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Alterations in Respiratory Heart Rate Variability in Brain-Injured Neuro-ICU Patients Compared With Healthy Humans

2025-11-06 intensive care and critical care medicine Title + abstract only
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BackgroundRespiratory heart rate variability (RespHRV), the physiological variation in heart rate in phase with breathing, is mainly generated by central brainstem mechanisms. Its characteristics and determinants in brain-injured patients in the neuro-intensive care unit (neuro-ICU) are poorly understood. ObjectiveTo characterize RespHRV amplitude and phase in brain-injured patients compared to healthy participants, and to explore clinical variables influencing RespHRV in the neuro-ICU. Method...

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