Ukujonga kwi-AST ne-ALT
Ama-enzymes ezinobungozi zizinto eziveliswa sisibindi ezinokulinganiswa ngokuhlolwa kwegazi. Ukulinganiswa kwezi-enzyme ezijikelezayo egazini lakho kuvumela oogqirha ukuba bafunde ngempilo yesibindi sakho. Kukho amawaka ala ma-enzyme kwisibindi kunye nomlambo wegazi, kodwa ezimbini zazo-i-aminotransferases i-AST kunye ne-ALT-incedo ngokukhethekileyo ekufumaneni umonakalo wesibindi kunye nezifo.
Yintoni i-Aminotransferases?
I-Aminotransferase yile makhemikhali isibindi esisetyenziselwa ukukwenza i-molecule ye-storage-molecule glycogen. I-Aspartate aminotransferase, okanye i-AST, ifumaneka kwisibindi, kodwa kwakhona ingqondo, i-pancreas, intliziyo, isifuba, isifo kunye nemiphunga. I-Alanine aminotransferase, okanye i-ALT, ifunyanwe ikakhulu kwisibindi.
Iinjongo ze-Enzyme zivavanywa njani?
Ukuvavanya i-AST kunye ne-ALT, ugqirha kufuneka adinge uvavanyo lwe-enzyme, oluqhelekileyo luqukethe iimvavanyo ezongezelelweyo ezongezelelweyo ezifana ne-albumin, i-bilirubin kunye nexesha leprothrombin. I-technician izakuthatha isampuli yegazi lakho kwaye uyithumele ebhodini ekufuneka ihlolwe ngayo. Iziphumo zithunyelwa kugqirha wakho.
Ziziphi iindlela eziqhelekileyo ze-AST kunye ne-ALT?
Amanqanaba aqhelekileyo a-AST kunye ne-ALT ahluka ukusuka kumntu ukuya kumntu kwaye kuxhomekeke kwisikhokelo sakho somzimba wakho (BMI), okanye umlinganiselo wokuphakama nokulinganisela kwakho. Inani elincinci le-AST ne-ALT liqhelekileyo egazini lakho, ngoko ke linyuka kakhulu kwinqanaba lakho eliqhelekileyo elibonisa ingxaki.
Abantu abane -virus ye-viral hepatitis banokuba nama-aminotransferase amanqanaba angaphezulu kwamawaka ngamazwe ngama-lita nganye ngegazi (IU / L). Iziqhelo eziqhelekileyo zelabhoratri ze-AST kunye ne-ALT zi:
- AST 2-45 IU / L
- ALT 2-40 IU / L
Kutheni i-AST ne-ALT iyanceda?
Ngenxa yokuba la ma-enzyme atholakala kwiiseli zesibindi (i-hepatocytes), enolwazi oluninzi kunye nokunikezelwa kwegazi, i-AST ne-ALT "iyavuza" egazini ukuba i-hepatocytes inobungozi.
Iimvavanyo zegazi zinokumisela izinga le enzymes egazini lakho kunye noogqirha bangasebenzisa olu lwazi ukukunceda ukufikelela kwisifo okanye ufumane iimvavanyo ezongezelelweyo.
Amanqanaba aphezulu angabonakaliyo enzymes ezinobindi abonisa ukuba iiselingi zesibindi zonakaliswe, kodwa azikwazi ukuchaza oko kubangele umonakalo. Ngenxa yokuba amanqanaba e-enzyme akhulayo angabonwa kwezinye izifo ( ukuhlaselwa intliziyo , ukukhuluphala, isifo sikashukela , i-mononucleosis), ziyingxenye enye yepastiki enkulu. Ukunika oogqirha umfanekiso opheleleyo wekliniki, amazinga e-enzyme kufuneka asetyenziswe nezinye iimvavanyo zegazi, uvavanyo lwezonyango, kunye nembali yezokwelapha.
Ngenxa yokuba i-AST ikhona kwiindawo ezininzi emzimbeni, amanqanaba aphezulu e-AST yodwa ayibonakali isifo sesibindi (esiphawulekayo, kodwa esinqabileyo, ngaphandle kwesifo sikaWilson). Nangona kunjalo, umlinganiselo we-AST ukuya kwi-ALT, okanye izinga le-AST elifaniswa nezinga le-ALT, linikeza amanqaku amaninzi kwizinto ezenzeka ngaphakathi. Ngokusekelwe kwezi zilungelo, oogqirha banokugxila ingqalelo kwisiphi isifo sesibindi. Nazi ezinye izikhokelo eziqhelekileyo ezisetyenziselwa isifo sesibindi:
- Umlinganiselo we-AST: i-ALT elingana nelinye (izinga le-ALT liphezulu okanye lilingana ne-AST), kodwa amanqanaba aphakamileyo kakhulu, abonisa ukuba i-hepatitis yesifo esiyingozi okanye i-hepatitis ehlobene neziyobisi.
- I-AST: Umlinganiselo we-ALT ophezulu kune-2: 1 (amaxesha amabini kwinqanaba le-AST ukuya ku-ALT) lisikisela kakhulu isifo sesibindi sokunxila.
- Umlinganiselo we-AST: i-ALT ephezulu kuneyodwa (apho izinga le-AST liphezulu ngaphezu kwe-ALT) lingabonisa kwakhona i-cirrhosis kumntu ongenaso isifo sobungozi obunxilisayo.
Funda ngokugqithisileyo:
Imithombo
- Pratt DS, Kaplan MM. Ukuvavanywa kweeSeben Function. Ku: AS Fauci, E Braunwald, DL Kasper, SL Hauser, DL Longo, JL Jameson, J Loscaizo (eds), i -Principals of Medicine Internal , 17e. ENew York, kuMcGraw-Hill, ngo-2008.