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. 2021 Jul;37(7):2152-2161.
doi: 10.1016/j.arthro.2021.02.016. Epub 2021 Feb 20.

Complications of Hip Endoscopy in the Treatment of Subgluteal Space Pathologies

Bernardo Aguilera-Bohórquez  1 , Julio Pacheco  2 , Lizardo Castillo  2 , Daniela Calvache  3 , Erika Cantor  4
Affiliations

Complications of Hip Endoscopy in the Treatment of Subgluteal Space Pathologies

Bernardo Aguilera-Bohórquez et al. Arthroscopy. 2021 Jul.

Abstract

Purpose: To assess complications of hip endoscopy in patients with subgluteal space pathologies.

Methods: This was a retrospective study of patients diagnosed with sciatic nerve entrapment (SNE), ischiofemoral impingement (IFI), and rupture of the proximal origin of the hamstring muscles (RHM) who underwent a hip endoscopy from January 2012 to December 2018, after a minimum of 3 months of conservative management without satisfactory results. Complications were documented and graded using the adapted system of Clavien-Dindo. Revision surgeries were classified as treatment failures. Function was evaluated by the Western Ontario McMaster Universities Osteoarthritis Index before and 12 months after the surgical procedure.

Results: A total of 97 hips with subgluteal space pathologies were treated with hip endoscopy. This total consisted of 77 hips with SNE, 5 with IFI, 12 with SNE + IFI, and 3 hips with RHM. Minor (Clavien-Dindo I-II) and major (Clavien-Dindo III-V) complications occurred in 7.22% (7) (95% confidence interval 3.54%-14.15%) and 12.37% (12) (95% confidence interval 7.22%-20.39%). Grade II, III, and IV complications were reported in 7.22% (7), 7.22%, and 5.15% (5) hips, respectively. Temporary nerve injury of the sciatic nerve, hematoma, and permanent nerve injury of the posterior femoral cutaneous nerve were the most common grade II, grade III, and grade IV complications, respectively. The revision rate was 6.19% (6) and entrapment of the sciatic nerve was the main cause of reoperation. No statistically significant differences were found between cases with and without complications in the Western Ontario McMaster Universities Osteoarthritis Index scores evaluated before and after surgery (P > .05).

Conclusions: A high rate of complications associated with hip endoscopy were observed in patients with SNE, IFI, and RHM. Sciatic nerve and posterior femoral cutaneous nerve injury were the most frequent events.

Level of evidence: IV, case series type.

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