Related Experiment Video

Updated: Nov 4, 2025

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

21.2K

Efficacy of Increased Salt and Water Intake on Pediatric Vasovagal Syncope: A Meta-Analysis Based on Global Published

Yaru Wang1, Yuanyuan Wang1, Xueying Li2

  • 1Department of Pediatrics, Peking University First Hospital, Beijing, China.

Frontiers in Pediatrics
|May 31, 2021
PubMed

Insights

Increased salt and water intake significantly improves treatment outcomes for pediatric vasovagal syncope (VVS). This intervention led to higher negative changing rates on the head-up tilt test (HUTT) and reduced syncope recurrence in children.

Area of Science:

  • Pediatric Cardiology
  • Autonomic Nervous System Disorders
  • Clinical Nutrition

Background:

  • Vasovagal syncope (VVS) is a common cause of syncope in children.
  • Current management often involves non-pharmacological strategies.
  • The efficacy of fluid and salt loading in pediatric VVS requires further investigation.

Approach:

  • A meta-analysis of global data was conducted.
  • Seven major databases were searched for relevant randomized controlled trials (RCTs).
  • Efficacy was evaluated using head-up tilt test (HUTT) negative changing rates and syncope recurrence rates.

Key Points:

  • Five RCTs involving 233 children in the intervention group were analyzed.
  • Increased salt and water intake resulted in a significantly higher HUTT negative changing rate (61.8% vs. 26.8%).
  • The intervention group showed a significantly lower recurrence rate of syncope or presyncope (43.6% vs. 59.7%).

Conclusions:

  • Increased salt and water intake is an effective intervention for pediatric VVS.
  • This strategy improves physiological responses measured by HUTT.
  • It significantly reduces the likelihood of recurrent syncopal episodes in children.

Keywords:
childrenmeta-analysissalttherapeutic efficacyvasovagal syncopewater

More Related Videos

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver14:28

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver

Published on: June 27, 2025

594
Author Spotlight: Exploring Venous Waveforms in Porcine Models to Tackle Volume Overload in Medicine06:09

Author Spotlight: Exploring Venous Waveforms in Porcine Models to Tackle Volume Overload in Medicine

Published on: January 12, 2024

812

Related Concept Videos

Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
69
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
61
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
138
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
576
Regulation of Water Intake01:25

Regulation of Water Intake

Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
1.9K
Disorder of Water Balance01:29

Disorder of Water Balance

Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
1.8K