Redefining Adverse and Reverse Left Ventricular Remodeling by Cardiovascular Magnetic Resonance Following ST-Segment-Elevation Myocardial Infarction and Their Implications on Long-Term Prognosis.

Circulation. Cardiovascular Imaging
Heerajnarain BulluckColin Berry

Abstract

Cut off values for change in left ventricular end-diastolic volume (LVEDV) and LV end-systolic volume (LVESV) by cardiovascular magnetic resonance following ST-segment-elevation myocardial infarction have recently been proposed and 4 patterns of LV remodeling were described. We aimed to assess their long-term prognostic significance. A prospective cohort of unselected patients with ST-segment-elevation myocardial infarction with paired acute and 6-month cardiovascular magnetic resonance, with the 5-year composite end point of all-cause death and hospitalization for heart failure was included. The prognosis of the following groups (group 1: reverse LV remodeling [≥12% decrease in LVESV]; group 2: no LV remodeling [changes in LVEDV and LVESV <12%]; group 3: adverse LV remodeling with compensation [≥12% increase in LVEDV only]; and group 4: adverse LV remodeling [≥12% increase in both LVESV and LVEDV]) was compared. Two hundred eighty-five patients were included with a median follow-up was 5.8 years. The composite end point occurred in 9.5% in group 1, 12.3% in group 2, 7.1% in group 3, and 24.2% in group 4. Group 4 had significantly higher cumulative event rates of the composite end point (log-rank test, P=0.03) with the other 3 ...Continue Reading

References

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