Txawm li cas los xij, cuam tshuam ntawm kev haus luam yeeb ntawm qhov ntau ntawm cov platelets tej zaum yuav yog lwm qhov ua rau. Hauv kev tshawb fawb hauv cov neeg Ixayees, ob qho tib si thrombocy-topenia thiab thrombocytosis tau pom hauv cov neeg haus luam yeeb piv rau cov neeg tsis haus luam yeeb (4).
Kev haus luam yeeb ua rau cov platelets nce?
Muaj ntau lub tswv yim los ntawm kev haus luam yeeb tuaj yeem ua rau platelet thrombus tsim. Nicotine, ncaj qha lossis tsis ncaj los ntawm kev tso tawm ntawm endogenous epinephrine, tau pom tias ua kom platelet aggregation.
Dab tsi yog qhov ua rau thrombocytosis ntau tshaj?
Qhov tseem ceeb thrombocythemia (ET) yog qhov ua rau thawj thrombocytosis. Ntawm cov theem nrab, tsis muaj kab mob etiologies, cov ntaub so ntswg puas yog feem ntau, ua raws li malignancy thiab iron-deficiency anemia. Cov kab mob ntau tshaj plaws ntawm thrombocytosis yog cov nqaij mos, pulmonary thiab GI kab mob.
Puas nicotine cuam tshuam rau platelets?
Hauv cov neeg tsis haus luam yeeb, tsuas yog cov nicotine siab heev(10 mM) ua rau platelet aggregation hauv platelet-nplua nuj plasma thiab tso tawm 5-hydroxytryptamine (5-HT). Ob qho lus teb rau ADP thiab 5-HT tau txhim kho ntawm 1 thiab 10 mM nicotine thaum lawv tau inhibited rau collagen, ristocetin, adrenaline thiab arachidonic acid.
Puas nicotine nce platelet adhesiveness?
A me me tab sis kev txheeb xyuas qhov tseem ceeb hauv platelet suav, nyob rau hauv tus naj npawb ntawm "adhesive platelets" thiab feem pua ntawm "cov nplaum nplaum" tau pom hauv cov neeg haus luam yeeb piv nrog cov neeg tsis haus luam yeeb., qhov tseem ceeb tshaj plaws tau pom nyob rau hauv cov neeg haus luam yeeb hnyav tshaj plaws thiab rov ua dua.
