Gịnị bụ akpa ume surfactant na otú o si arụ ọrụ

Ndinaya

• Ọrụ nke surfactant
• Gịnị na-akpata enweghị surfactant

Pulmonary surfactant bụ mmiri mmiri nke ahụ nwere nke nwere ọrụ nke ịkwalite mgbanwe ikuku gas na ngụgụ. Omume ya na-enye ohere ka alveoli akpa ume, nke bụ obere akpa nke na-ahụ maka mgbanwe gas, ka ọ meghee n'oge iku ume, site na esemokwu, nke na-eme ka ntinye oxygen baa n'ọbara.

Newmụ amụrụ ọhụrụ akaghi aka nwere ike ọ gaghị enwe ike ịmepụta ngwa ngwa nke ngwa ngwa iji hụ na iku ume nke ọma, ma, ya mere, nwere ike ịmalite ọrịa ọrịa iku ume iku ume, na-akpata nnukwu nsogbu na iku ume.

N'ụzọ dị mma, e nwere ọgwụ, nke bụ exogenous surfactant, nke na-e mimomi ihe okike nke anụ ahụ, ma na-enyere ume nwa ume aka ruo mgbe ọ ga-emepụta n'onwe ya. Enwere ike inye ọgwụ a n'ime awa mbụ mgbe amuchara nwa ahụ, maka nsonaazụ ọsọ, site na ọkpọkọ kpọmkwem na ngụgụ.

Ọrụ nke surfactant

Isi ọrụ nke ihe na-eme ka akpa ume bụ ịmepụta ihe nkiri nke na-enye ohere mmeghe kwesịrị ekwesị nke alveoli nke pulmon ma na-enye ohere iku ume, site na:

• Mmezi nke oghere nke alveoli;
• Mbelata nke ike dị mkpa maka mmụba nke ngụgụ;
• Ikwusi ike nke alveoli.

N'ụzọ dị otú a, ngụgụ na-arụ ọrụ mgbe niile ma nwee ike ịme mgbanwe gas n'ụzọ kwesịrị ekwesị.

Gịnị na-akpata enweghị surfactant

A na-emepụta ihe a n'eme ka ume nwa ọhụrụ, ka nọ n'afọ nne ya, ihe dị ka izu 28. Ya mere, ụmụ akaghi aka amụrụ tupu oge a, nwere ike ọ gaghị enwe mmepụta zuru oke nke ihe a, nke na-ebute ọrịa ọrịa iku ume nwa ọhụrụ.

Ọrịa a, nke a makwaara dị ka ọrịa hyaline membrane ma ọ bụ ọrịa nsogbu iku ume, na-akpata nsogbu iku ume, iku ume ngwa ngwa, iku ume na egbugbere ọnụ na-acha anụnụ anụnụ na mkpịsị aka, nke nwere ike ịnwụ.

N’okwu ndị a, pediatrician nwere ike gosipụta dose nke exogenous surfactant na nwa amụrụ ọhụrụ, nke nwere ike ịbụ eke, ewepụtara site na ụmụ anụmanụ, ma ọ bụ sịntetik, nke nwere ike dochie ọrụ nke surfactant mepụtara na ngụgụ ma kwe ka ume zuru oke. Mụtakwuo banyere mgbaàmà na otu esi emeso ọrịa iku ume iku ume ụmụaka.