Time of cochlear implant surgery in academic settings

Abstract

OBJECTIVE-Establish time required to perform cochlear implantation (CI) in academic settings.STUDY DESIGN-Historical cohort study. SETTING-German and American academic centers.PATIENTS-2,639 patients underwent CI (1997CI ( -2007, excluding patients receiving experimental device or technique with abnormal cochlear anatomy or incomplete charts, leaving 2,253 for analysis.INTERVENTION-Unilateral, bilateral and revision CI with devices approved in USA and Europe. MAIN OUTCOME MEASURES-Mean surgical time (ST) and total OR time (TORT).RESULTS-Mixed model analysis was employed; estimated marginal means given in minutes after adjusting for random effect of individual surgeon. No differences between unilateral (ST=171, TORT=245) and revision CI (ST=160, TORT=232), but bilateral procedures were longer than (ST=295, TORT=377, p=0.000). Unilateral surgeries -Cochlear Limited (CL) devices were