Abstract
We hypothesize that higher elderly patient volume per trauma surgeon is associated with fewer clinical complications. This is a retrospective cohort study which included elderly patients admitted to trauma surgery service within a five-year period, from 2009 to 2013, at two Level I trauma centers in Florida. Trauma surgeons were stratified into three groups depending on patient volume. Primary outcomes were postinjury complications and in-hospital mortality, and secondary outcomes were hospital length of stay (LOS), intensive care unit LOS, and ventilator days. A total of 2379 elderly patients were included in this study. Elderly patient volume per surgeon did not significantly differ based on years in practice after fellowship (P = 0.88). The higher volume group had lower incidence of complications (15% complication rate, P = 0.02), compared with the average and low-volume group (18.1 and 21%, respectively), and had significantly lower rates of acute respiratory failure (P = 0.04) and acute renal failure (P = 0.004). In-hospital mortality was not affected by volume. Hospital LOS was decreased in the higher volume group (mean LOS 7.4 days, P < 0.001). There appears to be a relationship between elderly patient volume and outcome, independent of surgeon years of experience.
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