Deformation imaging and long term outcome after mitral valve reconstruction:
Preoperative longitudinal Strain Rate is a strong independent predictor of cardiac related morbidity and mortality
A. Miskovic¹, TD. Poerner ², B. Goebel², A. Moritz¹ - (1) Dept. of Cardiac Surgery University Hospital of Frankfurt/Main,, Germany (2) University Hospital Jena, Department of Internal Medicine I,,Jena,Germany
To evaluate long-term predictive value of preoperative longitudinal deformation parameters Strain (S) and peak Strain Rate (pSR) and occurrence of LV dysfunction or cardiac events after MVR
Between 2002 and 2004, 95 patients (mean age 63 ± 13y) underwent MVR for severe primary mitral regurgitation in our institution.
Echocardiography and tissue doppler derived strain rate imaging (SRI) was performed preoperatively.
Off-line analysis in SRI included measurements of peak systolic Strain(S) and peak Strain Rate (pSR), calculated for a 16 segment model and expressed as mean values for the whole LV
LV Cardiac events and LV ejection fraction (EF) were recorded during a median follow-up of 10.5 years (5.2 – 11.6
21 patients died during follow up. Four were lost to FU