an abnormal drop in the number of blood cells involved in forming blood clots
persistent decrease in the number of blood platelets that is often associated with hemorrhagic conditions
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This causes bleeding into the tissues, bruising, and slow blood clotting after injury.
Normal platelet counts are between 150,000 and 400,000 per cubic millimetre. When the platelet count drops to 50,000 to 75,000 per cubic millimetre, and particularly to 10,000 to 20,000 per cubic millimetre, spontaneous bleeding may occur.
Haigekassa võtab koodiga 319R tähistatud ravimiteenuse eest tasu maksmise kohustuse üle idiopaatilise trombotsütopeenilise purpuraga patsiendilt, kelle suukaudne ravi (kortikosteroidi, immuunsupressandiga) on osutunud ebaefektiivseks või on vastunäidustatud, splenektoomia on osutunud ebaefektiivseks või on vastunäidustatud (splenektoomia ettevalmistamiseks, kui intravenoosne immunoglobuliin ei ole piisavalt tõhus) ning esineb trombotsütopeenia < 20000/μl ja veritsus.
Thrombocytopenia is associated with blood diseases such as aplastic anemia and leukemia ... Thrombocytopenia also may accompany certain infections such as measles and autoimmune disorders such as systemic lupus erythematosus and idiopathic thrombocytopenic purpura.
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Origin: 1920s from thrombocyte + Greek penia ‘poverty’
