title: Thoracic epidural analgesia started after cardiopulmonary bypass.
authors.forename: D J
authors.initials: DJ
authors.lastname: Turfrey
authors.forename: N B
authors.initials: NB
authors.lastname: Scott
mesh_terms: D015360:Analgesia, Epidural / Q000009:adverse effects*; D002315:Cardiopulmonary Bypass; D006801:Humans; D010149:Postoperative Pain / Q000517:prevention & control*; D012120:Respiration Disorders / Q000209:etiology; D012189:Retrospective Studies