I loko o ka puʻuwai ola a i ʻole ke kīʻaha koko, hoʻopili a hoʻopaʻa paha kekahi mau ʻāpana o ke koko e hana i kahi puʻu paʻa, i kapa ʻia ʻo thrombosis. ʻO ka puʻu paʻa e hana ʻia ua kapa ʻia ʻo thrombus.
Ma lalo o nā kūlana maʻamau, aia ka ʻōnaehana coagulation a me ka ʻōnaehana anticoagulation (ʻōnaehana fibrinolysis, a i ʻole ka ʻōnaehana fibrinolysis no ka pōkole) i loko o ke koko, a mālama ʻia kahi kaulike ikaika ma waena o nā mea ʻelua, i mea e hōʻoia ai e kaʻapuni ke koko i loko o ka ʻōnaehana cardiovascular i kahi kūlana wai.
Hoʻoulu mau ʻia nā mea hoʻohuihui koko i loko o ke koko, a hana ʻia kahi liʻiliʻi o ka thrombin e hana i kahi liʻiliʻi o ka fibrin, kahi i waiho ʻia ma ka intima o ke kīʻaha koko, a laila hoʻoheheʻe ʻia e ka ʻōnaehana fibrinolytic i hoʻoulu ʻia. I ka manawa like, hoʻopau mau ʻia a hoʻomaʻemaʻe ʻia nā mea hoʻohuihui koko i hoʻoulu ʻia e ka ʻōnaehana mononuclear macrophage.
Eia nō naʻe, ma lalo o nā kūlana pathological, ua hoʻopilikia ʻia ke kaulike ma waena o ka coagulation a me ka anticoagulation, ʻoi aku ka nui o ka hana o ka ʻōnaehana coagulation, a hoʻopili ke koko i loko o ka ʻōnaehana cardiovascular e hana i nā thrombus.
ʻO ka maʻamau, ʻekolu mau kūlana o ka Thrombosis:
1. Ka hōʻeha ʻana o ka puʻuwai a me ke kīʻaha koko
Ua paʻa a laumania ka intima o ka puʻuwai maʻamau a me nā kīʻaha koko, a hiki i nā pūnaewele endothelial paʻa ke kāohi i ka hoʻopili ʻana o ka platelet a me ka anticoagulation. Ke hōʻino ʻia ka membrane o loko, hiki ke hoʻāla ʻia ka ʻōnaehana coagulation ma nā ʻano he nui.
Hoʻokuʻu ka intima mua i hōʻino ʻia i ka factor coagulation tissue (coagulation factor III), ka mea e hoʻoulu ai i ka ʻōnaehana coagulation extrinsic.
ʻO ka lua, ma hope o ka hōʻino ʻia ʻana o ka intima, e loli ana nā cell endothelial, necrosis, a me ka hoʻokahe ʻana, e hōʻike ana i nā olonā collagen ma lalo o ka endothelium, a laila e hoʻoulu ai i ka coagulation factor XII o ka ʻōnaehana coagulation endogenous a hoʻomaka i ka ʻōnaehana coagulation endogenous. Eia kekahi, lilo ka intima i ʻinoʻino, kahi e kūpono ai i ka waiho ʻana o ka platelet a me ka hoʻopili ʻana. Ma hope o ka haki ʻana o nā platelets i hoʻopili ʻia, hoʻokuʻu ʻia nā ʻano platelet like ʻole, a hoʻoulu ʻia ke kaʻina hana coagulation holoʻokoʻa, e hoʻoulu ai i ke koko e coagulate a hana i kahi thrombus.
Hiki i nā ʻano kino, kemika a me nā mea olaola like ʻole ke hōʻino i ka intima cardiovascular, e like me ka endocarditis i loko o ka puaʻa erysipelas, pulmonary vasculitis i loko o ka pneumonia bovine, equine parasitic arteritis, nā inikini pinepine ʻia ma ka ʻāpana like o ke aʻa, ka ʻeha a me ke hou ʻana o ka paia o ke kīʻaha koko i ka wā o ke ʻoki ʻana.
