title: Comparison of coronary artery dimensions in patients with chronic aortic regurgitation or stenosis.
abstract: OBJECTIVE
  Effects of various conditions on coronary artery dimensions is an important research topic, and data regarding effect of aortic valvular diseases are limited. Aim of the present study was to investigate effects of aortic regurgitation (AR) and aortic stenosis (AS) on coronary artery dimensions.
  
  
  METHODS
  Coronary dimensions of 95 patients (35 with isolated AR, 30 with isolated AS, and 30 without any valvular disease) were calculated. Patients with severe coronary artery disease and concurrent moderate to severe additional valvular disease were excluded. Mean diameter of major coronary arteries was determined using quantitative coronary angiography.
  
  
  RESULTS
  The 3 study groups were similar in terms of baseline characteristics. Diameter of left main coronary artery was found to be greater in AR group than AS group (2.66±0.57 mm/m2 vs 2.36±0.49 mm/m2; p=0.015). Mean diameter of left anterior descending and left circumflex arteries were found to be similar in AR and AS groups, and greater than control group. Mean diameter of right coronary artery was found to be greater in AR group compared with controls; however, no significant difference was found in same measurement between AS group and controls.
  
  
  CONCLUSIONS
  Present study findings indicate that coronary dimensions in AR group tend to be greater than AS group. Further studies investigating factors that affect coronary dimensions would be beneficial in order to demonstrate mechanisms and differences in AR and AS groups.
authors.affiliation: Department of Cardiology, Dışkapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey.
authors.forename: Hamza
authors.initials: H
authors.lastname: Sunman
authors.forename: Mehmet
authors.initials: M
authors.lastname: Erat
authors.forename: Kadriye
authors.initials: K
authors.lastname: Gayretli Yayla
authors.forename: Engin
authors.initials: E
authors.lastname: Algül
authors.forename: Mehmet
authors.initials: M
authors.lastname: Aytürk
authors.forename: Lale
authors.initials: L
authors.lastname: Dinç Asarcıklı
authors.forename: Murat
authors.initials: M
authors.lastname: Bilgin
authors.forename: Tolga
authors.initials: T
authors.lastname: Çimen
authors.forename: Ahmet
authors.initials: A
authors.lastname: Akyel
authors.forename: Sadık
authors.initials: S
authors.lastname: Açıkel
authors.forename: Mehmet
authors.initials: M
authors.lastname: Doğan
authors.forename: Ekrem
authors.initials: E
authors.lastname: Yeter
mesh_terms: D000328:Adult; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging* / Q000473:pathology / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging* / Q000473:pathology / Q000503:physiopathology; D016022:Case-Control Studies; D017023:Coronary Angiography; D003326:Coronary Circulation; D003331:Coronary Vessels / Q000000981:diagnostic imaging* / Q000473:pathology / Q000503:physiopathology; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged