Ka wehewehe ʻana o ka scintigraphy puʻuwai

Ka wehewehe ʻana o ka scintigraphy puʻuwai

La ʻimi naʻau, a scintigraphy myocardial, a hoʻāʻo kiʻi e ʻae ai e nānā i ka ka maikaʻi o ka hoʻouwai naʻau by nā aa kala korona.

Ke hele maikaʻi ʻole ke kahe o ke koko i loko o kēia mau aʻa, e like me ke ālai ʻia a i ʻole kahaʻī ʻia, ʻaʻole loaʻa ka oxygen i ka puʻuwai puʻuwai (ka myocardium). Ke alakaʻi nei kēia i nā ʻano hōʻailona koʻikoʻi paha: ʻeha o ka umauma, pōkole o ka hanu, a i ʻole ka hōʻeha puʻuwai (ʻo kēia kalawa ʻole coronary).

ʻO Scintigraphy kahi ʻano kiʻina kiʻi e pili ana i ka lawelawe ʻana i ka mea maʻi i kahi tracer radioactive, i hohola ʻia i loko o ke kino a i ʻole nā ​​ʻokena e nānā ʻia. No laila, ʻo ka mea hoʻomanawanui nāna e "hoʻokuʻu" i ka pāhawewe e lawe ʻia e ka hāmeʻa (ʻokoʻa ka radiography, kahi e hoʻokuʻu ʻia ai ka radiation e ka hāmeʻa). Hiki i ka scintigraphy ke nānā i ka hana o nā meaola (ʻaʻole wale i kā lākou morphology).

 

No ke aha e nānā ai kahi myocardial scan?

Hoʻohana ʻia kēia hōʻike no ke kuhi o ka maʻi coronary artery.

I kēia pōʻaiapili, ua like ia me ka echocardiography hoʻoikaika kino (ultrasound cardiac).

ʻAe ʻia e:

  • hāʻawi i nā ʻōkuhi i ke kauka e pili ana i ka hana o ka puʻuwai, kona hiki ke pauma a kipaku paha i ke koko
  • e hana i kahi nānā olakino naʻau ma hope o myocardial infarction e nānā i nā wahi oischemia(i hoʻonele ʻia o ka oxygen) a i ʻole e ʻimi i kēia mau wahi ke kānalua ʻia ʻoangina orKuʻi Kīʻole
  • Loiloi i ka makaʻu o nā pilikia puʻuwai e hiki mai ana, e laʻa me ka ma mua o ke kaha ʻana, keu hoʻi i ka poʻe me nā mea pilikia (diabetes, hypertension, ulaula, a pēlā aku) a ʻaʻole hiki ke hana i kahi hoʻoikaika kino EKG

E hoʻomaopopo he hiki ke hana ʻia i kekahi ʻano o nā scintigraphies puʻuwai i ka manawa o ka loiloi cardiological:

  • myocardial perfusion scintigraphy
  • Isotope ventriculography a i ʻole synicised angiocardioscintigraphy (MUGA), e hāʻawi ana i ka ʻike hou aku e pili ana i ka hopena o ka naʻau a me ka pauma ʻana.

Ka hoʻāʻo

La myocardial perfusion scintigraphy hana ʻia ma hope o ka hoʻāʻo ʻana. ʻOiai, ʻo ka lawa ʻole o ka lako o ke koko i ka hanana o nā pilikia ma ka pae o nā coronaries ke ʻike ʻia i ka wā o ka hoʻāʻo.

Hoʻopiʻi ʻia i nā wahine hāpai a hānai paha. ʻAʻole pono ka hoʻokē ʻai, akā hiki paha iā ʻoe ke ʻōlelo ʻia mai hoʻopau ʻole i nā mea hoʻonāukiuki (kope, tī, a pēlā aku) i ka lā o ka hoʻokolokolo.

ʻO ka maʻamau, e noi ʻia ʻoe e hana i kahi kaʻa paikikala a i ʻole treadmill ma mua, ma lalo o ka nānā ʻana a ka mea maʻi maʻi maʻi. Inā hōʻahewa ʻia kēia hōʻike, e hoʻopili kāu kauka iā ʻoe me ka lāʻau e hoʻoulu ai i ka puʻuwai me he mea lā e hoʻomaʻamaʻa ana ʻoe (dipyridamole, adenosine, dobutamine).

I ka wā a ma hope koke paha o ka hoʻāʻo ʻana, hoʻokomo ʻia kahi huahana radioactive nāwaliwali (radiotracer) i kahi aa i loko o ka forearm, e pili pono ana i ka pae o ka puʻuwai.

Ma hope koke o ka hoʻāʻo ʻana, a laila ma ke kaʻina hoʻōla 15 a 30 mau minuke ma hope o ke kuikui ʻana o ka radiotracer, e noi ʻia ʻoe e moe i lalo i ka papa hōʻike, ma lalo o kahi kāmela kūikawā (scintillation camera) e ʻae ai iā ʻoe e ʻike i ka pāhawewe i hoʻopuka ʻia e ka puʻuwai.

Kaukaʻi ʻia i nā hopena mua i loaʻa, hiki iā mākou ke kiʻi i nā kiʻi hou 3 a 4 mau hola ma hope o ka hoʻokolokolo mua, i ka hoʻomaha.

 

He aha nā hopena e hiki iā mākou ke kali mai kahi scanʻi naʻau?

Hiki i ka scintigraphy ke hōʻike i nā mea kūpono ʻole i ke koko i ka puʻuwai, akā e nānā pū hoʻi i kāna hana, i ka wā o ka hoʻāʻo.

Kaukaʻi ʻia i nā hopena, e hōʻike ka cardiologist i ka lapaʻau kūpono a me ka ukali ʻana e kaupalena ai i nā pilikia o ka naʻau.

Kauoha ʻia paha nā hoʻokolokolo ʻē aʻe.

Heluhelu pū kekahi:

ʻO nā mea āpau e pili ana i ka infarction myocardial


 

 

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