Ukuhlolwa kwe-Widal ukuhlolwa kokuxilonga kwe-serological kwe-typhoid fever. Kuyasiza ukuhlola izinga lamasosha omzimba akhiqizwa umzimba ekuphenduleni ukutheleleka kwebhaktheriya i-Salmonella ebangela i-typhoid fever ezigulini. Ukuhlolwa kwegazi kwe-Widal kwaziwa nangokuthi a umbiko wokuhlolwa kwegazi we-typhoid, njengoba isetshenziswa kabanzi ekuxilongeni i-typhoid fever. Izimpawu ze-typhoid fever zingase zifane nezezinye izifo, ezingenza ukutholakala kwe-typhoid kube nzima ngaphandle kokuhlolwa okufanele.

Kuyini ukuhlolwa kwegazi kwe-Widal?

I-typhoid fever yisifo esibi esibangelwa amagciwane okuthiwa i-Salmonella Typhi. Leli gciwane lithinta i- uhlelo lwesisu futhi kubangela uchungechunge lwezimpawu ezinjengokushisa okukhulu, isifo sohudo noma ukuqunjelwa, ikhanda elibuhlungu, ubuhlungu besisu, ukukhathala, ukuncipha kwesisindo, namabala abomvu. Amagciwane ngokuvamile angena emzimbeni ngokudla noma amanzi angcolile. I-typhoid idinga ukwelashwa ngokushesha ukuze kuvinjelwe ezinye izinkinga ezifana nokubhoboza amathumbu amakhulu noma ukopha.

Ukuhlolwa kwegazi kwe-Widal kuwukuhlola okusheshayo nokulula kwe-serological okungasiza ukuqinisekisa noma ukukhipha ukuthi imfiva ibangelwa ukutheleleka kwe-typhoid. Ngokuvamile, izimpawu ze-typhoid zivela phakathi kwezinsuku ezingu-6 kuya kwezingu-30 zokuchayeka Isifo esibangelwa amagciwane. Ukuhlolwa kwe-Widal kuklanyelwe ukuthola amasosha omzimba ngokumelene nama-antigen O (somatic) kanye no-H (flagellar) abangela ukutheleleka kanye ne-typhoid fever. Ukutheleleka ngala ma-antigen kukhiqiza amasosha omzimba athile ekuphenduleni.

Ukuhlolwa kwegazi kwe-Widal kuhlaziya ukusebenzisana phakathi kwalawa ma-antigen amabili kanye namasosha omzimba akhiqizwa emzimbeni wesiguli ngesampula yegazi. Ukuthola ukuba khona kwalezi zivikelamzimba ekuhlolweni kwegazi kwe-Widal kukhombisa ukutheleleka ngebhaktheriya.

Inhloso yokuhlolwa kwegazi kwe-Widal

Ukuhlolwa kwegazi kwe-Widal kusetshenziselwa ukuthola amasosha omzimba akhiqizwa ukuphendula ukutheleleka okubangelwa amagciwane e-Salmonella. Lokhu kungasiza ekuxilongeni noma ukukhipha i-typhoid fever kumuntu.

Kufanele ukuthole nini lokhu kuhlolwa kwegazi kwe-Widal?

I-typhoid fever, eyaziwa nangokuthi i-enteric fever, isifo esisongela ukuphila esibangela izimpawu ezihlukahlukene. Udokotela angase atuse ukuhlolwa kwegazi kwe-Widal uma esola ukuthi umuntu unezimpawu ngenxa yokutheleleka nge-typhoid. Lezi zimpawu zingabandakanya:

• Umkhuhlane namakhaza
• Ama-body aches
• Ukukhathala okukhulu
• bekhanda
• Ubuhlungu besisu
• Ukuqunjelwa noma isifo sohudo
• Ukulahlekelwa kwesifiso
• Amabala abomvu amancane esifubeni nasesiswini

Esinye isizathu sokuncoma ukuhlolwa kwe-Widal ukuthi uma umuntu evakashele isifunda lapho ukutheleleka kwe-typhoid kugcwele khona.

Kwenzekani ngesikhathi sokuhlolwa kwegazi kwe-Widal?

