慢性阻塞性肺疾病气道黏液高分泌脏腑相关病机及证治探讨 刘智霖 史利卿 马建岭 李扭扭 季坤 董尚娟 李渊 李先莉Summary 慢性阻塞性肺疾病(COPD)簡称慢阻肺,临床表现以持续性呼吸道症状(咳嗽、咳痰、呼吸困难)和不可逆的气流受限为主,是呼吸系统的常见病和多发病气道黏液高分泌状态始终贯穿着COPD发病过程,是病程中重要的病理生理学特征,也影响COPD患者病情和预后结合COPD临床特点进行分析,认为气道黏液主要属于中医学“痰饮”范畴,肺、脾、肾三脏失调为基础病机,肝失疏泄是重要环节,心气亏虚、瘀血阻滞亦为常见病机,辨证治疗以清肺化痰、温肺化饮、益气健脾、补肾纳气为主,疏肝理气运脾、益气活血化痰为辅;再结合辨证论治加以针灸推拿、拔罐、穴位贴敷等治疗手段基于脏腑相关病机理论对COPD气道黏液高分泌进行证治探讨,希望获得更多的思路和方法,丰富中医治疗该病的学术内涵Key 气道黏液高分泌;慢性阻塞性肺疾病;痰饮;脏腑相关;肺脾肾三脏失调;肝失疏泄;中医治疗Discussion on the Zangfu-related Pathogenesis,Syndromes and Treatments of Chronic Obstructive Pulmonary Disease with Hypersecretion of Airway MucusLIU Zhilin1,SHI Liqing2,MA Jianling2,LI Niuniu2,JI Kun2,DONG Shangjuan2,LI Yuan2,LI Xianli1(1 Beijing University of Chinese Medicine,Beijing 100029,China; 2 Department of Respiratory Fever,Dongfang Hospital of Beijing University of Chinese Medicine,Beijing 100078,China) Abstract The clinical manifestations of chronic obstructive pulmonary disease(COPD) are mainly persistent respiratory symptoms(cough,expectoration,dyspnea) and irreversible airflow limitation.It is a common and frequently-occurring disease of the respiratory system.Airway mucus hypersecretion,which throughout the pathogenesis,is an important pathophysiological feature in the course of COPD and can affect the condition and prognosis of COPD.Based on the Analysis of its clinical characteristics,it is believed that airway mucus hypersecretion mainly belongs to “phlegm-fluid retention” in traditional Chinese medicine(TCM).The basic pathogenesis of disorder of lung,spleen and kidney,and liver conveyance and dispersion is the important link.Heart qi deficiency and blood stasis are also common pathogenesis.The syndrome differentiation treatment should be based on clearing lung and eliminating phlegm,warming lung and reducing watery phlegm,nourishing qi and invigorating spleen,nourishing kidney to absorb qi.Dispersing liver and regulating qi is supplemented by spleen transportation and nourishing qi,promoting blood circulation and reducing phlegm,combined with syndrome differentiation plus acupuncture and massage,cupping,and acupoint application and other treatment method.This paper explores the syndrome and treatment of COPD airway mucus hypersecretion from the Zangfu-related pathogenesis theory,hoping to get more ideas and methods to enrich the academic connotation of TCM treatment of the disease.Keywords Airway mucus hypersecretion; Chronic obstructive pulmonary disease; Phlegm-fluid retention; Zangfu-related; Disorder of lung,spleen and kidney; Liver dysfunction; Traditional Chinese medicine treatment:R256 :A doi: 10.3969/j.issn.1673-7202.2022.09.021 慢性阻塞性肺疾病(Chronic Obstructive Pulmonary Diseases,COPD)是以持续的呼吸道症状和气流受限为特征的疾病,通常因明显暴露于有毒颗粒或气体引起的气道和(或)肺泡异常所导致[1]。
