CN102961690B - 一种预防高血压并发症的药物组合物及应用 - Google Patents
一种预防高血压并发症的药物组合物及应用 Download PDFInfo
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Abstract
本发明涉及一种预防高血压并发症的药物组合物及应用,该药物组合物由如下重量份的活性成分制备而成:川芎22-28份,淫羊藿15-20份,泽泻15-20份,独活12-16份,野菊花12-16份,远志12-18份,车前子10-15份,川郁金10-15份,葡萄籽8-12份。本发明的药物组合物能显著降低原发性高血压患者的收缩压,有效预防高血压患者的各种并发症,提高患者的长期生存率。
Description
技术领域
本发明属于中医药技术领域,具体而言,涉及一种预防高血压并发症的药物组合物及应用。
背景技术
高血压是最常见的心血管病,是全球范围内的重大公共卫生问题。2004年的中国居民营养与健康现状调查结果显示,我国18岁及以上居民高血压患病率为18.8%,估计全国患病人数超过1.6亿。与1991年相比,患病率上升31%,患病人数增加约7000多万人。1998年,我国脑血管病居城市居民死亡原因的第二位,在农村居首位。全国每年死亡超过100万,存活的患者约500万~600万,其中75%以上留有不同程度的残疾,给个人、家庭和社会造成了沉重的负担。而脑卒中的主要危险因素是高血压。同时,血压升高还是多种疾病的导火索,会使冠心病、心力衰竭、动脉硬化、肾脏损伤等疾病的发病风险增高。
应用降压药物治疗原发性高血压需长期服药。因此,宜选用降压作用温和、缓慢、持久、副作用少的口服降压药作为基础降压药,再按不同病期选用其他降压药物。然而,现有的降压药以西药为主,虽然降压作用显著,但同时副作用也很大,对高血压并发症的预防很有限。因此,寻找降压作用显著、温和、持久、副作用小且预防高血压并发症的药物显得尤为必要。
发明内容
本发明的目的在于提供一种预防高血压并发症的药物组合物及应用。该药物组合物能显著降低原发性高血压患者的收缩压,有效预防高血压患者的各种并发症(如高血压肾病),提高患者的长期生存率。
本发明的第一个目的是这样实现的:
一种预防高血压并发症的药物组合物,由如下重量份的中药材制备而成:川芎22-28份,淫羊藿15-20份,泽泻15-20份,独活12-16份,野菊花1216份,远志12-18份,车前子10-15份,川郁金10-15份,葡萄籽8-12份。
上述预防高血压并发症的药物组合物,优选由如下重量份的中药材制备而成:川芎25份,淫羊藿18份,泽泻18份,独活14份,野菊花14份,远志15份,车前子13份,川郁金12份,葡萄籽10份。
进一步优选地,上述预防高血压并发症的药物组合物,它为口服液。
通过动物实验研究发现,本发明的中药组合物可有效降低SHR大鼠的血压,且对高血压大鼠长期高血压后形成的左室肥厚、主动脉肥厚和尿微量白蛋白增加有着极为显著的影响。
因此,本发明的第二个目的是这样实现的:上述药物组合物在制备抗高血压或预防高血压并发症的药物中的应用。优选所述高血压为原发性高血压。优选所述高血压并发症为高血压导致肾脏损伤、左室肥厚、主动脉肥厚。
本发明所述的中药口服液按如下方法制备而成:
(1)取处方量的上述中药材,洗净去杂,晾干,粉碎成颗粒;
(2)再将上述颗粒状药材加水漫过药面2cm,浸泡1-1.2h,捞出药材置多功能提取灌中加水煎煮二次,第一次加总药材8-12倍量的水,煎煮2h,取煎液,滤过,第二次加总药材8-10倍量的水,煎煮2h,取两次煎液合并,滤过,浓缩至90℃时相对密度为1.20的浓缩液;
(3)将浓缩液置0-5℃低温冷藏24h,将冷藏液加0.3%的助滤剂硅藻土,滤过,滤液再浓缩至每毫升含2-2.5g生药量,搅拌均匀,置0-5℃低温冷藏24h,将冷藏液滤过,得口服液。
用法用量:患者每日服用20ml中药口服液,晨起服药,每天一次,2个月为一个疗程。
根据中医药史料记载,上述中药材的药理活性如下:
