Related Experiment Video
Updated: Jul 27, 2025
08:12
Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
Published on: June 5, 2019
19.9K
Heart Rate Variability and Pregnancy Complications: Systematic Review
Zahra Sharifi-Heris1, Amir M Rahmani1, Anna Axelin2
1University of California Irvine, Irvine, CA, United States.
Interactive Journal of Medical Research
|June 5, 2023
Summary
The autonomic nervous system (ANS) impacts pregnancy adaptations. Heart rate variability (HRV) shows links to fetal growth complications, but not gestational diabetes mellitus, indicating a need for more research.
Area of Science:
- Obstetrics and Gynecology
- Cardiology
- Neurology
Background:
- The autonomic nervous system (ANS) is crucial for regulating pregnancy adaptations.
- Dysfunction of the ANS can lead to life-threatening pregnancy complications.
- Understanding ANS mechanisms in pregnancy is vital for monitoring and management.
Purpose of the Study:
- To systematically review the literature on the association between heart rate variability (HRV) and pregnancy complications.
- HRV serves as a biomarker for autonomic nervous system (ANS) function.
Main Methods:
- Comprehensive literature search across multiple databases (PubMed, Medline, CINAHL, Web of Science, Cochrane, SCOPUS) in February 2022.
- Included studies examining the association between any pregnancy complication and HRV.
- Followed PRISMA guidelines for systematic review and Covidence software for study selection.
Main Results:
- 12 studies involving 6656 participants were included in the review.
- Findings suggest a link between ANS function and complications like fetal growth restriction.
- No significant association was found between ANS and gestational diabetes mellitus; evidence for CNS/pulmonary disorders was insufficient.
Conclusions:
- This review underscores the importance of monitoring ANS function during pregnancy.
- Further research with robust methodologies is needed to elucidate ANS mechanisms in pregnancy adaptations and complications.
Keywords:
autonomic nervous systemfetal growthglobal developmental delayheart rate variabilityhypertensionhypertensive disordermaternalpregnancypregnancy complicationMore Related Videos
Related Concept Videos
01:30Factors Influencing Heart Rate
2.9K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.9K
01:31Regulation of Heart Rates
1.9K
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
1.9K
01:30Pulse rhythm
856
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
856
01:30Dysrhythmias V: Evaluating Dysrhythmias
42
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
42
01:19Cardiac Output I:Effect of Heart Rate on Cardiac Output
911
Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...
911
01:14Fetal Circulation
1.1K
Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
1.1K