1.南方医科大学珠江医院心内科//珠江医院心脏中心实验室,广东 广州 510280
2.首都医科大学附属北京友谊医院心内科,北京100050
张秀丽,博士,主治医师,研究方向:心血管疾病机制,E-mail: zhangxiuli2030@163.com
收稿:2021-02-26,
纸质出版:2021-07-20
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张秀丽,吴智业,王秋实等.慢性心力衰竭与外周血白细胞端粒长度的相关性[J].中山大学学报(医学科学版),2021,42(04):557-562.
ZHANG Xiu-li,WU Zhi-ye,WANG Qiu-shi,et al.Association Between Telomere Length of Peripheral Blood Leukocytes and Chronic Heart Failure[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(04):557-562.
张秀丽,吴智业,王秋实等.慢性心力衰竭与外周血白细胞端粒长度的相关性[J].中山大学学报(医学科学版),2021,42(04):557-562. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0411.
ZHANG Xiu-li,WU Zhi-ye,WANG Qiu-shi,et al.Association Between Telomere Length of Peripheral Blood Leukocytes and Chronic Heart Failure[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(04):557-562. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0411.
目的
2
探讨外周血白细胞端粒长度与慢性心力衰竭(CHF)发生风险的相关性。
方法
2
本研究招募了224例患者,根据左心室射血分数分为非CHF(Non-CHF)组(117例)和CHF组(107例),用实时荧光定量多聚核苷酸链式反应( qPCR) 进行外周血白细胞端粒长度的测量。比较Non-CHF组和CHF组患者端粒长度,并采用二元 Logistic回归模型分析端粒长度与CHF发生风险是否相关。
结果
2
Non-CHF组和CHF组患者外周血白细胞端粒相对长度分别为0.9(0.64~1.18)、0.7(0.53~0.89),CHF组患者的端粒长度比Non-CHF组患者缩短,差异有统计学意义 (
P
<
0.001),且端粒长度与CHF发生风险相关[OR=0.17, 95% CI为 (0.07, 0.40),
P
<
0.05]。在调整了混杂因素后,端粒长度仍与CHF发生风险相关[OR=0.14, 95% CI为 (0.05, 0.33),
P
<
0.05]。
结论
2
研究结果显示外周血白细胞端粒长度与CHF发生风险独立相关。
Objective
2
To explore the association between telomere length of leukocytes and chronic heart failure (CHF).
Methods
2
A total of 224 patients were recruited in this study. The patients were divided into non-CHF (Non-CHF) group (involving 117 patients) and CHF group (involving 107 patients) according to left ventricular ejection fraction. Telomere length of peripheral blood leukocytes was measured by real-time fluorescence quantitative polynucleotide chain reaction (qPCR). Telomere length of leukocytes was compared between Non-CHF group and CHF group. Binary Logistic regression model was used to analyze the association between telomere length and CHF.
Results
2
Telomere length in Non-CHF patients and CHF patients was 0.9(0.64~1.18), 0.7(0.53~0.89), respectively. Telomere length was shorter in CHF patients than in Non-CHF patients (
P
<
0.001). Further results showed that telomere length was associated with CHF [OR=0.17, 95% CI was (0.07, 0.40),
P
<
0.05]. After adjusting confounding factors, telomere length was still associated with CHF [OR=0.14, 95% CI was ( 0.05, 0.33),
P
<
0.05].
Conclusion
2
The results show that telomere length of peripheral blood leukocytes is independently associated with CHF.
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