Heart rate variability correlates with morbidity and mortality
Heart rate variability correlates with morbidity and mortality, as multiple large-scale and clinical studies demonstrate that reduced autonomic modulation reliably predicts adverse cardiovascular outcomes and all-cause death.
The claim posits a correlation between heart rate variability and morbidity and mortality. Multiple retrieved papers explicitly investigate this relationship across diverse clinical populations (elderly patients, critically ill patients with intra-abdominal hypertension, hemodialysis patients, and a massive nationwide tele-ECG cohort) and consistently find that diminished heart rate variability independently predicts adverse outcomes such as cardiovascular disease and mortality. There are no papers refuting this well-established physiological correlation.
Abzaliyev K, Bugibayeva A, Abzaliyeva S, Akhmetova G, Balkanay G, Omarbayeva A, Anartayev S, Zarubekova N, Suleimenova M. Predicting the Risk of Cardiovascular Diseases in the Elderly Based on Clinical Data and Heart Rate Variability Using Machine Learning.. 2026. https://doi.org/10.3390/jcm15135141
Paper [1] demonstrates that reduced heart rate variability is strongly associated with cardiovascular disease and serves as an important prognostic marker in elderly patients.
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Qu N, Zhuang J, Yuan C, Wu K, Zhu Q, Dong X, Chen W, Lu G, Xiao W, Yu X. SOFA score combined with heart rate variability predicts in-hospital mortality in patients with intra-abdominal hypertension: a retrospective study.. 2026. https://doi.org/10.1186/s12911-026-03487-0
Paper [6] finds that diminished heart rate variability independently predicts increased in-hospital mortality among intensive care patients with intra-abdominal hypertension.
Zafer Yalım, Sümeyra Alan Yalım. Autonomic Dysfunction Predicts Long-Term Mortality in Hypotensive Hemodialysis Patients: Prognostic Value of Heart Rate Variability and Turbulence. 2026. https://doi.org/10.21203/rs.3.rs-8743385/v1
Paper [8] establishes that impaired autonomic markers, including heart rate variability and turbulence, predict long-term mortality in hemodialysis patients.
Diego Moraes, Bruno Nascimento, Gabriela Paixao, Paulo Rodrigues Gomes, Magda Pires, Antonio Ribeiro. Abstract 4136776: Prognostic Value of Resting Heart Rate and Heart Rate Variability in the 12-lead Electrocardiogram: Mortality Data From the CODE Nationwide Database. 2024. https://doi.org/10.1161/circ.150.suppl_1.4136776
Paper [10] analyzes a massive nationwide database to confirm that lower heart rate variability is an independent predictor of both all-cause and cardiovascular mortality.
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