[Thrombocyte aggregation and serum thromboxane B2 in patients with unstable angina pectoris treated with diltiazem or verapamil]. 1992

F Lyck, and L Holmvang, and A M Grauholt, and P Grande
Medicinsk afdeling B, Rigshospitalet, København.

Patients with unstable angina pectoris have increased thrombocyte aggregation and disturbances in serum prostaglandin balance. As a pilot project, we conducted a single-blind investigation of 24 patients with unstable angina pectoris treated with dilthiazem (n = 12, 240-360 mg) or verapamil (n = 12, 240-360 mg) for ten days. At the commencement of the investigation, both patient groups had hyperaggregating thrombocytes and increased serum-thromboxan-B2 (TXB2) as compared to healthy individuals (p < 0.01). In the patient group treated with dilthiazem, the aggregation threshold rose (p < 0.01), and the serum TXB2 values fell to approximately normal (p < 0.05). In the patient group treated with verapamil, no significant changes were observed in the measurements registered. The difference between the two groups remained significant during the entire therapeutic period (p < 0.01). Thus, dilthiazem appears to counteract thrombocyte aggregation in patients with unstable angina pectoris.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010865 Pilot Projects Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work. Pilot Studies,Pilot Study,Pilot Project,Project, Pilot,Projects, Pilot,Studies, Pilot,Study, Pilot
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
D010975 Platelet Aggregation Inhibitors Drugs or agents which antagonize or impair any mechanism leading to blood platelet aggregation, whether during the phases of activation and shape change or following the dense-granule release reaction and stimulation of the prostaglandin-thromboxane system. Antiaggregants, Platelet,Antiplatelet Agent,Antiplatelet Agents,Antiplatelet Drug,Blood Platelet Aggregation Inhibitor,Blood Platelet Antagonist,Blood Platelet Antiaggregant,PAR-1 Antagonists,Platelet Aggregation Inhibitor,Platelet Antagonist,Platelet Antagonists,Platelet Antiaggregant,Platelet Antiaggregants,Platelet Inhibitor,Protease-Activated Receptor-1 Antagonists,Antiplatelet Drugs,Blood Platelet Aggregation Inhibitors,Blood Platelet Antagonists,Blood Platelet Antiaggregants,Platelet Inhibitors,Agent, Antiplatelet,Aggregation Inhibitor, Platelet,Antagonist, Blood Platelet,Antagonist, Platelet,Antiaggregant, Blood Platelet,Antiaggregant, Platelet,Drug, Antiplatelet,Inhibitor, Platelet,Inhibitor, Platelet Aggregation,PAR 1 Antagonists,Platelet Antagonist, Blood,Platelet Antiaggregant, Blood,Protease Activated Receptor 1 Antagonists
D004110 Diltiazem A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIUM ion on membrane functions. Aldizem,CRD-401,Cardil,Cardizem,Dilacor,Dilacor XR,Dilren,Diltiazem Hydrochloride,Diltiazem Malate,Dilzem,Tiazac,CRD 401,CRD401
D004341 Drug Evaluation Any process by which toxicity, metabolism, absorption, elimination, preferred route of administration, safe dosage range, etc., for a drug or group of drugs is determined through clinical assessment in humans or veterinary animals. Evaluation Studies, Drug,Drug Evaluation Studies,Drug Evaluation Study,Drug Evaluations,Evaluation Study, Drug,Evaluation, Drug,Evaluations, Drug,Studies, Drug Evaluation,Study, Drug Evaluation
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000789 Angina, Unstable Precordial pain at rest, which may precede a MYOCARDIAL INFARCTION. Angina at Rest,Angina, Preinfarction,Myocardial Preinfarction Syndrome,Angina Pectoris, Unstable,Unstable Angina,Angina Pectori, Unstable,Anginas, Preinfarction,Anginas, Unstable,Myocardial Preinfarction Syndromes,Preinfarction Angina,Preinfarction Anginas,Preinfarction Syndrome, Myocardial,Preinfarction Syndromes, Myocardial,Syndrome, Myocardial Preinfarction,Syndromes, Myocardial Preinfarction,Unstable Angina Pectori,Unstable Angina Pectoris,Unstable Anginas

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