Dataset Information

Suture Anchor Onlay Technique: Peroneus Longus Autograft Augmentation for Arthroscopic Irreparable Massive Rotator Cuff Tear Reconstruction.

ABSTRACT: Rotator cuff tears (RCTs) are common injuries, and treatments for irreparable massive RCTs are still controversial. Among the various treatment options for irreparable massive RCTs, rotator cuff reconstruction is considered a reasonable approach, yet there is no consensus on the optimal reconstruction technique. In this article, we introduce a suture anchor onlay technique for rotator cuff reconstruction. In our technique, the peroneus longus tendon is harvested and prepared as an autograft, and on the lateral side, a suture anchor is implanted to fix the autograft on the greater tuberosity surface. The key steps of our technique are performing anchor implantation to ensure that the autografts are fixed tightly on the greater tuberosity surface, knotting the sutures from the medial-row anchors that we pre-implanted at the midsubstance of the autograft to provide additional fixation, and finally, achieving "onlay" fixation of the autografts. Our technique can effectively reduce surgical time, simplify the reconstruction procedure, and has good clinical application value.

SUBMITTER: Li Y

PROVIDER: S-EPMC12420613 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature

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Suture Anchor Onlay Technique: Peroneus Longus Autograft Augmentation for Arthroscopic Irreparable Massive Rotator Cuff Tear Reconstruction.

Li Yi Y Yang Wenbo W Wu Fashuai F Peng Yizhong Y Meng Chunqing C Wang Hong H Huang Wei W

Arthroscopy techniques 20250623 8

Rotator cuff tears (RCTs) are common injuries, and treatments for irreparable massive RCTs are still controversial. Among the various treatment options for irreparable massive RCTs, rotator cuff reconstruction is considered a reasonable approach, yet there is no consensus on the optimal reconstruction technique. In this article, we introduce a suture anchor onlay technique for rotator cuff reconstruction. In our technique, the peroneus longus tendon is harvested and prepared as an autograft, and ...[more]

PMID: 40936548

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Project description:Myosteatosis is the pathological accumulation of lipid that occurs in conjunction with atrophy and fibrosis following skeletal muscle injury or disease. Little is known about the mechanisms by which lipid accumulates in myosteatosis, but many studies have demonstrated the degree of lipid infiltration negatively correlates with muscle function and regeneration. Our goal was to identify biochemical pathways that lead to muscle dysfunction and lipid accumulation in injured rotator cuff muscles, a model that demonstrates severe myosteatosis. Adult rats were subjected to a massive tear to the rotator cuff musculature. After a period of either 0 (healthy control), 10, 30, or 60 days, muscles were prepared for RNA sequencing, shotgun lipidomics, metabolomics, biochemical measures, electron microscopy, and muscle fiber contractility. Following rotator cuff injury, there was a decrease in muscle fiber specific force production that was lowest at 30d. There was a dramatic time dependent increase in triacylglyceride content. Interestingly, genes related to not only triacylglyceride synthesis, but also lipid oxidation were largely downregulated over time. Using bioinformatics techniques, we identified that biochemical pathways related to mitochondrial dysfunction and reactive oxygen species were considerably increased in muscles with myosteatosis. Long chain acyl-carnitines and L-carnitine, precursors to beta-oxidation, were depleted following rotator cuff tear. Electron micrographs showed injured muscles displayed large lipid droplets within mitochondria at early time points, and an accumulation of peripheral segment mitochondria at all time points. Several markers of oxidative stress were elevated following rotator cuff tear. The results from this study suggest that the accumulation of lipid in myosteatosis is not a result of canonical lipid synthesis, but occurs due to decreased lipid oxidation in mitochondria. A failure in lipid utilization by mitochondria would ultimately cause an accumulation of lipid even in the absence of increased synthesis. Further study will identify whether this process is required for the onset of myosteatosis.

Dataset Information

Suture Anchor Onlay Technique: Peroneus Longus Autograft Augmentation for Arthroscopic Irreparable Massive Rotator Cuff Tear Reconstruction.

Publications

Suture Anchor Onlay Technique: Peroneus Longus Autograft Augmentation for Arthroscopic Irreparable Massive Rotator Cuff Tear Reconstruction.

Similar Datasets

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