PubMed · 3471922
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D G Nuelle. 1987. Caution with arthroscopic surgery.. https://doi.org/10.1016/0278-2391(87)90002-4
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INTRODUCTION: The goal of this study is to determine whether suturing is superior to non-closure in terms of the subjective long-term outcome in large rotator cuff tears. MATERIALS AND METHODS: A total of 64 shoulders with rotator cuff tears of at least 3 cm diameter and followed up for a mean period of 5 years and 8 months were retrospectively examined. The patients' medical history, clinical findings, radiographs and Constant scores were studied. Patients whose tears had been closed with an open suture (n=33) were compared with those whose tears had not been closed (n=31). RESULTS: Neither the comparison between open suturing and debridement nor that between open and arthroscopic debridement reveal a significant difference with regard to the overall Constant score or the individual parameters. CONCLUSION: These results suggest that in the long-term, suturing of large rotator cuff tears is not superior to debridement.
Our aim was to identify alternative suture materials that might provide superior knot performance and equivalent ease of manipulation by means of an in vitro experimental study. Although used widely for arthroscopic shoulder stabilisation, absorbable poly( p-dioxanone) (PDS) monofilament sutures can lead to dehiscence and clinical failure due to knot slippage and/or loop elongation at low applied loads. With the objective of identifying alternative suture materials that might provide superior knot performance and equivalent ease of manipulation, an in vitro experiment was undertaken in which both Duncan and Snyder knotted loops were tied from four different suture materials using an arthroscopic knot pusher (Surgeon's 6th Finger) and a wooden practice box (Arthrex). Three monofilament sutures, made from polypropylene (PROLENE), poly(glycolidetrimethylenecarbonate-co-dioxanone) (Biosyn) and PDS, and one braided polyester suture (SURGIDAC) were tested. Ease of manipulation was evaluated by measuring the time required to tie the knots, and the knot performance was assessed in terms of loop elongation and loop holding capacity by performing cyclic fatigue testing of the loops while they were immersed in saline on an INSTRON mechanical tester. The PROLENE and SURGIDAC sutures showed improvements in loop elongation and loop holding capacity over PDS, with the Snyder knots being consistently superior to Duncan knots. BIOSYN gave no improvement over PDS. Difficulties were encountered in advancing half-hitch throws of the braided SURGIDAC suture down the cannula, which resulted in longer knotting times. In conclusion, both the polypropylene and polyester sutures gave superior knot performance to PDS, but only the polypropylene gave equivalent ease of manipulation. As a result there may be clinical advantages in replacing PDS with monofilament polypropylene or braided polyester sutures for certain arthroscopic procedures.
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