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Kardiologiia ; 48(5): 56-9, 2008.
Article in Russian | MEDLINE | ID: mdl-18537805

ABSTRACT

Aim of the study was to assess effect of therapy with b-adrenoblockers and If-inhibitors on the rate of development of coronary complications of carotid endarterectomy. Patients (n=111, mean age 61 +/- 4 years) subjected to carotid endarterectomy in 2006 - 2007 were divided into 3 groups according to therapy in pre-, intra-, and postoperative period. Group 1 consisted of 48 patients treated with metoprolol. Group 2 comprised 33 patients with contraindications to b-adrenoblockers who were treated with If-inhibitor ivabradine. Patients of control group 3 (n=30) received neither b-adrenoblocker nor If-inhibitor. There were no significant differences between groups in sex, age, concomitant pathology, and degree of stenosis of operated carotid artery. We assessed rate of development of ischemia and myocardial infarction during operation and in first 24 hours after surgery. In group 1 mean 24 hour heart rate according to Holter ECG monitoring after 7 days of therapy decreased by 14 +/- 3,7 beats/min, episodes of ischemia after surgery were registered in 4 patients (8%). In group 2 mean 24 hour heart rate decreased by 10 +/- 2,5 beats/min, 4 patients (12%) had signs of myocardial ischemia during first 24 hours after surgery. There were no myocardial infarctions in groups 1 and 2. In control group mean 24 hour heart rate did not significantly change. Significantly higher number of postoperative coronary complications was revealed among patients of this group: 2 (6%) developed myocardial infarctions, in 5 (17%) appeared signs of myocardial ischemia. Administration of b-adrenoblocker metoprolol and If-inhibitor ivabradine significantly lowers rate of development of coronary complications after carotid endarterectomy. Ivabradine is indicated to patients with contra indications to b-adrenoblockers.


Subject(s)
Adrenergic beta-Antagonists/therapeutic use , Benzazepines/therapeutic use , Carotid Artery Diseases/surgery , Endarterectomy, Carotid/adverse effects , Metoprolol/therapeutic use , Myocardial Infarction/prevention & control , Drug Therapy, Combination , Follow-Up Studies , Humans , Incidence , Ivabradine , Middle Aged , Myocardial Infarction/epidemiology , Myocardial Infarction/etiology , Postoperative Complications , Retrospective Studies , Russia/epidemiology , Stereoisomerism , Treatment Outcome
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