中国医科院肿瘤医院监护中心刘颖珍主任医师等，利用小剂量卜受体阻滞剂，有效地预防胸部肿瘤开胸术后病人的心律失常。对62例胸部肿瘤开胸术后病人因手术期的血浆几条酚肢（以）等的监测结果表明，血浆CA含量从术中开始升高，术后1－ffe天最高。与术前比较，有显著差异，术后 Liu Yingzhen, chief physician of the Cancer Center of the Chinese Medical University Cancer Hospital, etc., used a small dose of a blocker to effectively prevent arrhythmia after chest thoracotomy. The monitoring results of 62 patients with thoracic tumors who had undergone thoracotomy on the plasma during the operation period showed that plasma CA content increased from the beginning of surgery to the highest postoperative 1-ffe day. Compared with preoperative, there are significant differences between postoperative