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Surgical hip dislocation shows an 8.5% early complication rate

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LAS VEGAS — A new multicenter study involving seven North American centers shows a low early complication rate following surgical hip dislocation.

In a retrospective chart analysis conducted at seven North American treatment facilities, Ernest L. Sink, MD, and colleagues identified 329 patients who underwent surgical hip dislocation and met their study criteria. Of the 329 patients, the investigators discovered that 28 patients (8.5%) had reported complications within 12 months of their procedure.

They found that half of the complications (14) were asymptomatic heterotopic ossification. The other complications included trochanteric nonunion (5), trochanteric delayed union (2), calf deep vein thrombosis (2), superficial wound infection (2), deep wound infection (1), transient sciatic neuropraxia (1) and trochanteric fracture (1).

“There were no instances of osteonecrosis, femoral neck fracture or major nerve injuries,” Sink said during his presentation at the American Academy of Orthopaedic Surgeons 76th Annual Meeting. “All of the complications were treatable and not permanent.”

Although the investigators also found that the incidence of complications increased with older age and discovered a higher probability for having a complication in patients who had a labral or rim procedure, these findings did not reach statistical significance.

“Surgical hip dislocation is a safe procedure with a low complication rate that is uniform among multiple North American centers,” Sink said. “This information makes the argument for surgical hip dislocation as a safe and appropriate method used in treating multiple hip disorders.”

Reference:

• Sink EL, Sucato DJ, Kim Y, et al. Multicenter evaluation of early complications following surgical hip dislocation. Paper #102. Presented at the American Academy of Orthopaedic Surgeons 76th Annual Meeting. Feb. 25-27, 2009. Las Vegas.