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Journals / Annals of Medical Research / 2020 / Cilt: 27 - Sayı: 6

Influence of coronary artery dominance on long-term outcome in patients with non-obstructive coronary artery disease

Hasan Ali BARMAN
Pages
1766–1770
Publication Date
2022-10-12
DOI
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Findings of a multivariate regression analysis indicated thatdiabetes mellitus (HR: 2.008, 95% CI:1.034–3.902, p=0.04) and left dominance (HR:1.55, 95%CI: 1.094–2.200, p=0.014) can serve asindependent predictors of mortality in these patients.Conclusion: Left dominance has been found to be associated with higher rates of mortality in non-obstructive CAD patients duringa long-term follow up.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: Coronary arterial dominance is described on the basis of artery that feeds the posterior descending artery (PDA) andposterolateral branches.
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Key Findings & Data:This research therefore aims to study the influence of coronary dominance on long-term mortalityin patients with non-obstructive CAD.Material and Methods: This retrospective research involved 592 patients who had been subjected to elective coronary angiography.On the basis of coronary artery dominance pattern, the subjects were categorized into two groups i.e. left dominance group (n=84)and right dominance group (n=508).
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Conclusion & Impact:Findings of a multivariate regression analysis indicated thatdiabetes mellitus (HR: 2.008, 95% CI:1.034–3.902, p=0.04) and left dominance (HR:1.55, 95%CI: 1.094–2.200, p=0.014) can serve asindependent predictors of mortality in these patients.Conclusion: Left dominance has been found to be associated with higher rates of mortality in non-obstructive CAD patients duringa long-term follow up.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Aim: Coronary arterial dominance is described on the basis of artery that feeds the posterior descending artery (PDA) andposterolateral branches. The literature lacks any data on long-term influence of coronary arterial dominance on non-obstructivecoronary artery disease (CAD). This research therefore aims to study the influence of coronary dominance on long-term mortalityin patients with non-obstructive CAD.Material and Methods: This retrospective research involved 592 patients who had been subjected to elective coronary angiography.On the basis of coronary artery dominance pattern, the subjects were categorized into two groups i.e. left dominance group (n=84)and right dominance group (n=508). Patients demonstrating co-dominance were placed in the left dominance group. All-causemortality was considered to be the primary endpoint of the research.Results: Most (65%, 382) of the patients included in the study were male. Average age of subjects was 60±9.7 years. Right coronarydominance was demonstrated by 85.8% patients while left coronary dominance was demonstrated by 14.2% patients. 42 deathsoccurred as per the recordings made in a follow-up of 48±12.9 months. In case of right dominance group, mortality rate was6.1% and in case of left dominance group, it was 13.1% (p=0.021). Findings of a multivariate regression analysis indicated thatdiabetes mellitus (HR: 2.008, 95% CI:1.034–3.902, p=0.04) and left dominance (HR:1.55, 95%CI: 1.094–2.200, p=0.014) can serve asindependent predictors of mortality in these patients.Conclusion: Left dominance has been found to be associated with higher rates of mortality in non-obstructive CAD patients duringa long-term follow up.

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Cite This Article

BARMAN, H. A. (2022). Influence of coronary artery dominance on long-term outcome in patients with non-obstructive coronary artery disease. Annals of Medical Research, Cilt: 27 - Sayı: 6, 1766–1770. https://ajindex.com/articles/446568

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