50 ms的心搏數百分比(PNN50)比較差異無統計學意義("/>
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【摘要】 目的:分析冠心病心律失常治療中胺碘酮聯合美托洛爾的療效及心率變異性(HRV)的影響。方法:選取73例冠心病心律失常患者隨機分為對照組(35例,基礎治療+胺碘酮)、觀察組(38例,對照組治療方案+美托洛爾)。比較用藥前后兩組的HRV指標,對比兩組的臨床療效及副作用。結果:用藥前兩組低頻功率(LF)、高頻功率(HF)、極低頻功率(VLF)、NN間期標準差(SDNN)、NN間期標準差的均值(SDNNI)、相鄰NN間期差>50 ms的心搏數百分比(PNN50)比較差異無統計學意義(P>0.05),用藥后兩組均顯著提高,且觀察組顯著高于對照組,差異均有統計學意義(P<0.05);觀察組臨床總有效率高于對照組,差異有統計學意義(P<0.05);兩組副作用發生率比較差異無統計學意義(P>0.05)。結論:冠心病心律失常治療中胺碘酮聯合美托洛爾可改善患者HRV指標,提升臨床療效,且不會造成副作用的明顯增多。
【關鍵詞】 胺碘酮; 美托洛爾; 冠心病; 心律失常
doi:10.14033/j.cnki.cfmr.2019.22.008 文獻標識碼 B 文章編號 1674-6805(2019)22-00-03
【Abstract】 Objective:To analyze the efficacy of Amiodarone combined with Metoprolol in the treatment of arrhythmia in coronary heart disease and its effect on HRV.Method:A total of 73 patients with coronary heart disease and arrhythmia were randomly divided into control group(35 cases,basic treatment+Amiodarone) and observation group(38 cases,control group treatment+Metoprolol).The heart rate variability index between the two groups before and after medication,the clinical efficacy and side effects of the two groups were compared.Result:There were no significant differences in low frequency power(LF),high frequency power(HF),very low frequency power(VLF),NN interval standard deviation(SDNN),NN interval standard deviation(SDNNI) and adjacent NN interval difference>50 ms between the two groups before treatment(P>0.05),which were significantly increased after treatment(P<0.05),of which the observation group were significantly higher than those of the control group(P<0.05).The total clinical effective rate of the observation group was significantly higher than that of the control group(P<0.05).There was no significant difference in the incidence of side effects between the two groups(P>0.05).Conclusion:Amiodarone combined with Metoprolol in patients with coronary heart disease arrhythmia can improve the heart rate variability index and improve clinical efficacy without causing a significant increase in side effects.
【Key words】 Amiodarone; Metoprolol; Coronary heart disease; Arrhythmia
First-authors address:Suizhou Zengdu Hospital,Suizhou 441300,China
冠心病是常見心血管疾病,在當前老齡化社會背景下發病率逐漸提高,且部分患者伴有心律失常[1]。胺碘酮與美托洛爾均為冠心病心律失常治療中常用藥物,臨床上對兩者聯用的相關研究較多,但關于兩者聯用對心率變異性(HRV)的影響研究尚少。HRV是對心臟自主神經功能進行評價的無創性指標,在預測心血管疾病預后、評價藥物效果上具有重要意義[2]。為此,本研究將分析冠心病心律失常治療中胺碘酮聯合美托洛爾的療效及對其HRV的影響,現做如下報道。
1 資料與方法
1.1 一般資料
于2017年1月-2019年1月筆者所在醫院冠心病心律失常患者中抽取73例為研究對象。入選標準:與《現代冠心病》中冠心病診斷標準相符[3],表現為胸悶、胸痛、氣短等,經超聲心動圖檢查證實,心率≥120次/min。排除標準:并存其他心臟疾病;肝腎功能異常;心力衰竭;Ⅲ度房室傳導阻滯;意識障礙。隨機分為對照組、觀察組。對照組35例,男21例,女14例;年齡49~75歲,平均(61.3±6.5)歲;冠心病病程4~16年,平均(9.5±1.3)年;美國紐約心臟病學會(NYHA)Ⅰ級14例,Ⅱ級12例,Ⅲ級9例。研究組38例,男23例,女15例;年齡50~74歲,平均(61.4±6.6)歲;冠心病病程4.5~15.5年,平均(9.4±1.2)年;NYHAⅠ級15例,Ⅱ級13例,Ⅲ級10例。兩組臨床資料比較差異無統計學意義(P>0.05)。患者均自愿參與本研究。