川芎:活血行气,祛风止痛。用于安抚神经,正头风头痛,症瘕腹痛,胸胁刺痛,跌扑肿痛,头痛,风湿痹痛。选用伞形科植物川芎的根茎。
淫羊藿:补肾阳,强筋骨,祛风湿。用于阳痿遗精,筋骨痿软,风湿痹痛,麻木拘挛;更年期高血压。选用小檗科植物淫羊藿(Epimedium brevicomum Maxim.)的干燥叶。
泽泻:利水渗湿;泄热通淋。主小便不利;热淋涩痛;水肿胀满;泄泻;痰饮眩晕;遗精。选用泽泻科(Alismataceae)植物泽泻Alisma orientale(Samuels)Juzep.的干燥块茎。
独活:祛风胜湿;散寒止痛。用于风寒湿痹;腰膝疼痛;少阴伏风头痛,头痛齿痛。
选自伞形科植物重齿毛当归的干燥根。
野菊花:清热解毒;疏风平肝。用于治疗疔疮;痈疽;丹毒;湿疹;皮炎;风热感冒;咽喉肿痛;高血压病。选用为菊科植物野菊Chrysanthemum indicum L.北野菊C.boreale Mak.的头状花序。
远志:具有安神益智、祛痰、消肿的功能,用于心肾不交引起的失眠多梦、健忘惊悸,神志恍惚,咳痰不爽,疮疡肿毒,乳房肿痛。选用远志科植物远志Polygalatenuifolia Willd.和卵叶远志P.sibirica L.的干燥根。
车前子:清热利尿;渗湿止泻;明目;祛痰。用于治疗主小便不利;淋浊带下;水肿胀满;暑湿泻痢;目赤障翳;痰热咳喘。选用车前科植物车前大车前及平车前的种子和全草。
川郁金:行气化瘀,清心解郁,利胆退黄。用于经闭痛经,胸腹胀痛、刺痛,热病神昏,癫痫发狂,黄疸尿赤。选用姜科植物姜黄Curcuma longa L.等的块根。
根据动物试验结果可见,本发明的中药组合物能有效降低SHR大鼠的血压,且与阳性对照组没有显著性差异。另外,本发明的中药组合物对高血压大鼠长期高血压后形成的左室肥厚、主动脉肥厚和尿微量白蛋白增加有着极为显著的影响,这预示着本发明的中药组合物对将来临床上高血压患者的治疗具有重要的影响,有效的预防高血压患者的各种并发症(如高血压肾病),提高患者的长期生存率。
具体实施方式
以下是本发明的具体实施例,对本发明的技术方案做进一步作描述,但是本发明的保护范围并不限于这些实施例。凡是不背离本发明构思的改变或等同替代均包括在本发明的保护范围之内。
实施例1中药口服液的制备
生药处方(重量份):川芎25份,淫羊藿18份,泽泻18份,独活14份,野菊花14份,远志15份,车前子13份,川郁金12份,葡萄籽10份。
口服液制备方法:
(1)取处方量的上述中药材,洗净去杂,晾干,粉碎成颗粒;
(2)再将上述颗粒状药材加水漫过药面2cm,浸泡1-1.2h,捞出药材置多功能提取灌中加水煎煮二次,第一次加总药材10倍量的水,煎煮2h,取煎液,滤过,第二次加总药材10倍量的水,煎煮2h,取两次煎液合并,滤过,浓缩至90℃时相对密度为1.20的浓缩液;
(3)将浓缩液置5℃低温冷藏24h,将冷藏液加0.3%的助滤剂硅藻土,滤过,滤液再浓缩至每毫升含2.5g生药量,搅拌均匀,置2℃低温冷藏24h,将冷藏液滤过,得口服液。
实施例2中药口服液的制备
生药处方(重量份):川芎22份,淫羊藿20份,泽泻20份,独活12份,野菊花16份,远志15份,车前子10份,川郁金12份,葡萄籽12份。
口服液制备方法:
(1)取处方量的上述中药材,洗净去杂,晾干,粉碎成颗粒;
(2)再将上述颗粒状药材加水漫过药面2cm,浸泡1-1.2h,捞出药材置多功能提取灌中加水煎煮二次,第一次加总药材8倍量的水,煎煮2h,取煎液,滤过,第二次加总药材8倍量的水,煎煮2h,取两次煎液合并,滤过,浓缩至90℃时相对密度为1.20的浓缩液;
(3)将浓缩液置4℃低温冷藏24h,将冷藏液加0.3%的助滤剂硅藻土,滤过,滤液再浓缩至每毫升含2g生药量,搅拌均匀,置5℃低温冷藏24h,将冷藏液滤过,得口服液。
实施例3中药口服液的制备
生药处方(重量份):川芎28份,淫羊藿15份,泽泻18份,独活16份,野菊花12份,远志18份,车前子15份,川郁金15份,葡萄籽10份。
口服液制备方法:
