Ukuhlolwa kwe-sweat bekuyi-test yokuzikhethela ekuhloleni i- cystic fibrosis (CF) kusukela ngo-1959. Izindlela ezintsha, ezifana nokuhlolwa kofuzo , zenzelwe kodwa ezimweni eziningi, ukuhlolwa kwe-sweat kuseyisivivinyo esiholela ku-CF ukuxilongwa. Ezinye izizathu zokuba nokuhlolwa kwe-sweat yizi:
- Umntwana uye wahlola ukuzalwa okusha kweCF
- Umuntu onanoma yimuphi ubudala unezimpawu zeCF
Okukwenzeka Ngesikhathi Sokuvivinya Umzimba
Isivivinyo sokujuluka sivame ukuqhutshwa ngaphambili, kepha singenziwa ethangeni lwezingane nezingane ezinezingalo ezincane.
- Isinyathelo sokuqala - Ukukhuthaza ukujula: I-technician izobeka ama-electrode amabili aqukethe izidakamizwa ezikhukhumeza okuthiwa i-pilocarpine esikhumbeni. Amandla kagesi amancane akhululwa ngama-electrodes ukusiza i-pilocarpine ivuse ukujuluka. Okwamanje akusizi ubuhlungu, kepha ukuzwa okuncane okukhipha kungase kuvezwe.
- Isinyathelo Sesibili - Ukuqoqa Isikhumba: Ngemva kwemizuzu engaba ngu-10, lochwepheshe uvimba okwamanje futhi ususe ama-electrodes. Isikhumba sisula some futhi uhlaka lwephepha lokuhlunga elimbozwe ngepulasitiki, ngezinye izikhathi elibizwa ngokuthi "i-sweat patch" lifakwa kwisayithi ukuqoqa isithukuthezi. Uma inani eligcwele lokuthuthumela liqoqiwe, ngokuvamile emaminithini angu-30 kuya ku-45, iphepha elikhukhumeziwe likhishwa futhi lithunyelwa ebhodini lokuhlola.
Iziphi izivivinyo ezijulayo Zifuna
Abantu abane-cystic fibrosis banamazinga aphakeme kasawoti, okuthiwa i-sodium chloride, ngokuthukuthuka kwabo.
I-sweat test ikala inani le-sodium ne-chloride ngokujuluka, kodwa inani le-chloride yisici esibonisa umphumela wokuhlolwa.
Ama-chloride Ranges ezinsaneni
- ngaphansi kuka-30 = evamile
- 30 - 59 = umngcele
- 60 noma ngaphezulu = okuhle ku-CF
Ama-Chloride Ranges ku-Children and Adult
- ngaphansi kuka-40 = evamile
- 40 - 59 = umngcele
- 60 noma ngaphezulu = enhle ku-CF ezinganeni, kodwa kungenzeka ukuthi ijwayelekile kubantu abadala. Uma umuntu omdala enomphumela oseduze nama-mm mm / litre angu-60, ukuhlolwa kofuzo kungenziwa ukuze kuqinisekiswe ukuthi kutholakala yini.
Ukuvivinya Kanjani Ukuvotela Okukuyo
Ukuhlolwa kwe-sweat kunembile engu-98%, kodwa ezinye izinto zingabangela imiphumela ukuthi ingalungile noma ayifanele.
- Amaphutha amanga: Izifo ezithile ezingavamile ezingakhipha ama-chloride amazinga aphezulu ngokuthukumeza, kodwa lezo zifo zinempawu ezihlukile kune-cystic fibrosis. Uma ukuhlolwa kwe-sweat kuveza imiphumela emihle kumuntu onempawu ezingavamile ku-CF, ukuhlolwa okunye kufanele kwenziwe ukuze kuqinisekiswe ukuthi kutholakala yini.
- Amanemanga amanga: Ngezinye izikhathi, umuntu one-cystic fibrosis uyoba nezinga elivamile le-chloride ekukhukhuleni kwakhe. Uma lokhu kwenzeka, ngokuvamile kungenxa yokuthi ukuthuthumela okwanele kunikeziwe kwisampula, noma ukuthuthumela kuhlanjululwe.
Amanga Angamanga Avame Ukubonwa Ngayo
- Izinsana ezingaphansi kwamasonto amabili ubudala noma ezilinganiselwe ngaphansi kwamakhilogremu angu-7 abangakwazi ukukhiqiza izithukuthuku ezanele.
- Abantu abanokuvuvukala kwezicubu kubangelwa ukugcinwa kwamanzi, okwaziwa ngokuthi i-edema, isithuthuku sakhe esingashuthukiswa ngezicubu zamanzi.
Umthombo
Mishra, A., Greaves, R., noMassie, J. "Ukubheka Ukuhlolwa Kwe-Sweat for the diagnosis of Cystic Fibrosis ku-Genomic Era". 2005. UmNyango weBliniki weBliniki 26 (4): 135-153. 20 Julayi 2008.