气道黏液高分泌是COPD的高危发病因素和生理特征,属于影响疾病病情和预后的独立危险因素[2],并且在其发病与临床进展中发挥着重要作用[3],主要临床表现为慢性咳嗽、咳痰,以白色黏液或浆液性泡沫痰为主气道黏液高分泌与COPD关系密切,贯穿着病程始终据研究调查,近50%COPD患者伴有气道黏液分泌过多[4],COPD伴有气道黏液高分泌可导致气流受限、气道阻塞,使肺功能进行性下降,生命质量恶化,增加患者急性加重和住院的风险[5]COPD气道黏液高分泌发病机制主要涉及多种炎症细胞、炎症介质、细胞因子以及相关的细胞信号通路,由此,气道黏液平衡状态被打破,使得黏蛋白(MUC)基因过度表达,尤其是MUC5AC和MUC5B,从而处于黏液高分泌状态目前认为,其常见机制可能与吸入异源物性颗粒物质、中性粒细胞弹性蛋白酶(NE)、肿瘤坏死因子-α(TNF-α)、表皮生长因子受体(EGFR)、白细胞介素-13(IL-13)、白细胞介素-33(IL-33)、脂多糖(LPS)等有关治疗方面,西医主要通过干预气道黏液高分泌的病理生理环节来减少呼吸道黏液过度产生或促进黏液分离,以达到减轻咳嗽、咳痰的目的[6]尽管目前研究已经发现多种药物具有调节气道黏液分泌的作用,但是大部分仍处于动物实验阶段,祛痰药为目前最常使用的药物,但面对部分老年患者或危重患者的排痰困难、咳嗽反射减弱以及黏液栓形成的情况,治疗相对困难。
因此,进一步开发疗效确切、不良反应较小的治疗方法仍然是一大难题结合COPD气道黏液高分泌的临床症状来看,其与中医痰饮关系甚为密切[7-8]中医对痰饮的认识源远流长,认为痰饮的生成与肺、脾、肾功能失调有关,同时与肝气调达也有一定联系痰饮的产生主要责之“肺、脾”,正所谓“脾为生痰之源,肺为贮痰之器”肺气失宣,通调失司,津液失于布散,则聚为痰饮;脾主运化,运输水谷精微,脾虚不运则失于运化,水谷不能化为精微上输以养肺,反聚生痰浊,上干于肺,久之则肺脾气虚,气不化津,痰饮更易滋生肾为五脏六腑之主,为水脏,主水液气化,若肾气肾阳不足,蒸化失司,水湿泛滥,痰饮内生肝主疏泄,若肝气郁结,气机阻滞,肝失于疏泄,津液亦可停滞为痰在治疗方面,中医具有方式多样、疗效确切等优势故基于脏腑相关病机理论对COPD气道黏液高分泌进行证治探讨,希望为中医药治疗该疾病提供思路,提高临床疗效1COPD及其病机历代认识 COPD属于中医学“肺胀”范畴,基本病机为本虚标实,肺、肾、心、脾脏气亏虚为本,痰浊、水饮、血瘀互结为标,多方面因素相互影响,互为因果,与脏腑失调密切相关早在《黄帝内经》时期就有了肺胀的论述,书中首提肺胀病名,并指出其病因病机及证候表现,即《灵枢·胀论》云:“肺胀者,虚满而喘咳。
东汉·张仲景在《金匮要略》中记载的越婢加半夏汤、小青龙加石膏汤等方剂仍为临床所用隋·巢元方认为,肺胀的发病机制在于肺脏本虚,外邪侵袭,《诸病源候论·咳逆短气候》中就有“肺虚,为微寒所伤则咳嗽嗽则气还于肺间,则肺胀,肺胀则气逆而肺本虚,气为不足,复为邪所乘,壅痞不能宣畅,故咳逆短气也”的描述元·朱震亨认为肺胀的发生与痰瘀互结、阻碍肺气有关,痰和瘀的形成则与肝脾有密切关系清·张璐也认为肺胀多因“痰夹瘀血碍气而胀”清·李用粹在《证治汇补·咳嗽》中提出辨证施治当分虚实两端,“气散而胀者,宜补肺,气逆而胀者,宜降气,当参虚实而治”痰饮,作为人体水液代谢的病理产物,其产生与肺、脾、肾、肝等多个脏腑的功能失常密切相关,正如《雜病源流犀烛·痰饮源流》所说:“其为物则流动不测,故其为害,上至巅顶,下至涌泉,随气升降,周身内外皆到,五脏六腑俱有综上所述,肺胀本虚标实的基本病机均与脏腑相关,而痰饮又是其气道黏液高分泌状态的重要病理因素,故从脏腑角度探讨COPD气道黏液高分泌的辨证论治不失为一个重要角度2脏腑相关病机 2.1肺、脾、肾三脏失调为基础病机COPD气道黏液高分泌可属于中医“痰饮”范畴,痰乃津液所化,为内停之水津,《素问·经脉别论篇》有云:“饮入于胃,游溢精气,上输于脾,脾气散精,上归于肺,通调水道,下输膀胱,水精四布,五经并行。
此段阐述了正常生理状态下,津液在体内大致运行与肺、脾、肾三脏有密不可分的关系肺主行水,肺气的宣发肃降推动调节全身水液的输布、排泄;脾主运化,且其居中枢转津液,全身津液在脾气的运转下上腾下达;三焦水道下输膀胱,肾气的蒸化,清者经脾达肺,重新参与津液代谢,浊液留而为尿在整个过程中,肾脏起主导作用,正如《素问·逆调论》所云:“肾者水藏,主津液”,即肾气具有主司和调节全身津液代谢的功能,机体的津液输布与排泄,是在多脏腑的共同参与下完成的,各个脏腑功能的正常发挥有赖于肾气、肾阴、肾阳的资助和调控病理状态下,COPD气道黏液高分泌也与肺、脾、肾三脏失调密切相关脾为生痰之源,肺为贮痰之器”,机体受外邪侵袭,肺气郁滞,脾失健运,津液不归正化而成痰;抑或是肺脾两虚,肺气虚耗不能化津,脾气亏虚不能运输;久病及肾,肾者主水,且《素问·水热论》有云:“肾者,胃之关也,关门不利,故聚水而从其类也肾气肾阳蒸化失司,故水液代谢失常,痰浊愈盛,使得咳嗽咳痰加重,痰多且黏稠难以咳出明·王纶在《明医杂著·化痰丸论》提出的“痰之本水也,源于肾;痰之动湿也,主于。