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General Orthopaedics

THE SUPERIOR APPROACH ACCORDING TO MURPHY INCIDES THE CAPSULE MINIMALLY AND PRESENTS AN ALTERNATIVE TO STANDARD LESS INVASIVE APPROACHES IN THA

The International Society for Technology in Arthroplasty (ISTA), 29th Annual Congress, October 2016. PART 4.



Abstract

The technique involves inserting the femoral and acetabular components anterior to the posterior capsule and short rotators and posterior to the gluteus medius and minimus through an incision in the superior capsule. The surgery is performed with the femoral component instrumented before femoral neck osteotomy and head removal. The femur remains steady during the femoral instrumentation. Leverage retractors around the neck are easy to hold and to maintain exposure. The integrity of the capsule is used to assess length and offset. During the procedure the hip is never disarticulated, and the leg is never placed outside of the range of motion envelope of the normal hip.

The technique has found astonishingly few users over the past ten years. Many surgeons are not aware of this technique and clinical results are scarce. The purpose of this paper is recall it to memory, to compare it with other less invasive procedures, and to report on some remarkable clinical results including stability, leg length and offset equality, component positioning, muscle force generation and complications.


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