无创运动心排血量检测与运动后心率恢复的关系分析

迟晶晶; 韩卫星; 李洁华; 李龙龙; 王敬; 张鑫

doi:10.16766/j.cnki.issn.1674-4152.002537

无创运动心排血量检测与运动后心率恢复的关系分析

doi: 10.16766/j.cnki.issn.1674-4152.002537

1.
安徽医科大学附属阜阳医院心电诊断科，安徽阜阳 236000
2.
安徽医科大学第一附属医院老年心内科，安徽合肥 230022
3.
安徽医科大学附属阜阳医院心胸外科，安徽阜阳 236000

基金项目:

安徽省重点研究与开发项目 201904a07020041

详细信息

通讯作者:
韩卫星, E-mail: ayhwx57@163.com

中图分类号: R540.4
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出版历程
- 收稿日期: 2021-12-29
- 网络出版日期: 2022-09-23

Analysis of relationship between non-invasive cardiac output determination and heart rate recovery after exercise

1.
Department of ECG Diagnosis, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang, Anhui 236000, China

摘要

摘要: 目的探讨次级限量运动负荷试验中运动心功能与运动后心率恢复的相关性及临床意义。方法随机选择2019年8月1日—2021年9月9日在安徽医科大学附属阜阳医院就诊的74例同步行次级限量运动试验及运动心排患者，根据运动中心排血量(CO)的水平分为异常组(35例)和正常组(39例)，对比分析各项临床资料、运动心功能各项指标及平板运动试验的数据。结果 (1) 2组基线资料(年龄、性别、体重指数、病史)差异均无统计学意义(均P＞0.05)；(2)2组静息状态射血分数(EF)及心指数(CI)、左心做功指数(LCWI)、外周血管阻力(SVR)差异均无统计学意义(均P＞0.05)；(3)运动峰值：CI、LCWI异常组较正常组显著减低(均P＜0.01)，SVR异常组较正常组显著增高(P＜0.05)；(4)每搏输出量(SV)在静息及运动峰值时异常组均低于正常组，差异有统计学意义(P＜0.05)；(5)静息心率：异常组为(87.688±12.966)次/min，高于正常组的(77.359±11.226)次/min，P＜0.05；(6)运动后心率恢复：异常组HRR1为(22.971±8.259)次/min，HRR2为(37.229±8.110)次/min，较正常组明显减低[(27.769±9.184)次/min、(42.513±10.298)次/min，均P＜0.05]。结论静息心率和运动后心率恢复与运动心功能密切相关，静息心率高和运动后心率恢复不良均可提示心脏功能受损或不良。
- 运动心排血量 /
- 运动后心率恢复 /
- 次级量运动负荷试验
Abstract: Objective To investigate the correlation between cardiac function during secondary limited exercise load test and heart rate recovery after exercise and its clinical significance. Methods A total of 74 patients admitted to Fuyang Hospital Affiliated to Anhui Medical University from August 1, 2019 to September 9, 2021 were randomly selected from secondary limited exercise treadmill test and exercise cardiac output test. They were divided into abnormal group (n=35) and normal group (n=39) in accordance with the cardiac output (CO) level of the exercise centre. The clinical data, exercise cardiac function index and Submaximal treadmill exercise test data were compared and analysed. Results (1) No significant difference was observed in the baseline data (age, gender, body mass index and medical history) between the two groups (all P > 0.05). (2) No statistical difference was found in the ejection fraction (EF), resting state cardiac index (CI), left cardiac work index (LCWI) and systemic vascular resistance (SVR) between the two groups (all P > 0.05). (3) The peak movement of CI and LCWI of the abnormal group were significantly lower than those of the normal group (all P < 0.01), whilst SVR of the abnormal group was significantly higher than that of the normal group (P < 0.05). (4) For stroke volume (SV) in static, the resting heart rate of abnormal group was lower than that of normal group at peak rest and exercise, with statistical difference (P < 0.05). (5) The resting heart rate of abnormal group [(87.688±12.966) times/min] was higher than that of normal group [(77.359±11.226) times/min, P < 0.05]. (6) For heart rate recovery after exercise, the HRR1 [(22.971±8.259) times/min] and HRR2 [(37.229±8.110) times/min] of abnormal group were significantly lower than those of normal group [(27.769±8.110) times/min and (42.513±10.298) times/min, all P < 0.05]. Conclusion Resting heart rate and post-exercise heart rate recovery are closely related to exercise cardiac function. High resting heart rate and poor heart rate recovery after exercise may indicate impaired or poor cardiac function.
- Exercise cardiac blood volume /
- Heart rate recovery /
- Secondary limited exercise load test

