期刊
HAND CLINICS
卷 35, 期 3, 页码 353-+出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.hcl.2019.03.012
关键词
Avascular necrosis; Distal radius bone graft; Pedicled bone flap; Preiser disease; Pronator quadratus; Scaphoid fracture; Scaphoid nonunion; Vascularized bone flap
类别
Vascularized bone flaps (VBFs) improve union rates for scaphoid nonunions compared with nonvascularized grafts. Volar VBFs are indicated in cases of scaphoid nonunion with avascular necrosis and/or humpback deformity. Four volar VBFs are described in this article. The volar carpal artery and pronator quadratus VBFs are most commonly used. The pisiform VBF can be used for replacement of the proximal pole of the scaphoid; it is covered by articular cartilage. The ulna VBF has greater donor morbidity; the ulnar artery is harvested and a palpable donor site deformity results.
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