Abstract:
OBJECTIVE:The authors tested the hypothesis that patients with metabolic syndrome are more likely to develop short-term cognitive dysfunction after cardiac surgery with cardiopulmonary bypass. DESIGN:A prospective study. SETTING:Veterans Affairs medical center. PARTICIPANTS:Fifty-six age- and education-balanced patients undergoing elective cardiac surgery with cardiopulmonary bypass (28 patients with and without metabolic syndrome in two separate groups) and 28 nonsurgical controls were enrolled. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:Recent verbal and nonverbal memory and executive functions were assessed using a psychometric test battery before and 1 week after cardiac surgery or at 1-week intervals in nonsurgical controls. Neurocognitive scores under the baseline condition were at least 1 z score (1 standard deviation) worse in surgical patients with compared without metabolic syndrome in all 3 cognitive areas (nonverbal and verbal recent memory and executive functions). Neurocognitive performance further deteriorated after surgery by at least 1 z score on 3 tests in the verbal memory modality (Immediate and Delayed Story Recall and Delayed Word List Recall). Overall cognitive performance (composite z score) after surgery was significantly (p = 0.03) worse in metabolic syndrome patients compared with those who did not have the disorder. CONCLUSIONS:The results indicate that short-term cognitive functions were more profoundly impaired in patients with metabolic syndrome undergoing cardiac surgery with cardiopulmonary bypass compared with their healthier counterparts.
journal_name
J Cardiothorac Vasc Anesthjournal_title
Journal of cardiothoracic and vascular anesthesiaauthors
Hudetz JA,Patterson KM,Iqbal Z,Gandhi SD,Pagel PSdoi
10.1053/j.jvca.2010.06.008subject
Has Abstractpub_date
2011-04-01 00:00:00pages
282-7issue
2eissn
1053-0770issn
1532-8422pii
S1053-0770(10)00224-7journal_volume
25pub_type
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