The Effects of Different Prone Positioning Angles on Cardiopulmonary Function in Children After Congenital Heart Disease Surgery: A Randomized Controlled Trial

Summary

The goal of this randomized controlled trial is to learn if different head-elevated prone positioning angles can optimize cardiopulmonary function and enteral nutrition tolerance in infants and children after congenital heart disease (CHD) surgery. The main questions it aims to answer are:

1. Do specific prone positioning angles (10°, 30°, or 45°) lead to better improvements in cardiopulmonary recovery, specifically regarding oxygenation, lung compliance, airway resistance, and hemodynamic stability?
2. Does increasing the elevation angle improve the tolerance of enteral nutrition (tube feeding) while maintaining patient safety?

Researchers will compare three different head-of-bed elevation angles (10°, 30°, and 45°) to see if a specific angle offers superior heart and lung support and nutritional benefits during the early postoperative period.

Participants will:

1. Be randomly assigned to one of three groups: 10°, 30°, or 45° head-elevated prone position.
2. Maintain the assigned prone position for at least 12 hours daily.
3. Undergo monitoring of cardiopulmonary indicators (including oxygen levels, ventilator parameters, blood pressure, and central venous pressure) and digestive function (gastric residual volume) at scheduled intervals (0, 4, 6, and 12 hours).

Conditions

• CHD
• Heart Defects, Congenital
• Hypoxia
• Respiratory Insufficiency
• Postoperative Complications

Interventions

PROCEDURE

10° Head-Elevated Prone Positioning

Participants receive prone positioning therapy with the head of the bed elevated strictly to 10 degrees, verified by a protractor. The position is maintained for at least 12 hours daily. The head position is alternated every 2 hours, and arms are placed alongside the torso.

PROCEDURE

30° Head-Elevated Prone Positioning

Participants receive prone positioning therapy with the head of the bed elevated strictly to 30 degrees, verified by a protractor. The position is maintained for at least 12 hours daily. The head position is alternated every 2 hours, and arms are placed alongside the torso.

PROCEDURE

45° Head-Elevated Prone Positioning

Participants receive prone positioning therapy with the head of the bed elevated strictly to 45 degrees, verified by a protractor. The position is maintained for at least 12 hours daily. The head position is alternated every 2 hours, and arms are placed alongside the torso.

Sponsors & Collaborators

• Guangdong Provincial People's Hospital

  lead OTHER

Study Design

Allocation

RANDOMIZED

Purpose

SUPPORTIVE_CARE

Masking

SINGLE

Model

PARALLEL

Eligibility

Min Age

0 Years

Max Age

14 Years

Sex

ALL

Healthy Volunteers

No

Timeline & Regulatory

Start

2023-04-20

Primary Completion

2025-05-08

Completion

2025-07-10

Countries

• China

Study Locations