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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yilmaz, Zeki Ozarda, Yesim Cansev, Mehmet Eralp, Oya Kocaturk, Meric Ulus, Ismail H. |
| Description | Author Affiliation: Yilmaz Z ( Department of Internal Medicine, Turkey, Uludag University, Bursa, Turkey. zyilmaz@uludag.edu.tr |
| Abstract | Sepsis/endotoxemia causes platelet dysfunctions, abnormalities in coagulation and hemostatic mechanisms leading to organ dysfunctions and mortality. Choline prevents organ injury and improves survival during endotoxemia. The main objective of the present study was to determine the effects of choline or cytidine-5'-diphosphocholine (CDP-choline) on endotoxin-induced activation of coagulation and development of disseminated intravascular coagulation (DIC). Dogs were treated intravenously (i.v.) with saline, choline (20 mg/kg), or CDP-choline (70 mg/kg) three times with 4-h intervals starting 5 min before i.v. injection of endotoxin (1 mg/kg). Platelet counts and functions, prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen, coagulation factors, D-dimer and antithrombin (AT) were measured before and at 0.5-96 h after endotoxin. Circulating platelet, fibrinogen, coagulation factors and AT were decreased, whereas PT and aPTT were prolonged and serum D-dimer levels were elevated after endotoxin. Endotoxin-induced reductions in platelet counts and functions, fibrinogen, coagulation factors and AT were attenuated or blocked by choline or CDP-choline. Choline or CDP-choline blocked endotoxin-induced prolongation in PT and aPTT and enhancement in D-dimer. Elevated DIC scores were attenuated by choline and blocked by CDP-choline. Choline administration increased serum choline concentrations and caused bradycardia. Choline also increased choline and acetylcholine contents of circulating mononuclear cells and inhibited radioligand binding to their cholinergic receptors. These data show that choline administration, as choline chloride or CDP-choline, restores the abnormalities in the primary, secondary, and tertiary hemostasis and prevents the development of DIC during experimental endotoxemia in dogs probably by increasing both neuronal and non-neuronal cholinergic activity. |
| File Format | HTM / HTML |
| ISSN | 09575235 |
| Issue Number | 4 |
| Volume Number | 21 |
| e-ISSN | 14735733 |
| Journal | Blood Coagulation & Fibrinolysis |
| Language | English |
| Publisher | Lippincott Williams & Wilkins |
| Publisher Date | 2010-06-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Hematology Blood Coagulation Drug Effects Choline Therapeutic Use Cytidine Diphosphate Choline Disseminated Intravascular Coagulation Prevention & Control Endotoxemia Complications Animals Dogs Chemically Induced Endotoxins Female Male Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Hematology |
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