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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 32 for “"RMSSD"”.
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Modeling the Impact of Heart Rate Variability on Blood Pressure in Simulated Atrial Fibrillation Using the BioGears Physiology Engine
… the root mean square of successive differences (RMSSD), influences beat-to-beat hemodynamic stability. Synthetic RR interval sequences were generated to span a physiological AF RMSSD range (80–250 ms) and imposed onto the BioGears cardiovascular model across ten virtual patients. For each …
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Monitoring Fatigue Status in Elite Soccer Players
… (HRRbpm and HRR%), heart rate variability (rMSSD and LnrMSSD) and salivary immunoglobulin-A (S-IgA) were measured during the morning on two consecutive non-training days in thirty-five English Premiership players. Mean values of perceived ratings of wellness (7-13 %CV), CMJ (4 %CV) HRex (3 …
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Effect of Postmenopausal Hormone Replacement Therapy on Heart Rate Variability
… and, to a lesser extent, for values of PNN50 and rMSSD. Decreases in SDNN and SDANN were unexpected and merit further investigation.</p> <p>White PMW showed no significant differences before/after HRT ; Black PMW demonstrated significant improvement in TotalHertz (p=.01), LowHertz (p=.03), …
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Effect of Moderate Versus High-Intensity Interval Exercise Training on Heart Rate Variability Parameters in Inactive Latin-American Adults: A Randomised Clinical Trial
… deviation of normal-to-normal intervals; rMSSD, Root mean square successive difference of RR intervals and frequency domain: HFLn, high-frequency spectral power; LF, low-frequency spectral power and HF/LF ratio) were measured at baseline and 12 weeks thereafter. The SDNN changes were 3.4 …
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Sveikų žmonių širdies ritmo variabilumo kitimas virtualios realybės seanso įtakoje /
… Nine HRV parameters were analyzed in total: RMSSD, LF/HF ratio, normalized LF, normalized HF, pNN50, heart rate, rrHRV, IQR and R-R intervals. Statistical analysis revealed no statistically significant changes in these parameters between the two measurements in any of the three analyzed …
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Military Sexual Trauma Exposure and Heart Rate Variability Outcomes in Female Veterans
… between adjacent normal to normal intervals (RMSSD) were the primary comparison outcome measures and were derived from the mean of three 10-second ECG or Holter tracings for each subject. The MST universal screening tool, the PTSD ChecklistCivilian instrument, and the Patient Health …
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Effects of a Pregnancy Lifestyle Intervention on Emotion Regulation in Infants Responding to a Toy Removal Task at One-Year of Age
… p=0.167), with a significant increase in HRV (RMSSD: Z= -2.90, p
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The association of physical activity with prediabetes/type 2 diabetes and cardiac autonomic function
… models were used to examine differences in RMSSD and SDNN in groups cross-classified by MVPA or SED with pre/T2D, adjusting for age, body mass index, sex, education, nutrition, smoking status, alcohol use, cardiovascular disease, and MVPA or SED where appropriate. Having pre/T2D, regardless …
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The Relation of Heart Rate Variability and Body Weight Change in Conducting Community-based Obesity Control Program
… Standard Deviation of N-N interval (SDNN), RMSSD (Root-Mean-Square of Successive Differences), Total Power (TP), Low Frequency(LF), High Frequency (HF), LF/HF ratio를 측정하였다. 비만 치료는 정형화된 식사요법과 운동, 행동교정을 병행하였다. 비만 치료 12주 후에 신체 검사 및 혈액 검사를 다시 하여 그 변화 정도와 기저 HRV와 비교하였다. 결과: 총 102명의 대상자 중 96명이 …
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Autonomic Nervous System Correlates of Emotion Regulation in Autistic Adults
… (RSA), root mean square successive differences (rMSSD), and skin conductance level (SCL), and subjective ratings of valence and arousal at rest and while viewing emotional film clips and engaging in emotion regulation in autistic adults. The study consisted of 31 autistic and 31 non-autistic …
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Controlling for Acute Caffeine Intake in Cardiovascular Reactivity Research
