ArticleJournal of clinical orthopaedics and trauma2019
A novel single myocapsular sleeve (SMS) repair technique to reduce dislocation in posterior approach to the hip: A clinico-radiographic study.
Article in Journal of clinical orthopaedics and trauma, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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- Erratum issued
- Erratum issued
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6 authors.
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Abstract
backgroundTo assess a new modification of posterior approach to the hip and its effect on stability and functional outcome in total hip arthroplasty. MATERIAL &
methodsA comparative retrospective study was done to assess the functional outcome and rate of dislocation among 233 hips (Group A) operated by conventional posterior approach and 567 hips (Group B) by our novel modified posterior approach. In this technique, 2-3 stay sutures are applied in external rotators, then a single conjoint-myocapsular sleeve is raised linearly over the capsule with adherent fibers of gluteus minimus to piriformis tendon, short rotators and part of quadratus for exposure of femoral head. After inserting the definite prosthesis, upper part of sleeve (capsule, piriformis tendon) is sutured at the lower part of tip of greater trochanter & lower part with lateral trochanteric bone. Fifty patients, using randomised tables, in group B underwent MRI to evaluate the efficacy of the repair at 1 and 12 weeks postoperatively.
resultsAverage Harris hip score at minimum 3.9 year follow up was 83.2 in Group A & 88.7 in Group B. Group B had only one dislocation (0.176%) while Group A had 12 dislocations (5.15%). MRI showed intact repair in 47 patients (94%); fibrous continuity in 2 patients (6%) in group B patients.
conclusionIntermediate results shows that this technique provides enhanced stability and improved functional outcome. But more prospective and randomised controlled studies with long term followup are required to confirm its role in prevention of hip dislocations.
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