Uvavanyo lwe-FeNO luvavanyo olungangenisi gazi olulinganisa ubungakanani begesi ye-nitric oxide ephefumlweni lomntu. I-nitric oxide yigesi eveliswa ziiseli ezikwimiphetho yeendlela zomoya kwaye luphawu olubalulekileyo lokudumba kwendlela yomoya.
Uvavanyo lwe-FeNO lufumanisa ntoni?
Olu vavanyo luluncedo ekuxilongeni isifo sesifuba xa iziphumo zovavanyo lwe-spirometry zingacacanga okanye zibonisa ukuxilongwa okusemdeni. Uvavanyo lwe-FeNO lunokufumanisa ukudumba kwimigudu yomoya esezantsi, kuquka ne-bronchioles, kwaye lujonge inkqubela phambili yonyango. Olu hlobo lokudumba lubangelwa ngamanqanaba aphezulu kunesiqhelo eeseli ezimhlophe zegazi (ii-eosinophils) kwimiphunga yakho. Ngokwesiqhelo ziya kubizwa ukuba zikhusele kwiintsholongwane zokuphefumla, kodwa kwisifo sesifuba esibangelwa yi-allergy le mpendulo iyandiswa kwaye ayilawuleki nto leyo ekhokelela ekudumbeni okungapheliyo.
Uvavanyo lwe-FeNO lwenziwa njani?
Ngexesha lovavanyo lwemiphunga, isigulana sikhupha umoya singene kwisixhobo esilinganisa uxinano lwe-nitric oxide ekuphefumleni kwaso. Uvavanyo luthatha imizuzu embalwa kuphela ukwenza kwaye lulula kwaye alunantlungu. Xa iziphumo zovavanyo zihlalutywa, amanqanaba aphezulu e-nitric oxide abonisa ukuba kukho i-asthma. Iziphumo zingasetyenziselwa ukwahlula phakathi kweentlobo ezahlukeneyo zokudumba komoya, njengoko amanqanaba aphezulu e-FeNO enxulunyaniswa neemeko eziquka i-allergy rhinitis, i-COPD, kunye ne-cystic fibrosis. Ingabonisa ukusetyenziswa kwe-corticosteroid inhaler ukunciphisa ukudumba nokusombulula ukudumba komoya. Ngokwesiqhelo inani lamasuntswana kufuneka libe ngaphantsi kwe-25 yeenxalenye kwibhiliyoni nganye.
Yintoni Endifanele Ndiyiphephe Ukuyitya?
Ngaphandle kokuphepha ukutya nokusela iyure enye ngaphambi kovavanyo lwakho lwe-FeNo, uluhlu lwezinto ezithile akufuneki zityiwe ngosuku lovavanyo lwakho kuba zinokutshintsha iziphumo. Olu luhlu lubanzi luquka oku kulandelayo:
Ndingayilungiselela njani iFeNo Test?
Kuvavanyo lwe-FeNo sifuna ukulinganisa isuntswana legesi elibuthathaka kakhulu, ngoko ke siza kukucela ukuba uqaphele ngakumbi into oyifaka emzimbeni wakho ngaphambi kovavanyo. Nceda ungatyi naluphi na ukutya okanye isiselo kangangeyure enye ngaphambi kovavanyo. Siza kukucela nokuba ungatyi naluphi na uhlobo oluthile lokutya neziselo ngomhla wovavanyo lwakho, kuba zinokutshintsha amanqanaba ale gesi ekuphefumleni kwakho.
Ixesha lokuthumela: Agasti-11-2025