Outcomes of Pilonidal Surgery Performed in the Setting of Standard Adjunct Laser Hair Removal: A Retrospective Cohort Study.
Pilonidal sinus disease (PSD) is associated with substantial morbidity because of wound complications and recurrence after surgery. Adjunct laser hair removal (LHR) has been incorporated into postoperative management in some settings, but real-world outcomes in cohorts treated uniformly with LHR remain incompletely described. This study aimed to characterize postoperative outcomes after PSD surgery in a large integrated healthcare system in which adjunctive LHR was standard practice and to compare outcomes by surgical approach. We performed a retrospective descriptive cohort study of patients aged 14-89 years who underwent operative treatment of PSD with adjunctive LHR at Kaiser Permanente Northern California between 2012 and 2024. Outcomes included repeat procedures, 30-day surgical site infection (SSI), and unplanned clinic visits. Outcomes were summarized as proportions overall and by surgical approach. Exploratory bivariable logistic regression examined associations between sex or body mass index (BMI) and outcomes. Multivariable modeling was not performed because of low event counts and sparse covariate distributions, which resulted in unstable models. Among 168 patients, the overall repeat procedure rate was 16.7%, the 30-day SSI rate was 14.4%, and 39.3% had at least one unplanned clinic visit. Patients treated with Bascom flap closure had fewer repeat procedures (10.4% vs. 20.8%) and fewer unplanned visits (33.8% vs. 43.6%) than those undergoing pilocystectomy, with similar SSI rates (14.9% vs. 14.0%). In exploratory analyses, sex and BMI were not significantly associated with outcomes in either surgical group. In this real-world cohort managed uniformly with adjunctive LHR, postoperative outcomes appeared to vary more by surgical approach than by sex or BMI. These findings are descriptive and do not estimate the independent effect of LHR. Controlled comparative studies are needed to determine the contribution of LHR to PSD outcomes.
Authors
Jarrin Lopez Jarrin Lopez, Williams Williams, Gochi Gochi, Cowan Cowan, Carroway Carroway, Kanka Kanka, Wadhera Wadhera
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