Ọrịa thyroid na-arụ ọrụ dị mkpa n'ịchịkwa metabolism nke ahụ, uto na mmepe ya. Nsogbu ọ bụla nke thyroid nwere ike ibute ọtụtụ nsogbu ahụike. Otu homonụ dị mkpa nke gland thyroid na-emepụta bụ T4, nke a na-agbanwe n'ime anụ ahụ dị iche iche ka ọ bụrụ homonụ ọzọ dị mkpa, T3.

T4 efu (f-T4) bụ ihe atụ nke ụdị na-anaghị ejikọta ma na-arụ ọrụ nke homonụ T4 na-agagharị n'ọbara. Nleba anya n'ọkwa f-T4 dị mkpa iji nyochaa ọrụ thyroid na ịchọpụta ọrịa thyroid.

Mkpa nke nnwale f-T4:

Ịtụle ọkwa f-T4 dị oke mkpa iji mata ọdịiche dị n'etiti hyperthyroidism (hyperthyroidism) na hypothyroidism (hypothyroidism). A na-amata hyperthyroidism site na mmụba nke ọkwa f-T4, ebe hypothyroidism na-ebute mbelata nke ọkwa f-T4.

Tinyere nke a, a na-eji ọkwa f-T4 achọpụta nsogbu thyroid na-adịghị na ọgwụgwọ n'ime ndị ọrịa nwere ihe mgbaàmà doro anya nke ọrịa thyroid. Ọkwa TSH nkịtị mana ọkwa f-T4 dị ala na-egosi hypothyroidism na-adịghị na ọgwụgwọ, ebe ọkwa f-T4 dị elu na ọkwa TSH nkịtị nwere ike igosi hyperthyroidism na-adịghị na ọgwụgwọ.

Na mgbakwunye na nchọpụta, nlekota ọkwa f-T4 dị mkpa iji chọpụta irè nke ọgwụgwọ thyroid. N'ihe gbasara hypothyroidism, onye ọrịa na-aṅụ ụdị homonụ T4 sịntetik iji nọgide na-enwe ọkwa homonụ thyroid kacha mma. Ọ dị mkpa ịlele ọkwa f-T4 mgbe niile iji chọpụta oke ọgwụ T4 sịntetik kwesịrị ekwesị.

Nkọwa nke nsonaazụ ule f-T4:

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

Ọkwa f-T4 na-adịghị mma nwere ike igosi ọtụtụ nsogbu thyroid, gụnyere hypothyroidism, hyperthyroidism, na thyroid nodules. Ọkwa f-T4 dị elu nwere ike ibute mgbaàmà dịka mbelata ibu, nchekasị, na ịma jijiji, ebe mbelata ọkwa f-T4 nwere ike ibute mmụba ibu, ike ọgwụgwụ, na ịda mbà n'obi.

na ngwụcha:

Ọrụ thyroid na-arụ ọrụ dị oke mkpa n'ịnọgide na-enwe ahụike na ọdịmma zuru oke. Nleba anya na ọkwa f-T4 dị mkpa iji nyochaa ọrụ thyroid na ịchọpụta ọrịa thyroid. Ọ dịkwa mkpa iji chọpụta usoro ọgwụgwọ kwesịrị ekwesị maka ọrịa thyroid. Nchọpụta na njikwa ọrịa thyroid n'oge nwere ike igbochi nsogbu ahụike ndị ọzọ. Ya mere, ọ dị mkpa ịkpọtụrụ onye na-ahụ maka ahụike gị ma ọ bụrụ na ị hụ ihe mgbaàmà ọ bụla metụtara nsogbu thyroid.

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