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Percutaneous Strain Reduction Screws Are a Reproducible Minimally Invasive Method to Treat Long Bone Nonunion

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Supplemental Digital Content is Available in the Text. Objectives: (1) Evaluate whether initial results from percutaneous treatment of nonunion are reproducible (2) Estimate the relative cost of percutaneous treatment of… Click to show full abstract

Supplemental Digital Content is Available in the Text. Objectives: (1) Evaluate whether initial results from percutaneous treatment of nonunion are reproducible (2) Estimate the relative cost of percutaneous treatment of nonunion versus traditional methods. Design: Retrospective multicentre case series. Setting: Four Level 1 trauma centers. Patients/Participants: Fifty-one patients (34 men and 17 women) with a median age of 51 years (range 14–81) were treated for nonunion at a median of 10 months (range 4–212) from injury. Intervention: Percutaneous strain reduction screws (PSRS). Main Outcome Measured: Union rates and time to union were compared for patients treated in the developing institution versus independent units as well as with previously published results. Results: Forty-five (88%) patients achieved union at a median time of 5.2 months (range 1.0–24.7) confirming the previously published results for this technique. Comparable results were seen between the developing institution and independent units. No patients experienced adverse events beyond failure to achieve union. PSRS seems to offer savings of between £3177 ($4416) to £11,352 ($15,780) per case compared with traditional methods of nonunion surgery. Conclusions: PSRS is a safe, efficacious treatment for long bone nonunion and may be more cost-effective than traditional nonunion treatment methods. The promising initial results of this technique have now been replicated outside of the developing institution. Level of Evidence: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.

Keywords: bone nonunion; percutaneous strain; strain reduction; nonunion; long bone; reduction screws

Journal Title: Journal of Orthopaedic Trauma
Year Published: 2022

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