Aprotinin decreases the incidence of cognitive deficit following CABG and cardiopulmonary bypass: a pilot randomized controlled study.
AuthorsHarmon, Dominic C
Ghori, Kamran G
Eustace, Nicholas P
O'Callaghan, Sheila J F
O'Donnell, Aonghus P
Shorten, George D
AffiliationDepartment of Anaesthesia and Intensive Care Medicine, Cork University Hospital, , Wilton Road, Cork, Ireland. firstname.lastname@example.org
Cardiopulmonary Bypass/*adverse effects/methods/psychology
Cognition Disorders/etiology/*prevention & control/psychology
Coronary Artery Bypass/*adverse effects/methods/psychology
Dose-Response Relationship, Drug
Neuropsychological Tests/statistics & numerical data
Postoperative Complications/etiology/prevention & control/psychology
Psychiatric Status Rating Scales/statistics & numerical data
MetadataShow full item record
CitationCan J Anaesth. 2004 Dec;51(10):1002-9.
JournalCanadian journal of anaesthesia = Journal canadien d'anesthesie
AbstractPURPOSE: Cognitive deficit after coronary artery bypass surgery (CABG) has a high prevalence and is persistent. Meta-analysis of clinical trials demonstrates a decreased incidence of stroke after CABG when aprotinin is administrated perioperatively. We hypothesized that aprotinin administration would decrease the incidence of cognitive deficit after CABG. METHODS: Thirty-six ASA III-IV patients undergoing elective CABG were included in a prospective, randomized, single-blinded pilot study. Eighteen patients received aprotinin 2 x 10(6) KIU (loading dose), 2 x 10(6) KIU (added to circuit prime) and a continuous infusion of 5 x 10(5) KIU.hr(-1). A battery of cognitive tests was administered to patients and spouses (n = 18) the day before surgery, four days and six weeks postoperatively. RESULTS: Four days postoperatively new cognitive deficit (defined by a change in one or more cognitive domains using the Reliable Change Index method) was present in ten (58%) patients in the aprotinin group compared to 17 (94%) in the placebo group [95% confidence interval (CI) 0.10-0.62, P = 0.005); (P = 0.01)]. Six weeks postoperatively, four (23%) patients in the aprotinin group had cognitive deficit compared to ten (55%) in the placebo group (95% CI 0.80-0.16, P = 0.005); (P = 0.05). CONCLUSION: In this prospective pilot study, the incidence of cognitive deficit after CABG and cardiopulmonary bypass is decreased by the administration of high-dose aprotinin.
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