临床和实验医学杂志
臨床和實驗醫學雜誌
림상화실험의학잡지
JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE
2015年
16期
1351-1353
,共3页
急性心肌梗死%经皮冠状动脉介入术%QT 离散度%心率变异性
急性心肌梗死%經皮冠狀動脈介入術%QT 離散度%心率變異性
급성심기경사%경피관상동맥개입술%QT 리산도%심솔변이성
Acute myocardial infarction%Percutaneous coronary intervention%QT dispersion%Heart rate variability
目的:探讨经皮冠状动脉介入术(PCI)治疗急性心肌梗死(AMI)前后 QT 离散度(QTd)和心率变异性(HRV)的变化。方法选取2013年6月至2014年6月间成功实施 PCI 的 AMI 患者78例为观察组,另选同期健康志愿者60例为对照组。观察组在 PCI 前及术后2周检测 QTd 和 HRV 相关指标,对照组在入组时检测。HRV 指标主要包括24 h 全部正常 RR 间期标准差(SDNN)、每5 min RR 间期均值的标准差(SDANN)及正常相邻 RR 间期差值的均方根(rMSSD)、相邻 R - R 间期相差≥50 ms 占总窦性心率的百分数(PNN50)等。结果 QTd 及 QT 矫正离散度(QTcd)在正常对照组及 AMI 患者 PCI 治疗前后之间比较,差异有统计学意义( F =660.300,F =499.095,P ﹤0.05),观察组治疗后 QTd 及 QTcd 明显低于治疗前( P ﹤0.05),但仍高于正常水平( P ﹤0.05)。观察组治疗前、治疗后与对照组之间有关 SDNN、SADNN、rMSSD 及 PNN50比较,差异均有统计学意义( F =103.068,F =69.145,F =89.471,F =45.27,P 均﹤0.05)。治疗前后 HRV 时域各指标比较,均较治疗前升高( P ﹤0.05),但仍低于正常水平( P ﹤0.05)。结论 HRV及 QTd 联合分析,可对 AMI 患者诊治和预后做相对准确的评估。
目的:探討經皮冠狀動脈介入術(PCI)治療急性心肌梗死(AMI)前後 QT 離散度(QTd)和心率變異性(HRV)的變化。方法選取2013年6月至2014年6月間成功實施 PCI 的 AMI 患者78例為觀察組,另選同期健康誌願者60例為對照組。觀察組在 PCI 前及術後2週檢測 QTd 和 HRV 相關指標,對照組在入組時檢測。HRV 指標主要包括24 h 全部正常 RR 間期標準差(SDNN)、每5 min RR 間期均值的標準差(SDANN)及正常相鄰 RR 間期差值的均方根(rMSSD)、相鄰 R - R 間期相差≥50 ms 佔總竇性心率的百分數(PNN50)等。結果 QTd 及 QT 矯正離散度(QTcd)在正常對照組及 AMI 患者 PCI 治療前後之間比較,差異有統計學意義( F =660.300,F =499.095,P ﹤0.05),觀察組治療後 QTd 及 QTcd 明顯低于治療前( P ﹤0.05),但仍高于正常水平( P ﹤0.05)。觀察組治療前、治療後與對照組之間有關 SDNN、SADNN、rMSSD 及 PNN50比較,差異均有統計學意義( F =103.068,F =69.145,F =89.471,F =45.27,P 均﹤0.05)。治療前後 HRV 時域各指標比較,均較治療前升高( P ﹤0.05),但仍低于正常水平( P ﹤0.05)。結論 HRV及 QTd 聯閤分析,可對 AMI 患者診治和預後做相對準確的評估。
목적:탐토경피관상동맥개입술(PCI)치료급성심기경사(AMI)전후 QT 리산도(QTd)화심솔변이성(HRV)적변화。방법선취2013년6월지2014년6월간성공실시 PCI 적 AMI 환자78례위관찰조,령선동기건강지원자60례위대조조。관찰조재 PCI 전급술후2주검측 QTd 화 HRV 상관지표,대조조재입조시검측。HRV 지표주요포괄24 h 전부정상 RR 간기표준차(SDNN)、매5 min RR 간기균치적표준차(SDANN)급정상상린 RR 간기차치적균방근(rMSSD)、상린 R - R 간기상차≥50 ms 점총두성심솔적백분수(PNN50)등。결과 QTd 급 QT 교정리산도(QTcd)재정상대조조급 AMI 환자 PCI 치료전후지간비교,차이유통계학의의( F =660.300,F =499.095,P ﹤0.05),관찰조치료후 QTd 급 QTcd 명현저우치료전( P ﹤0.05),단잉고우정상수평( P ﹤0.05)。관찰조치료전、치료후여대조조지간유관 SDNN、SADNN、rMSSD 급 PNN50비교,차이균유통계학의의( F =103.068,F =69.145,F =89.471,F =45.27,P 균﹤0.05)。치료전후 HRV 시역각지표비교,균교치료전승고( P ﹤0.05),단잉저우정상수평( P ﹤0.05)。결론 HRV급 QTd 연합분석,가대 AMI 환자진치화예후주상대준학적평고。
Objective To explore changes of QT dispersion( QTd)and heart rate variability( HRV)in acute myocardial infarction (AMI)before and after percutaneous coronary intervention(PCI). Methods 78 cases of AMI with the treatment of PCI from June 2013 to June 2014 were selected as observation group and 60 healthy volunteers as control group. QTd and HRV related indexes were detected in observation group before and after 2 weeks of PCI. HRV related indexes mainly included standard deviation of normal to normal Intervals(SDNN),standard deviation of all mean 5 - minute NN intervals(SDANN),root mean square of the successive differences(rMSSD)and NN50 count divided by the total number of all NN intervals(PNN50). The indexes in control group were detected too. Results About the level of QTd and corrected QT dis-persion(QTcd),there were significant differences between control group,before and after PCI in observation group( F = 660. 300;F = 499. 095,P ﹤ 0. 05). After treatment,the level of QTd and QTcd were lower than before treatment( P ﹤ 0. 05),but still higher than those of control group( P ﹤ 0. 05). There were significant differences between control group,before and after PCI in observation group about the level of SDNN, SDANN,rMSSD and PNN50( F = 103. 068;F = 69. 145;F = 89. 471;F = 45. 27,P ﹤ 0. 05). After treatment,the level of SDNN,SDANN, rMSSD and PNN50 were higher than before treatment( P ﹤ 0. 05),but still lower than those of control group( P ﹤ 0. 05). Conclusion Detec-tion of HRV combined with QTd can evaluate more accuracy to the treatment and prognosis of patients with AMI.