Related Experiment Videos
Surgical revascularization of posterior coronary arteries without cardiopulmonary bypass
J G Lobo Filho1, J M de Albuquerque, C B Gomes
1Instituto do Coração e Pulmão ICORP, Hospital Prontocárdio, Fortaleza, Brazil.
Insights
Posterior coronary arteries revascularization without cardiopulmonary bypass (CPB) shows promising early results. This minimally invasive approach demonstrated acceptable morbidity and mortality rates in a recent study.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Procedures
- Coronary Artery Disease Treatment
Background:
- Myocardial revascularization (MR) is a cornerstone treatment for coronary artery disease.
- Minimally invasive techniques, such as off-pump surgery, are increasingly explored to reduce surgical risks.
- The posterior coronary arteries (PCA) supply critical regions of the myocardium, and their revascularization outcomes are of significant interest.
Purpose of the Study:
- To evaluate the early postoperative outcomes of revascularizing posterior coronary arteries without cardiopulmonary bypass (CPB).
- To assess key parameters including patient demographics, graft types, morbidity, and mortality in this specific surgical cohort.
Main Methods:
- A retrospective analysis of 673 patients undergoing myocardial revascularization (MR) from January 1995 to June 1998.
- Focus on 298 patients (44.27%) whose posterior coronary arteries (PCA) were revascularized, with 280 (93.95%) performed off-pump (without CPB).
- Detailed data collection on patient age, sex, graft types, and early postoperative complications.
Main Results:
- The study included 298 patients undergoing PCA revascularization, predominantly off-pump (93.95%).
- The mean patient age was 61 years, with a male predominance (70.7%).
- Early postoperative morbidity was 2.5% (7 cases), and mortality was 3.9% (11 deaths).
Conclusions:
- Posterior coronary artery revascularization can be safely and effectively performed without cardiopulmonary bypass.
- Off-pump techniques for PCA revascularization appear to yield favorable early outcomes, comparable to anterior revascularization.
- This approach may offer significant benefits for patients requiring revascularization of the posterior coronary circulation.
Objective:
To assess the results observed during the early postoperative period in patients who had the posterior coronary arteries revascularized without cardiopulmonary bypass (CPB), in regard to the following parameters: age, sex, bypass grafts types, morbidity and mortality.
Methods:
From January 1995 to June 1998, 673 patients underwent myocardial revascularization (MR). Of this total, 607 (90.20%) MR procedures were performed without CPB. The posterior coronary arteries (PCA) were revascularized in 298 (44.27%) patients, 280 (93.95%) without CPB. The age of the patients ranged from 37 to 88 years (mean, 61 years). The male gender predominated, with 198 men (70.7%). The revascularization of the posterior coronary arteries had the following distribution: diagonalis artery (31 patients, 10%); marginal branches of the circumflex artery (243 patients, 78.7%); posterior ventricular artery (4 patients, 1.3%); and posterior descending artery (31 patients, 10%).
Results:
Procedure-related complications without death occurred in 7 cases, giving a morbidity of 2.5%. There were 11 deaths in the early postoperative period (mortality of 3.9%).
Conclusion:
Similarly to the anterior coronary arteries, the posterior coronary arteries may benefit from myocardial revascularization without CPB.