Abantu abaningi bacabanga ukuthi amahlule egazi ayinto embi.
I-cerebral thrombosis kanye ne-myocardial infarction kungabangela isifo sohlangothi, ukukhubazeka noma ngisho nokufa ngokuzumayo kumuntu ophilayo.
Ngempela?
Eqinisweni, i-thrombus iyindlela evamile yokujiya kwegazi emzimbeni womuntu. Uma ingekho i-thrombus, abantu abaningi bazofa ngenxa "yokulahlekelwa igazi ngokweqile".
Ngamunye wethu ulimele futhi wopha igazi, njengokusikeka okuncane emzimbeni, okuzophuma igazi ngokushesha. Kodwa umzimba womuntu uzozivikela. Ukuze kuvinjelwe ukuphuma kwegazi kuze kube sekufeni, igazi lizoqina kancane kancane endaweni yokopha igazi, okungukuthi, igazi lizokwakha i-thrombus emthanjeni wegazi owonakele. Ngale ndlela, ngeke kusaba khona ukopha.
Uma ukuphuma kwegazi kuphela, umzimba wethu uzoncibilikisa kancane kancane i-thrombus, okuvumela igazi ukuthi liphinde lijikeleze.
Indlela ekhiqiza i-thrombus ibizwa ngokuthi uhlelo lokujiya kwegazi; indlela esusa i-thrombus ibizwa ngokuthi uhlelo lwe-fibrinolytic. Uma umthambo wegazi wonakele emzimbeni womuntu, uhlelo lokujiya kwegazi luvuselelwa ngokushesha ukuze kuvinjelwe ukopha okuqhubekayo; uma kwenzeka i-thrombus, uhlelo lwe-fibrinolytic olususa i-thrombus luzovuselelwa ukuze kuncibilikiswe ihlule legazi.
Lezi zinhlelo ezimbili zilinganiswe ngendlela eguquguqukayo, okuqinisekisa ukuthi igazi alijiyi futhi aliphumi kakhulu.
Kodwa-ke, izifo eziningi zizoholela ekusebenzeni okungajwayelekile kohlelo lokujiya kwegazi, kanye nomonakalo ku-intima yemithambo yegazi, futhi ukuqina kwegazi kuzokwenza uhlelo lwe-fibrinolytic lube sekwephuzile kakhulu noma lunganele ukuncibilikisa i-thrombus.
Isibonelo, ekushayweni kwenhliziyo okubukhali, kuba ne-thrombosis emithanjeni yegazi yenhliziyo. Isimo semithambo yegazi sibi kakhulu, kunezinhlobo ezahlukene zomonakalo oseduze, futhi kukhona i-stenosis, ehambisana nokuma kokugeleza kwegazi, ayikho indlela yokuncibilikisa i-thrombus, futhi i-thrombus izokhula ibe nkulu kakhulu.
Isibonelo, kubantu abalele embhedeni isikhathi eside, ukugeleza kwegazi lendawo emilenzeni kuhamba kancane, i-intima yemithambo yegazi yonakele, bese kwakheka i-thrombus. I-thrombus izoqhubeka nokuncibilika, kodwa ijubane lokuncibilika alisheshi ngokwanele, ingase iwe, ibuye ingene emthanjeni wamaphaphu ohlelweni lwegazi, ibhajwe emthanjeni wamaphaphu, futhi ibangele i-pulmonary embolism, okuyinto ebulalayo.
Ngalesi sikhathi, ukuze kuqinisekiswe ukuphepha kweziguli, kuyadingeka ukwenza i-thrombolysis ngokwenziwa kanye nokufaka imithi esetshenziselwa ukukhuthaza i-thrombolysis, njenge-"urokinase". Kodwa-ke, i-thrombolysis ngokuvamile idinga ukwenziwa esikhathini esifushane se-thrombosis, njengaphakathi kwamahora ayi-6. Uma kuthatha isikhathi eside, ngeke incibilike. Uma wandisa ukusetshenziswa kwemithi ye-thrombolytic ngalesi sikhathi, kungabangela ukopha kwezinye izingxenye zomzimba.
I-thrombus ayikwazi ukuncibilika. Uma ingavimbekile ngokuphelele, "i-stent" ingasetshenziswa "ukudonsa" umthambo wegazi ovimbekile ukuqinisekisa ukuhamba kwegazi okubushelelezi.
Kodwa-ke, uma umthambo wegazi uvalekile isikhathi eside, kuzobangela i-ischemic necrosis yezakhiwo ezibalulekile zezicubu. Ngalesi sikhathi, "ngokudlula" eminye imithambo yegazi kuphela okungenziwa "ukunisela" lesi sicubu esilahlekelwe yigazi laso.
Ukopha kanye nokujiya, i-thrombosis kanye ne-thrombolysis, yibhalansi ebucayi egcina imisebenzi yomzimba yokugaya ukudla. Akukhona lokho kuphela, kunezilinganiso eziningi ezihlakaniphile emzimbeni womuntu, njenge-sympathetic nerve kanye ne-vagus nerve, ukuze kugcinwe ukujabula kwabantu ngaphandle kokujabula kakhulu; i-insulin ne-glucagon kulawula ibhalansi kashukela egazini labantu; i-calcitonin kanye ne-parathyroid hormone kulawula ibhalansi ye-calcium egazini labantu.
Uma ibhalansi ingasalingani, kuzovela izifo ezahlukahlukene. Izifo eziningi emzimbeni womuntu zibangelwa ukulahlekelwa ibhalansi.
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