OBJECTIVE:To observe the effects of electroacupuncture at Neiguan(PC6)at different time points on reperfusion arrhythmia(RA)after myocardial ischemia and reperfusion in rats,and to investigate the correlation of this ...OBJECTIVE:To observe the effects of electroacupuncture at Neiguan(PC6)at different time points on reperfusion arrhythmia(RA)after myocardial ischemia and reperfusion in rats,and to investigate the correlation of this protective effect with nerve growth factor(NGF),tyrosine kinase A(Trk A),tyrosine hydroxylase(TH),and norepinephrine(NE).METHODS:A total of 72 Sprague-Dawley male rats were randomly divided into six groups(n=12 rats/group):normal group(Norm),sham operation group(Sham),ischemia reperfusion group(I/R),pre-ischemic electroacupuncture group(EAI),pre-reperfusion electroacupuncture group(EAII),post-reperfusion electroacupuncture group(EAIII).The myocardial ischemia-reperfusion injury(MIRI)model was induced by occlusion of left anterior descending coronary artery for 20 min followed by reperfusion for 40 min in rats.With no intervention in the Norm group and only threading without ligation in the Sham group.Electroacupuncture pretreatment at 20 min/d for 7 d before ligation in the EAⅠgroup,20 min of electroacupuncture before reperfusion in the EAII group and 20 min of electroacupuncture after reperfusion in the EAIII group.The electrocardiogram(ECG)of each group was recorded throughout the whole process,and the success of the MIRI model was determined based on the changs of J-point and T-wave in the ECG.The arrhythmia score was used to record premature ventricular contractions,ventricular tachycardia and ventricular fibrillation during the reperfusion period to assess the reperfusion induced arrhythmias.The expression levels of NGF,Trk A,TH protein were measured by Western blot.Moreover,the expression levels of plasma and myocardial NE levels were detected by enzyme linked immunosorbent assay.RESULTS:The differences between Norm group and Sham group were not statistically significant in all indexes.Arrhythmia score,myocardial NGF,Trk A,TH,and NE expression were significantly higher in the I/R group compared with the Sham group.Arrhythmia score,myocardial NGF,Trk A,TH,and NE expression were significantly lower in each EA group compared with the I/R group.CONCLUSION:Electroacupuncture at Neiguan(PC6)at different time points can reduce the incidence and severity of reperfusion arrhythmias in rats.This protective effect is related to electroacupuncture regulating NGF,Trk A,TH,NE expression and reducing sympathetic hyperactivation.展开更多
目的观察电针缓解癌痛患者阿片耐受的临床疗效。方法将60例癌痛患者随机分为电针组和对照组,每组30例。两组均使用阿片类药物进行镇痛治疗,电针组取双侧内关和足三里穴进行电针治疗,对照组取双侧内关和足三里穴旁开15 mm处非穴位点进行...目的观察电针缓解癌痛患者阿片耐受的临床疗效。方法将60例癌痛患者随机分为电针组和对照组,每组30例。两组均使用阿片类药物进行镇痛治疗,电针组取双侧内关和足三里穴进行电针治疗,对照组取双侧内关和足三里穴旁开15 mm处非穴位点进行电针治疗。观察两组阿片耐受指数、爆发痛的次数和疼痛缓解持续时间,比较两组治疗前后数字等级评定量表(numeric rating scale,NRS)和欧洲癌症研究与治疗组织生命质量核心量表(European Organization for Research and Treatment of Cancer quality of life questionnaire-C30,EORTC QLQ-C30)评分变化,并比较两组不良反应发生率。结果电针组阿片耐受指数低于对照组(P<0.05),爆发痛次数低于对照组(P<0.05),疼痛缓解持续时间长于对照组(P<0.05)。电针组治疗后情绪、躯体、认知和社会功能及总体健康评分高于治疗前和对照组(P<0.05);电针组治疗后疲倦、恶心呕吐、疼痛、气促、失眠、食欲丧失和便秘评分低于治疗前和对照组(P<0.05)。电针组恶心呕吐和便秘的发生率低于对照组(P<0.05)。结论电针可减少癌痛患者镇痛治疗期间阿片耐受的发生,减轻疼痛,提高生活质量。展开更多
