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Showing 1-20 of 126 results
  1. 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

    Background

    The non-linear index alpha 1 of Detrended Fluctuation Analysis (DFA a1) of heart rate variability, has been shown to be a marker of fatigue...

    Marcelle Schaffarczyk, Bruce Rogers, ... Thomas Gronwald in BMC Sports Science, Medicine and Rehabilitation
    Article Open access 01 December 2022
  2. Effects of marathon training on heart rate variability during submaximal running: a comparison of analysis techniques

    Purpose

    Assessment of heart rate variability (HRV) during exercise is an emerging area of study. Measurements of HRV are characterized by domain...

    Christopher J. Lundstrom, George R. Biltz, ... Eric M. Snyder in Sport Sciences for Health
    Article 01 April 2023
  3. The prognostic value of intraoperative HRV during anesthesia in patients presenting for non-cardiac surgery

    Objective

    To examine the prognostic value of HRV measurements during anesthesia for postoperative clinical outcomes prediction using machine learning...

    Jiahe Niu, Yonghao Lu, ... Rui Jiang in BMC Anesthesiology
    Article Open access 09 May 2023
  4. Assessment of spatiotemporal characteristics of gait, trough the Phyphox® app: a case series

    Background

    Spatiotemporal characteristics from human locomotion can provide effective clinical metrics to assess motor control and brain function....

    Carolina A. Cabo, Orlando Fernandes, ... Jose A. Parraca in Journal of Medical Case Reports
    Article Open access 29 December 2023
  5. 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...

    Sven Stuiver, Julia C. M. Pottkämper, ... Jeroen A. van Waarde in European Archives of Psychiatry and Clinical Neuroscience
    Article Open access 10 November 2023
  6. 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...

    Mikkel Nicklas Frandsen, Jesper Mehlsen, ... Henrik Kehlet in Journal of Clinical Monitoring and Computing
    Article Open access 29 January 2022
  7. The futility of long-term predictions in bipolar disorder: mood fluctuations are the result of deterministic chaotic processes

    Background

    Understanding the underlying architecture of mood regulation in bipolar disorder (BD) is important, as we are starting to conceptualize BD...

    Abigail Ortiz, Kamil Bradler, ... Martin Alda in International Journal of Bipolar Disorders
    Article Open access 01 October 2021
  8. 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...

    Juha K. A. Rinne, Seyedsadra Miri, ... Jyrki Kössi in Journal of Clinical Monitoring and Computing
    Article Open access 08 April 2022
  9. Cardiovascular autonomic nervous system function and hip fracture risk: the Cardiovascular Health Study

    Summary

    Among 1299 older adults with 24-h Holter monitoring data at baseline, followed for approximately 15 years, 190 incident hip fractures...

    Phyllis K. Stein, Petra Buzkova, ... Joshua I. Barzilay in Archives of Osteoporosis
    Article 31 October 2021
  10. 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...

    Ian Meneghel Danilevicz, Vincent Theodoor van Hees, ... Séverine Sabia in BMC Medical Research Methodology
    Article Open access 07 June 2024
  11. Monitoring chaos at the cot-side

    Michael J. Beacom, Martin G. Frasch, ... Alistair J. Gunn in Pediatric Research
    Article Open access 20 March 2024
  12. 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...

    Shalini Mahato, Nishant Goyal, ... Sanchita Paul in Journal of Medical Systems
    Article 21 May 2020
  13. Activation of the stress response among the cardiac surgical residents: comparison of teaching procedures and other (daily) medical activities

    Background

    The aim of this Pilot study was to investigate the cardiac surgical residents’ workload during different surgical teaching interventions...

    George Awad, Robert Pohl, ... Irina Böckelmann in Journal of Cardiothoracic Surgery
    Article Open access 11 May 2022
  14. Approaches for Assessing Circadian Rest-Activity Patterns Using Actigraphy in Cohort and Population-Based Studies

    Purpose of Review

    To review methods for analyzing circadian rest-activity patterns using actigraphy and to discuss their applications in large cohort...

    Chenlu Gao, Shahab Haghayegh, ... Peng Li in Current Sleep Medicine Reports
    Article Open access 31 October 2023
  15. Linear and non-linear analysis of heart rate variability in HIV-positive patients on two different antiretroviral therapy regimens

    Background

    Cardiac autonomic dysfunction in HIV+ patients on different antiretroviral therapy (ART) regimens has been described. We aimed to...

    Anderson José Gonçalves, Marcus Vinícius Almeida Braga, ... Dalmo Correia in BMC Infectious Diseases
    Article Open access 29 September 2021
  16. 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...

    Jue Huang, Eike Ahlers, ... Maria Strauß in European Archives of Psychiatry and Clinical Neuroscience
    Article Open access 04 July 2022
  17. Early prognostication of neurological outcome by heart rate variability in adult patients with out-of-hospital sudden cardiac arrest

    Background

    Most deaths of comatose survivors of out-of-hospital sudden cardiac arrest result from withdrawal of life-sustaining treatment (WLST)...

    Hiroshi Endoh, Natuo Kamimura, ... Masakazu Nitta in Critical Care
    Article Open access 17 October 2019
  18. 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...

    Sanket Agrawal, Kristof Nijs, ... Tumul Chowdhury in Journal of Clinical Monitoring and Computing
    Article 19 June 2023
  19. 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...

    Nadia Kermouni Serradj, Mahammed Messadi, Sihem Lazzouni in Journal of Digital Imaging
    Article Open access 19 July 2022
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