Isivivinyo Esijwayelekile Esingekho E-United States
Kunezivivinyo ezingaphezu kweyodwa ezingasetshenziswa ukuhlola ukuthi i-thyroid yakho isebenza kanjani.
Ngaphandle kokuhlola i-hormone ye-thyroid (TSH) noma i-thyroxine level (T4), udokotela angasebenzisa i-thyrotropin-release hormone (TRH) yokuvivinya umzimba. Lokho kusho ukuthi lesi sivivinywa asivame ukusetshenziswa; empeleni, ayitholakali e-United States, nakuba itholakala kwamanye amazwe.
Ukuqonda ukuhlolwa kwe-TRH
Ukuze uqonde ukuthi ukuhlolwa kwe-TRH yokuvuselela kusebenza kanjani, kuqala kusiza ukuba ubuyekeze ngokushesha ukuthi ama-hormone ahlukahlukene obuchopho asebenzisana kanjani ne-thyroid:
- I-hypothalamus yakho ingumgogodla ebuchosheni bakho obuvimba i-thyrotropin-release hormone (TRH).
- Uma i-TRH ikhishwa, ivuselela ingqondo yakho ye-pituitary gland ukuze ikhulule i-hormone ye-thyroid (TSH).
- I-TSH igqugquzela i-thyroid ngokwayo ukwenza ama-hormone e-thyroid.
Odokotela abaningi basebenzisa ukuhlolwa kwe-TSH, okulinganisa izinga lokujikeleza le-TSH egazini legazi ngesikhathi esisodwa. Imiphumela yokuhlola ye-TSH isichazwa ngaleso sikhathi; uma amazinga akho ephakeme noma ephansi kunebala lokubhekisela, lokhu kuthathwa njengobungqina bokuthi isifo se-thyroid esingaba khona.
Ukuhlolwa kwe-TRH kuhlukile. Okokuqala, ukuhlolwa kwesisekelo se-TSH kwenziwa. Khona-ke unikezwa umthamo we-TRH ngokusebenzisa umvuthwandaba wakho okhuthaza i-pituitary yakho ukukhulula i-TSH. Isampuli segazi lesibili bese sithatha amaminithi angu-20 kuya kwangu-60 kamuva, futhi izinga le-TSH libuyiswa.
Abanye odokotela banomuzwa wokuthi ukuhlolwa kwe-TRH kungabona izinkinga ze-thyroid ezicashile futhi kulinganise ikhono lakho le-thyroid lokuphendula ngesikhathi sangempela, uma kuqhathaniswa nokuhlolwa kwe-TSH, okuyisikrini somsebenzi we -roid ngesikhathi esisodwa.
Indlela ukuhlolwa kwe-TRH ehluke ngayo ekuhlolweni kwe-TSH
Ukuqhathanisa uhlolo lwe-TRH lokuvuselela kanye nokuhlolwa kwe-TSH kufana nokuhlolwa kokucindezeleka komzimba uma kuqhathaniswa ne-electrocardiogram, noma isilingo sokubekezelelana kwe-glucose uma kuqhathaniswa nokuzila kwezinga le-glucose.
Esivivinyweni sokuvuselela, inselele ingase ibonise ukukhubazeka kwe-thyroid.
Noma kunjalo, odokotela abaningi bacabanga ukuthi ukuhlolwa kwe-TSH kunembile kakhulu nge-draw eyodwa yegazi edingekayo futhi akukho okukhethekile okunikezwayo. Ngaphezu kwalokho, i-TSH ayithengi. Uma kuqhathaniswa, ukuhlolwa kwe-TRH okunzima kakhulu nokubiza kakhulu kudinga ukuhlukaniswa okwehlukanisa ihora lesigamu sehora, ukutholakala kwe-TRH, nokwazi indlela yokwenza ngokufanele futhi ukuhumusha ukuhlolwa.
Izinzuzo zohlolo lwe-TRH
Isivivinyo se-TRH sisetshenziswa ngezikhathi ezithile ukusiza ukubona i-hypothyroidism yesibili (i-hypothyroidism engenxa yezinkinga ze-pituitary) kanye ne-tertiary hypothyroidism (i-hypothyroidism engenxa ye-hypothalamic disorder).
Kodwa-ke, kuyilapho i-TRH ingasetshenziselwa ukuthola i-hypothyroidism yesibili noma ephezulu (ebizwa ngokuthi i-central hypothyroidism), ayikwazi ngempela ukuhlukanisa phakathi kwe-pituitary versus hypothalamic.
Isiphetho
Ekugcineni, abacwaningi baye babonisa ukuthi ukuhlolwa kwe-TRH kungasetshenziswa ukuthola i-hypothyroidism ephakathi nezifo ezingahlobene ne-thyroid.
Ucwaningo lwangaphambili lubonisa ukuthi ukuhlolwa kwe-TRH kungambula lokho okukhulunywe ngakho ekuqaleni kwe-sub-biochemical hypothyroidism ngaphambi kokuba kubonakale ekuhloleni okujwayelekile kwe-TSH.
Mhlawumbe, kuzoqhutshwa izifundo ezintsha ukuze kutholakale izinzuzo ezikhona ezigulini zokusebenzisa kabanzi lokhu kuhlolwa.
> Imithombo:
> Doi SAR, Issac D, Abalkhail S, Al-Qudhaiby MM, Hafez MF, Al-Shoumer KAS. Ukukhuthazwa kwe-TRH Uma I-TSH Eyisisekelo Ngaphakathi Kwesigaba Esivamile: Ingabe Kukhona "I-Sub-Biochemical" I-Hypothyroidism? Imithi Yokwelashwa Nokucwaninga . 2007; 5 (3): 145-148. i-doi: 10.3121 / cmr.2007.756.
> I-Ross DS. (2017). I-hypothyroidism ephakathi. Cooper DS, ed. Kusesikhathini. Waltham, MA: UpToDate Inc.