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- W2067896424 abstract "We evaluated short-term effects of partial ventriculectomy on left ventricular (LV) parameters and its impact on late survival by magnetic resonance imaging (MRI). Twenty patients and 10 normal volunteers were studied, and LV volumes (EDV, ESV), ejection fraction (EF), short- and long-axis dimensions (SA, LA), wall thickness (Wth), shape (LA/SA), geometry (Wth/SA), a geometry index (Phi), and wall-motion score index (WMSI) were evaluated pre- and postoperatively. Also, we compared results and survival of patients with preoperative EF <or=17% vs. EF >17%. Short-term results showed significant changes (P < 0.001) in: EF (17.3 +/- 7.3% vs. 30.4 +/- 9.5%), EDV (391.9 +/- 118 vs. 272.7 +/- 90 mL); ESV (308.2 +/- 102.8 vs. 190.3 +/- 68.4 mL); SA (80.5 +/- 10.4 vs. 71.7 +/- 7.8 mm); LA/SA (1.13 +/- 0.1 vs. 1.34 +/- 0.1); Wth (8.35 +/- 0.99 vs. 9.75 +/- 1.41 mm); Wth/SA (0.10 +/- 0.01 vs. 0.14 +/- 0.02), diastolic( 0.80 +/- 0.16 vs. 0.58 +/- 0.13) and systolic (0.78 +/- 0.18 vs. 0.55 +/- 0.12) Phi; and WMSI (-2 vs. -1) (P = 0.032). The EF division showed differences in: LA/SA (1.26 +/- 0.10 vs. 1.49 +/- 0.12) (P < 0.001); Wth/SA (0.13 +/- 0.02 vs. 0.15 +/- 0.02) (P = 0.023); diastolic (0.65 +/- 0.11 vs. 0.48 +/- 0.11) and systolic (0.63 +/- 0.09 vs. 0.46 +/- 0.09) Phi (P < 0.001); and WMSI (-2 vs. -1) (P = 0.033). Finally, correlation between pre/postoperative EF showed for EF < 17%, r = 0.32 and for EF >17%, r = 0.83, which had different late survival. Our study showed significant changes on LV parameters after ventriculectomy. Patients with EF >17% showed better EF correlation between pre/postoperative values and higher survival rate. J. Magn. Reson. Imaging 2001;13:781-786." @default.
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- W2067896424 date "2001-01-01" @default.
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- W2067896424 title "Partial left ventriculectomy in severe idiopathic dilated cardiomyopathy: Assessment of short-term results and their impact on late survival by magnetic resonance imaging" @default.
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- W2067896424 doi "https://doi.org/10.1002/jmri.1108" @default.
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