Biomechanical comparison of all-inside meniscal suture configurations for posterior root tear: Three conventional stitches versus delta-grip stitch.
biomechanical · Level V
Where this comes from
- Record sourced from PubMed, PMID 39845700.
- Also identified by DOI 10.1002/jeo2.70149 and PMC identifier 11751621.
- Licence recorded as CC BY.
- The licence permits redistribution, so the abstract is shown in full and the full text is available from the publisher.
Abstract
This study aimed to compare the biomechanical properties of four meniscal suture configurations-two simple sutures (TSS), two cinch sutures, a locking loop stitch (LLS), and a delta-grip stitch (DGS)-for transtibial pullout repair of medial meniscus posterior root tears (MMPRTs) using porcine menisci. Forty porcine menisci were randomly assigned to each suture configuration with all-inside repair. All specimens were subjected to cyclic loading for 1000 cycles, followed by a load-to-failure test. We evaluated displacement after cyclic loading, the ultimate failure load and the mode of failure. No significant differences in displacement were observed between the configurations (<i>p</i> = 0.709). The DGS exhibited significantly higher ultimate failure loads (281.4 ± 53.5 N) compared to TSS (166.8 ± 84.5 N) and the LLS (119.7 ± 46.7 N) (<i>p</i> = 0.006 and <i>p</i> < 0.001, respectively). Suture breakage was observed in the DGS group, while meniscus cutout was observed in the other suture configuration models. The results suggest that the DGS provides superior fixation strength and enhances MMPRT repair outcomes. Level IV.