Related Experiment Videos
Thrombolysis in refractory unstable angina
C Brunelli1, P Spallarossa, G Ghigliotti
1Department of Cardiology, University of Genova, Italy.
Insights
Thrombolytic therapy shows promise for unstable angina, particularly in identifying high-risk patients. Continuous electrocardiographic monitoring aids in assessing total myocardial ischemia and short-term prognosis.
Area of Science:
- Cardiology
- Vascular Medicine
- Clinical Research
Background:
- Unstable angina has a multifactorial pathogenesis, with plaque rupture and thrombosis being key mechanisms.
- Standardization of medical treatment for unstable angina lags behind that for myocardial infarction.
- Thrombolytic treatment's efficacy in unstable angina requires further clarification.
Purpose of the Study:
- To review existing studies on thrombolytic agents for unstable angina.
- To evaluate the role of coronary angiography in managing unstable angina.
- To investigate the correlation between total myocardial ischemia and short-term prognosis in refractory unstable angina.
Main Methods:
- Review of randomized and nonrandomized studies on thrombolytic therapy in unstable angina.
- Analysis of patients with refractory unstable angina treated with thrombolytic therapy.
- Continuous electrocardiographic monitoring to assess total myocardial ischemia.
Main Results:
- Thrombolytic therapy's role in unstable angina is not yet clearly defined.
- Coronary artery bypass surgery in the acute phase yielded disappointing results.
- Total myocardial ischemia appears to significantly impact prognosis in unstable angina.
Conclusions:
- Further research is needed to standardize unstable angina treatment.
- Identifying high-risk patient subsets is crucial for targeted therapeutic interventions.
- Continuous electrocardiographic monitoring may have a significant prognostic role in unstable angina.
Abstract:
Multiple drug therapy, including nitrates, beta blockers, calcium antagonists, aspirin, and heparin, has been advocated as effective in the treatment of unstable angina, a syndrome with a multifactorial pathogenesis. Recently, plaque rupture and thrombosis have been demonstrated as the most important pathogenetic mechanisms. Nevertheless, clear-cut results on the effects of thrombolytic treatment in unstable angina are still lacking. Some possible explanations why the medical treatment of unstable angina has still not yet been standardized, whereas that of myocardial infarction has, are suggested. A review of randomized and nonrandomized studies published on this topic evaluating the role of different thrombolytic agents in unstable angina is presented. In addition the role of coronary angiography is discussed. In view of the disappointing results of coronary artery bypass surgery performed in the acute phase of the disease, one of the goals of clinical research is to identify subsets of patients at high and low risk and who undergo different types of therapeutic interventions. To support published data suggesting that total myocardial ischemia has a significant impact on prognosis, we present our results of a study carried out on patients with refractory unstable angina treated with thrombolytic therapy and evaluated with continuous electrocardiographic monitoring in the attempt to correlate total myocardial ischemia with short-term prognosis. Data in favor of the prognostic role of continuous electrocardiographic monitoring in unstable angina are also reviewed. Finally, we propose some suggestions that might be useful for future studies.