Tun daga farkon cutar ta COVID-19 fiye da shekaru 2 da suka gabata, masu ba da numfashi na N95 sun taka muhimmiyar rawa a cikin kayan kariya na sirri (PPE) na ma'aikatan kiwon lafiya a duniya.
Wani bincike na 1998 ya nuna cewa Cibiyar Tsaro da Lafiya ta Kasa (NIOSH) ta amince da abin rufe fuska na N95 ya iya tace kashi 95 cikin 100 na barbashi na iska, duk da cewa bai gano kwayar cutar ba. abin rufe fuska yana ƙayyade ikonsa na tace barbashi na iska.
Yanzu, wata ƙungiyar bincike daga Jami'ar Monash a Ostiraliya ta ce mashin N95 masu dacewa da aka gwada tare da tsarin tacewa HEPA mai ɗaukar hoto yana ba da mafi kyawun kariya daga ƙwayoyin ƙwayoyin cuta.
A cewar babban marubucin Dokta Simon Joosten, Babban Jami'in Nazarin Kiwon Lafiya na Jami'ar Monash da Monash Health Respiratory da Likitan Magungunan Barci, binciken yana da manyan manufofi guda biyu.
Na farko shine "kididdige yawan kamuwa da cutar da mutane ke kamuwa da cutar iska yayin da suke sanye da nau'ikan abin rufe fuska daban-daban da kuma garkuwar fuska, riguna da safar hannu".
Don binciken, ƙungiyar ta auna kariyar da abin rufe fuska na tiyata, abin rufe fuska na N95, da mashin ɗin N95 masu dacewa.
Masks na tiyata da za a iya zubarwa suna kare mai sanye daga manyan ɗigon ruwa. Yana kuma taimakawa wajen kare majiyyaci daga numfashin mai sawa.
Abubuwan rufe fuska na N95 sun dace da fuska fiye da abin rufe fuska.Yana taimaka hana mai sa numfashi numfashi a cikin kananan barbashi na iska, kamar ƙwayoyin cuta.
Saboda siffar fuskar kowa ta bambanta, ba duka masu girma da nau'ikan abubuwan rufe fuska na N95 suka dace da kowa ba. Hukumar Kula da Tsaro da Lafiya ta Amurka (OSHA) tana ba da tsarin gwaji mai dacewa inda masu daukar ma'aikata ke taimaka wa ma'aikatan su sanin wane nau'in abin rufe fuska na N95 ke ba da mafi kyawun kariya.
Ya kamata abin rufe fuska na N95 wanda aka gwada shi ya dace daidai, a ƙarshe yana samar da “hatimi” tsakanin gefen abin rufe fuska da fuskar mai sawa.
Dokta Joosten ya gaya wa MNT cewa baya ga gwada abin rufe fuska daban-daban, ƙungiyar tana son tantance ko amfani da matatun HEPA mai ɗaukar hoto na iya haɓaka fa'idodin kayan aikin kariya na mutum don kare mai saye daga kamuwa da cutar iska.
Babban Haɓaka Ƙarfafawar iska (HEPA) tana cire 99.97% na kowane barbashi na iska mai girman microns 0.3.
Don binciken, Dokta Joosten da tawagarsa sun sanya ma'aikacin lafiya, wanda kuma ya shiga cikin saitin gwaji, a cikin dakin da aka rufe na tsawon minti 40.
Yayin da suke cikin ɗakin, mahalarta ko dai sun sa PPE, ciki har da safofin hannu guda biyu, riga, garkuwar fuska, da ɗaya daga cikin nau'ikan abin rufe fuska guda uku - tiyata, N95, ko gwajin gwajin N95. A cikin gwaje-gwajen sarrafawa, ba sa sawa. PPE, kuma ba su sanya abin rufe fuska ba.
Masu binciken sun fallasa ma'aikatan kiwon lafiya zuwa wani nau'in nebulized na phage PhiX174, ƙwayar cuta mara lahani da aka yi amfani da ita a cikin gwaje-gwajen saboda ƙananan ƙwayoyin halittarta.
