Anesthesiology pp 323-328 | Cite as

Aortic Stenosis: Anesthesia Considerations

  • Benjamin KloeselEmail author
  • Kumar Belani


Aortic stenosis in children is just one subtype amongst a group of diseases that result in left ventricular outflow tract obstruction. A way of categorizing those diseases is by the location of the obstruction. In the pediatric population, the most common location is at the valve level (valvular), followed by the subvalvular area. The least common form is found above the valve level (supravalvular). Left ventricular outflow tract obstruction can have many different etiologies, including aortic valve leaflet anomalies, endocardial folds and fibromuscular ridges. Knowing the type and etiology is important for perioperative care because of major impact on the conduct of an anesthetic—supravalvular aortic stenosis secondary to Williams’s syndrome, for example, places the child at high risk for intraoperative adverse events, including cardiac arrest. Even in the absence of concomitant syndromes, the presence of significant left ventricular outflow tract obstruction may impair cardiac output and coronary perfusion with resultant unwanted serious consequences, necessitating a carefully planned and executed anesthetic plan.


Aortic stenosis Supravalvular obstruction Subvalvular obstruction Valvular obstruction Left ventricular outflow tract obstruction Bicuspid aortic valve 


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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of AnesthesiologyUniversity of Minnesota, Masonic Children’s HospitalMinneapolisUSA

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