Nitric Oxide yog dab tsi?
Nitric oxide yog ib qho roj uas tsim los ntawm cov cell uas koom nrog kev o ntawm cov kab mob ua xua lossis eosinophilic hawb pob.
FeNO yog dab tsi?
Kev kuaj Fractional exhaled Nitric Oxide (FeNO) yog ib txoj hauv kev los ntsuas qhov ntau ntawm nitric oxide hauv kev ua pa tawm. Qhov kev kuaj no tuaj yeem pab nrog kev kuaj mob hawb pob los ntawm kev qhia qib ntawm kev o hauv lub ntsws.
Kev Siv Tshuaj ntawm FeNO
FeNO tuaj yeem muab ib qho kev pabcuam tsis yog kev phais rau kev kuaj mob hawb pob thawj zaug nrog ATS thiab NICE pom zoo nws ua ib feem ntawm lawv cov lus qhia tam sim no thiab cov txheej txheem kuaj mob.
| Cov neeg laus | Cov menyuam yaus | |
| ATS (2011) | Siab: >50 ppb Nruab Nrab: 25-50 ppb Qis: <25 ppb | Siab: >35 ppb Nruab Nrab: 20-35 ppb Qis: <20 ppb |
| GINA (2021) | ≥ 20 ppb | |
| ZOO (2017) | ≥ 40 ppb | >35 ppb |
| Kev Pom Zoo ntawm Scotland (2019) | >40 ppb cov neeg mob uas tsis tau muaj ICS >25 tus neeg mob ppb uas noj ICS |
Cov Lus Luv: ATS, American Thoracic Society; FeNO, fractional ex- haled nitric oxide; GINA, Global Initiative for Asthma; ICS, inhaled corticosteroid; NICE, National Institute for Health and Care Excellence.
Cov lus qhia ntawm ATS txhais cov FeNO siab, nruab nrab, thiab qis rau cov neeg laus li >50 ppb, 25 txog 50 ppb, thiab <25 ppb, raws li. Thaum cov menyuam yaus, cov FeNO siab, nruab nrab, thiab qis yog piav qhia tias >35 ppb, 20 txog 35 ppb, thiab <20 ppb (Rooj 1). ATS pom zoo kom siv FeNO los txhawb kev kuaj mob ntsws hawb pob qhov twg xav tau pov thawj tseeb, tshwj xeeb tshaj yog hauv kev kuaj mob eosinophilic o. ATS piav qhia tias cov FeNO siab (>50 ppb rau cov neeg laus thiab >35 ppb rau cov menyuam yaus), thaum txhais lus hauv cov ntsiab lus kho mob, qhia tias eosinophilic o muaj nrog corticosteroid teb rau cov neeg mob cov tsos mob, thaum cov qib qis (<25 ppb rau cov neeg laus thiab <20 ppb rau cov menyuam yaus) ua rau qhov no tsis zoo li yuav tshwm sim thiab cov qib nruab nrab yuav tsum tau txhais lus nrog kev ceev faj.
Cov lus qhia NICE tam sim no, uas siv cov qib FeNO qis dua li ATS (Rooj 1), pom zoo kom siv FeNO ua ib feem ntawm kev kuaj mob qhov twg kev kuaj mob hawb pob raug txiav txim siab rau cov neeg laus lossis qhov twg muaj kev tsis paub meej txog kev kuaj mob hauv cov menyuam yaus. Cov qib FeNO raug txhais dua hauv cov ntsiab lus kho mob thiab kev kuaj ntxiv, xws li kev kuaj mob bronchial provocation yuav pab kuaj mob los ntawm kev ua kom pom kev ua pa tsis taus. Cov lus qhia GINA lees paub lub luag haujlwm ntawm FeNO hauv kev txheeb xyuas eosinophilic o hauv hawb pob tab sis tam sim no tsis pom lub luag haujlwm rau FeNO hauv cov txheej txheem kuaj mob hawb pob. Scottish Consensus txhais cov kev txiav tawm raws li kev raug tshuaj steroid nrog cov nqi zoo ntawm >40 ppb hauv cov neeg mob uas tsis tau siv tshuaj steroid thiab >25 ppb rau cov neeg mob ntawm ICS.
Lub sijhawm tshaj tawm: Lub Peb Hlis-31-2022