Bayan kowane gwaji, masu binciken sun dauki swab na fata daga wurare daban-daban a jikin ma'aikacin lafiyar, ciki har da fatar da ke karkashin abin rufe fuska, ciki na hanci, da kuma fatar da ke gaba, wuya da goshi, an yi gwajin sau 5 fiye da 5. kwanaki.
Bayan nazarin sakamakon, Dokta Joosten da tawagarsa sun gano cewa lokacin da ma'aikatan kiwon lafiya suka sanya abin rufe fuska na tiyata da kuma abin rufe fuska N95, suna da adadin kwayar cutar a cikin fuskokinsu da hancinsu. aka sawa.
Bugu da ƙari, ƙungiyar ta gano cewa haɗuwa daHEPA tacewa, Gwaje-gwaje masu dacewa N95 masks, safar hannu, riguna da garkuwar fuska sun rage adadin ƙwayoyin cuta zuwa matakan kusan sifili.
Dokta Joosten ya yi imanin cewa sakamakon wannan binciken yana taimakawa wajen tabbatar da mahimmancin haɗakar da gwajin N95 masu dacewa tare da tace HEPA ga ma'aikatan kiwon lafiya.
"Ya nuna cewa idan aka hada da matatar HEPA (musayen matattarar iska 13 a cikin sa'a daya), wucewa gwajin N95 na iya kare kariya daga iska mai yawa," in ji shi.
"[Kuma] yana nuna cewa tsarin da aka tsara don kare ma'aikatan kiwon lafiya yana da mahimmanci kuma tace HEPA na iya haɓaka kariya ga ma'aikatan kiwon lafiya a cikin waɗannan saitunan."
MNT ta kuma yi magana da Dokta Fady Youssef, ƙwararren likitan huhu, likita da kuma ƙwararrun kulawa a Cibiyar Kiwon Lafiya ta MemorialCare Long Beach a Long Beach, California, game da binciken. Ya ce binciken ya tabbatar da mahimmancin gwajin dacewa.
"Sannun nau'ikan nau'ikan nau'ikan kayan masarufi da nau'ikan abin rufe fuska na N95 suna buƙatar takamaiman gwajin nasu - ba girman-ɗaya-duka ba," in ji Dokta Youssef.Idan kana sanye da abin rufe fuska wanda bai dace da kai ba, yana yin kadan don kare ka. ”
Game da kari našaukuwa HEPA tace, Dr. Youssef ya ce, lokacin da dabarun rage sauye-sauyen biyu suka yi aiki tare, yana da ma'ana cewa za a sami babban aiki tare da tasiri sosai.
"[Yana] yana ƙara ƙarin shaida […] don tabbatar da cewa akwai matakai da yawa na dabarun ragewa don kula da marasa lafiya da cututtukan iska don ragewa da fatan kawar da fallasa ga ma'aikatan kiwon lafiya waɗanda ke kula da su," in ji shi.
Masana kimiyya sun yi amfani da hangen nesa na Laser don gwada irin nau'in garkuwar fuska na gida wanda ya fi dacewa don hana watsa numfashi ta iska…
Babban alamun COVID-19 sune zazzabi, bushewar tari da gajeriyar numfashi.Ƙara koyo game da wasu alamomi da sakamakon da ake sa ran a nan.
Kwayoyin cuta sun kusan ko'ina, kuma suna iya kamuwa da kowace kwayar halitta. Anan, ƙarin koyo game da ƙwayoyin cuta, yadda suke aiki, da yadda ake samun kariya.
Kwayoyin cuta irin su novel coronavirus suna da saurin yaduwa, amma akwai matakai da yawa da cibiyoyi da daidaikun mutane za su iya ɗauka don iyakance yaduwar waɗannan ƙwayoyin cuta.
Lokacin aikawa: Mayu-21-2022