N/A N=6 Heart Rate Variability and Prematurity
Premature Birth · Maternal Distress - Delivered · Stress
Primary: Feasibility: Acceptance (Ratio) — 33.3 percentage of <participants>
Clinical Trial Search
Completed trials with posted results — search by concept, filter by the parameters that matter at the bedside.
N/A N=95 Heart Rate Variability in Trauma Patients
Trauma
Primary: Base Deficit </= -6 — 12 participants
N/A N=19 Relaxation and Heart Rate Variability
Cancer
Primary: Differences Between Pre/Post ESAS Score — -9.1 units on a scale
N/A N=120 Heart Rate Variability Biofeedback for Substance Use Disorder: A Randomized Clinical Trial
Substance Use Disorders
Primary: Heart Rate Variability Biofeedback Engagement — 15; 0 Participants
Phase 2 N=10 Heart Rate Variability Biofeedback for Smoking Cessation
Tobacco Smoking
Primary: Intervention Feasibility: Participant Attendance — 6.30; 8.71 Sessions
N/A N=10 Skin to Skin and Heart Rate Variability
Heart Rate Variability · Preterm Infant
Primary: Heart Rate Variability — 9.68 ms
N/A N=113 HRV Biofeedback in Pain Patients
Chronic Neuromuscular Pain
Primary: Pain Interference Rating, Measured With the Brief Pain Inventory (BPI) — 7.2; 7.4; 6.2; 6.9 score on a scale — p=<0.01
Phase 2 N=28 Heart Rate Variability Biofeedback for Smoking Cessation Treatment
Tobacco Smoking
Primary: Intervention Feasibility: Participant Attendance — 5.32 Sessions
N/A N=68 Heart Rate Variability Biofeedback: It's Role in Asthma Therapeutics
Asthma
Primary: Magnitude Change of Airway Reactivity Measured by Methacholine PC20FEV1 — 2.9782; 2.1181 mg/ml — p=>0.1
N/A N=32 Physical Training and Heart Rate Variability in COPD
Chronic Obstructive Pulmonary Disease (COPD)
Primary: The SD1 Index, a Nonlinear Index of Heart Rate Variability (HRV)That Represents the Parassimpatetic Activity. — 3.7; 2.8; 7.1; 2.5 miliseconds
Phase 4 N=33 Effect of Glycemic Variability on Autonomic Tone in Hospitalized Patients With Type 2 Diabetes
Type 2 Diabetes · Inpatient
Primary: Difference Between Heart Rate Variability Between Intravenous and Subcutaneous Group — 1.0; 2.6 none (ratio) — p=0.05
N/A N=65 Does Heart Rate Variablity (HRV) Predict Hypotension in Patients Undergoing Cervical Myelopathy Surgery ?
Heart Rate Variability
Primary: Heart Rate Variability (HRV) — 1439; 2191 ms2
N/A N=10 The Care After Life-threatening Medical Events Study
Cardiac Arrest · Fear
Primary: Percentage of Eligible Cardiac Arrest (CA) Survivors Whom we Approach Who Ultimately Agree to Participate in the Pilot Study — 83.33 percentage of participants who…
N/A N=48 Perceived Social Support, Heart Rate Variability, and Hopelessness in Patients With Ischemic Heart Disease
Ischemic Heart Disease
Primary: State Hopelessness — 1.25 units on a scale — p=<0.05
N/A N=300 HIRREM Developmental Study
Sleep Initiation and Maintenance Disorders · Anxiety · Post-Traumatic Stress Disorder
Primary: Heart Rate Variability Standard Deviation of NN Intervals (SDNN) — 44.41 milliseconds
N/A N=17 Slow Yogic-Derived Breathing and Respiration and Cardiovascular Variability in Spinal Cord Injury Patients
Spinal Cord Injuries · Slow Breathing
Primary: HRV — 1421; 813; 3173; 2819 ms^2
Phase 2 N=61 Heart Rate Variability in Response to Metformin Challenge
Fibromyalgia · Mitochondrial Diseases · Movement Disorders
Primary: Heart Rate Variability (Time Domain) — 0.92; 0.83 msec/msec — p=0.77
Phase 4 N=26 Effects of Escitalopram on Autonomic Reactivity in Post Traumatic Stress Disorder
PTSD
Primary: High Frequency Heart Rate Variability — 6.31; 5.48 ln(msec)
N/A N=52 Mindfulness and Neural Cardiovascular Control in Humans
Elevated Blood Pressure
Primary: Muscle Sympathetic Nerve Activity — -2; -1 bursts per minute — p=0.51
N/A N=56 The Effects of Emotional Exposure on State Anxiety
Generalized Anxiety Disorder
Primary: STAI-Y1 Score Assessed at Baseline, Post-Condition and Post-Exposure — 33.48; 33.53; 27.43; 29.78 score on a scale — p=>.05
N/A N=40 Effects of Biofeedback in Patients With Acute Cerebral Infarction
Acute Ischemic Stroke · Biofeedback · Autonomic Dysfunction, Cognitive Function
Primary: Changes From Baseline Psychological Distress (Anxiety and Depression) at 1 and 3 Months — 14.74; 14.75; 13.11; 14.25 score on a scale
N/A N=18 Assessing Visual Feedback of HR Monitoring in Rehabilitation - Pilot
Exercise Therapy · Heart Rate Determination
Primary: Provider Behavior — 0.38; 0.48; 0.62; 1.43 observations — p=0.73
N/A N=100 Validation of a Vital Signs Monitoring Wristband
Coronary Artery Disease
Primary: RMSE of Heart Rate — 1.3 beats per minute
N/A N=3,003 Impact of Heart Rate Characteristics Monitoring in Neonates
Sepsis
Primary: Number of Ventilator-free Days — 95.9; 93.6 days — p=0.08
Phase 4 N=67 Heart Rate Regularization in Patients With Permanent Atrial Fibrillation Post Marketing Study
Permanent Atrial Fibrillation
Primary: Patients Mode Preference (VRS ON, VRS OFF, NO PREFERENCE) — 32; 32; 15; 15 participants — p=<0.0001
N/A N=100 Accuracy of Commercially Available Heart Rate Monitors II
Healthy
Primary: Primary Outcome Measure: Heart Rate Monitor Accuracy Compared to ECG Expressed as Correlation Coefficient. — .67; .81; .83; .92 Concordance Correlation Coefficient wECG
N/A N=86 Clinical Performance of Masimo INVSENSOR00057 for Heart Rate Measurements
Healthy
Primary: Heart Rate Accuracy of Masimo INVSENSOR00057 — 1.38 bpm
N/A N=200 Accuracy of Commercially Available Heart Rate Monitors
Healthy
Primary: Measuring the Accuracy of Commercial Heart Rate Monitors. — .91; .84; .91; .83 Correlation Coefficient
Phase 4 N=21 Effect of CES on Parasympathetic Tone
Autonomic Nervous System Imbalance
Primary: Change in High Frequency Heart Rate Variability — 5.10; 5.14; 5.00; 5.12 Units on a Log Scale — p=<.02
N/A N=13 Effect of Chronic Changes in Heart Rate on Congestive Heart Failure
Heart Failure, Congestive
Primary: Ejection Fraction — 33; 30; 25 % of blood ejected with each beat