inherited as an autosomal-recessive trait, associated with germ-line mutations in the VPS33B gene. In this study, the authors reviewed the orthopaedic manifestations of ARC syndrome.
MATERIALS: Ten patients diagnosed as having ARC syndrome were the subjects of this study. ARC syndrome was confirmed by mutation analysis in 8 of the 10 patients. Medical records and radiographs were retrospectively reviewed with a focus on musculoskeletal manifestations.
RESULTS: Seven patients either expired at 4 to 19 months of age or were presumed to have expired. The remaining 3 patients remained alive at the time of writing this manuscript and were aged from 7 to 23 months. All patients showed musculoskeletal symptoms and/or signs, which included vertical talus (7 feet, 4 patients), pes calcaneovalgus (4 feet, 3 patients), hip dislocation (6 hips, 3 patients), pathologic fractures (5 fractures in 5 patients), and rigid kyphosis (2 patients). No surgical intervention was performed. Orthopaedic treatments, other than fracture management, were abandoned soon after diagnoses were made.
CONCLUSIONS: ARC syndrome should be included in the differential diagnosis of arthrogryposis. As there is no specific effective treatment for renal dysfunction and cholestasis, orthopaedic intervention should be postponed until long-term survival is expected, though this is unlikely.
LEVEL OF EVIDENCE: Level IV, diagnostic studies, case series.
MATERIALS: Ten patients diagnosed as having ARC syndrome were the subjects of this study. ARC syndrome was confirmed by mutation analysis in 8 of the 10 patients. Medical records and radiographs were retrospectively reviewed with a focus on musculoskeletal manifestations.
RESULTS: Seven patients either expired at 4 to 19 months of age or were presumed to have expired. The remaining 3 patients remained alive at the time of writing this manuscript and were aged from 7 to 23 months. All patients showed musculoskeletal symptoms and/or signs, which included vertical talus (7 feet, 4 patients), pes calcaneovalgus (4 feet, 3 patients), hip dislocation (6 hips, 3 patients), pathologic fractures (5 fractures in 5 patients), and rigid kyphosis (2 patients). No surgical intervention was performed. Orthopaedic treatments, other than fracture management, were abandoned soon after diagnoses were made.
CONCLUSIONS: ARC syndrome should be included in the differential diagnosis of arthrogryposis. As there is no specific effective treatment for renal dysfunction and cholestasis, orthopaedic intervention should be postponed until long-term survival is expected, though this is unlikely.
LEVEL OF EVIDENCE: Level IV, diagnostic studies, case series.