Related Experiment Video
Updated: Aug 3, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
Published on: April 25, 2014
Left ventricular function following thrombolytic therapy for myocardial infarction
1Cardiology Department, Green Lane Hospital, Auckland, New Zealand.
Insights
Measuring left ventricular function is crucial for assessing thrombolytic therapy effectiveness after myocardial infarction. Improved left ventricular function significantly correlates with reduced mortality, guiding treatment strategies.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Thrombolytic therapy has significantly reduced mortality from cardiac failure post-myocardial infarction.
- Left ventricular function remains a critical prognostic indicator following acute myocardial infarction recovery.
Purpose of the Study:
- To evaluate the utility of left ventricular function measurements in assessing thrombolytic agent efficacy.
- To determine the prognostic value of left ventricular function in the context of thrombolytic therapy.
Main Methods:
- Systematic review of published studies.
- Analysis of clinical trials assessing left ventricular function and survival outcomes.
- Examination of data from the Global Utility of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries (GUSTO) Trial.
Main Results:
- Three trials demonstrated improved left ventricular function and survival with thrombolytic therapy compared to placebo.
- Left ventricular function, assessed via ejection fraction, end-systolic volume, or infarct zone contractility at 90 minutes, strongly correlated with 30-day mortality (P < 0.01).
- The GUSTO Trial findings support the correlation between left ventricular function and mortality reduction.
Conclusions:
- Left ventricular function is a key metric for evaluating the effectiveness of thrombolytic agents and adjuvant regimens.
- Accurate assessment of left ventricular function aids in predicting patient outcomes after myocardial infarction treated with thrombolytics.
Abstract:
1. The aim of this study was to evaluate the utility of measurement of left ventricular function in assessing the efficacy of thrombolytic agents. 2. All published studies were reviewed. 3. The major effect of the introduction of thrombolytic therapy on mortality after myocardial infarction has been a dramatic decrease in the number of patients dying from cardiac failure. In the thrombolytic era, left ventricular function has remained the most important prognostic factor after recovery from acute myocardial infarction. There are three trials with the statistical power to evaluate left ventricular function, where both left ventricular function and survival were improved compared to placebo or control treatment. The recent Global Utility of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries (GUSTO) Trial supports these findings, with left ventricular function being strongly correlated with mortality reduction. Left ventricular function, measured at 90 min either as ejection fraction, end-systolic volume or infarct zone contractility, closely correlated with 30 day mortality, P < 0.01. 4. Left ventricular function remains an important factor in the evaluation of the efficacy of different thrombolytic and adjuvant regimens.
More Related Videos
08:13In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
08:19Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs
Published on: July 12, 2022
Related Concept Videos
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Myocarditis III: Medical Management
Acute Coronary Syndrome III: Diagnostic Studies