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Systematic review INTRODUCTION: Early active mobilization (EAM) of tendon repairs is preferred to immobilization or passive mobilization. Several EAM approaches are available to therapists; however, the most efficacious for use after zone IV extensor tendon repairs has not been established. To determine if an optimal EAM approach can be identified for use after zone IV extensor tendon repairs based on current available evidence. Database searching was undertaken on May 25, 2022 using MEDLINE, Embase, and Emcare with further citation searching of published systematic/scoping reviews and searching of the Australian New Zealand Clinical Trials Registry, ClinicalTrials.gov, and the Cochrane Central Register of Controlled Trials. Studies involving adults with repaired finger zone IV extensor tendons, managed with an EAM program, were included. Critical appraisal using the Structured Effectiveness Quality Evaluation Scale was performed. Eleven studies were included, two were of moderate methodological quality, and the remainder was low. Two studies reported results specific to zone IV repairs. Most studies utilized relative motion extension (RME) programs; two utilized a Norwich program, and two other programs were described. High proportions of "good" and "excellent" range of motion (ROM) outcomes were reported. There were no tendon ruptures in the RME or Norwich programs; small numbers of ruptures were reported in other programs. The included studies reported minimal data on outcomes specific to zone IV extensor tendon repairs. Most studies reported on the outcomes for RME programs which appeared to provide good ROM outcomes with low levels of complications. The evidence obtained in this review was insufficient to determine the optimal EAM program after zone IV extensor tendon repair. It is recommended that future research focus specifically on outcomes of zone IV extensor tendon repairs. I. |
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