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Ann Thorac Surg 1988;46:542-548
© 1988 The Society of Thoracic Surgeons

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Articles

Impairment in Right Ventricular Performance after Left Ventricular Aneurysm Surgery

Departments of Mediane, Surgery, Clinical Chemistry, and Radiology, National Hospital of Norway, Oslo, Norway

Accepted for publication May 26, 1988.

^* Address reprint requests to Dr. Mangschau, Medical Department, Ski Hospital, Box 1401, 1400 Ski, Norway

To study the effect of operation for left ventricular (LV) aneurysm on right ventricular (RV) performance, we studied 50 patients before operation with right heart catheterization, RV angiography, and radionuclide ventriculography. Forty patients were followed up and underwent the same investigations 10 ± 4 months after operation.

At baseline, regional RV dysfunction was observed in 89% of the patients whereas global RV dysfunction was present in approximately a third. After operation, no changes in RV regional dysfunction or RV pressures were observed. However, a significant increase in RV end-diastolic (p > 0.03) and end-systolic volume indices (p > 0.02) along with a significant decrease in resting and exercise RV ejection fractions (p > 0.05) was found. We were unable to demonstrate any significant relationship between preoperative RV dysfunction and surgical outcome.

We conclude that RV dysfunction is common in patients with LV aneurysm. Current techniques of operative intervention for this type of aneurysm seem to be followed by RV dilatation and impairment in RV function.

This article has been cited by other articles:

				M. Komeda, T. E. David, A. Malik, J. Ivanov, and Z. Sun Operative risks and long-term results of operation for left ventricular aneurysm Ann. Thorac. Surg., January 1, 1992; 53(1): 22 - 29. [Abstract] [PDF]

				P. G. Durand, O. Bestien, M. George, J. J. Lehot, A. Gurbala, and S. Estanove Impairment in right ventricular performance after left ventricular aneurysm operation Ann. Thorac. Surg., December 1, 1989; 48(6): 888 - 889. [PDF]