Intermediate acting non-depolarizing neuromuscular blocking agents and risk of postoperative respiratory complications: prospective propensity score matched cohort study.

Objective: To determine whether use of intermediate acting neuromuscular blocking agents during general anesthesia increases the incidence of postoperative respiratory complications.

Design: Prospective, propensity score matched cohort study.

Setting: General teaching hospital in Boston, Massachusetts, United States, 2006-10.