Meta-analysis of the therapeutic effect of superficial palmar branch of radial artery flap and venous flap in repairing soft tissue defects of fingers

Corresponding author: WangXin, dr.wangxin@hotmail.com

DOI: 10.12201/bmr.202601.00091

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  Abstract: Objective To evaluate the clinical efficacy of superficial palmar branch of radial artery flap (SPBRAF) and arteriovenous flap (AVF) in repairing finger soft tissue defects through a Meta-analysis, and to analyze the existing clinical research evidence to provide a reference for clinical physicians when choosing a flap for finger skin defect repair. Methods Relevant literature comparing the efficacy of SPBRAF and AVF in repairing finger defects from January 1, 2000 to June 30, 2024 was retrieved from PubMed, Embase, Cochrane Library, Web of Science, CNKI, Wanfang, and VIP databases. The literature was screened and extracted according to the inclusion and exclusion criteria, and a Meta-analysis was conducted using RevMan 5.4 software. The outcomes included flap survival rate, operation time, finger range of motion, finger sensory recovery, and complication rate. Results A total of 10 studies were included, involving 539 cases. Among them, 272 cases were repaired with SPBRAF and 267 cases with AVF. The Meta-analysis results showed that the flap survival rate was higher in the SPBRAF group OR: 4.37, 95% CI: (2.03, 9.41), Z = 3.77, P = 0.0002, finger range of motion was better OR: 5.58, 95% CI: (2.71, 111.48), Z = 4.66, P < 0.00001, finger sensory recovery was better MD: -0.96, 95% CI: (-1.52, -0.39), Z = 3.33, P = 0.0009, OR: 5.58, 95% CI: (2.71, 111.48), Z = 4.66, P < 0.00001, and the complication rate was lower OR: 0.48, 95% CI: (0.24, 0.95), Z = 2.12, P = 0.03. The operation time was shorter in the AVF group MD: 14.88, 95% CI: (7.10, 22.66), Z = 3.75, P = 0.0002. All differences were statistically significant (P < 0.05). Conclusion Both SPBRAF and AVF can be used in the clinical repair of finger soft tissue defects, but SPBRAF has better efficacy, while AVF is more convenient. Future studies with larger sample sizes and higher quality are still needed for comprehensive and further evaluation.

  Key words: Superficial palmar branch of radial artery flap; Arteriovenous flap; Finger skin and soft tissue defect; Meta-analysis

  Submit time: 30 January 2026

  Copyright: The copyright holder for this preprint is the author/funder, who has granted biomedRxiv a license to display the preprint in perpetuity.
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