Angina resolution and percutaneous coronary intervention: a review
Percutaneous coronary intervention, PCI, aims to relieve angina symptoms in patients with stable coronary artery disease. However, predicting symptom resolution post-percutaneous coronary intervention has proven difficult as the predictors are ill-defined. Furthermore, there is little evidence which supports the fact that PCI improves angina in coronary artery disease patients. Understanding why angina is not always improved by PCI will allow for improved management. This study included 777 patients, following them up for a median amount of 387 days. Most patients were seen to have symptom resolution post-PCI. However, those who had previously documented ischaemia were seen to have persistent angina post-PCI. Hence, it is clear that the relationship between PCI and coronary artery disease are not fully understood.
This review by Verreault-Julien L et al. aimed to understand the relationship between angina symptoms and percutaneous coronary intervention.
Although percutaneous coronary intervention is seen to improve symptom resolution, it is not fully understood. With the risk of previously documented ischaemia correlating with persistent angina post-PCI, more research is needed into understanding the effects of PCI.