Pronounced Coronary Arteriosclerosis in Cirrhosis: Influence on Cardiac Function and Survival?

Karen V Danielsen1,2, Signe Wiese3,4, Jens Hove5

  • 1Centre for Functional and Diagnostic Imaging, Department of Clinical Physiology and Nuclear Medicine, Hvidovre Hospital, Hvidovre, Denmark. kvdanielsen@gmail.com.

Insights

Patients with cirrhosis show significantly higher coronary artery calcium scores, especially those with alcoholic cirrhosis. However, coronary arteriosclerosis appears to have limited impact on cardiac function and survival in this group.

Area of Science:

  • Cardiology
  • Hepatology
  • Radiology

Background:

  • The relationship between excessive alcohol consumption and coronary arteriosclerosis is debated.
  • Cirrhosis etiology is a potential risk factor for arteriosclerotic lesions.
  • Coronary artery calcium score (CACS) via CT angiography is a key marker for coronary arteriosclerosis.

Purpose of the Study:

  • To assess the burden of coronary arteriosclerosis in cirrhotic patients across different etiologies.
  • To investigate the association between coronary arteriosclerosis and cardiac dysfunction.
  • To evaluate the impact of coronary arteriosclerosis on survival in cirrhotic patients.

Main Methods:

  • Coronary CT angiography was performed on 57 cirrhotic patients without prior cardiovascular disease.
  • Tissue Doppler echocardiography, ECG, and clinical/biochemical data were collected.
  • Coronary artery calcium score (CACS) was analyzed in relation to patient characteristics and outcomes.

Main Results:

  • Cirrhotic patients exhibited significantly elevated CACS compared to healthy controls (men: 328 vs. 9 HU; women: 136 vs. 0 HU).
  • Alcohol-related cirrhosis showed markedly higher CACS than non-alcohol-related cirrhosis (362 vs. 46 HU).
  • CACS correlated with age and was associated with diastolic dysfunction, but not other cardiovascular risk factors or survival.

Conclusions:

  • Coronary arteriosclerosis is extensive in cirrhotic patients, particularly those with alcoholic cirrhosis.
  • Coronary arteriosclerosis has a limited influence on cardiac function and survival in this population.
  • Age is the primary factor associated with coronary arteriosclerosis in cirrhotic patients, with other traditional risk factors showing no significant interference.
Abstract

Related Concept Videos

Survival Curves01:18

Survival Curves

Survival curves are graphical representations that depict the survival experience of a population over time, offering an intuitive way to track the proportion of individuals who remain event-free at each time point. These curves are widely used in fields such as medicine, public health, and reliability engineering to visualize and compare survival probabilities across different groups or conditions.
The Kaplan-Meier estimator is the most common method for constructing survival curves. This...
745
Survival Tree01:19

Survival Tree

Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
 Building a Survival Tree
Constructing a...
437
Coronary Circulation01:21

Coronary Circulation

The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...
7.6K
Introduction To Survival Analysis01:18

Introduction To Survival Analysis

Survival analysis is a statistical method used to study time-to-event data, where the "event" might represent outcomes like death, disease relapse, system failure, or recovery. A unique feature of survival data is censoring, which occurs when the event of interest has not been observed for some individuals during the study period. This requires specialized techniques to handle incomplete data effectively.
The primary goal of survival analysis is to estimate survival time—the time...
840
Comparing the Survival Analysis of Two or More Groups01:20

Comparing the Survival Analysis of Two or More Groups

Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
618
Truncation in Survival Analysis01:09

Truncation in Survival Analysis

Truncation in survival analysis refers to the exclusion of individuals or events from the dataset based on specific criteria related to the time of the event. This exclusion can happen in two primary forms: left truncation and right truncation.
Left truncation occurs when individuals who experienced the event of interest before a certain time are not included in the study. This is often due to a "delayed entry" into the study where only those who survive until a certain entry point are...
639