Please see
http://www.medschool.umaryland.edu/Anesthesiology/Education/Anesthesiology-Fellowship-Programs/Adult-Cardiothoracic-Anesthesiology-Fellowship/
and
http://www.scahq.org/FellowshipCareerOpportunities/AdultCardiothoracicAnesthesiologyFellowships/AccreditedFellowshipPrograms/UniversityofMarylandSchoolofMedicine.aspx