Abstract
Introduction:Flexor tendon injuries of the hand and wrist involve complete or partial severance of the tendon, and primary repair is standard treatment. In cases of significantly delayed presentation, rupture of the repair or segmental tendon loss may require 1- or 2-stage secondary tendon reconstruction where a tendon graft is used. There is a risk of poor functional outcome due to stiffness and reduced range of motion which may affect patient’s employment and activities of daily living. This study seeks to systematically evaluate the current evidence to determine outcomes of secondary flexor tendon reconstruction in terms of functional outcomes, complications, patient-reported outcome measures (PROMS) and costs.Methods:This is a PROSPERO registered study protocol for systematic review and meta-analysis of comparative and non-comparative studies. Outcomes of intrasynovial versus extrasynovial tendon grafting and seniority of the surgeon will be analysed in addition to comparing graft weaving at the wrist and palm for both single- and two-stage tendon reconstruction. The primary outcome is functional active range of motion. Secondary outcomes are complications, PROMs and resource use. A comprehensive literature search will be conducted from 2000 to present. All studies involving secondary flexor tendon repairs will be involved, without limitation on language, and will be screened by two independent reviewers. Tools to appraise the quality of study methodology and/or bias will be used (e.g., Cochrane Collaborative Risk of Bias tool) and if feasible, a random effects meta-analysis will be conducted.Ethics and dissemination:Ethical approval was not required for this study. The results of this systematic review and meta-analysis will be published in a peer-reviewed journal, and presented at both national and international conferences involving hand surgeons. The data collected will allow patients to be counselled more accurately by clinicians and may suggest areas where further research could be undertaken.Systematic review registration:PROSPERO CRD42021296009.HighlightsSingle- or two-stage secondary flexor tendon reconstruction is an important treatment modality in cases unsuitable for primary repair.This study seeks to systematically evaluate the current evidence to determine outcomes of secondary flexor tendon reconstruction in terms of functional. outcomes, complications, patient-reported outcome measures (PROMS) and costs.This is a PROSPERO registered study protocol for systematic review and meta-analysis of comparative and non-comparative studies.Outcomes of intrasynovial versus extrasynovial tendon grafting and seniority of the surgeon will be analysed in addition to comparing graft weaving at the wrist and palm for both single- and two-stage tendon reconstruction.This systematic review aims to evaluate and summarise the best current literature to determine outcomes of secondary flexor tendon reconstruction.
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