The Spillover Effects of Quality Improvement Beyond Target Populations in Mechanical Ventilation.

Unlabelled: To assess the impact of a mechanical ventilation quality improvement program on patients who were excluded from the intervention.

Design: Before-during-and-after implementation interrupted time series analysis to assess the effect of the intervention between coronary artery bypass grafting (CABG) surgery patients (included) and left-sided valve surgery patients (excluded).

Setting: Academic medical center.