This consisted of administration of warfarin on postoperative Day 1 and continuing for 6 weeks aiming for an internationalnormalizedratio of 1.5 to 2.
这包括规定的术后第一天使用的华法林和持续6周的使用，目标是控制国际标准化比值在1.5到2之间。
2
Objectives: Using normal plasmas and criterion plasmas to establish a kind of accurate and feasible method that could measure internationalnormalizedratio (INR) of prothrombin time (PT).
Objective To explore the efficacy, safety and range of internationalnormalizedratio (INR) of warfarin in the treatment of elderly persistent atrial fibrillation.