This report describes the arthroscopic transtibial pullout repair technique using multiple simple stitch (MSS), which was used to treat a medial meniscus posterior root tear (MMPRT) of the knee. The most commonly used technique to address this type of MMPRT is currently arthroscopic transtibial pullout repair. MSS pullout repair technique can provide excellent pullout strength and large tissue-bone contact area, which facilitates successful healing potential. This MSS pullout repair technique may be suggested as another useful option that can be used in the treatment of MMPRT.
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http://dx.doi.org/10.1016/j.eats.2024.102952 | DOI Listing |
JBJS Essent Surg Tech
December 2024
Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut.
Background: For complete disruption of the posterolateral corner (PLC) structures, operative treatment is most commonly advocated, as nonoperative treatment has higher rates of persistent lateral laxity and posttraumatic arthritis. Some studies have shown that acute direct repair results in revision rates upwards of 37% to 40% compared with 6% to 9% for initial reconstruction. In a recent study assessing the outcomes of acute repair of PLC avulsion injuries with 2 to 7 years of follow-up, patients with adequate tissue were shown to have a much lower failure rate than previously documented.
View Article and Find Full Text PDFCureus
November 2024
Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, JPN.
Purpose: Medial meniscus (MM) posterior root tears (PRT) cause pathological medial extrusion (MMME) and posterior extrusion (MMPE), particularly during knee flexion, leading to rapidly progressive knee osteoarthritis. We investigated pre- and postoperative MM extrusion using three-dimensional open magnetic resonance imaging (MRI) following two pullout repair techniques: two simple stitches (TSS) and TSS with an additional all-inside suture to the posteromedial capsule (TSS-PM). We hypothesized that TSS-PM would decrease MM extrusion more effectively than TSS.
View Article and Find Full Text PDFJ Exp Orthop
October 2024
Department of Orthopaedic Surgery, Faculty of Medicine, Dentistry, and Pharmaceutical Sciences Okayama University Okayama Japan.
Purpose: The effect of quadriceps muscle strength on medial joint space (MJS) narrowing after repair for medial meniscus (MM) posterior root tears (MMPRTs) has not yet been determined. This study aimed to evaluate the effect of preoperative and postoperative quadriceps muscle strength on the change in MJS (ΔMJS) in MMPRTs.
Methods: Thirty patients who underwent pullout repair for MMPRTs were retrospectively evaluated.
Asia Pac J Sports Med Arthrosc Rehabil Technol
January 2025
Sports Medicine Institute of Fudan University, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, 200040, PR China.
Purpose: To use a finite element method to construct a patch-bridge repair model for massive rotator cuff tears (MRCTs) and investigate the effects of different suture methods and knot numbers on postoperative biomechanics.
Methods: A finite element model based on intact glenohumeral joint data was used for a biomechanical study. A full-thickness defect and retraction model of the supraspinatus tendon simulated MRCTs.
J Neural Eng
December 2024
Department of Plastic Surgery, University of Pittsburgh, Pittsburgh, PA, United States of America.
Peripheral nerve injuries (PNI) represent the most common type of nervous system injuries, resulting in 5 million injuries per year. Current gold standard, autografts, still carry several limitations, including the inappropriate type, size, and function matches in grafted nerves, lack of autologous donor sites, neuroma formation, and secondary surgery incisions. Polymeric nerve conduits, also known as nerve guides, can help overcome the aforementioned issues that limit nerve recovery and regeneration by reducing tissue fibrosis, misdirection of regenerating axons, and the inability to maintain long- distance axonal growth.
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