器官衰竭,多重器官衰竭症候群或称多重器官衰竭(Multiple organ dysfunction syndrome, MODS)、多器官衰竭、多脏器功能衰竭,是老年人逝世的重要原因之一,大多是70岁以上的长者。例如有气管、心脏、肺脏、肝脏、肾脏、脑等重要身体器官的慢性病,是病患的器官机能恶化到相当程度,在没有外在介入的情形下,体内无法维持稳态的情形。
Although Irwin-Rippe cautions in 2005 that the use of "multiple organ failure" or "multisystem organ failure" should be avoided, both Harrison"s (2015) and Cecil"s (2012) medical textbooks still use the terms "multi-organ failure" and "multiple organ failure" in several chapters, and do not use "multiple organ dysfunction syndrome" at all.