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Additive value of dobutamine stress echocardiography in patients with an anomalous origin of a coronary artery.

ABSTRACT: An anomalous origin of a coronary artery (AOCA) is the second most common cause of non-traumatic sudden cardiac death in young athletes. Patients with a malignant course of an AOCA of the right coronary artery only need surgical correction when myocardial ischaemia is detected. An AOCA and its malignant or benign course can be detected by coronary angiography, coronary computed tomography or cardiac magnetic resonance imaging. Detection of ischaemia can be more difficult since even a negative maximal-effort stress ECG does not exclude a potential lethal coronary anomaly. Also, there are no case series or trials showing sensitivity or specificity for any form of ischaemia detection for AOCA in the literature. Although not described previously in adults, dobutamine stress echocardiography was previously described in a paediatric population with AOCA. We are the first to describe ischaemia detection by dobutamine stress echocardiography in three adult patients with an AOCA of the right coronary artery who were subsequently referred for surgery.

SUBMITTER: Lameijer H

PROVIDER: S-EPMC4315785 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature

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Additive value of dobutamine stress echocardiography in patients with an anomalous origin of a coronary artery.

Lameijer Heleen H Ter Maaten Jozine M JM Steggerda Robbert C RC

Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation 20150127 2

An anomalous origin of a coronary artery (AOCA) is the second most common cause of non-traumatic sudden cardiac death in young athletes. Patients with a malignant course of an AOCA of the right coronary artery only need surgical correction when myocardial ischaemia is detected. An AOCA and its malignant or benign course can be detected by coronary angiography, coronary computed tomography or cardiac magnetic resonance imaging. Detection of ischaemia can be more difficult since even a negative ma ...[more]

PMID: 25620696

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Project description:BackgroundCardiovascular disease is a primary cause of morbidity and mortality in kidney transplant (KT) candidates. Dobutamine stress echocardiography (DSE) is an effective noninvasive modality for evaluating coronary artery disease with high accuracy. However, long-term data in KT candidates are still lacking. This study aims to assess the prognostic value of DSE in predicting long-term outcomes in KT candidates.MethodsThis study retrospectively included consecutive KT candidates who underwent preoperative DSE between 2007 and 2017 at Siriraj Hospital, Bangkok, Thailand. Normal DSE was characterized by the absence of wall motion abnormalities both at rest and during stress. The primary endpoint was all-cause mortality. Univariable and multivariable analyses were conducted to determine predictors of all-cause mortality, with a P value of <0.05 considered statistically significant.ResultsAmong 269 patients (mean age 51 years, 58% male), 34 (12.6%) had abnormal DSE results, and 63 (23%) underwent kidney transplantation after DSE. During a median follow-up period of 7.6 (4.5, 10.1) years, 129 (48%) patients died. Patients with abnormal DSE had a significantly higher mortality rate than those with normal DSE (73.5% vs. 44.2%, P=0.003). Univariable analysis demonstrated that male gender [hazard ratio (HR) 1.50, 95% confidence interval (CI): 1.04-2.16, P=0.03], resting systolic blood pressure (HR 1.006, 95% CI: 1.00-1.01, P=0.04), abnormal DSE (HR 1.95, 95% CI: 1.25-3.05, P=0.003), higher delta wall motion score index (HR 2.57, 95% CI: 1.24-5.35, P=0.01), abnormal stress left ventricular end-systolic volume (HR 2.05, 95% CI: 1.11-3.82, P=0.02), and post-KT status (HR 0.48, 95% CI: 0.30-0.79, P=0.004) were associated with mortality. In the multivariable analysis, male gender and abnormal DSE were independent predictors of mortality [adjusted HR (aHR) 1.65, 95% CI: 1.06-2.20, P=0.02 and aHR 1.88, 95% CI: 1.20-2.93, P=0.006, respectively], while post-KT status emerged as an independent predictor of better outcomes (aHR 0.47, 95% CI: 0.29-0.77, P=0.003).ConclusionsIn KT candidates, preoperative assessment with DSE provides valuable prognostic information for long-term outcomes, particularly regarding all-cause mortality.

Dataset Information

Additive value of dobutamine stress echocardiography in patients with an anomalous origin of a coronary artery.

Publications

Additive value of dobutamine stress echocardiography in patients with an anomalous origin of a coronary artery.

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