Background: The rate of mortality in surgical procedures involving the lumbar spine has
historically been low, and as a result, there has been difficulty providing accurate …

Study design Analysis of the Nationwide Inpatient Sample (NIS) from 1998 to 2008.
Objective To analyze the most recent available and nationally representative data for risk …

Study Design. Retrospective population-based cohort study. Objective. To describe mortality
after lumbar fusion surgery in Washington State workers' compensation claimants in the …

Study Design. A retrospective review of a prospectively collected database. Objective. To
assess rates and causes of mortality associated with spine surgery. Summary of Background …

Increasing numbers of posterior lumbar fusions are being performed. The purpose of this
study was to identify trends in demographics, mortality and major complications in patients …

Study Design. Multivariate analysis of prospectively collected registry data. Objective. Using
multivariate analysis to determine significant risk factors for medical complication after …

Background Elective fusions for degenerative spine disease have increased over the past
two decades in the USA, with variability in complications and hospital costs. The additional …

Study Design. Register study. Objective. The purpose of this study was to assess the safety
of lumbar spine surgery for degenerative disorders and to assess the predictive factors for …

Study Design. All patients aged 80 years or older, treated surgically for lumbar spine
disorders from 1996 to 2001, were analyzed in a retrospective case series. The purpose of …

BACKGROUND/CONTEXT It is yet unclear what preoperative and intraoperative factors
affect mortality after spine surgery. PURPOSE To identify the preoperative and intraoperative …