Wound dehiscence after THA may not increase risk of revision, infection
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GRAPEVINE, Texas — Despite a higher risk of superficial wound dehiscence found among female patients and patients with higher BMI after total hip arthroplasty, results showed these patients had no increased risk of revision or infection.
“I think we can reassure our patients that, despite the wound complications, that they have a high chance of success with their primary total hip arthroplasty,” Michael J. Taunton, MD, said during his presentation at the American Association of Hip and Knee Surgeons Annual Meeting.
Taunton and colleagues retrospectively reviewed 3,687 patients who underwent primary THA performed with the direct anterior approach between 2010 and 2019 for superficial wound dehiscence. Overall, Taunton noted an incidence of superficial wound dehiscence of 2.7% that required intervention.
“Fifty-six of those patients were managed conservatively, meaning they were treated with local wound care and antibiotics,” Taunton said. “Forty-two patients underwent a surgical procedure of irrigation and debridement.”
Wound dehiscence occurred at a median of 27 days postoperatively, according to Taunton. He added male sex had a slightly protective effect for wound dehiscence, while patients with increased BMI had a significant increased risk for superficial dehiscence.
“After multivariable Cox regression analysis, the survivorship free of wound complications was 97.2% at all time points,” Taunton said.
Patients with and without superficial wound dehiscence had no differences in 4-year survivorship free of subsequent complication, with 90% for patients without wound dehiscence and 95.1% for patients with wound dehiscence, according to Taunton.
Further, Taunton said there was no difference with the no dehiscence group at 97.8% vs. the dehiscence group at 96.5% in regard to survivorship free of non-irrigation and debridement reoperation.
As far as survivorship free of revision, there was again no difference between the no dehiscence group at 98.4% vs. the dehiscence group at 96.5%, according to Taunton.
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Wilson JM, et al. Paper 11. Presented at: American Association of Hip and Knee Surgeons Annual Meeting; Nov. 3-6, 2022; Grapevine, Texas.
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