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试论益气活血法治疗冠心病心绞痛
添加时间: 2013-11-6 22:05:09 来源: 作者: 点击数:1494

 

宋现丽1,李晓2

【摘要】气虚血瘀型冠心病心绞痛是临床常见证型,益气活血作为本证型的治疗大法,应用广泛,作用显著。

【关键词】益气活血;气虚血瘀;冠心病心绞痛

冠心病心绞痛是因冠状动脉供血不足,心肌短暂缺血、缺氧引起的以发作性胸痛为主要表现的一组临床综合征。

1.中医病因病机

冠心病心绞痛属中医学“胸痹”“心痛”等范畴,以胸部闷痛,甚则胸痛彻背,喘息不得卧为主症。

病因 年老体弱、劳逸失调、情志不畅及饮食不节

基本病机为本虚标实,虚实夹杂。实为寒凝、气滞、血瘀、痰浊等痹阻心脉;虚为脏腑亏虚,心脉失养。心气虚为冠心病-胸痹心痛之本始病机《玉机微义·心痛》:“有病久气血虚损及平素劳作羸弱之人患心痛者, 皆虚痛也。”王清任云“元气既虚,必不能达于血管,血管无气,必停留而瘀”。

2.益气与活血化瘀

活血化瘀是治疗冠心病研究最为深入的治法。晋代葛洪《肘后备急方》治疗卒心痛首次应用活血化瘀药物,唐代《普济方》明确记载治疗心痛用当归汤,药用当归、桃仁、芍药等。宋代以后,活血化瘀治疗胸痹应用广泛。建国以后,活血化瘀治法得到广泛而深入的研究[1]

瘀血的形成多为正气亏损、阳虚或气阴两虚而致,加之本病有反复发作、病程日久的特点,单纯血瘀实证者较少,故临床治疗应在活血化瘀的基础上伍以益气养阴、理气化痰之品,加强祛瘀疗效[2]益气活血化瘀法源于《内经》,张仲景所用温经汤,为临床最早使用的益气活血化瘀法的代表[3]。王清任根据元气亏虚,气不帅血而发生瘀血之论述,创造了补阳还五汤,提示人们益气活血乃可化瘀。

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bsp;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            &nbs, 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3.病案举例

男,68岁,2010313日初诊。患冠心病8,心前区胸闷疼痛加重半月,心悸气短,倦怠乏力,动则益甚,易汗出,休息后多可缓解,舌质暗红,舌体胖,苔薄白,脉沉细。心电图:IIIIIaVF导联ST段下移0.1mV, V4V6导联T波倒置0.3mV。服用速效救心丸等药效不佳遂来就诊。中医诊断:胸痹-气虚血瘀;西医诊断:冠心病-劳累性心绞痛。治法:补益心气,活血化瘀。方药:人参15g 黄芪45g 麦冬30g 五味子15g 川芎15g 元胡15g 丹参20g 红花12g 桑寄生12g 冰片0.2g(冲服)三七粉3g(冲服)甘草6g

方义分析:人参、黄芪补元气、益心气、助心通脉,桑寄生补益肾气,以助心气,治病求本;麦冬养阴生津,润肺清心,五味子收敛固涩以敛心气,二者配伍起到滋阴养心之用;川芎活血行气止痛,为“血中之气药”,丹参活血祛瘀止痛,与红花、三七、元胡共凑活血祛瘀,通脉止痛之功;冰片既可活血开窍,引药直达病所,又能清热止痛,甘草益气、调和诸药。

患者服用上方7剂后,胸闷、胸痛症状减轻,但仍感气短、乏力,时胸部隐痛,舌暗红,边有齿痕,脉沉细。以上方加减治疗半年余,胸痛未再发作,短气、乏力亦渐消失。复查心电图ST段、T波已恢复正常,守方配制为丸,以资巩固。随访1年,一切情况良好。

现代药理研究表明人参有利于减少心肌耗氧量,从而改善心肌缺血;黄芪具能扩张冠状动脉血管,增加冠脉血流量[4]。丹参、红花改善心脏血流供应,降低心肌缺血的发生,促进心肌缺血部位的血管再生,从根本上改善心肌缺血[5]。冰片可防治冠脉痉挛,并可减轻缺血所致的心肌损伤,具有显著增加心肌耐低氧能力,减慢心率,增加冠脉流量,降低心肌耗氧量的功效,从而具有很好的止痛作用[6]

4.结语

益气活血法针对人气血为本,主血脉之理论,对于治疗气虚血瘀型冠心病心绞痛较单纯的活血化瘀法具有更好的疗效,体现了治病求本。任何致病因素导致的血瘀,在论治立法上,要考虑到是否有虚的存在,考虑到益气对活血化瘀的意义。实践证明,益气活血法对治疗心系疾病具有广阔的前景。

参考文献:

[1]李晓.丁书文论治冠心病经验.山东中医杂志,2007,269:641-644.

[2]周仲瑛.中医内科学.北京:中国中医药出版社,2003

[3]任然.试论益气活血化瘀法在心系疾病中的应用[J]. 医学信息:中旬刊,2010, 57):1956-1957.

[4] 张晓丹,佟欣,刘琳,等.黄芪对实验性心肌缺血大鼠心电图影响的比较[J].中草药,200334(1)10181020.

[5] 王培利,雷燕,陈可冀.血管新生一治疗心血管疾病的新策略[J].中国中西医结合杂志,200626(2)173176.

[6] 孙晓萍,欧立娟,王宁生等.冰片抗炎镇痛作用的实验研究[J].中药新药临床药理,2007, 18(5):353.

 

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