Resumo

SUAREZ-GONZALEZ, Adalberto; LINARES-MORERA, Anmy  e  GARCIA-RODRIGUEZ, Maylan. Study of thrombophilia by the clinical laboratory. Rev.Med.Electrón. [online]. 2024, vol.46  Epub 21-Abr-2024. ISSN 1684-1824.

Thrombophilia is defined as an individual predisposition to suffer thromboembolic episodes. Due to high and growing incidence both worldwide and in Cuba of cardiovascular, cerebrovascular and peripheral vascular events whose pathogenesis involves thrombophilia, it becomes necessary an update of the usefulness of clinical laboratory tests used for their study. The review aims to update information on indication and interpretation of clinical laboratory tests useful in the study of thrombophilia. Searches were carried out in the databases PubMed, SciELO, LILACS and ClinicalKey with key words thrombophilia and clinical laboratory, in English and Spanish, the search reveled 120 articles, of which 27 were novel and relevant to the topic. Thrombophilic status should be investigated in any patient who presents venous thrombosis before the age of 45-recurrent or in unusual sites-unexplained neonatal thrombosis, coumarin skin necrosis, resistance to anticoagulant, arterial thrombosis before the age of 30, thrombophilic familiar history, recurrent pregnancy loss, thrombotic thrombocytopenic purpura or systemic lupus erythematosus. Initial tests should be: complete blood count, observation of colored smear of peripheral blood, and activated partial of thromboplastin time. More specific tests will include the genetic study of factor V Leiden, tests to detect antithrombin, protein C or protein S deficiencies; DNA analysis for the G20210A allele of prothrombin, factor VIII and homocysteine measurement, and detection of lupus anticoagulant, anti-β2-glycoprotein I and anticardiolipin antibodies.

Palavras-chave : thrombophilia; clinical laboratory.

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