I-Factor ye-Rheumatoid Ininzi kakhulu kubantu abane-Arthritis ye-Rheumatoid
I-rheumatoid factor is immunoglobulin (antibody) enokuzibophelela kwamanye amanqindi. Ngokuqhelekileyo, iintsholongwane zi-proteins eziqhelekileyo ezifunyenwe kwigazi elisebenzayo kwisistim somzimba . Isixhobo se-Rheumatoid, nangona kunjalo, asiqhelekanga kubantu bonke. Ngoxa kufunyanwe kuphela kwi-1-2 yepesenti yabantu abaphilileyo, iziganeko ze-rheumatoid zinyuka kunye nobudala kunye nama-20 ekhulwini abantu abangaphezu kweminyaka engama-65 ubudala banesifo se-rheumatoid esiphezulu.
Ubungqina bento yesifo se-rheumatoid buyabonwa ngokuhlolwa kwegazi. Uvavanyo lwegazi luyalelwe ngokuqhelekileyo xa i- rheumatoid arthritis ikhunjulwa. I-rheumatoid factor ikhona kuma-80 ekhulwini abantu abadala abane-arthritis ye-rheumatoid, kodwa kukho ukuxhaphaka kweyona nto ephantsi kwi-rheumatoid arthritis. Isiganeko se-rheumatoid sandisa ukwanda kwesifo kwi-rheumatoid arthritis: kwiinyanga ezi-3 iziganeko zingama-33 ekhulwini, ngelixa unyaka unama-75 ekhulwini. Ukufikelela kuma-20 eepesenti zezigulane ze-rheumatoid arthritis zihlala zingenayo ingxaki ye-rheumatoid ngexesha lonke lesi sifo. Abantu abachaphazelekayo kwi-rheumatoid factor bahlelwa ngokwembali njenge-arthritis ye-rheumatoid arthritis.
Ezinye iiMeko ezingabandakanywa kunye novavanyo olufanelekileyo lwe-Rheumatoid Factor Test
Ezinye izifo ezizimeleyo ezingaba nesimo se-rheumatoid ziquka:
- Sjogren's syndrome
- Systemic lupus erythematosus
- Scleroderma
- Polymyositis
- Dermatomyositis
- Izifo ezixubileyo zeTissue Tissue
Ezinye izifo okanye izimo ezinokudityaniswa nemiphumo emihle yokuhlolwa kwezinto ezibandakanya i-rheumatoid ziquka:
- Ukusasaza i- pulmonary fibrosis
- I-cirrhosis yesibindi
- Sarcoidosis
Iimeko ezingahambelani ne-Rheumatoid Factor
Izimo zeRheumatic ezingahambelani nento ephezulu ye-rheumatoid ziquka:
- Osteoarthritis
- Ankylosing spondylitis
- Gout
- I-Psoriatic arthritis
- Isifo sikaReiter / i-arthritis esebenzayo
Umgangatho ophezulu weTiter Rheumatoid Factor
Amanqanaba aphakamileyo okanye izihloko ze-rheumatoid factor zihambelana nesifo se-rheumatoid esinamandla. Isixhobo se-Rheumatoid sinxulumene nomgangatho ophezulu wokuphuhlisa ukubonakaliswa okungabonakaliyo (okungekho mboniso) kwesi sifo, njengama- nodules we- rheumatoid kunye nesifo sesifo se-lung.
I-Rheumatoid Factor ilinganiselwa njani?
Isixa se-rheumatoid kwigazi sinokulinganiswa ngu:
Uvavanyo lwe-Agglutination
Enye indlela idibanisa igazi legulane kunye neentsimbi ezincinci ze-latex ezihlanganiswe ne-antibodies (IgG) yabantu. Iintsimbi ze-latex zixhamla okanye zihlutha xa i-rmumicid factor (IgM RF) ikhona. Enye indlela idibanisa igazi legulane kunye neegusha zegazi ezibomvu zamaseli eziye zagqutywa ngamagqabi omzimba. Iibomvu zegazi ezibomvu ziyaqala ukuba i-rheumatoid factor exists.
I-titer ibonisa ukuba isampuli yegazi yokuhlola i-agglutination ingahlanjululwa ngaphambi kokuba i-rheumatoid ingabonakali.
Isihloko se-1:20 sibonisa ukuba inkalo ye-rheumatoid ingafunyanwa xa enye inxalenye yegazi ihlanjululwa ngamanqanaba angama-20 e-saline. Ngokuxhomekeke kwibra, ixabiso le-rheumatoid factor 1:20 okanye ngaphantsi libhekwa njengeqhelekileyo.
Uvavanyo lwe-Nephelometry
Igazi lomonde lixutywe kunye neengqungquthela ezibangela ukuba ziquke ukuba i-rheumatoid factor exists. Ukukhanya kudlula kwiphubhu equlethe umxube kunye nesixhobo silinganisa indlela ukukhanya okuvaliweyo ngayo umxube. Amanqanaba aphakamileyo e-rheumatoid enza iisampuli ezinamafu kwaye avumele ukukhanya okungaphantsi kudlule, kulinganiswa kwiiyunithi. Ngokuxhomekeke kwibra, ixabiso le-rheumatoid ye-23 okanye ngaphantsi kweeyunithi ibhekwa njengesiqhelo.
Xa uhlalutya iziphumo zebhan, khumbula ukuba i-rheumatoid factor ngaphezu kweeyunithi ezingama-23 kunye ne-titer engaphezu kwe-1:80 ibonisa i-rheumatoid arthritis kodwa inokwenzeka nakwezinye iimeko. Iziphumo ezintle ezimbi zingenzeka xa izinga lamafutha egazini liphezulu. Iziphumo ezingalunganga zibangelwa ukuphathwa kakubi kweesampuli zegazi. Kwaye ekugqibeleni, umphumo ongezantsi wokuvavanya i-rheumatoid factor does not prevent the diagnosis of rheumatoid arthritis.
Imithombo:
I-Rheumatoid Arthritis: I-Early diagnosis and Treatment. Cush, Weinblatt, kunye neCavanaugh MD Professional Communications, Inc.
Todd-Sanford: I-Clinical Diagnosis yi-Laboratory Methods.