Abstract
Background:Surgical procedures of the knee are commonly performed on youth athletes for a myriad of conditions. Restoration of motion is paramount following surgery and wound healing issues may arise. Studies have investigated wound closure technique and its’ effect on wound healing in arthroplasty, but there is a paucity of information in youth sports medicine.Purpose:To investigate wound healing following knee surgery as affected by smooth running monofilament versus barbed running knotless suture for subcuticular closure.Methods:A retrospective investigation was conducted of a single surgeon’s knee procedures between January 2013 to December 2020. Suture type for closure of the operative wound as well as any wound healing dilemmas (i.e., wound dehiscence and formal operative debridement) encountered during the post-operative period were recorded. The surgical procedure, perioperative antibiotics, wound lavage, dressing type and patient demographics were also recorded. Group 1 underwent subcuticular wound closure performed with a running smooth non-barbed monofilament suture and was compared to Group 2 where closure was performed with barbed monofilament suture. Exclusion criteria was a history of ipsilateral knee surgery and congenital syndromes. Statistical analysis was performed.Results:486 patients were identified of which 21 were excluded leaving 202 patients in Group 1 and 263 in Group 2. Average age was 15.8 years (range 10 to 25 years). 277 were female. Wound dehiscence occurred in 17 patients in Group 1 (8.42%) and 25 in Group 2 (9.51%) (p=0.684). Formal debridement was performed in 8 patients in Group 1 (3.96%) and 4 (1.52%) in Group 2 (p=0.100). There was a significantly higher tourniquet time (p<0.001), number of meniscus repairs (p<0.001) and trochleoplasties (P=0.011) in Group 2. There was no difference between groups regarding comorbidities, body mass index, and age. A power analysis yielded to reach 80% power (p<0.05) 12,405 patients per group would be needed for investigating the rate of dehiscence and 868 patients per group for formal debridement.Conclusion:Subcuticular suture type did not significantly affect the rate of wound healing dilemmas encountered following knee surgery in this young cohort. Formal debridement was required at a diminished rate in the barbed suture group but not significant enough to recommend routine use. Larger cohort studies are needed to further investigate this trend.Table 1.Patient characteristics
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