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Updated: Aug 11, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
Cardiac structure and function in renal disease
Insights
Uraemic patients often die from cardiac ischemia, even without coronary lesions. Structural heart abnormalities like left ventricular hypertrophy, fibrosis, and microvascular changes contribute to reduced ischemia tolerance in these patients.
Area of Science:
- Cardiology
- Nephrology
- Pathology
Background:
- Cardiac death is the leading cause of mortality in patients with kidney failure (uremia).
- Ischemia-related cardiac events occur frequently in uremic patients, independent of significant coronary artery disease.
Purpose of the Study:
- To review recent findings on cardiac structural abnormalities affecting ischemia tolerance in uremic patients.
- To elucidate the mechanisms underlying cardiac death in the context of uremia.
Main Methods:
- Review of current literature on cardiac structure and function in uremic patients.
- Analysis of pathological findings related to cardiac ischemia and uremia.
Main Results:
- Uremia is associated with left ventricular hypertrophy not solely due to hypertension.
- Interstitial fibrosis is a common finding in the hearts of uremic patients.
- Myocardial microvascular abnormalities, including capillary rarefaction and arteriolar wall thickening, are prevalent.
Conclusions:
- Structural cardiac changes in uremia significantly impair the heart's ability to tolerate ischemia.
- These abnormalities, including hypertrophy, fibrosis, and microvascular damage, contribute to the high incidence of cardiac death in uremic individuals.
Abstract:
Cardiac death secondary to ischaemia, but not necessarily associated with coronary lesions, is the leading cause of death in uraemic patients. This article reviews recent findings that demonstrate abnormalities of cardiac structure which have a bearing on ischaemia tolerance. These abnormalities comprise the following: (1) left ventricular hypertrophy not fully explained by increased mean arterial pressure, (2) interstitial fibrosis and (3) abnormalities of myocardial microvasculature, i.e. capillary rarefaction and arteriolar-wall thickening.
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