Related Experiment Video
Updated: Oct 23, 2025
06:29
Wireless Telemetry Device Implantation in a Fontan Ovine Model for Continuous and Long-Term Hemodynamic Monitoring
Published on: May 2, 2025
396
Risk factors for prolonged ventilation after the modified Fontan procedure
Masahiro Tsubura1, Masaki Osaki1, Kensaku Motono1
1Department of Cardiac Critical Care, Shizuoka Children's Hospital, Shizuoka, Japan.
Cardiology in the Young
|August 25, 2021
Summary
Fenestration, low pulmonary artery index, and atrioventricular regurgitation increase the risk of prolonged ventilation after Fontan surgery. Careful patient management is crucial for optimizing outcomes in pediatric cardiac surgery.
Area of Science:
- Pediatric Cardiology
- Cardiac Surgery
- Critical Care Medicine
Background:
- The Fontan procedure is a complex surgery for single-ventricle congenital heart defects.
- Prolonged mechanical ventilation post-Fontan surgery can lead to increased morbidity.
Purpose of the Study:
- To identify risk factors for prolonged mechanical ventilation after Fontan surgery.
- To inform strategies for optimizing postoperative care.
Main Methods:
- Retrospective case series of 123 children undergoing Fontan surgery.
- Multivariate logistic regression analysis to determine predictors of prolonged ventilation (>24 hours).
Main Results:
- 17% of patients required prolonged mechanical ventilation (median 2.9 days).
- Independent risk factors identified: fenestration, low pulmonary artery index, and advanced atrioventricular regurgitation.
- Prolonged ventilation was associated with longer ICU stays (10 vs. 6 days).
Conclusions:
- Fenestration, low pulmonary artery index, and significant atrioventricular regurgitation are key risk factors for prolonged ventilation post-Fontan.
- Individualized preoperative and perioperative management is essential to mitigate these risks.
Keywords:
Airway extubationFontan procedureheart defectsheterotaxy syndromehypoplastic left heart syndromeintensive care unitsMore Related Videos
Related Concept Videos
01:30Acute Respiratory Failure-III
407
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
407
01:23Mechanical Ventilation II: Invasive Ventilation
388
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...
388
01:29Mechanical Ventilation I: Indication and Settings
1.4K
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...
1.4K
01:21Acute Respiratory Failure-II
449
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
449
01:27Mitral Stenosis IV: Nursing Management
75
A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
75
01:19Factors Affecting Pulmonary Ventilation
2.0K
Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
2.0K