基金Transversal Project:Scenario-based Application of Wearable Devices for the Treatment of Cardiac Arrhythmias with Superficial Stimulation at the Neiguan(PC6)Point Research(BUCM-2022-JS-FW-003)。
文摘OBJECTIVE:To observe the effects of electroacupuncture at Neiguan(PC6)at different time points on reperfusion arrhythmia(RA)after myocardial ischemia and reperfusion in rats,and to investigate the correlation of this protective effect with nerve growth factor(NGF),tyrosine kinase A(Trk A),tyrosine hydroxylase(TH),and norepinephrine(NE).METHODS:A total of 72 Sprague-Dawley male rats were randomly divided into six groups(n=12 rats/group):normal group(Norm),sham operation group(Sham),ischemia reperfusion group(I/R),pre-ischemic electroacupuncture group(EAI),pre-reperfusion electroacupuncture group(EAII),post-reperfusion electroacupuncture group(EAIII).The myocardial ischemia-reperfusion injury(MIRI)model was induced by occlusion of left anterior descending coronary artery for 20 min followed by reperfusion for 40 min in rats.With no intervention in the Norm group and only threading without ligation in the Sham group.Electroacupuncture pretreatment at 20 min/d for 7 d before ligation in the EAⅠgroup,20 min of electroacupuncture before reperfusion in the EAII group and 20 min of electroacupuncture after reperfusion in the EAIII group.The electrocardiogram(ECG)of each group was recorded throughout the whole process,and the success of the MIRI model was determined based on the changs of J-point and T-wave in the ECG.The arrhythmia score was used to record premature ventricular contractions,ventricular tachycardia and ventricular fibrillation during the reperfusion period to assess the reperfusion induced arrhythmias.The expression levels of NGF,Trk A,TH protein were measured by Western blot.Moreover,the expression levels of plasma and myocardial NE levels were detected by enzyme linked immunosorbent assay.RESULTS:The differences between Norm group and Sham group were not statistically significant in all indexes.Arrhythmia score,myocardial NGF,Trk A,TH,and NE expression were significantly higher in the I/R group compared with the Sham group.Arrhythmia score,myocardial NGF,Trk A,TH,and NE expression were significantly lower in each EA group compared with the I/R group.CONCLUSION:Electroacupuncture at Neiguan(PC6)at different time points can reduce the incidence and severity of reperfusion arrhythmias in rats.This protective effect is related to electroacupuncture regulating NGF,Trk A,TH,NE expression and reducing sympathetic hyperactivation.
文摘目的观察电针缓解癌痛患者阿片耐受的临床疗效。方法将60例癌痛患者随机分为电针组和对照组,每组30例。两组均使用阿片类药物进行镇痛治疗,电针组取双侧内关和足三里穴进行电针治疗,对照组取双侧内关和足三里穴旁开15 mm处非穴位点进行电针治疗。观察两组阿片耐受指数、爆发痛的次数和疼痛缓解持续时间,比较两组治疗前后数字等级评定量表(numeric rating scale,NRS)和欧洲癌症研究与治疗组织生命质量核心量表(European Organization for Research and Treatment of Cancer quality of life questionnaire-C30,EORTC QLQ-C30)评分变化,并比较两组不良反应发生率。结果电针组阿片耐受指数低于对照组(P<0.05),爆发痛次数低于对照组(P<0.05),疼痛缓解持续时间长于对照组(P<0.05)。电针组治疗后情绪、躯体、认知和社会功能及总体健康评分高于治疗前和对照组(P<0.05);电针组治疗后疲倦、恶心呕吐、疼痛、气促、失眠、食欲丧失和便秘评分低于治疗前和对照组(P<0.05)。电针组恶心呕吐和便秘的发生率低于对照组(P<0.05)。结论电针可减少癌痛患者镇痛治疗期间阿片耐受的发生,减轻疼痛,提高生活质量。
