La streptolysine O wani abu ne da aka samar da shi streptococcal kwayoyin cuta (Rukunin A) lokacin da suke cutar da jiki.

Kasancewar streptolysin yana haifar da amsawar rigakafi da samar da ƙwayoyin rigakafi na anti-streptolysin, waɗanda ke da nufin kawar da abubuwan.

Ana kiran waɗannan ƙwayoyin rigakafi antistreptolysins O (ASLO). 

Wannan gwajin zai iya gano antistreptolysin O antibodies a cikin jini, wanda ke ba da shaidar kasancewar kamuwa da streptococcal (misali angina ko pharyngitis, zazzabin rheumatic).

Ba a ba da izinin gwajin ba akai-akai don gano streptococcal pharyngitis (ana yin amfani da gwajin gaggawa akan smear makogwaro don wannan). An tanada shi don wasu lokuta na cututtukan streptococcal da ake zargi, kamar zazzabi na rheumatic ko glomerulonephritis mai tsanani (cututtukan koda).

Wane sakamako za mu iya tsammani daga nazarin antistrptolysin O?

Ana gudanar da jarrabawar ta sauƙi gwajin jini, a cikin dakin bincike na likita.

Babu shiri na musamman. Koyaya, ana iya ba da shawarar ɗaukar samfur na biyu bayan makonni 2 zuwa 4 don auna juyin halittar matakin rigakafin.

Yawanci, matakin antistreptolysin O ya kamata ya zama ƙasa da 200 U / ml a cikin yara da 400 U / ml a cikin manya.

Idan sakamakon ya kasance mara kyau (wato, a cikin ka'idoji), yana nufin cewa ba a daɗe da kamuwa da streptococcus mara lafiya ba. Duk da haka, a lokacin a strep kamuwa da cuta, haɓakar alama a cikin ASLO yawanci ba a iya ganowa har sai makonni 1 zuwa 3 bayan kamuwa da cuta. Don haka, yana iya zama taimako a maimaita gwajin idan alamun sun ci gaba.

Idan matakin ASLO ya yi girma sosai, bai isa a faɗi ba tare da shakka cewa akwai kamuwa da strep ba, amma yuwuwar yana da yawa. Don tabbatar da wannan, adadin dole ne ya nuna ƙarar karuwa (yawan ta huɗu na titre) akan samfurori guda biyu da aka raba kwana goma sha biyar baya.

Darajar waɗannan ƙwayoyin rigakafin suna komawa daidai ba bayan watanni 6 bayan kamuwa da cuta.