Clinical and Electrocardiographic Predictors of Outcome in Patients with Coronary Chronic Total Occlusion

Abstract

Background: Chronic total occlusions (CTOs) are considered as the most complex lesions to treat via percutaneous coronary intervention (PCI), due to the indications, costs and technical difficulties related to these procedures. As a consequence, only about 10% of all CAD patients, clinically eligible for CTO-PCI, are currently being treated via PCI. The majority is treated either medically or via coronary artery bypass graft (CABG) surgery. 
Aims of the study: estimate the success rate and clinical predictor of outcome in patients with chronic total occlusion. 
Patients and methods: One hundred patients with chronic total occlusion were enrolled in this study for the period October 2014 - May 2015 were enrolled  who were attending  Iraqi center for heart disease. Descriptive analyses were performed using SPSS Statistics to assess the relationship between procedural success and any of the demographic and/or clinical characteristics. The level of significance was set at 95% or higher.
Results: Sixty-one patients out of 100 patients (61%) had a successful PCI. Univariate analyses showed  significant differences for  gender and  Electrocardiography with success rate.  
Conclusion: From this study we can concluded that  female gender ,ECG changes and single vessels diseased artery were the early predictor for success of chronic total occlusion.
*Assistant prof. cardiology , college of medicine  , University of Baghdad ** Interventional cardiologist , Medical city of  Baghdad