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CASE: We report the failure of a routine arthrotomy repair following knee arthroplasty. Five additional cases of arthrotomy failure occurred within a 14-month period during which a specific unidirectional knotless barbed suture device had been used for arthrotomy closure. CONCLUSION: Additional study on larger cohorts may be useful to understand the effectiveness of barbed suture for arthrotomy closure in knee arthroplasty.

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Proximal adductor injuries are relatively common groin injuries in athletes. Various tenotomy techniques have been described including open, partial, and percutaneous approaches. Current techniques help most athletes return to sport; however, many develop adductor weakness. Moreover, the procedures lack full visualization of the tendon and do not allow for return to athletes' preinjury level of play. We describe an endoscopic z-lengthening of the proximal adductor tendon with the potential to minimize complications associated with open procedures such as incisional pain and neurovascular injury while affording a more complete tenotomy than current percutaneous techniques. This is a safe and reproducible technique that allows for release of tension as a result of pathologic adductor tendon pathologies.

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BACKGROUND: Sports-related groin injuries are common among athletes. However, traumatic proximal adductor avulsion injuries are relatively rare groin injuries in the athletic population, with limited case reports describing suture anchor repair. PURPOSE: To report on the outcomes of surgical reattachment of proximal adductor avulsion injuries in athletes utilizing a suture anchor repair technique. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Prospective data were collected on patients undergoing surgical reattachment of proximal adductor avulsion injuries from December 2012 to May 2015 by a single surgeon. Six athletes presented after a traumatic sports-related injury with disabling groin pain, adductor weakness, and magnetic resonance imaging confirmation of fibrocartilage avulsion of the proximal adductor with retraction. Patient-reported outcomes (Hip Outcome Score-Activities of Daily Living [HOS-ADL] and Hip Outcome Score-Sport Specific [SS] subscales, modified Harris Hip Score [mHHS], and visual analog scale [VAS] for pain) were collected preoperatively and at a minimum 2-year follow-up. RESULTS: The latest follow-up of each patient averaged 33.4 months postoperatively (range, 25-42.5 months). All patients returned to sporting activities, with 1 minor wound complication that resolved. Paired-samples t tests indicated that the mean latest postoperative scores for all patients were significantly better than their mean preoperative scores (HOS-ADL: 99.0 vs 43.2, HOS-SS: 98.9 vs 8.3, and mHHS: 97.1 vs 44.6, respectively; P < .001 for all). Similarly, there was a significant improvement in mean postoperative VAS scores for all patients (from 89.2 to 2.2; P < .001). CONCLUSION: Patient-reported outcomes offer an objective measure of hip function and pain control. Surgical reattachment utilizing a multiple suture anchor technique is a successful procedure that allows for a safe return to athletic performance and a predictable return to sport.