CN105708835A - 门冬氨酸钾联合胺碘酮治疗室性心律失常 - Google Patents

门冬氨酸钾联合胺碘酮治疗室性心律失常 Download PDF

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CN105708835A
CN105708835A CN201410723759.2A CN201410723759A CN105708835A CN 105708835 A CN105708835 A CN 105708835A CN 201410723759 A CN201410723759 A CN 201410723759A CN 105708835 A CN105708835 A CN 105708835A
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amiodarone
ventricular arrhythmias
treatment
combination
coronary artery
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于航
李重琦
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LIAONING PHARMA-UNION PHARMACEUTICAL Co Ltd
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LIAONING PHARMA-UNION PHARMACEUTICAL Co Ltd
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Abstract

采用门冬氨酸钾联合胺碘酮治疗冠心病室性心律失常,疗效满意。

Description

门冬氨酸钾联合胺碘酮治疗室性心律失常
技术领域
本发明涉及一种治疗室性心律失常的补钾注射液,具体的说,是一种由活性成分钾盐和胺碘酮组成的供注入体内的治疗室性心律失常的方法,属于药物制剂领域。
背景技术
属Ⅲ类抗心律失常药。具有轻度非竞争性的α及β肾上腺素受体阻滞剂。且具轻度Ⅰ及Ⅳ类抗心律失常药性质。主要电生理效应是延长各部心肌组织的动作电位及有效不应期,有利于消除折返激动。抑制心房及心肌传导纤维的快钠离子内流,减慢传导速度。减低窦房结自律性。对静息膜电位及动作电位高度无影响。对房室旁路前向传导的抑制大于逆向。由于复极过度延长,心电图有Q-T间期延长及T波改变。静注有轻度负性肌力作用,但通常不抑制左室功能。对冠状动脉及周围血管有直接扩张作用。可影响甲状腺素代谢。胺碘酮可有效地治疗室性心律失常,改善心功能,还可降低心律失常死亡的危险。主要抑制钾外流,延长心肌细胞动作电位及有效不应期,造成QT间期延长、心动过缓。
发明内容
门冬氨酸钾通过提高钾离子浓度,从而抵消了钾外流,阻滞QT间期延长,或使延长的QT间期恢复正常,防止尖端扭转型室速发生。门冬氨酸钾提高细胞内钾离子的浓度,从而抑制心脏自律细胞和慢反应纤维的触发活动,达到较好的抗心律失常作用;门冬氨酸解氨毒、醒脑、保护肝脏功能,还可避免胺碘酮对肝细胞的损害。
具体实施方式
实施例
65例均符合冠心病WHO诊断标准。男39例,女26例;年龄38~65岁,平均52.1岁;病程0.4~2.8年,平均1.5年。随机分为两组,治疗组33例,对照组32例,两组在性别、年龄、病程、VA严重程度等方面差异均无统计学意义,具有可比性。
治疗方法:所有患者均在接受硝酸酯类药物等常规治疗基础上,对照组单用胺碘酮治疗;治疗组在对照组的基础上再加用门冬氨酸钾(辽宁药联制药有限公司生产,相应含K+114×4mg、Mg2+4.2×4mg)40mL加入5%的葡萄糖液或生理盐水中静滴,每日1次,3周为1个疗程,疗程结束进行总结。胺碘酮:静脉注射,首剂3~5mg/kg,用生理盐水稀释至20mL,10min内静脉注入,随后以0.5~1.5mg/min静脉维持,之后依病情渐减。初次负荷量后若心律失常控制不满意,每隔15~30min再追加1.5~3mg的静脉负荷量1~2次。恶性心律失常被控制后,继续以300~600mg/d静脉给药,直至仅出现偶发室早时,停止静脉给药,继续口服胺碘酮。口服给药开始600mg/d,4~7d后减量至400mg/d,2周后逐渐减至200mg/d维持。
观察指标:静脉用药期间持续心电、血压监测、随时记录病情变化;两组治疗前后常规做12导联心电图、24h动态心电图、测量PR间期、QTC间期及QRS时限;肝、肾、甲状腺功能及血脂、血糖、电解质、血常规、X线胸片、心脏彩超等检查;用药后出现的不良反应等。
疗效判定标准:显效为症状明显减轻或消失,心律失常完全消失或减少90%以上;有效为症状减轻,室性早搏减少≥70%,或成对室早减少≥80%或短阵室速消失≥90%,15次以上室速及运动时≥5次的室速消失;无效为未达到以上标准。
统计学处理:所有计量资料参数以均数加减标准差(±s)表示,组间连续变量的比较用t检验,百分数的比较采用χ2检验,P<0.05为差异有显著性。
结果
治疗3周后治疗组共完成病例32例,1例治疗1周后因出院而失访;对照组完成病例28例,2例因不良反应退出,1例进入试验后5d死于严重心肌缺血所致心源性休克和心力衰竭,1例于试验第8d死于尖端扭转型室速。两组治疗结果比较,差异有显著性(P<0.05)。
两组用药前后心电图PR间期、QRS时限比较,差异无统计学意义(P<0.05),而心率及QTC间期的改变差异有显著性(P<0.05)。未见明显不良反应。

Claims (4)

1.一种治疗冠心病室性心律失常的补钾注射液,其特征在于:药物活性成分为钾盐,胺碘酮,及注射用水。
2.根据权利要求1所述的治疗冠心病室性心律失常的补钾注射液,其特征在于可以治疗冠心病室性心律失常。
3.根据权利要求1所述的治疗冠心病室性心律失常的补钾注射液,其特征在于,所述的钾盐包括有机钾盐。
4.根据权利要求3所述的有机钾盐为门冬氨酸钾。
CN201410723759.2A 2014-12-04 2014-12-04 门冬氨酸钾联合胺碘酮治疗室性心律失常 Pending CN105708835A (zh)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103079559A (zh) * 2010-06-11 2013-05-01 巴克斯特国际公司 包含胺碘酮及其盐的制剂及其制造和使用方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103079559A (zh) * 2010-06-11 2013-05-01 巴克斯特国际公司 包含胺碘酮及其盐的制剂及其制造和使用方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘东岳等: "门冬氨酸钾镁联合胺碘酮治疗慢性心力衰竭并室性心律失常疗效分析", 《安徽医药》 *
刘洋等: "门冬氨酸钾镁联合胺碘酮治疗冠心病室性心律失常的疗效以及对心电图PR间期和QRS时限的影响", 《中国老年学杂志》 *

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Application publication date: 20160629