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Erschienen in: European Journal of Applied Physiology 10/2022

20.07.2022 | Original Article

Correlation between impaired hemodynamic response and cardiopulmonary fitness in middle-aged type 2 diabetes mellitus patients: a case–control study

verfasst von: Jinjin Xie, Lianhua Yin, Jia Huang, Ying Xu, Yannan Chen, Jiawei Qin, Zhizhen Liu, Jing Tao

Erschienen in: European Journal of Applied Physiology | Ausgabe 10/2022

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Abstract

Purpose

Impaired cardiorespiratory fitness (CRF) is a predictor of mortality in patients with type 2 diabetes mellitus (T2DM). It is still not known how the exercise hemodynamic response correlates with CRF. The purpose was to assess the correlation between hemodynamic changes and CRF in middle-aged patients with T2DM.

Methods

After 1:1 matching by age and sex, 139 T2DM patients and 139 non-T2DM controls who completed the exercise treadmill test were included. Maximal aerobic capacity (VO2max), exercise-induced changes in heart rate (ΔHR), systolic blood pressure (ΔSBP), diastolic blood pressure (ΔDBP), and rate-pressure product (ΔRPP) were measured. HRR1 was calculated as the maximum heart rate minus the heart rate after 1 min of rest.

Results

Compared to the control population, T2DM patients had decreased ΔHR (87 (77, 97) v 93 (84, 104) bpm, p < 0.05), ΔRPP (3833.64 ± 1670.34 v 4381.16 ± 1587.78 bpm∙mmHg, p < 0.05), HRR1 (21 (14, 27) v 21 (17, 27) bpm, p < 0.05), and VO2max (32.76 ± 5.63 v 34.68 ± 5.70 ml/kg/min, p < 0.05). Multiple linear regression analysis showed that ΔHR and HRR1, yielded a positive correlation with VO2max in T2DM patients (β = 0.325, P < 0.001; β = 0.173, P = 0.01).

Conclusion

The presence of impaired hemodynamic response and VO2max in middle-aged T2DM patients and the association of impaired ΔHR, HRR1, and VO2max may indicate a physiological pathway of impaired CRF, and our results support the need for cardiorespiratory screening and individualized treatment of middle-aged T2DM patients.
Literatur
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Metadaten
Titel
Correlation between impaired hemodynamic response and cardiopulmonary fitness in middle-aged type 2 diabetes mellitus patients: a case–control study
verfasst von
Jinjin Xie
Lianhua Yin
Jia Huang
Ying Xu
Yannan Chen
Jiawei Qin
Zhizhen Liu
Jing Tao
Publikationsdatum
20.07.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Applied Physiology / Ausgabe 10/2022
Print ISSN: 1439-6319
Elektronische ISSN: 1439-6327
DOI
https://doi.org/10.1007/s00421-022-05008-z

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