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Study Design.

A retrospective review of prospectively collected data.

Objective.

The aim of this study was to determine the impact of current smoking or prior smoking cessation on 30-day morbidity risk following lumbar spine surgery.

Summary of Background Data.

Prior studies have reported conflicting data regarding the impact of smoking on morbidity risk, and few studies have investigated smoking cessation.

Methods.

A large, multicenter, prospectively collected clinical registry was queried for all adult patients undergoing lumbar spine surgery in 2012 and 2013, and 35,477 cases were identified. Morbidity data are collected by on-site clinical personnel for 30 days postoperatively. Patients were divided into categories of “never-smoker,” for patients with no reported cigarette use (n= 27,246),“former smoker,” for patients who quit smoking more than 12 months before surgery (n= 562), and “current smoker,” for patients …