Key result
Improper insertion angle of knotless suture anchors during arthroscopic rotator cuff repair resulted in intra-articular protrusion in 1 reported case.
Case Report (n=1)
Highlights the risk of intra-articular protrusion of knotless anchors in rotator cuff repair due to device length and insertion angle.
Surgeons should verify knotless anchor trajectory to avoid protrusion; one case leaves open true incidence and optimal technique.
The advent of new arthroscopic devices has led to the development of novel techniques of arthroscopic rotator cuff repair. However, failure to recognize specific technical aspects and improper application of these devices can lead to complications. We report a case of intra-articular protrusion of knotless anchors (PEEK PushLock SP, 4.5 x 18.5 mm; Arthrex, Naples, FL), used in the lateral row of a suture-bridging technique for arthroscopic rotator cuff repair. This case draws attention to the increased length of such devices when compared with traditional suture anchors, the technical aspects of proper device use, the possible patient-related factors such as implant-patient size mismatch, and the importance of additional imaging for the investigation of failure to progress postoperatively.
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Wong et al. (2009) conducted a case report in Rotator cuff tear (n=1). Knotless suture anchors (PEEK PushLock SP) was evaluated on Intra-articular protrusion. Improper insertion angle of knotless suture anchors during arthroscopic rotator cuff repair resulted in intra-articular protrusion in 1 reported case.
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