Related Experiment Video
Updated: Jul 20, 2026
14:39
Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
Published on: November 4, 2010
Pressure-support ventilation in children with severe asthma
1Department of Anesthesiology/Critical Care Medicine, Johns Hopkins Hospital, Baltimore, MD, USA.
Critical Care Medicine
|September 1, 1996
Summary
Pressure-support ventilation effectively manages children with severe asthma requiring mechanical ventilation. This method allows spontaneous breathing and patient-controlled ventilation, improving outcomes in status asthmaticus.
Area of Science:
- Pediatric Critical Care Medicine
- Respiratory Physiology
- Mechanical Ventilation
Background:
- Status asthmaticus in children can lead to respiratory failure requiring mechanical ventilation.
- Traditional mechanical ventilation may present challenges in managing severe asthma exacerbations.
Observation:
- A case series evaluated pressure-support ventilation (PSV) in pediatric patients with status asthmaticus.
- Patients received PSV after failing medical therapy and requiring mechanical ventilation.
- Respiratory parameters and arterial blood gases were monitored before, during, and after PSV initiation.
Findings:
- PSV facilitated patient-cycled spontaneous ventilation in all children.
- Patients achieved normalized arterial pH and decreased Paco2 within 6 hours of PSV initiation.
- Key respiratory parameters, including respiratory rate and airway pressures, were assessed.
Implications:
- PSV offers a potential advantage in managing severe pediatric asthma by allowing patient-driven respiratory patterns.
- This ventilatory mode may improve patient comfort and reduce ventilator-induced lung injury.
- Further research could explore long-term outcomes and optimal PSV settings for pediatric status asthmaticus.
More Related Videos
09:31Normothermic Negative Pressure Ventilation Ex Situ Lung Perfusion: Evaluation of Lung Function and Metabolism
Published on: February 14, 2022
07:15Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
Published on: December 5, 2025
Related Concept Videos
01:24Chest Physiotherapy
Chest Physiotherapy (CPT) is a therapeutic technique used in respiratory care to improve ventilation, clear bronchial secretions, and enhance the efficiency of respiratory muscles. This therapy includes three primary procedures: postural drainage, percussion, and vibration. It can be performed on spontaneously breathing patients and those who are intubated and mechanically ventilated.
Purpose
CPT is primarily used for patients with excessive bronchial secretions who have difficulty clearing...
Purpose
CPT is primarily used for patients with excessive bronchial secretions who have difficulty clearing...
01:29Mechanical Ventilation I: Indication and Settings
Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
01:23Mechanical Ventilation II: Invasive Ventilation
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
01:23Mechanical Ventilation III: Noninvasive Ventilation
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation (NIPPV)
Noninvasive Positive-Pressure Ventilation (NIPPV)
01:14Ventilatory Modes
Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
01:22Cardiopulmonary Resuscitation II: ACLS Airway Management
Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...