Diffusion of technology: Trends in robotic-assisted colorectal surgery.

Following FDA approval, robotic-assisted colorectal surgery (RACS) has increased in prevalence. We aimed to identify trends in utilization and patient characteristics of RACS in the United States using the University HealthSystem Consortium database between October 2011-September 2015. Outcome measures were number and percentage of procedures performed with robotic-assistance. 7100 patients were identified. The most common procedures were low anterior resection, sigmoid colectomy, abdominoperineal resection, right colectomy, rectopexy, left colectomy, and total colectomy. There was a 158% increase in RACS procedures. As a percentage of all approaches, RACS increased from 2.6% to 6.6%. The number of centers performing RACS increased from 105 to 140. Over the study period, the complexity of patients increased, with the percentage of patients with ≥3 comorbidities rising from 18% to 24% (p = 0.03) and patients with a moderate severity of illness score increasing from 35% to 41% (p = 0.04). RACS has expanded significantly in volume, number of centers, and patient selection. Further studies evaluating outcomes and cost of RACS are required to determine whether these increases are justified by improved clinical outcomes.

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