title: A rare presentation of late right coronary artery spasm following aortic valve replacement.
abstract: BACKGROUND
  Coronary artery spasm (CAS) is defined as a reversible, sudden epicardial coronary artery stenosis that causes vessel occlusion or near occlusion.
  
  
  METHODS
  In this article, we present a clinical case of CAS in a 48-year-old woman undergoing elective aortic valve replacement surgery for aortic stenosis. On the 3rd post-operative day, the patient suffered from chest pain and dyspnea. Emergent coronary angiography demonstrated a significant spasm of the ostium portion of the right coronary artery.
  
  
  CONCLUSIONS
  This case shows that delayed coronary spasm should be considered as a cause of hemodynamic instability after valvular surgery.
authors.affiliation: Heart Valve Disease Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Alireza
authors.initials: A
authors.lastname: Alizadeh-Ghavidel
authors.affiliation: Cardiovascular Intervention Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Hosseinali
authors.initials: H
authors.lastname: Basiri
authors.affiliation: Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Ziae
authors.initials: Z
authors.lastname: Totonchi
authors.affiliation: Heart Valve Disease Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Yalda
authors.initials: Y
authors.lastname: Mirmesdagh
authors.affiliation: Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Farshad
authors.initials: F
authors.lastname: Jalili-Shahandashti
authors.affiliation: Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Behnam
authors.initials: B
authors.lastname: Gholizadeh
keywords: Aortic Valve Replacement; Coronary Artery Disease; Coronary Artery Vasospasm; Postoperative Complication