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Coronary tortuosity: a long and winding road
E S Zegers1, B T J Meursing, E B Zegers
1Department of Cardiology, Radboud University Medical Centre, Nijmegen, the Netherlands.
Summary
Coronary tortuosity, a heart artery condition, may cause angina without blockages. This study suggests tortuosity alters blood flow, potentially leading to ischemia and chest pain.
Area of Science:
- Cardiology
- Vascular Medicine
Background:
- Coronary tortuosity is frequently observed during coronary angiography.
- The causes and clinical significance of coronary tortuosity remain largely unknown.
- A specific presentation of coronary tortuosity without atherosclerotic stenosis in patients experiencing angina pectoris and abnormal exercise stress tests has not been previously documented.
Purpose of the Study:
- To describe cases of coronary tortuosity presenting with anginal symptoms and abnormal exercise stress tests, in the absence of fixed atherosclerotic lesions.
- To hypothesize a potential mechanism linking coronary tortuosity to myocardial ischemia.
Main Methods:
- Case series presentation.
- Review of three patients with anginal complaints, abnormal exercise stress tests, and coronary angiography findings.
- Coronary angiography performed to assess for fixed atherosclerotic lesions.
Main Results:
- Three cases are presented detailing patients with angina and abnormal stress tests but no significant coronary artery disease on angiography.
- Coronary tortuosity was identified as a common feature in these patients.
- The tortuous segments were not associated with fixed atherosclerotic stenosis.
Conclusions:
- Coronary tortuosity, even without atherosclerotic stenosis, may be associated with anginal symptoms and abnormal stress tests.
- It is hypothesized that coronary tortuosity can lead to altered coronary blood flow and reduced distal pressure, causing ischemia.
- Further research is needed to confirm the mechanism and clinical importance of coronary tortuosity in causing cardiac ischemia.
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