Ngesikhathi sokuhlolwa kwegazi kwe-Widal, isampula yegazi liyaqoqwa esigulini. Ngaphambi kombiko wokuhlolwa kwegazi we-typhoid fever, isiguli singase sicelwe ukuba sizile isikhathi esithile njengoba ngokuvamile siqhutshwa esiswini esingenalutho. Igazi ngokuvamile likhishwa engxenyeni engaphakathi yengalo kusetshenziswa inaliti. I-phlebotomist ithola umthambo ofinyelelekayo bese ibulala amagciwane endaweni nge-alcohol swab. Khona-ke, kufakwa inaliti eyinyumba ukuze kudonswe igazi futhi lifakwe ebhodleleni ukuze lihlolwe okwengeziwe.

Inqubo yokuhlolwa kwegazi kwe-Widal

Ngemva kokuthola isampula yegazi esigulini, lithunyelwa elabhorethri ukuze lihlolwe. A uchwepheshe welebhu yenza ukuhlolwa kwe-Widal ngokucubungula isampula kusetshenziswa abahlaziyi, okuyimishini eklanyelwe ukukala amasosha omzimba athile akhona kusampula. Ngesikhathi sokuhlolwa kwegazi le-Widal, isampula yegazi lixutshwa ne-antiserum equkethe amasosha omzimba alwa namagciwane. Uma amasosha omzimba ekhona kusampula yegazi, azosebenzisana ne-antiserum, okubangele ukunqwabelana noma ukunqwabelana kwamaseli abomvu egazi (RBCs).

Ukusetshenziswa kokuhlolwa kwegazi kwe-Widal

Ukuhlolwa kwegazi kwe-Widal kunikeza ukuhlolwa kwamazinga amasosha omzimba u-O no-H akhona kusampula yegazi, okungasiza udokotela abone ukuthi kukhona yini ukutheleleka ngebhaktheriya okubangela i-typhoid.

Ungalungiselela kanjani ukuhlolwa kwegazi kwe-Widal?

Angeke kube khona izidingo ezikhethekile noma amalungiselelo okuhlolwa kwegazi kwe-Widal. Nokho, udokotela owelaphayo angase atuse iziqondiso ezithile okufanele zilandelwe ezigulini ezithile ngokusekelwe emlandweni wazo wezokwelapha kanye nesimo sezempilo samanje.

Amanani we-Widal Blood Test Results

Ukuhlolwa kwegazi kwe-Widal kukalwa ngama-titers, okukala izinga lokuhlanjululwa lapho impendulo ye-agglutination yenzeka khona. Izihloko zethulwa njengesilinganiso, njengokuthi 1:20 noma 1:40. Leli nani libonisa izinga lokuhlanjululwa lapho ukusabela kwenzeke khona. Ngokuvamile, lapho inani le-titer liphezulu, amasosha omzimba amaningi akhona kusampula yegazi.

Inani letiter elingaphezu kuka-1:20, ikakhulukazi u-1:160, ngokuvamile libonisa ukuba khona kwamasosha omzimba ekuphenduleni kokubili ama-antigen O kanye no-H.

Isiphetho

I-typhoid fever yisifo esiyingozi esibangelwa ukutheleleka kwebhaktheriya (i-Salmonella typhi). Ngokuvamile kutholwa udokotela ocabangela uhlobo nobukhulu bezimpawu, kanye nosizo lokuhlolwa kwegazi—ukuhlolwa kwe-Widal, okungase kusetshenziselwe ukuhlonza i-typhoid.

Imibuzo Evame Ukubuzwa 

1. Kwenzekani ngesikhathi sokuhlolwa kuka-Widal?

Izimpendulo. Ukuhlolwa kwegazi kwe-Widal ukuhlolwa kwe-serological esetshenziselwa ukuxilonga noma ukukhipha i-typhoid fever kumuntu. Phakathi nokuhlolwa, ukuba khona kwamasosha omzimba athile kutholwa kusampula yegazi ngokumelene nezinhlobo ezimbili ze-Salmonella typhi. Uma i-agglutination kwenzeka kusampula yegazi, kubonisa ukuba khona kwebhaktheriya ye-Salmonella ebangela i-typhoid.

2. Ngazi kanjani ukuthi ukuhlolwa kwami ​​kwe-Widal ukuthi nginayo?

Izimpendulo. Ukuxilongwa kwe-typhoid ekugcineni kwenziwa udokotela ocabangela ukuqina nobude bezimpawu ngokuhambisana nemiphumela yokuhlolwa. Imiphumela yokuhlolwa kwe-Widal ibhekwa njengenhle lapho impendulo ye-agglutination idlula amazinga avamile.