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Minimally invasive approach may offer safe, acceptable alternative for THA
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Researchers found posterior total hip arthroplasty performed with a minimally invasive approach appeared to provide a safe and acceptable alternative to the standard incision posterior approach.
The researchers included 12 randomized, controlled trials and four non-randomized trials comparing the standard posterior or mini-incision posterior approach among 1,498 total hip arthroplasties (THAs) for the treatment of degenerative hip disease.
Primary outcome measure included dislocation of the prosthetic hip joint, and secondary outcome measures included operating time, length of hospital stay, intraoperative blood loss, total perioperative blood loss, postoperative Harris Hip Score, WOMAC score, intraoperative femoral fracture, nerve injury infection and thromboembolic events.
Study results showed the mini-posterior approach reduced operating time by a mean of 3 minutes and 24 seconds per case. Compared with the standard approach, the mini-posterior approach was also associated with an early improvement in Harris Hip Score of 1.8 points, a reduced length of stay by a mean of 14 hours, and reduced intraoperative and total blood loss.
The researchers found no statistically significant differences in the incidence of dislocation, nerve injury, infection or venous thromboembolic events.
Disclosures: Berstock received research support from DePuy. Blom is on the speakers’ bureau for Spimaco, received research support from DePuy and is a board member of the European Orthopaedic Research Society.
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