I-Thrombosis inqubo lapho igazi eligelezayo lihlangana khona bese liphenduka ihlule legazi, njenge-cerebral artery thrombosis (ebangela i-cerebral infarction), i-deep vein thrombosis yezingxenye ezingezansi, njll. Ihlule legazi elenziwe liyi-thrombus; ihlule legazi elakhiwe engxenyeni ethile yomthambo wegazi lihamba ngegazi bese livalelwa komunye umthambo wegazi. Inqubo ye-embolization ibizwa ngokuthi i-embolism. I-deep vein thrombosis yezingxenye ezingezansi iyawa, ihambe, bese ivalelwa emthambo we-pulmonary bese ibangela i-pulmonary embolism. ; Ihlule legazi elibangela i-embolism libizwa ngokuthi i-embolus ngalesi sikhathi.
Empilweni yansuku zonke, ihlule legazi liyaphuma ngemva kokumiswa kokuphuma kwegazi ekhaleni; lapho kulimala khona inxeba, ngezinye izikhathi kungazwakala iqhubu, elibuye libe yi-thrombus; kanti i-myocardial infarction ibangelwa ukuphazamiseka kokugeleza kwegazi lapho umthambo wenhliziyo ongaphakathi enhliziyweni uvinjelwa yiqhubu legazi. I-Ischemic necrosis ye-myocardium.
Ngaphansi kwezimo zomzimba, indima ye-thrombosis ukumisa ukopha. Ukulungiswa kwanoma yiziphi izicubu nezitho zomzimba kumele kuqale kumise ukopha. I-Hemophilia i-coagulopathy ebangelwa ukuntuleka kwezinto ezijiyile. Kunzima ukwakha i-thrombus engxenyeni elimele futhi ayikwazi ukuvimba ukopha ngempumelelo futhi ibangele ukopha. I-thrombosis eningi ye-hemostatic iyakheka futhi ikhona ngaphandle komthambo wegazi noma lapho umthambo wegazi uphukile khona.
Uma kwenzeka ihlule legazi emthanjeni wegazi, ukugeleza kwegazi emthanjeni wegazi kuyavinjelwa, ukugeleza kwegazi kuyancipha, noma ngisho nokugeleza kwegazi kuyaphazamiseka. Uma kwenzeka i-thrombosis emithanjeni yegazi, kuzobangela ischemia yezitho/izicubu kanye ne-necrosis, njenge-myocardial infarction, i-cerebral infarction, kanye ne-necrosis/amputation engezansi. I-thrombus eyakheka emithanjeni ejulile yezingxenye ezingezansi ayithinti nje kuphela ukugeleza kwegazi lemithambo yegazi enhliziyweni futhi ibangele ukuvuvukala kwezingxenye ezingezansi, kodwa futhi iwela nge-inferior vena cava, i-atrium yangakwesokudla kanye ne-ventricle yangakwesokudla ukuze ingene futhi ivalelwe emthanjeni wamaphaphu, okuholela ekushayweni kwegazi emaphaphu. Izifo ezinezinga eliphezulu lokufa.
Ukuqaliswa kwe-Thrombosis
Ezimweni eziningi, isixhumanisi sokuqala se-thrombosis ukulimala, okungaba ukulimala, ukuhlinzwa, ukuqhuma kwe-plaque emithanjeni yegazi, noma ngisho nomonakalo we-endothelial obangelwa ukutheleleka, ukuzivikela komzimba nezinye izici. Le nqubo yokwakheka kwe-thrombus eqalwa ukulimala ibizwa ngokuthi uhlelo lokujiya kwangaphandle. Ezimweni ezimbalwa, ukuqina kwegazi noma ukwehla kokugeleza kwegazi nakho kungaqalisa inqubo ye-thrombosis, okuyindlela yokusebenza kokuxhumana, ebizwa ngokuthi uhlelo lokujiya kwangaphakathi.
I-hemostasis eyinhloko
Uma ukulimala kuthinta imithambo yegazi, ama-platelet aqala anamathele ukuze akhe ungqimba olulodwa ukuze amboze inxeba, bese evuselelwa ukuze ahlangane akhe ama-clumps, okuyi-platelet thrombi. Yonke inqubo ibizwa ngokuthi i-primary hemostasis.
I-hemostasis yesibili
Ukulimala kukhipha into ejiyile ebizwa ngokuthi i-tissue factor, eqala uhlelo lwe-endogen coagulation ukuze ikhiqize i-thrombin ngemva kokungena egazini. I-Thrombin empeleni iyi-catalyst eguqula iphrotheni yokujiyile egazini, okungukuthi, i-fibrinogen ibe yi-fibrin. , Yonke inqubo ibizwa ngokuthi i-secondary hemostasis.
"Ukuxhumana Okuphelele"I-Thrombosis
Enkambisweni ye-thrombosis, isigaba sokuqala se-hemostasis (ukunamathela kweplatelet, ukusebenza kanye nokuhlangana) kanye nesigaba sesibili se-hemostasis (ukukhiqizwa kwe-thrombin kanye nokwakheka kwe-fibrin) ziyasebenzisana. I-hemostasis yesigaba sesibili ingenziwa kuphela ngokujwayelekile lapho kukhona ama-platelet, futhi i-thrombin eyakhiwe ivuselela ama-platelet. Lawa amabili asebenza ndawonye futhi asebenza ndawonye ukuze kuqedwe inqubo ye-thrombosis..
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