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• W4380608049 abstract "Background Although women are known to have a relatively higher left ventricular ejection fraction (LVEF) compared with men, a sex-neutral LVEF threshold continues to be used for clinical management. We sought to investigate the relationship among high (>65%), normal (55%–65%) and low (<55%) LVEF and long-term all-cause mortality and major adverse cardiovascular events (MACEs) in women presenting with suspected myocardial ischaemia. Methods A total of 734 women from the Women’s Ischemia Syndrome Evaluation (WISE) were analysed. LVEF was calculated by invasive left ventriculography. The relationship between baseline characteristics, LVEF and outcomes was evaluated. A multivariable Cox regression model was used to assess the association of LVEF with outcomes, after adjusting for known risk factors. Results Low LVEF was associated with higher rates of mortality and MACE compared with normal and high LVEF (p<0.0001). Normal LVEF was associated with higher mortality (p=0.047) and rate of myocardial infarctions (MIs) compared with high LVEF (p=0.03). Low LVEF remained a significant predictor of mortality compared with high LVEF (p=0.013) in a multivariable regression model and normal compared with high LVEF trended towards higher mortality (p=0.16). Conclusion Among women with suspected ischaemia, women with LVEF above the defined normal threshold (>65%) had lower rates of all-cause mortality and non-fatal MI. Further investigation is needed to determine the optimal LVEF in women. Trial registration number NCT00000554 ." @default.
• W4380608049 created "2023-06-15" @default.
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• W4380608049 date "2023-06-14" @default.
• W4380608049 modified "2023-09-24" @default.
• W4380608049 title "Left ventricular ejection fraction and long-term outcomes in women presenting with signs and symptoms of ischaemia" @default.
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• W4380608049 doi "https://doi.org/10.1136/heartjnl-2023-322494" @default.
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