(1)取处方量的上述中药材,洗净去杂,晾干,粉碎成颗粒;
(2)再将上述颗粒状药材加水漫过药面2cm,浸泡1-1.2h,捞出药材置多功能提取灌中加水煎煮二次,第一次加总药材12倍量的水,煎煮2h,取煎液,滤过,第二次加总药材10倍量的水,煎煮2h,取两次煎液合并,滤过,浓缩至90℃时相对密度为1.20的浓缩液;
(3)将浓缩液置2℃低温冷藏24h,将冷藏液加0.3%的助滤剂硅藻土,滤过,滤液再浓缩至每毫升含2.5g生药量,搅拌均匀,置4℃低温冷藏24h,将冷藏液滤过,得口服液。
实施例4 本发明的中药组合物对SHR原发性高血压模型大鼠的降压效果研究
10周龄自发性原发性高血压大鼠(SHR)共45只,随机分为模型组、阳性对照组、试验组,每组15只。各组大鼠按表1进行灌胃给予受试物,每天灌胃一次,持续12周。
表1各组小鼠饲喂方式
给药开始第1周末、5周末、8周末、10周末分别进行一次尾动脉收缩压测定。根据表2的试验结果可以看出,自给药第8周末起,各给药组与模型组相比均有显著性差异(P<0.05)或机显著性差异(P<0.01)。另外,试验组与阳性对照组没有显著性差异(P>0.05)。这表明本发明的中药组合物具有较为理想的降压效果。
表2各组对SHR原发性高血压大鼠血压的影响比较(mmHg)
与模型对照组比较,*P<0.05,**P<0.01。
各组大鼠经灌胃给药10周后,用代谢笼接大鼠尿液,按照溴酚兰法测定各组大鼠尿液中的微量白蛋白含量,以反映高血压大鼠(SHR)肾脏损伤的程度。经动脉插管注入1mol/L的氯化钾1.5ml,使动物心脏停止于舒张状态。立即摘除心脏及主动脉(升主动脉至胸主动脉),称量左室及主动脉湿重,计算单位体重的左室重量及单位长度的主动脉重量。
溴酚兰法测定大鼠尿液中的微量白蛋白含量的具体方法如下:
各种试剂:
(1)0.303mol/L甘氨酸-冰醋酸缓冲液(pH3.0):称取22.72g甘氨酸,用10%(v/v)的冰醋酸溶液(pH2.8)稀释成1000ml,加NaN3100mg,室温密封可稳定1年。
(2)溴酚蓝(1.924mmol/L)贮存液:精确称取257.36mg溴酚蓝(BPB),用无水乙醇溶至200ml,4℃冰箱可稳定1年。
(3)溴酚蓝(0.231mmol/L)显色剂:取60mlBPB贮存液,加入2.5mlTritonX-100,用甘氨酸-冰醋酸缓冲液稀释至500ml,室温密封可保存1年。
测定方法:取大鼠尿样(混浊尿应离心取上清液)2ml于反应杯内,加BPB显色剂1ml,混匀,1min后用721型分光光度计在600nm处10mm光径比色。
表3各组大鼠左室重量指数、主动脉重量和尿微量白蛋白的比较
*与模型对照组比较,P<0.05,**与模型对照组比较,P<0.01;
¥与阳性对照组比较,P<0.05,¥¥与阳性对照组组比较,P<0.01。
由表3的结果表明,本发明的中药口服液对高血压大鼠长期高血压后形成的左室肥厚、主动脉肥厚和尿微量白蛋白增加有着极为显著的影响,这预示着本发明的中药组合物对将来临床上高血压患者的治疗具有重要的影响,会有效的预防高血压患者的各种并发症(如高血压肾病),提高患者的长期生存率。阳性对照组替米沙坦的效果很不理想。
Claims (6)
1.一种预防高血压并发症的药物组合物,其特征在于:由如下重量份的中药材制备而成:川芎25份,淫羊藿18份,泽泻18份,独活14份,野菊花14份,远志15份,车前子13份,川郁金12份,葡萄籽10份。
2.根据权利要求1所述的预防高血压并发症的药物组合物,其特征在于:它为口服液。
3.根据权利要求1所述药物组合物在制备抗高血压的药物中的应用。
4.根据权利要求3所述的应用,其特征在于:所述高血压为原发性高血压。
5.根据权利要求1所述药物组合物在制备预防高血压并发症的药物中的应用。
6.根据权利要求5所述的应用,其特征在于:所述高血压并发症为高血压导致的肾脏损伤、左室肥厚、主动脉肥厚。
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