Throid na-arụ ọrụ dị mkpa n'ịhazi nhazi nke ahụ, uto na mmepe. Nrụ ọrụ ọ bụla nke thyroid nwere ike ibute ọtụtụ nsogbu ahụike. Otu hormone dị mkpa nke gland thyroid na-emepụta bụ T4, nke na-agbanwe n'ime anụ ahụ dị iche iche na hormone ọzọ dị mkpa, T3.

T4 efu (f-T4) bụ ihe nleba anya n'ụdị adịghị ejikọta na arụ ọrụ nke hormone T4 na-ekesa n'ọbara. Nyochaa ọkwa f-T4 dị mkpa maka nyochaa ọrụ thyroid na ịchọpụta ọrịa thyroid.

Mkpa ule f-T4:

Nyochaa ọkwa f-T4 dị oke mkpa iji chọpụta hyperthyroidism (hyperthyroidism) na hypothyroidism (hypothyroidism). A na-eji ọkwa f-T4 dị elu mara hyperthyroidism, ebe hypothyroidism na-ebute mbelata ọkwa f-T4.

Tụkwasị na nke ahụ, a na-eji ọkwa f-T4 mee nchọpụta nyocha nke subclinical thyroid dysfunction na ndị ọrịa na-egosipụta mgbaàmà na-edoghị anya nke ọrịa thyroid. Ọkwa TSH nkịtị mana f-T4 dị ala na-egosi hypothyroidism subclinical, ebe f-T4 dị elu na ọkwa TSH nkịtị nwere ike igosi hyperthyroidism subclinical.

Na mgbakwunye na nchoputa, nlekota f-T4 ọkwa dị mkpa iji chọpụta irè ọgwụgwọ thyroid. N'ihe banyere hypothyroidism, onye ọrịa na-ewere ụdị sịntetik nke hormone T4 iji nọgide na-enwe ọkwa hormone thyroid kacha mma. Ịtụ ọkwa f-T4 mgbe niile dị mkpa iji chọpụta dose kwesịrị ekwesị nke ọgwụ T4 sịntetik.

Nkọwa nke nsonaazụ ule f-T4:

Oke ntụaka maka f-T4 nwere ike ịdịgasị iche site na ụlọ nyocha na nyocha ejiri mee nnwale. Agbanyeghị, oke nkịtị maka ọkwa f-T4 na-adịkarị n'etiti 0.7 - 1.8 ng/dL.

F-T4 na-adịghị mma nwere ike igosi ụdị ọrịa thyroid dị iche iche, gụnyere hypothyroidism, hyperthyroidism, na thyroid nodules. Ọkwa f-T4 dị elu nwere ike ibute mgbaàmà dị ka ịbelata ibu, nchekasị, na ịma jijiji, ebe mbelata f-T4 nwere ike ibute oke ibu, ike ọgwụgwụ, na ịda mbà n'obi.

na ngwụcha:

Ọrụ thyroid na-arụ ọrụ dị mkpa n'ịkwado ahụike na ịdị mma n'ozuzu ya. Nyochaa ọkwa f-T4 dị mkpa maka nyochaa ọrụ thyroid na ịchọpụta ọrịa thyroid. Nnwale f-T4 dịkwa mkpa iji chọpụta usoro ọgwụgwọ kwesịrị ekwesị maka ọrịa thyroid. Nchọpụta mbụ na njikwa ọrịa thyroid nwere ike igbochi nsogbu ahụike ọzọ. Ya mere, ọ dị mkpa ịkpọtụrụ onye na-ahụ maka ahụike gị ma ọ bụrụ na ị na-enweta ihe mgbaàmà ọ bụla metụtara nkwụsị ọrụ thyroid.

N'ikpeazụ, nyocha f-T4 bụ akụkụ dị mkpa nke nyocha na njikwa ahụike thyroid. A na-eme ule ọrụ thyroid, gụnyere f-T4 nha, mgbe niile iji hụ na ọrụ thyroid kacha mma na ahụike zuru oke.