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Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_3 | Pages 7 - 7
1 Apr 2018
Hafez M Cameron R Rice R
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Keywords. Complete Abductor Detachament, Direct Lateral Approach, Abductor Insuffenciency, Hip Arthroplasty. Backgroung. Approach of Total hip replacement (THR) is a very important part of the surgery, the approach dictates the postoperative complications. Lateral approach is one of the most commonly used approaches. The initial lateral approach relied on bony (trochanteric) osteotomy which was later modified to tendon detachment, there are many versions of the lateral approach but the main goal is to detach the hip abductors mechanism to gain access to the underlying joint. One of the modifications is to completely detach the abductors tendon, this offers superior exposure compared to the traditional partial detachment (Hardinge) approach. Objectives. We aimed to perform the first study comparing the complications rate following complete detachment of hip abductors to the documented complications rate of the traditional approach. Study Design & Methods. Retrospective study to evaluate the rate of approach specific complications following complete abductor detachment approach, we included s all patients who had THR using this approach 8–18 months ago. The study group comprised of 44 patients of different age groups and genders. Patients were reviewed to assess gait abnormality, abductor weakness with Trendlenberg test, lateral trochanteric pain (LTP) and heterotopic ossification (H.O). Results. Out of the 44 patients in our study group 20 patients had abductor weakness with positive Trendelnberg test (45.5%) while the reported percentage of abductor weakness following the traditional approach is 4–20%.7 patients (15%) were dissatisfied with the postoperative gait. LTP was reported in 5 patients (11%) compared to 4.9% associated with standard lateral approach. In our series 9 (20.4%) patients had H.O which is within the acceptable range (up to 25%). Conclusions. Complete abductor detachment approach offers better exposure and quicker alternative to the traditional lateral approach of the hip (Hardinge) but on the other hand it has relatively higher complication rate