2. Nā loli i ke kūlana o ke kahe koko
ʻO ke kumu nui, ʻo ia ka lohi o ke kahe koko, ka hoʻokumu ʻana o ka vortex a me ka pau ʻana o ke kahe koko.
Ma lalo o nā kūlana maʻamau, wikiwiki ke kahe ʻana o ke koko, a ua hoʻopaʻa ʻia nā hunaola koko ʻulaʻula, nā platelets a me nā ʻāpana ʻē aʻe ma waenakonu o ke kīʻaha koko, i kapa ʻia ʻo ke kahe axial; i ka wā e lohi ai ke kahe ʻana o ke koko, e kahe nā hunaola koko ʻulaʻula a me nā platelets kokoke i ka paia o ke kīʻaha koko, i kapa ʻia ʻo ke kahe ʻaoʻao, kahi e hoʻonui ai i ka thrombosis. pilikia e kū mai ana.
Ua lohi ke kahe o ke koko, a ua hypoxia loa nā cell endothelial, e hana ana i ka degeneration a me ka necrosis o nā cell endothelial, ka nalowale o kā lākou hana o ka synthesizing a me ka hoʻokuʻu ʻana i nā mea anticoagulant, a me ka hōʻike ʻana o ka collagen, ka mea e hoʻoulu ai i ka ʻōnaehana coagulation a paipai i ka thrombosis.
Hiki i ke kahe koko lohi ke maʻalahi i ka hoʻopaʻa ʻana i ka thrombus i hana ʻia ma ka paia o ke kīʻaha koko a hoʻomau i ka hoʻonui ʻana.
No laila, ʻike pinepine ʻia ka thrombus i loko o nā aa koko me ke kahe koko lohi a me ka maʻalahi i nā kahe eddy (ma nā valves venous). He wikiwiki ke kahe koko aortic, a ʻike pinepine ʻole ʻia ka thrombus. Wahi a nā helu helu, ʻo ka hanana o ka venous thrombosis he 4 mau manawa ʻoi aku ma mua o ka thrombosis arterial, a ʻike pinepine ʻia ka venous thrombosis i ka hāʻule ʻana o ka puʻuwai, ma hope o ke ʻoki ʻana a i ʻole i nā holoholona maʻi e moe ana i loko o ka pūnana no ka manawa lōʻihi.
No laila, he mea nui loa ke kōkua ʻana i nā holoholona maʻi i moe lōʻihi a ma hope o ke ʻoki ʻana e hana i kekahi mau hana kūpono e pale aku ai i ka thrombosis
3. Nā loli i nā ʻano koko.
ʻO ke kumu nui, ʻo ia ka hoʻonui ʻia ʻana o ke koko coagulation. E like me ke kuni nui ʻana, ka dehydration, a me nā mea ʻē aʻe, e hoʻohui i ke koko, ka trauma koʻikoʻi, ka postpartum, a me ka nalowale nui o ke koko ma hope o nā hana nui, hiki ke hoʻonui i ka helu o nā platelets i loko o ke koko, hoʻonui i ka viscosity o ke koko, a hoʻonui i ka nui o ka fibrinogen, thrombin a me nā mea coagulation ʻē aʻe i loko o ka plasma. Hiki i kēia mau mea ke hoʻoulu i ka thrombosis.
Hōʻuluʻulu manaʻo
Hoʻohui pinepine ʻia nā kumu ʻekolu i luna i ke kaʻina hana o ka thrombosis a hoʻopili kekahi i kekahi, akā he kuleana koʻikoʻi kekahi kumu i nā pae like ʻole o ka thrombosis.
No laila, i ka hana lapaʻau, hiki ke pale aku i ka thrombosis ma ka hopu pono ʻana i nā kūlana o ka thrombosis a me ka lawe ʻana i nā hana kūpono e like me ke kūlana maoli. E like me ke kaʻina hana ʻoki kino e pono e makaʻala i ka hana mālie, pono e hoʻāʻo e pale i ka hōʻino ʻana i nā kīʻaha koko. No ka hoʻokomo ʻana i loko o ke koko no ka manawa lōʻihi, e pale i ka hoʻohana ʻana i ka wahi like, a pēlā aku.
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