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[Coronary morphometry in essential arterial hypertension]

A Dagianti¹, S Rosanio, R Luongo

¹Dipartimento di Scienze Cardiovascolari e Respiratorie, Università degli Studi La Sapienza, Roma.

Cardiologia (Rome, Italy)

|August 1, 1993

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Coronary artery tortuosity, a bending of arteries, is common in heart conditions like hypertension and hypertrophic cardiomyopathy. This study found tortuous arteries are linked to myocardial ischemia in essential hypertension patients.

Area of Science:

Cardiology
Vascular Biology
Diagnostic Imaging

Background:

Coronary artery tortuosity is an understudied vascular morphology.
Its association with cardiac conditions and ischemic events requires further investigation.

Purpose of the Study:

To determine the prevalence of coronary artery tortuosity in various cardiac diseases.
To explore the pathophysiological significance of tortuosity, particularly its link to myocardial ischemia.

Main Methods:

Reviewed 1530 coronaroventriculographies to identify coronary artery tortuosity.
Analyzed echocardiograms for left ventricular hypertrophy.
Compared hypertensive patients with and without tortuosity using various stress tests.

Main Results:

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Coronary tortuosity was prevalent in 64% of hypertensives, 58% of aortic stenosis patients, and 100% of hypertrophic cardiomyopathy patients.
Tortuosity significantly associated with concentric left ventricular hypertrophy.
Hypertensive patients with tortuous arteries showed a higher prevalence of myocardial ischemia (63% vs. 11%).

Conclusions:

Coronary artery tortuosity is frequently observed in hypertensive and other cardiac disease patients.
Tortuosity is linked to left ventricular hypertrophy and is an independent predictor of myocardial ischemia in essential hypertension.