… root mean squared successive differences (RMSSD), systolic and diastolic blood pressures (SBP, DBP), mean arterial pressure (MAP), pre-ejection period (PEP), left ventricular ejection time (LVET), and total peripheral resistance (TPR). Results support the adequacy of a six-hour abstention …
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NBA Sleep Tracking Data Imputation
… on key sleep metrics such as sleep duration, rMSSD (Root Mean Square of the Successive Differences between Heartbeats), and average heart rate. Results indicate K-Nearest Neighbors Regression and Linear Interpolation, with access to data in the past and future (offline imputation), as the …
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Analysis of Heart Rate Variability in Female Patient with Overactive Bladder
… 평균 SDNN (standard deviation of NN interval)와 RMSSD (square root of mean squared difference of successive NN intervals)는 대조군과 비교하여 통계적인 차이가 없었다. 심박동수 변이의 frequency domain 지표 분석에서 환자군의 total power (TP), high frequency (HF)는 대조군과 비교하여 통계적으로 유의하게 감소하였고, 이외의 다른 지표인 very low frequency (VLF), low …
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Influence of Pre-pregnancy and During Pregnancy Exercise On Infant Heart Outcomes
… Measures of HRV included for analysis were SDNN, RMSSD, Total Power, VLF, LF, HF, and LF:HF ratio, which are representative of improved sympathetic, parasympathetic, and overall autonomic development. Participants were analyzed using t-tests between active and inactive women before pregnancy, …
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Donepezil’s Effect on Cardiac Function in Patients with Alzheimer’s Disease through an In Vivo, Non Invasive Measure of Cardiac Autonomic Function
… (Low Frequency Power, High Frequency Power, RMSSD, LF/HF Ratio) and time-domain (six minutes) measures using ECG technology. Data were analyzed using 2x2x2 (AD group n= 12; HC group n= 12) and 2x2x3 (AD group n= 8; HC group n= 8) repeated measures ANCOVA’s while controlling for age, gender, …
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The Role of Social Support and Stress Appraisals in the Relationship between Interpersonal Problems and Emotional Reactivity in Young Women with Histories of Childhood Maltreatment
… state anger and heart rate variability (i.e., rMSSD) reactivity in response to the laboratory stressor; however, the support schema and reactivity relationship did not vary significantly between women with high versus low interpersonal problems. The support schema and state anger reactivity …
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Autonominės nervų sistemos įtaka vazomotorinėms nosies reakcijoms /
… of the heart contraction rate variability RMSSD, SDSD, pNN50, SDNN Index are statistically reliable in reflecting the link of the autonomic NS with the nasal vasomotor reactions, however such indicators may not be used for accurate prognostication of nasal vasomotor reactions. It was …
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Developing a Digital Sustainability Framework for Interior Construction Projects: A Stakeholder-Centred Digital Platform for Sustainable Decision-Making and Biophilic Integration
… the root mean square of successive differences (RMSSD) and the low frequency/high frequency ratio (LF/HF), capturing parasympathetic activity and autonomic balance. Waterscapes containing dynamic or biotic elements yielded the most consistent restorative benefits. Water-bird scenes reduced …
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Estimulação colinérgica com piridostigmina reduz arritmia ventricular e aumenta a variabilidade da frequência cardíaca em pacientes com insuficiência cardíaca
… (Placebo 3 + 1,1 % vs PIR 6 + 1,6 %; p = 0,03) e RMSSD (Placebo 21 + 2 vs PIR 27 + 3; p = 0,008). CONCLUSÃO. Em pacientes com insuficiência cardíaca, PIR reduziu a densidade de arritmia ventricular e aumentou a VFC, provavelmente por seu efeito colinomimético. Estudos a longo prazo com PIR em …
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THE EFFECTS OF GASTRIC AND HOMEOSTATIC AUTONOMIC AFFERENT REFLEXES ON CARDIAC AUTONOMIC EFFERENT ACTIVITY IN HEALTHY HUMAN VOLUNTEERS
… the cardiac vagal tone as indicated by increased RMSSD (mean 23.95 ± 20.50 msec increase, p<0.05) and sympathetic activity shown by increased QTc interval (mean 9.86 ± 8.59 msec increase, p< 0.05) during the first 40 minutes post-ingestion. These effects were absent with an identical volume of a …
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