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>Journals >Gaceta Médica de México >Year 2018, Issue 3

Meléndez RG, Posada-Martínez EL, Meave-González A, Vera-Urquiza R, Betuel Ivey-Miranda J
Left ventricular ejection fraction decrease after adenosine-induced stress as a predictor of ischemia
Gac Med Mex 2018; 154 (3)

Language: Español
References: 14
Page: 315-319
PDF: 217.54 Kb.

Full text


Background: The decrease in left ventricular ejection fraction (LVEF) has been observed to be associated with three-vessel coronary disease in nuclear medicine studies; however, the role played by LVEF decrease has not been studied with cardiovascular magnetic resonance (CMR). Objective: To assess the association between LVEF decrease and cardiac ischemia in patients with CMR studies with adenosine. Method: Cross-sectional, comparative study. Inclusion criteria were: patients assessed with CMR with adenosine between January 2009 and June 2015. LVEF change was compared between patients testing positive for ischemia versus those who tested negative. Results: Fifty nine patients were included: 41 were males (70%), mean age was 59.7 ± 10.9 years; 38% of the studies tested positive for ischemia. Delta LVEF (post-stress LVEF – resting LVEF) was –0.16 ± 5.9 versus 5.3 ± 4.7 (p ‹ 0.001) in patients with and without ischemia, respectively. Conclusion: Patients who tested positive for ischemia had lower delta LVEF than those with negative studies for ischemia.

Key words: Cardiovascular magnetic resonance, Coronary artery disease, Left ventricular ejection fraction.


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>Journals >Gaceta Médica de México >Year 2018, Issue 3

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