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Published on: August 19, 2015
The role of mechanical devices
1Department of Surgery, Harvard Medical School, Boston, Massachusetts.
Journal of Cardiac Surgery
|September 1, 1990
Summary
Mechanical circulatory support devices like intraaortic balloon pumps and ventricular assist devices (VADs) are crucial in cardiac surgery. While effective, they carry risks such as arterial damage and thromboemboli, requiring careful patient selection and monitoring.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
Background:
- Mechanical circulatory support devices are essential in modern cardiac surgery.
- Intraaortic balloon pumps (IABP) assist patients failing to wean from cardiopulmonary bypass or experiencing postoperative complications.
- Ventricular assist devices (VADs) are used for severe hemodynamic depression unresponsive to IABP.
Purpose of the Study:
- To review the indications, complications, and evolving role of mechanical circulatory support devices.
- To discuss the use of these devices as a bridge to cardiac transplantation.
- To highlight the importance of considering contraindications for both transplantation and device intervention.
Main Methods:
- Review of clinical applications and outcomes of IABPs and VADs.
- Analysis of complications associated with device insertion and use.
- Discussion of criteria for selecting mechanical support and bridging to transplantation.
Main Results:
- IABPs are vital for managing specific postoperative complications.
- VADs offer advanced support when IABPs are insufficient, but have contraindications like pulmonary hemorrhage.
- Mechanical devices show variable success in bridging patients to cardiac transplantation.
Conclusions:
- Mechanical circulatory support devices are reliable and essential surgical tools.
- Careful consideration of patient selection, contraindications, and potential complications is paramount.
- Continued experience will refine the clinical application and selection of these life-saving technologies.
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