27.下列何者用於急性心肌梗塞(AMI)病人之心室性心律不整時,不會增加死亡率?
A.amiodarone
B.encainide
C.flecainide
D.moricizine
答案A
CAST研究發現:使用encainide,flecainide 或 moricizine 治療心肌梗塞後併發心室性心律不整病人,雖然其心室性心律不整可獲得有效抑制,但治療組之死亡率卻遠較控制組。
參考資料
- The CAST Investigators. Preliminary Report: Effect of encainide and flecainide on mortality in a randomized trial of arrhythmia suppression after myocardial infarction. (Special report). N Engl J Med 1989; 321:406-12.
- The Cardiac Arrhythmia Suppression Trial II Investigators. Effect of the antiarrhythmic agent moricizine on survival after myocardial infarction. N Engl J Med 1992; 327:227-33.
本題的最佳解答為A