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Case Reports
. 2022 Jun 9;2022(6):rjac167.
doi: 10.1093/jscr/rjac167. eCollection 2022 Jun.

Repair of patellar tendon rupture after total knee arthroplasty using knotless suture bridge technique: a case report

Toshihiro Seki  1 , Eiichi Shiigi  2 , Kazushige Seki  1 , Koji Yoshida  2 , Tomoya Okazaki  2 , Kazuya Uehara  2 , Hiroshi Tanaka  2 , Takashi Sakai  1
Affiliations
Case Reports

Repair of patellar tendon rupture after total knee arthroplasty using knotless suture bridge technique: a case report

Toshihiro Seki et al. J Surg Case Rep. .

Abstract

Few studies have reported on the use of knotless suture anchors to treat patellar tendon rupture from tibial tuberosity after total knee arthroplasty (TKA). We report a case of patellar tendon rupture in an 82-year-old female. She fell 8 weeks after bilateral TKA and presented with a patellar tendon rupture. A knotless suture anchor and a fully threaded Twist-In knotless anchor with flat-braided suture were used to repairing the patellar tendon. Complications related to the extension mechanism after TKA can lead to disastrous consequences. This surgical procedure is a safe and good treatment option to repair patellar tendon rupture after TKA.

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Figures

Figure 1
Figure 1
X-ray examination showed a patellar alta.
Figure 2
Figure 2
The patellar tendon was found to be ruptured and completely detached from the tibial tuberosity.
Figure 3
Figure 3
The patellar tendon was completely detached from the tibial tuberosity, and Krakow sutures were applied to both sides of the tendon using flat-braided sutures.
Figure 4
Figure 4
The flat-braided sutures were fixed to the tibial tuberosity using a fully threaded Twist-In knotless anchor (SwieveLock®); after pulling the tendon to the tuberosity, it was fixed with two anchors on both sides of the tuberosity.
Figure 5
Figure 5
X-ray, 3 months post-operatively, did not show any patellar alta.
See this image and copyright information in PMC

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