Plasma e Tsoang ho Batho ba Folileng ho COVID-19 e ka Thusa Bakuli ba Hona Joale

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Avatar ea Linda Hohnholz
ngotsoeng ke Linda Hohnholz

Ho tšeloa ha plasma ea mali e fanoeng ke batho ba seng ba folile tšoaetsong ea vaerase ea seoa ho ka thusa bakuli ba bang ba sepetlele ka COVID-19, phuputso e ncha ea machabeng e bonts'a.          

Kalafo e, e tsejoang e le convalescent plasma, e ntse e nkoa e le liteko ke US Food and Drug Administration (FDA). Plasma e na le li-antibodies, liprotheine tsa mali tseo e leng karolo ea sesole sa 'mele. E bōpehile hore ba khone ho hokela ho kokoana-hloko e bakang COVID-19, SARS-CoV-2, li-antibodies tse glom le ho e tšoaea hore e tlosoe 'meleng, bafuputsi ba re.

E etelletsoe pele ke bafuputsi ba NYU Grossman School of Medicine, boithuto bo bonts'itse hore har'a banna le basali ba 2,341, ba fumaneng ente ea convalescent plasma hang kamora ho kena sepetlele ba ne ba le tlase ho 15% ho shoa nakong ea khoeli ho tloha COVID-19 ho feta ba sa kang ba shoa. fumana plasma ea pholiso kapa ba fumaneng placebo e sa sebetseng ea letsoai.

Ka ho hlakileng, bafuputsi ba fumane hore melemo e meholo ea phekolo e ne e le har'a bakuli ba kotsing e kholo ea mathata a tebileng ka lebaka la maemo a neng a le teng pele, a kang lefu la tsoekere kapa lefu la pelo. Kalafo, e nang le li-antibodies le lisele tse ling tsa 'mele tsa ho itšireletsa mafung tse hlokahalang ho loantša tšoaetso, e boetse e bonahala e thusa ba nang le mali a mofuta oa A kapa AB.

Liphuputso tsa hajoale tsa boithuto, tse hatisitsoeng koranteng ea JAMA Network Open online Jan. 25, li tsoa ho kopantseng tlhahisoleseling ea mokuli ho tsoa lithutong tse robeli tse sa tsoa phethoa United States, Belgium, Brazil, India, Netherlands le Spain mabapi le litlamorao tsa pholiso. plasma bakeng sa COVID-19.

Melemo ena ea kalafo e kanna ea hlaka ha lintlha tse ngata tsa liteko li ntse li fumaneha, ho bolela Troxel, moprofesa Lefapheng la Bophelo ba Baahi NYU Langone. Sena ke hobane lintlha tse tsoang litekong tsa motho ka mong li nyane haholo ho bonts'a phello e akaretsang ea kalafo ho lihlopha tse nyane tsa bakuli, o re. Liphuputso tse ling li bontšitse hore phekolo ha e sebetse kapa e na le boleng bo fokolang.

Mofuputsi-'moho le eena Eva Petkova, PhD, o re sehlopha se sebelisa lintlha tsa sona tsa boithuto ho theha sistimi ea lintlha tsa litlhaloso tsa mokuli, ho kenyeletsoa lilemo, boemo ba COVID-19, le mafu a teng 'moho, ho nolofalletsa lingaka ho bala hore na ke mang ea emeng. ho rua molemo haholo tšebelisong ea plasma ea convalescent.

Bakeng sa boithuto, bafuputsi ba ile ba hlophisa lintlha tsohle tsa mokuli ho tsoa liphuputsong tse nyane, tse arohaneng tsa kliniki mabapi le kalafo ea plasma ea convalescent, ho kenyeletsoa liteko ho NYU Langone, Albert Einstein College of Medicine le Montefiore Medical Center, Zuckerberg San Francisco General Hospital, le Univesithi ea Pennsylvania e Philadelphia. Bafuputsi ba tšepile hore melemo kapa bofokoli bofe kapa bofe kalafong e tla ba bonolo ho bona har'a sampole e kholo ka ho fetisisa ea bakuli. Liteko tsohle li ne li laoloa ebile li laoloa, ho bolelang hore mokuli o ne a e-na le monyetla o sa tloaelehang oa ho abeloa ho amohela plasma ea convalescent kapa ho se e fumane.

E kenyellelitsoe tlhahlobisong e ne e le datha e tsoang phuputsong e 'ngoe e fapaneng ea Amerika e phatlalalitsoeng ka thoko ka December 2021 ho JAMA Internal Medicine. Phuputso eo ho bakuli ba 941 ba sepetlele ka COVID-19 e bonts'itse hore bakuli ba fumanang litekanyetso tse phahameng tsa kalafo ea plasma ea convalescent eseng meriana e meng, joalo ka remdesivir kapa corticosteroids, ba kanna ba rua molemo kalafong ea plasma ea mali. Mofuputsi-'moho le eena oa thuto ea ka sehloohong Mila Ortigoza, MD, PhD, motlatsi oa moprofesa Lefapheng la Meriana le Microbiology ho NYU Langone, o re liphetho tsena tsa pele li tšehetse khopolo ea hore convalescent plasma e ka ba khetho e ka khonehang ea phekolo, haholo-holo ha mekhoa e meng ea phekolo e e-s'o be teng. e fumaneha, joalo ka qalong ea seoa.

Ntle le moo, plasma ea convalescent e bokelletsoeng ho tsoa ho bafani ba neng ba tšoaelitsoe pele ba ileng ba entoa (VaxPlasma) e ne e tla ba le li-antibodies ka bongata bo lekaneng le mefuta e fapaneng e ka fanang ka ts'ireletso e eketsehileng khahlano le mefuta e fapaneng ea vaerase e hlahang, ho bolela Ortigoza. Hangata livaerase li fetoha liphatsa tsa lefutso (ho fumana liphetoho tse sa reroang ho DNA kapa likhoutu tsa RNA) nakong ea seoa sefe kapa sefe. Ka lebaka lena, plasma ea convalescent e na le monyetla oa ho fana ka kalafo e sebetsang kapele ka mor'a liphetoho tse joalo ho feta mefuta ea kalafo e atisang ho se sebetse hantle ha nako e ntse e ea 'me e tlameha ho etsoa ts'ebetso ea boqapi bo bocha ho sebetsana le mofuta o mocha, joalo ka kalafo ea monoclonal antibody.

 

Mabapi le mongoli

Avatar ea Linda Hohnholz

Linda Hohnholz

Mohlophisi e ka sehloohong bakeng sa eTurboNews e thehiloe ho eTN HQ.

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