Ike igosi ihe di iche iche bu ot'ue si ekpofu oxygen na carbon dioxide weghaga n'agbata ume na ọbara.
Oxygen na carbon dioxide abụọ dị mkpa ka ha gafee akwa oyi akwa n'ime ngụgụ a na-akpọ akpụkpọ ahụ alveolar-capillary. Nke a bụ oyi akwa n'etiti obere obere akpa n'ime oke ( alveoli ) na obere arịa ọbara ndị na-agafe na ngụgụ ( capillaries ).
Kedu ka ikuku oxygen nke a na-esi emeta nwere ike isi gafere site na alveoli n'ime ọbara, na otú carbon dioxide nwere ike isi site na capillaries ọbara wee banye na alveoli ma gbaa ya ume, dabere na oke akpụkpọ ahụ a bụ, na ókè mpaghara dị maka nnyefe a ga - ewere ọnọdụ.
Kedu ihe ike nwere ike ịpụta?
E nwere ụzọ abụọ dị iche iche nke nwere ike ibelata ikike nwere ike belata.
- Ike igosipụta ihe nwere ike ịdị ala ma ọ bụrụ na ọrịa ọnya dị ugbu a nke na-eme ka akpụkpọ ahụ dịkwuo oke, dịka ọmụmaatụ, na ọrịa ndị dị ka mgbọrọgwụ fibrosis na sarcoidosis .
- Ike ikpughe ihe nwere ike ghara ịdị ala ma ọ bụrụ na enweghi ebe dị elu maka ịnyefe oxygen na carbon dioxide, dịka ọmụmaatụ, na emphysema ma ọ bụ ma ọ bụrụ na e wepụsịrị ọkụ ma ọ bụ akụkụ nke anụhịa maka kansa cancer .
Kedu ka e si akọwa ike ike?
A na - emekarị ule maka ikesa mgbasa ozi yana nyocha ndị ọzọ na-arụ ọrụ na pulmonary .
Na ule a, a na-etinye mkpuchi ihu gị. N'oge ule ahụ, ị ga-agbanye ume nke gas, jide ume gị, mgbe ahụ, a ga-atụle ikuku ị na-ekpuchi.
Mmiri ị na-eku n'ime ya ga-ebu carbon monoxide na gas tracer dị ka helium. Rịba ama, na a na-etinye ha n'ime ntakịrị obere na nke a abụghị nsogbu dị ize ndụ.
Mgbe aghara aghara gas, ndị dọkịta nwere ike chọpụta otú carbon dioxide na helium si gbasaa alveoli n'ime capillaries, site na ịchọpụta ọdịiche dị n'etiti ihe a na-etinye n'ime ya na nke a napụrụ.
A na-akpọkarị ule a dị ka DLCO-nke na-anọchite anya mgbasa ozi n'ofe ngụgụ nke carbon monoxide.
Ihe kpatara ike dị ukwuu
Enwere ọnọdụ dị iche iche nke nwere ike ịkpata ike dị iche. Mkpụrụ obi ọkụkụ na-egbochi ya dị ka fibrosis nke anụ ọkụkụ na-emekarị ka ọnụ ọgụgụ ndị na-agbasa agbasa (DLCO) belata n'ihi ụkọ na nkpu nke ebe dị n'etiti alveoli na capillaries.
N'ụzọ dị iche, ọrịa ndị na-egbochi ọrịa akwara dị ka emphysema nwere ike ibelata DLCO site na mbenata mpaghara ebe a ga-esi gbanye gas. Ịnwere ike ịmatakwu banyere ọrịa obstructive na mgbochi ọrịa ebe a .
Ọnọdụ ndị na - ejighị ọrụ mmanu na - arụ ọrụ pụkwara ịkpata ebe elu dị n'etiti alveoli na capillaries. Dịka ọmụmaatụ, ọbara na-ejikọta na akwara na akpa ume ( mgbagwoju anya ) nwere ike ime ka carbon monoxide weta n'ime alveoli na-enweghị ike ibufe ya na capillaries nke na-enye akwara.
Ọrịa ndị na - akpata DLCO belata gụnyere:
Mkpụrụ obi na-egbochi ọrịa ọkụ na-eme ka ọkpụkpụ akpụkpọ ahụ alveolar-capillary na-emepụta
- Pulmonary fibrosis
- Sarcoidosis
Ọrịa na-ebute ọrịa na-ekpo ọkụ na-eme ka obere oghere dị na ngụgụ
- Emphysema
- Asthma
- Ọrịa kansa
- Ọwa ahụ
Ọnọdụ ndị ọzọ nke na-ebelata akụkụ dị elu nke akpụkpọ ahụ alveoli-capillary
- Ngwakọta nke Pulmonary
- Ọbara hemọlrọn
- Isi ọbara mgbali elu nke ọbara
Ihe Ndị Na-eme Ka Ike Gwuo Ike
Obereghi, DLCO nwere ike ibu elu. Nke a nwere ike ịda na ụkwara ume ọkụ, polycythemia vera (ọrịa nwere ọrịa hemoglobin dị elu), na ọrịa ndị nwere mgbapụta nke na-eme ka ọbara si n'akụkụ aka ekpe nke obi gaa n'akụkụ aka nri nke obi.
Ihe Mere A Ga - eji Mee Ngwupụta Ulo
E nwere isi ihe atọ mere dọkịta gị ga - eji na - agbanye ule. Ndị a gụnyere:
- Nyocha - Ndị dọkịta nwere ike iji DLCO chọpụta ọnọdụ ahụike dika emphysema,
- Nlekọta nlekota - E nwere ike nyochaa ikike nwere ike ịchọpụta ma ọnọdụ dị njọ, ma ọ bụ ọ bụrụ na ọ ka mma na ọgwụgwọ.
- Ogologo oge ọhụụ - Site na ọrịa cancer akpa ume , ikike ịmegharị ahụ bụ ihe dị mkpa maka ndị na-atụle ịwa ahụ cancer na-egbu egbu n'ihi na ọ nwere ike inyere ndị dọkịta aka ịchọpụta (tinyere ihe ndị ọzọ) otu onye ga-esi kwado ịwa ahụ.
> Isi mmalite:
> National Institute of Health. Medline Plus. Nnyocha anụ ọkụkụ. Emelitere 11/19/15. https://medlineplus.gov/ency/article/003854.htm
> McCormack, M. Na-ekwupụta ikike maka carbon monoxide. Kwalitere ruo ugbu a. Emelitere 02/10/16. http://www.uptodate.com/contents/diffusing-capacity-for-carbon-monoxide