Related Experiment Video

Updated: May 5, 2026

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
10:03

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty

Published on: January 28, 2020

4.9K

Improved risk stratification in patients with coronary artery disease. Application of a survival function using

H Gohlke1, P Betz, H Roskamm

  • 1Rehabilitationszentrum für Herz-und Kreislaufkranke, Bad Krozingen, F.R.G.

European Heart Journal
|April 1, 1988
PubMed

Insights

This study identifies key factors like cardiac output and coronary score to predict survival in coronary artery disease (CAD) patients. These findings improve risk stratification for better patient management and prognosis assessment.

Area of Science:

  • Cardiology
  • Medical Prognostics
  • Clinical Research

Background:

  • Prognosis assessment is crucial for managing patients with coronary artery disease (CAD).
  • Accurate risk stratification is needed for patients with known coronary angiographic findings.

Purpose of the Study:

  • To enhance risk stratification in patients diagnosed with CAD.
  • To identify independent prognostic variables in medically treated CAD patients.

Main Methods:

  • Analysis of 13 angiographic, exercise, and clinical variables.
  • Multivariate analysis using a proportional hazards regression model.
  • Studied 1183 medically treated patients with documented CAD.

Main Results:

  • Identified five independent prognostic variables: cardiac output at highest workload (COmax), coronary score, heart volume, maximal pulmonary wedge pressure during exercise, and history of myocardial infarction.
  • The regression model accurately predicted 5-year actuarial survival rate (5-YSR).
  • For three-vessel disease patients, predicted 5-YSR closely matched actuarial survival (81% vs. 80%).

Conclusions:

  • The identified variables significantly improve prognostic prediction in CAD patients.
  • Enhanced risk stratification aids in tailoring patient management strategies.
  • Accurate prognosis assessment is vital for optimizing outcomes in coronary artery disease.

More Related Videos

Establishing a Competing Risk Regression Nomogram Model for Survival Data04:57

Establishing a Competing Risk Regression Nomogram Model for Survival Data

Published on: October 23, 2020

9.9K
Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure05:16

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure

Published on: June 10, 2025

806

Related Concept Videos

Actuarial Approach01:20

Actuarial Approach

The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
396
Kaplan-Meier Approach01:24

Kaplan-Meier Approach

The Kaplan-Meier estimator is a non-parametric method used to estimate the survival function from time-to-event data. In medical research, it is frequently employed to measure the proportion of patients surviving for a certain period after treatment. This estimator is fundamental in analyzing time-to-event data, making it indispensable in clinical trials, epidemiological studies, and reliability engineering. By estimating survival probabilities, researchers can evaluate treatment effectiveness,...
807
Cancer Survival Analysis01:21

Cancer Survival Analysis

Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
870
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
450
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
1.2K
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
747