Shahid Rashid, Uzma Gul, Muhammad Ali, Tahira Sadiq, Azhar Mehmood Kiyani.
Coronary Artery Ectasia: Clinical and Angiographic Features.
J Coll Physicians Surg Pak Jan ;28(11):824-8.

Objective: To investigate the clinical and angiographic characteristics of coronary artery ectasia (CAE) and its relation with the inflammatory marker, HsCRP. Study Design: An observational study. Place and Duration of Study: Rawalpindi Institute of Cardiology, Rawalpindi, from April 2015 till November 2016. Methodology: Eighty-one patients with CAE and 57 age matched patients with stenotic coronary artery disease (CAD), but without CAE, were included in the study. Clinical, angiographic, and laboratory data were documented. Chi-square test was used to compare coronary risk factors between two groups. T test was used to compare means between the groups. Analysis of variance was used to analyse HsCRP levels among various types of ectasia. Correlation analysis was used to study association of ectasia with different risk factors. Results: Males were predominant in both with & without CAE. Hypertension, smoking and obesity were significantly more common among CAE patients than those without (60.5% vs. 52.6%, 56.8% vs. 43.9% and 80.2% vs. 14%, respectively). Diabetes was much less in CAE group (32.1% vs. 42.1%). HsCRP was higher in patients with CAE than those without and was significantly higher in patients with more extensive ectasia. Majority (65.4%) of CAE patients had significant CAD; whereas, only 7.4% had isolated CAE. Most common artery involved was RCA (70.4% of total) and most common pattern was single ectatic vessel. Conclusion: Obesity and smoking predispose to CAE, along with male sex and hypertension. While diabetes is negatively associated with CAE. HsCRP levels tend to be higher in ectasia patients, especially those with severe forms. Finally, CAE has a predilection for RCA.

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