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KMID : 1812720200020020121
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International Journal of Heart Failure
2020 Volume.2 No. 2 p.121 ~ p.130
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Prognostic Value of QRS Duration among Patients with Cardiogenic Shock Complicating Acute Heart Failure: Data from the Korean Acute Heart Failure (KorAHF) Registry
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Hong Jung-Ae
Kim Min-Seok
Park Han-Bit
Lee Sang-Eun
Lee Hae-Young
Cho Hyun-Jai
Choi Jin-Oh
Jeon Eun-Seok
Hwang Kyung-Kuk
Chae Shung-Chull
Baek Sang-Hong
Kang Seok-Min
Choi Dong-Ju
Yoo Byung-Su
Kim Kye-Hun
Cho Myeong-Chan
Kim Jae-Joong
Oh Byung-Hee
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Abstract
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Background and Objectives: Prolonged QRS duration is associated with poor outcomes in patients with chronic heart failure (HF). However, the prognostic value of QRS duration in patients with cardiogenic shock complicating acute HF remains unknown. We evaluated the hypothesis that prolonged QRS duration may be associated with short-term mortality among acute HF patients with cardiogenic shock (CS).
Methods: From March 2011 through December 2013, a total of 5,625 acute HF patients were consecutively enrolled in ten tertiary university hospitals. Among them, we analyzed patients who presented with CS. Patients were divided into three groups by QRS duration cutoff values of 130 and 150 ms. The primary endpoint was 30-day in-hospital mortality.
Results: Two hundred eleven patients presented with CS at admission and those with available electrocardiograms were included in this analysis. There were 35 patients with QRS durations of 150 ms or above, 30 patients with QRS durations between 130 ms and 150 ms, and 146 patients with QRS durations below 130 ms. The 30-day all cause in-hospital mortality rates were 43.7%, 33.1%, and 24.9%, respectively. After multivariate adjustment, severe prolonged QRS duration was a significant prognostic factor for 30-day in-hospital mortality (hazard ratio, 1.909; 95% confidence interval, 1.024?3.558; p=0.042).
Conclusions: Prolonged QRS duration was associated with a higher risk of 30-day in-hospital mortality among patients with acute HF who presented with CS.
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KEYWORD
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Heart failure, Cardiogenic shock
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