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Perioperative care in left ventricular volume reduction.
M B Izzat1, T Buckley, K S Khaw
1Division of Cardiothoracic Surgery, The Chinese University of Hong Kong. bizzat@net.sy
Journal of Cardiac Surgery
|March 10, 2000
Summary
This study details a perioperative management strategy for left ventricular volume reduction (LVVR) surgery. The approach achieved hemodynamic stability, with an acceptable early outcome for heart failure patients.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Management
- Heart Failure Treatment
Background:
- Left ventricular volume reduction (LVVR) surgical techniques are becoming standardized.
- Optimal perioperative management for LVVR is not yet established.
- This study shares experience in managing patients undergoing LVVR.
Purpose of the Study:
- To describe and evaluate a perioperative management strategy for left ventricular volume reduction (LVVR).
- To assess the early outcomes of patients undergoing LVVR with the described management approach.
Main Methods:
- The strategy evolved to include preoperative intra-aortic balloon pump (IABP) support, normothermic cardiopulmonary bypass, and warm blood cardioplegia.
- Hemodynamic goals included specific systemic vascular resistance and mean blood pressure targets.
- Postoperative care involved early initiation of aggressive medical therapy with ACE inhibitors, nitrates, and diuretics.
Main Results:
- The described approach resulted in postoperative hemodynamic stability.
- Intra-aortic balloon pump (IABP) support averaged 59.6 hours, and inotropic support averaged 103 hours.
- The in-hospital mortality rate was 19% (4/21), with two deaths attributed to heart failure.
Conclusions:
- The presented perioperative management strategy is associated with acceptable early outcomes for LVVR patients.
- Further advancements in myocardial protection and support techniques are needed for broader adoption of LVVR.
- This approach provides a foundation for managing patients undergoing this complex cardiac procedure.