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[Platelet inhibition in clinical practice].

Abstract
Evidence for a beneficial effect of antiaggregatory treatment is strong for many clinical entities. However, there are controversial situations challenging us in daily practice, such as failure of antiaggregatory therapy (case 1), inconclusive evidence for the benefit of certain antiaggregatory medications (case 2) or increased risk of bleeding in aorto-coronary bypass surgery after irreversible antiaggregation (case 3). The phenomenon of aspirin or clopidogrel resistance means the occurrence of ischemic complications despite adequate antiaggregation. It may be caused by malcompliance, variable bioavailability, drug interactions or genetic polymorphisms. For peripheral arterial occlusive disease, a beneficial effect of aspirin is questioned by recent studies in contrast to the recommendations given in international guidelines. Finally, irreversible inhibition of platelet aggregation by GPIIb/IIIa inhibitors given during percutaneous coronary intervention can be overcome by transfusion of functional platelets to reduce bleeding during subsequent bypass surgery. Further studies will help to improve the management of antiaggregatory therapy in such challenging clinical situations.
AuthorsS Meyer
JournalTherapeutische Umschau. Revue therapeutique (Ther Umsch) Vol. 69 Issue 11 Pg. 631-3 (Nov 2012) ISSN: 0040-5930 [Print] Switzerland
Vernacular TitleThrombozytenhemmung im klinischen Alltag.
PMID23117665 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Platelet Aggregation Inhibitors
  • Platelet Glycoprotein GPIIb-IIIa Complex
  • Clopidogrel
  • Ticlopidine
  • Aspirin
Topics
  • Aged
  • Angioplasty, Balloon, Coronary
  • Arterial Occlusive Diseases (blood, drug therapy)
  • Aspirin (adverse effects, therapeutic use)
  • Cerebral Infarction (blood, drug therapy)
  • Clopidogrel
  • Coronary Artery Bypass
  • Drug Interactions
  • Drug Resistance
  • Drug Therapy, Combination
  • Hemorrhage (blood, chemically induced)
  • Humans
  • Male
  • Middle Aged
  • Myocardial Infarction (blood, drug therapy)
  • Patient Compliance
  • Platelet Aggregation Inhibitors (adverse effects, therapeutic use)
  • Platelet Glycoprotein GPIIb-IIIa Complex (antagonists & inhibitors)
  • Platelet Transfusion
  • Risk Factors
  • Thrombosis (blood, drug therapy)
  • Ticlopidine (adverse effects, analogs & derivatives, therapeutic use)

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