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Assessment of myocardial function during mechanical left ventricular support using serial echocardiography: a case
K Ishino1, T Murakami, K Takata
1Second Department of Surgery, Okayama University Medical School, Japan.
Acta Medica Okayama
|June 1, 1994
Abstract:
A 40-year-old man with valvular heart disease was successfully treated using a left ventricular assist device (LVAD) after open heart surgery. Echocardiography revealed left ventricular ejection fraction (LV-EF) at LVAD on/off: 23.4%/14.6% on the 4th, 23.8%/23.8% on the 5th, and 23.8%/26.8% on the 6th postoperative day (POD), respectively. The patient was weaned from LVAD on the 8th POD and discharged from the hospital on the 58th POD. The LV-EF improved to 54% 6 months after surgery and increased from 57% to 64% in response to exercise stress testing 1 year after surgery.