Morbidity and mortality of complex spine surgery: a prospective cohort study in 679 patients validating the Spine AdVerse Event Severity (SAVES) system in a European population

摘要

BACKGROUND CONTEXT: Most literature on complications in spine surgery has been retrospective or based on national databases with few variables. The SpineAdVerse Events Severity (SAVES) system has been found reliable and valid in two Canadian centers, providing precise information regarding all adverse events (AEs).