• Konosuke Yamaguchi, Yoshio Kaji, Osamu Nakamura, Sachiko Tobiume, Yumi Nomura, Kunihiko Oka, Takahiro Negayama, and Tetsuji Yamamoto.
• Department of Orthopaedic Surgery, Faculty of Medicine, Kagawa University, Miki-Cho, Japan.
• Medicine (Baltimore). 2022 Aug 19; 101 (33): e30107e30107.

AbstractIn the surgical management of Dupuytren contracture (DC), Y-V plasty (YV) and Z-plasty (ZP) are techniques often used for skin extension. However, achieving sufficient skin extension with these procedures alone is often difficult. Therefore, we addressed this issue with an adjunctive digito-lateral flap (DLF) and report the clinical results of the surgery using a DLF in addition to YV and ZP. Fifteen patients with DC (15 affected fingers) underwent partial fasciectomy using a DLF in addition to YV or ZP, and early active finger extension training was performed immediately after the operation. The flap survival rate, preoperative and postoperative extension angle, Tonkin contracture improvement (TCI) rate, and Tubiana staging grades were evaluated. The contracture sites were at 4 proximal interphalangeal (PIP) and 3 metacarpophalangeal (MP) joints of the little finger and 4 PIP and MP joints each of the ring and little fingers. All the flaps survived, and the extension angle improved at the final observation from a preoperative mean of -45° to -3° and -55° to 5° for the PIP and MP joints, respectively. One patient with PIP joint contracture treated in the early stage of the study experienced a persistent 5° limitation of extension, even though the TCI rate was satisfactory (91.9%) and the outcome was "good." Full extension of the joints was achieved in 15 patients, in whom the TCI rate was 100% and the outcome was "very good." This technique was able to solve 3 important steps to achieve full extension: intraoperatively, wound closure, and rehabilitation. We attained and maintained long-term full extension intraoperatively and immediately after surgery and obtained very good treatment results, as shown in this study. In conclusion, highly favorable clinical outcomes were achieved through the combination of a DLF with YV and ZP. Skin extension with a DLF is a useful surgical technique for DC.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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