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图 1 CO正常

Figure 1. Normal cardiac output

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图 2 CO减低

Figure 2. Decreased cardiac output

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表 1 2组行次极量运动负荷试验患者基本资料比较

Table 1. Comparison of basic data of two groups of patients

组别	例数	性别(例)		年龄(x±s，岁)	BMI(x±s)	运动平板试验(例)		收缩压(x±s，mm Hg)	舒张压(x±s，mm Hg)	伴血脂异常[例(%)]	伴糖尿病[例(%)]	伴高血压[例(%)]	伴冠心病[例(%)]
组别	例数	男性	女性	年龄(x±s，岁)	BMI(x±s)	阳性	阴性	收缩压(x±s，mm Hg)	舒张压(x±s，mm Hg)	伴血脂异常[例(%)]	伴糖尿病[例(%)]	伴高血压[例(%)]	伴冠心病[例(%)]
异常组	35	22	13	45.943±10.035	24.530±2.666	8	27	122.940±19.225	84.290±11.610	14(40.0)	7(20.0)	9(25.7)	2(5.7)
正常组	39	21	18	47.923±12.583	24.564±3.009	13	26	126.870±12.796	82.280±9.202	8(20.5)	5(12.8)	7(17.9)	3(7.6)
统计量		0.615^a		-0.743^b	-0.051^b	0.996		-1.045^b	0.827^b
P值		0.433		0.460	0.960	0.318		0.300	0.411	0.080^c	0.531^c	0.573^c	0.999^c
注：^a为χ²值，^b为t值，^c为采用Fisher精确检验。

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表 2 2组行次极量运动负荷试验患者心功能指标比较(x±s)

Table 2. Comparison of cardiac function indexes between two groups of patients

组别	例数	SV(mL)		CI[L/(min·m²)]		LCWI[(kg·m)/m²]		SVR[(dyn·s)/cm⁵]		EF(%)
组别	例数	静息状态	运动峰值	静息状态	运动峰值	静息状态	运动峰值	静息状态	运动峰值	静息状态	运动峰值
异常组	35	69.783±15.569	93.306±23.637	3.317±0.879	7.834±1.562	4.497±1.869	11.397±2.614	1 312.800±247.603	629.800±203.749	60.151±9.692	70.689±11.747
正常组	39	79.113±12.203	115.059±20.237	3.367±0.579	9.282±1.413	4.508±0.958	13.500±2.600	1 319.080±260.313	520.462±94.064	61.192±11.743	71.759±12.549
t值		-2.884	-4.264	-0.289	-4.187	-0.031	-3.465	-0.106	3.014	-0.413	-0.378
P值		0.005	＜0.001	0.773	＜0.001	0.975	＜0.001	0.916	0.004	0.681	0.707

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表 3 2组行次极量运动负荷试验患者心率恢复相关指标比较

Table 3. Comparison of related indexes of heart rate recovery between two groups of patients

组别	例数	初始心率(x±s，次/min)	峰值心率(x±s，次/min)	HRR1(x±s，次/min)	HRR2(x±s，次/min)	HRR3(x±s，次/min)	运动心率峰值时间(x±s，min)	心率恢复平稳时间(例)
组别	例数	初始心率(x±s，次/min)	峰值心率(x±s，次/min)	HRR1(x±s，次/min)	HRR2(x±s，次/min)	HRR3(x±s，次/min)	运动心率峰值时间(x±s，min)	＜4 min	≥4 min且＜6 min	≥6 min
异常组	35	88.110±13.584	151.657±11.448	22.971±8.259	37.229±8.110	45.114±10.437	13.491±4.386	18	13	4
正常组	39	77.359±11.226	146.154±13.416	27.769±9.184	42.513±10.298	48.564±9.489	14.066±3.477	17	15	7
统计量		3.727^a	1.887^a	-2.353^a	-2.433^a	-1.489^a	-0.629^a	-0.817^b
P值		＜0.001	0.063	0.021	0.017	0.141	0.531	0.414
注：^a为t值，^b为Z值。

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