Why the study?
Does higher surgical volume reduce the incidence of surgical site infection in patients undergoing CABG?
Does higher surgical volume reduce the incidence of surgical site infection in patients undergoing CABG?
Higher hospital and surgeon volumes are associated with a lower incidence of surgical site infection following CABG, with hospital volume playing a more significant role.
Observational association supports concentrating CABG at high-volume hospitals to lower SSI; leaves open whether selective referral changes outcomes.
In this study, the overall incidence of surgical site infection was 8.83% (3.28% for index hospitalization events [ie, events that occurred during hospitalization for surgery] and 5.55% for postdischarge events [ie, events that occurred within 30 days after discharge]). There was a negative association between surgical volume and the incidence of surgical site infection following coronary artery bypass graft surgery. The hospital volume has a greater effect than does surgeon volume on reducing the incidence of surgical site infection.
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Wu et al. (2006) studied this question.
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