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Fractal correlation properties of HRV as a noninvasive biomarker to assess the physiological status of triathletes during simulated warm-up sessions at low exercise intensity: a pilot study
BackgroundThe non-linear index alpha 1 of Detrended Fluctuation Analysis (DFA a1) of heart rate variability, has been shown to be a marker of fatigue...
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Effects of marathon training on heart rate variability during submaximal running: a comparison of analysis techniques
PurposeAssessment of heart rate variability (HRV) during exercise is an emerging area of study. Measurements of HRV are characterized by domain...
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The prognostic value of intraoperative HRV during anesthesia in patients presenting for non-cardiac surgery
ObjectiveTo examine the prognostic value of HRV measurements during anesthesia for postoperative clinical outcomes prediction using machine learning...
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Assessment of spatiotemporal characteristics of gait, trough the Phyphox® app: a case series
BackgroundSpatiotemporal characteristics from human locomotion can provide effective clinical metrics to assess motor control and brain function....
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Cortical excitation/inhibition ratios in patients with major depression treated with electroconvulsive therapy: an EEG analysis
Electroconvulsive therapy (ECT) is an effective treatment for major depression, but its working mechanisms are poorly understood. Modulation of...
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Preoperative heart rate variability as a predictor of perioperative outcomes: a systematic review without meta-analysis
Heart rate variability (HRV) is a predictor of mortality and morbidity after non-lethal cardiac ischemia, but the relation between preoperatively...
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The futility of long-term predictions in bipolar disorder: mood fluctuations are the result of deterministic chaotic processes
BackgroundUnderstanding the underlying architecture of mood regulation in bipolar disorder (BD) is important, as we are starting to conceptualize BD...
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Evaluation of a wrist-worn photoplethysmography monitor for heart rate variability estimation in patients recovering from laparoscopic colon resection
To evaluate the accuracy of heart rate variability (HRV) parameters obtained with a wrist-worn photoplethysmography (PPG) monitor in patients...
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Cardiovascular autonomic nervous system function and hip fracture risk: the Cardiovascular Health Study
SummaryAmong 1299 older adults with 24-h Holter monitoring data at baseline, followed for approximately 15 years, 190 incident hip fractures...
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Measures of fragmentation of rest activity patterns: mathematical properties and interpretability based on accelerometer real life data
Accelerometers, devices that measure body movements, have become valuable tools for studying the fragmentation of rest-activity patterns, a core...
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Detection of Depression and Scaling of Severity Using Six Channel EEG Data
Depression is a psychiatric problem which affects the growth of a person, like how a person thinks, feels and behaves. The major reason behind wrong...
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Activation of the stress response among the cardiac surgical residents: comparison of teaching procedures and other (daily) medical activities
BackgroundThe aim of this Pilot study was to investigate the cardiac surgical residents’ workload during different surgical teaching interventions...
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Approaches for Assessing Circadian Rest-Activity Patterns Using Actigraphy in Cohort and Population-Based Studies
Purpose of ReviewTo review methods for analyzing circadian rest-activity patterns using actigraphy and to discuss their applications in large cohort...
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Linear and non-linear analysis of heart rate variability in HIV-positive patients on two different antiretroviral therapy regimens
BackgroundCardiac autonomic dysfunction in HIV+ patients on different antiretroviral therapy (ART) regimens has been described. We aimed to...
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The role of comorbid depressive symptoms on long-range temporal correlations in resting EEG in adults with ADHD
Attention deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder, characterized by core symptoms of inattention, hyperactivity and...
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Early prognostication of neurological outcome by heart rate variability in adult patients with out-of-hospital sudden cardiac arrest
BackgroundMost deaths of comatose survivors of out-of-hospital sudden cardiac arrest result from withdrawal of life-sustaining treatment (WLST)...
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Predictor role of heart rate variability in subarachnoid hemorrhage: A systematic review
Background- Subarachnoid hemorrhage (SAH) is one of the most devastating diseases with a high rate of morbidity and mortality. The heart rate...
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Classification of Mammographic ROI for Microcalcification Detection Using Multifractal Approach
Microcalcifications (MCs) are the main signs of precancerous cells. The development of aided-system for their detection has become a challenge for...