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Southern hip exposure.

The efficacy of the posterior approach to the hip was analyzed in a retrospective study of 168 consecutive procedures performed by the author. Surgical technique is redefined historically and described in detail. Results are studied in two subgroups of hip surgery patients: endoprosthetic replacement (98) and total joint replacement (70). The factors evaluated were surgical time and blood loss, morbidity (dislocation, infection, pain, and limp), mortality, and complications of surgery. The posterior approach to the hip allowed excellent exposure without transecting tissue planes and creating dead spaces. Operative time averaged less than one hour for all cases, and blood loss, less than 500 cc. The four dislocations that occurred postoperatively were in patients with pre-existing flexion contractures. One superficial infection was noted but there was no increase in morbidity due to pain, limp, or loss of motion. Two total joint replacements were complicated by hematoma formation but occurred in patients who had extensive capsule resection and acetabuloplasty. Excellent and rapid exposure with minimal soft tissue destruction or blood loss coupled with few postoperative complications should encourage orthopedic surgeons to include the posterior approach in their treatment of hip problems.