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Trauma

CLOSED FEMORAL SHORTENING USING THE INTRAMEDULLARY SAW: A CONSECUTIVE SERIES WITH CLINICAL OUTCOMES AND PRACTICAL TIPS

British Limb Reconstruction Society (BLRS) AGM & Instructional Course



Abstract

Background:

Closed femoral shortening (CFS) is a recognised procedure for managing leg length discrepancy (LLD).

Method:

We report twenty-nine consecutive patients with LLD who underwent CFS using an intramedullary saw and nail. Mean age was 29.2 years (16.1–65.8). The primary outcome was accuracy of correction. Secondary outcomes were complications, union, ASAMI score and re-operation, alongside Patient Reported Outcome Measures (PROMs), using EQ5D-5L and GROC.

Results:

Mean pre-operative limb length discrepancy was 3.4 cm (1.5–6.5). Mean planned and achieved shortening was 2.9 cm (1.7–5.0). Mean follow-up was 2.0 years (0.2–8.4). Minimal access surgery was possible in all cases but careful technique is essential. All patients achieved a correction within 5mm of the planned shortening (range 0–5mm). 28 patients (97%) achieved uncomplicated union. One patient had a non-union requiring exchange nailing and subsequent compression plating. 13 patients had nail removal at a mean of 1.7 years and 3 had locking screw removal. Patients had an overall positive experience with 81% reporting high PROM scores.

Discussion:

This technique offered accurate limb length correction with few complications. Patients rehabilitated well with good functional outcomes.

Conclusion;

CFS with an intramedullary saw is a well-tolerated and effective technique when managing LLD up to 5cm.