Left Bundle Branch Block in Acute Cardiac Events: Insights From a 23-Year Registry.

Abstract:

:Between 1991 and 2013, we evaluated the demographics, presentations, and final diagnosis of patients hospitalized with acute cardiac events and left bundle branch block (LBBB). Of 50 992 patients, 768 (1.5%) had LBBB. Compared with non-LBBB patients, patients with LBBB were mostly older, female, diabetic, and had hypertension and chronic kidney failure (CKF; P < .001 for all). Dyspnea (P < .001) and dizziness (P = .037) were more frequent in patients with LBBB. The most frequent cause of admission with LBBB was congestive heart failure (CHF; 54.2%), followed by ST-elevation myocardial infarction (STEMI; 13.3%), valvular heart disease (9.4%), unstable angina (8.3%) and Non-STEMI (7.7%). On multivariate analysis, CKF (odds ratio [OR]: 2.02, 95% confidence interval [CI]: 1.09-3.70) and LBBB (OR: 2.96, 95% CI: 2.01-4.42) were predictors of in-hospital mortality in the entire study population. Further analysis of patients with LBBB showed that CKF (OR: 2.93, 95% CI: 1.40-6.12) was the only predictor of in-hospital mortality. Regardless the presenting symptoms, CHF was the final diagnosis in most cases with LBBB.

journal_name

Angiology

journal_title

Angiology

authors

Alkindi F,El-Menyar A,Al-Suwaidi J,Patel A,Gehani AA,Singh R,Albinali H,Arabi A

doi

10.1177/0003319714560223

subject

Has Abstract

pub_date

2015-10-01 00:00:00

pages

811-7

issue

9

eissn

0003-3197

issn

1940-1574

pii

0003319714560223

journal_volume

66

pub_type

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