Ntev npaum li cas aspirin inhibit platelet aggregation?
Ntev npaum li cas aspirin inhibit platelet aggregation?

Video: Ntev npaum li cas aspirin inhibit platelet aggregation?

Video: Ntev npaum li cas aspirin inhibit platelet aggregation?
Video: Platelet Adhesion and Aggregation 2024, Lub Xya hli ntuj
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Vim platelets tsis tuaj yeem tsim COX tshiab, cov txiaj ntsig ntawm tshuaj aspirin kawg rau lub sijhawm ntawm lub neej ntawm platelet [10 hnub]. Tom qab ib koob tshuaj ntawm tshuaj aspirin , platelet COX kev ua haujlwm rov zoo li 10% nyob rau ib hnub ua ke nrog platelet kev hloov pauv.

Ua kom pom qhov no, puas yog tshuaj aspirin inhibit platelet aggregation?

Platelet sib sau ua ke inhibitors ua hauj lwm nyob rau hauv ntau qhov chaw ntawm lub clotting cascade thiab tiv thaiv platelet adhesion, yog li ntawd tsis muaj cov txheej txheem khov. Tshuaj aspirin , feem ntau siv tshuaj antiplatelet hloov qhov sib npaug ntawm prostacyclin (uas inhibits platelet sib sau ua ke ) thiab thromboxane (uas txhawb nqa kev sib sau ua ke ).

Ib sab saum toj no, pes tsawg tus tshuaj aspirin txo qis platelets? Siv lub ntsuas hluav taws xob ntsuas seb zoo li cas platelets lo ua ke, kev tshawb fawb pom tias hauv tshuaj aspirin -kho txiv neej, ua pob txo ua 15,1ohm. Cov txo yog txheeb cais tib yam hauv tshuaj aspirin -kho poj niam, ntawm 17.3 ohms.

Kuj Paub, Ntev npaum li cas cov tshuaj aspirin cuam tshuam rau ntshav txhaws?

Txawm tias lawv ntshav tseem yuav coagulate ib txwm, lawv cov platelets ua tsis lo ua ke zoo, thiab lawv tuaj yeem tso ntshav me ntsis ntxiv los ntawm kev txiav lossis khawb ntau dua li ib txwm. Nws yuav siv sij hawm 10 hnub tag nrho cov tshuaj aspirin teebmeem los hnav tom qab tus neeg tsis noj nws.

Puas yog aspirin nce lub sijhawm prothrombin?

Txoj kev nyiam inhibit thrombus tsim tau tshwm sim tsis cuam tshuam rau kev cuam tshuam ntawm platelets tab sis cuam tshuam nrog kev ncua ntev ntawm ib-theem. lub sijhawm prothrombin thiab nce tag nrho cov ntshav fibrinolytic kev ua haujlwm; doses ntawm tshuaj aspirin uas txwv tsis pub platelet sib sau ua ke rau sodium arachidonate lossis collagen, thiab

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