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Association between heart rate recovery after exercise and renal function in patients referred for treadmill exercise test.


ABSTRACT: INTRODUCTION:Heart rate recovery (HRR) is a marker of parasympathetic activity recovery after exercise, and it is associated with cardiovascular mortality and total mortality. Impaired renal function is also associated with cardiac mortality. The aim of this study was to investigate the association between HRR after exercise and renal function in patients referred for a treadmill exercise test. PATIENTS AND METHODS:This cross-sectional study was conducted at a regional hospital in southern Taiwan. Patients who completed a symptom-limited treadmill exercise test from January 2015 to February 2018 were recruited. Before the treadmill exercise test, patients were asked to complete a questionnaire on the past disease history and lifestyle factors. Serum creatinine measurement within two years prior to or after the date of the treadmill exercise test of the patients was also obtained from the medical records for these patients. Estimated glomerular filtration rate (eGFR) was calculated. Simple and multiple linear regression analyses were performed to investigate the association between one-minute HRR and eGFR. RESULTS:A total of 2,825 patients completed the treadmill exercise test, and serum creatinine measurement was identified from medical records for 2,153 patients (76.2%). Multiple linear regression analysis revealed that a lower eGFR was significantly associated with lower one-minute HRR (P< 0.001), adjusting for other significant independent factors, including age, waist circumference, type 2 diabetes mellitus, and smoking. CONCLUSIONS:In this cross-sectional observational study, a lower eGFR was significantly and independently associated with decreased one-minute HRR, suggesting that parasympathetic activity recovery after exercise could be impaired by a decrease in renal function.

SUBMITTER: Chang RY 

PROVIDER: S-EPMC6730871 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Association between heart rate recovery after exercise and renal function in patients referred for treadmill exercise test.

Chang Rei-Yeuh RY   Tsai Han-Lin HL   Hsiao Ping-Gune PG   Tan Chao-Wen CW   Lee Chi-Pin CP   Chu I-Tseng IT   Chen Yung-Ping YP   Koo Malcolm M  

PloS one 20190906 9


<h4>Introduction</h4>Heart rate recovery (HRR) is a marker of parasympathetic activity recovery after exercise, and it is associated with cardiovascular mortality and total mortality. Impaired renal function is also associated with cardiac mortality. The aim of this study was to investigate the association between HRR after exercise and renal function in patients referred for a treadmill exercise test.<h4>Patients and methods</h4>This cross-sectional study was conducted at a regional hospital in  ...[more]

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