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[Equivalent occlusion of the left main coronary artery--case report]
P Walichiewicz1, M Tendera, J Wodniecki
1II Katedry i Kliniki Kardiologii Sl. AM w Katowicach.
Insights
Two patients had coexistent left descending and left circumflex artery occlusions discovered during angiography. Initial ECG and echocardiography tests did not reveal the severe coronary artery disease, highlighting a diagnostic challenge.
Area of Science:
- Cardiology
- Interventional Cardiology
- Diagnostic Imaging
Background:
- Coronary artery disease (CAD) is a leading cause of mortality worldwide.
- Angiography remains the gold standard for diagnosing obstructive CAD.
- Subtle or atypical presentations of severe CAD can pose diagnostic challenges.
Observation:
- Two cases of patients presenting with coexistent left anterior descending artery (LAD) and left circumflex artery (LCx) occlusion are detailed.
- Electrocardiography (ECG) and echocardiography findings in these patients did not initially suggest the extent of coronary vessel defect.
- Diagnostic angiography revealed the significant, coexistent occlusions in both the LAD and LCx arteries.
Findings:
- The study highlights a discrepancy between non-invasive cardiac assessments (ECG, echocardiography) and the actual severity of coronary artery disease found on angiography.
- One patient developed cardiogenic shock following the diagnostic angiography procedure, indicating a critical state of coronary compromise.
- The paper underscores the potential for severe, undiagnosed coronary artery disease to manifest unexpectedly.
Implications:
- These cases emphasize the importance of considering severe coronary artery disease even with non-specific or normal initial diagnostic findings.
- The findings suggest a need for heightened clinical suspicion and potentially earlier or more aggressive diagnostic workup in select patient populations.
- This underscores the critical role of angiography in definitive diagnosis and risk stratification for complex coronary artery disease.
Abstract:
In the paper two cases are described of patients in whom during angiography coexistent occlusion of the left descending artery and left circumflex artery was found. ECG and echocardiography in both cases were not indicating such a high coronary vessel defect. In both patients angiography was performed leading in one case to development of shock with fatal outcome.