Related Experiment Videos
Mechanical circulatory support for acute heart failure.
D G Pennington1, N G Smedira, L E Samuels
1Department of Surgery, East Tennessee State University, Johnson City 37614, USA. penningg@etsu.edu
The Annals of Thoracic Surgery
|March 27, 2001
Summary
Cardiac surgeons discuss using circulatory support devices like ventricular assist devices (VADs) and extracorporeal membrane oxygenation (ECMO) for postcardiotomy shock and myocarditis, aiming to improve survival rates.
Area of Science:
- Cardiology
- Cardiac Surgery
- Mechanical Circulatory Support
Background:
- Circulatory support devices are crucial for managing postcardiotomy shock, post-myocardial infarction shock, and acute myocarditis.
- A panel of cardiac surgeons reviewed the application of these devices in complex patient cases.
Observation:
- Optimal device selection and cannulation strategies were discussed for various conditions.
- Specific recommendations were made for left ventricular assist devices (VADs) in mitral valve replacement and myocardial infarction shock.
- The use of VADs for acute myocarditis and extracorporeal membrane oxygenation (ECMO) for post-coronary bypass grafting heart failure was also addressed.
Findings:
- Left VAD with apical cannulation is preferred for cardiogenic shock post-mitral valve replacement.
- Left VAD with left ventricular cannulation is recommended for acute myocardial infarction shock to prevent thrombosis.
- VADs are recommended for young patients with acute myocarditis, with transplantation considered later.
- ECMO or VADs are suitable for severe heart failure post-coronary bypass grafting.
Implications:
- Improving current postcardiotomy survival rates, which range from 20% to 40%, is a key objective.
- Temporary devices like ECMO can be transitioned to long-term VADs if necessary.
- Tailored device selection and implantation strategies can optimize outcomes for critically ill cardiac patients.