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Patient selection for cardiac surgery in left ventricular power failure
Archives of Surgery (Chicago, Ill. : 1960)
|November 1, 1975
Summary
Intraaortic balloon pumping and cardiac catheterization helped predict survival in patients with acute left ventricular power failure after myocardial infarction. Accurate prediction methods can improve survival rates in surgically treated patients.
Area of Science:
- Cardiology
- Cardiovascular Surgery
Background:
- Acute myocardial infarction can lead to acute left ventricular power failure.
- Intraaortic balloon pumping (IABP) is a supportive measure for such critical conditions.
Purpose of the Study:
- To evaluate the accuracy of hemodynamic assessment and imaging during cardiac catheterization in predicting patient outcomes.
- To determine which patients with acute left ventricular power failure require surgery, can survive without it, or are unlikely to survive surgery.
Main Methods:
- Nineteen patients with acute left ventricular power failure post-myocardial infarction received IABP support and underwent cardiac catheterization.
- Hemodynamic response to diastolic augmentation, left ventriculography, and selective coronary arteriography were analyzed.
- Patients were categorized based on predicted survival with or without surgery, or inoperability.
Main Results:
- Of 10 patients who underwent surgery, 3 were long-term survivors.
- Two patients predicted to survive without surgery did so.
- Patients deemed to require surgery but not operated on had high mortality.
- Inoperable patients all died during hospitalization.
Conclusions:
- Current methods for predicting the need for corrective surgery in acute left ventricular power failure are relatively accurate.
- Surgical intervention, when indicated and performed, has the potential to increase patient survival rates.