Newbubs New Resists Line Last Antibiotic Colistin

A chọtara nnukwu superbug a na-ekpo ọkụ na United States

N'oge ochichi ya, President Obama natara otutu ihe nfe maka inye iwu iwu. Otu iwu na-eme ka onyeisi oche nwee ike ịtọ ntọala n'emeghị ihe nnọchiteanya nke Congress na uru maka arụmụka ọha na eze.

Ọ bụ ezie na ụfọdụ n'ime iwu ndị isi ochichi ndị Obama kpatara akpata esemokwu na arụrịta ụka, a na-anabata ọtụtụ ndị ọzọ. Kpọmkwem n'afọ 2015, Obama nyere Mpempe Atụmatụ Mba maka Ịlụso Bacteria Na-eguzogide Antibiotic.

Dị ka ochichi Obama si kwuo, ebe a bụ ihe mgbaru ọsọ nke isi ụlọ ọrụ a:

  1. Mee ngwa ngwa nke nje bacteria na-eguzogide ọgwụ ma gbochie mgbasa nke ọrịa na-eguzogide ọgwụ.
  2. Mee ka Atụmatụ Nlekọta Nlekọta Ahụike Na-ahụ Maka Mba Na-ahụ Maka Ịlụso Iguzogide.
  3. Ọganihu na-aga n'ihu na iji Nyocha Nchọpụta Nchọpụta Ọhụrụ na Ọganihu Na-eme Nchọpụta maka Amapụta na Njirimara nke Bacteria Na-eguzogide.
  4. Mee ngwa ngwa ma tinye nyocha na mmepe maka ọgwụ nje ọhụrụ, ọgwụgwọ ndị ọzọ, na ọgwụ nje.
  5. Mee ka mmekorita na mmekorita nke mba uwa mekwuo maka ngbochi mgbochi nje, onyunyo, ichikota, na ihe omuma.

Iji nweta ihe mgbaru ọsọ ndị a, onyeisi oche ahụ rịọrọ enyemaka nke òtù dị iche iche, gụnyere Ngalaba Nchedo (DoD), Ngalaba Agriculture (USDA), na Ngalaba Ahụike na Ọrụ Ụmụaka (HHS). Na May 2016, ụlọ ọrụ a wepụtara akụkọ: mcr-1 E. coli chọpụtara na onye ọrịa na Walter Reed Medical Center na United States. Onye ọrịa a nwere ọrịa urinary ọrịa bụ nke nwere ike ịgwọ ọrịa ọzọ.

Colistin bụ ọgwụ na-adịgide adịgide iji chebe onwe anyị pụọ na ọrịa. Ọtụtụ ndị ọkachamara ahụ ike, ndị na-eme nchọpụta, na ndị na-agwọ ọrịa na-atụ ụjọ na ndị agha na-eguzogide oge ụfọdụ. Ọzọkwa, mcr-1 E. Coli nwere ike ịkwanye nje a na-eguzogide nje ndị ọzọ na-eji plasmids.

Gịnị mere ị ga-eji na-echegbu onwe gị banyere Ngbagide Antibiotic?

Kemgbe afọ 1928, site na iwebata penicillin, ọgwụ nje emeela ọtụtụ nde mmadụ n'ụwa nile. N'oge na-adịghị anya mgbe iwebata ọgwụ nje, a na-ahụ mmegide n'etiti ụfọdụ nje bacteria. N'ime afọ ndị na-adịbeghị anya, nkwụsị a enwewo ọganihu na nje bacteria na-eguzogide ọgwụ, ma ọ bụ superbugs , aghọwo ihe egwu dị ukwuu maka ahụike na nchebe ọha na eze.

CDC kwuru na ihe fọrọ nke nta ka ọ bụrụ nde mmadụ abụọ na-ebute ọrịa na-eguzogide ọgwụ na-eme kwa afọ na United States na-akpata ihe dị ka puku mmadụ 23,000.

Site na mgbawa na-adịbeghị anya na nguzogide multidrug , ọnụ ọgụgụ nke ọgwụgwọ ndị na-arụ ọrụ megide nje bacteria dị ntakịrị. Ọzọkwa, ọgwụ nje eme ihe na-emeso ndị na-eguzogide ọgwụ nwere ike ịdị oke ọnụ.

Kedu ihe bụ Colistin?

Colistin bụ otu mkpụrụ ọgwụ nje a maara dị ka polymyxins. Ụdị polymyxins abụọ dị: polymyxin B na polymyxin E. Colistin bụ polymyxin E na ihe ọtụtụ n'ime ha abụọ.

A na-eji Colistin mee ihe na mbụ n'afọ 1960; Otú ọ dị, a na-akwụsị ngwa ngwa nke onye ọrụ a n'ihi na ọ kpatara nnukwu neurotoxicity na nephrotoxicity. N'ikwu ya n'ụzọ ọzọ, ọkpụkpụ na-eme ka akwara na akụrụ mebiri, n'otu n'otu.

N'afọ ndị na-adịbeghị anya na nkwụsị nke nguzogide multidrug, anyị aghaghị ịmaliteghachi mkpịsị ụkwụ iji lụso nje bacteria ndị na-eguzogide ọgwụ nje ndị ọzọ. Ọkpụkpụ na-eme ka ọ dị irè kama ọ na-arụ ọrụ na ọrịa ole na ole, dịka P aeruginosa , ụdị Acinetobacter , na umu Klebsiella . N'iba ama, ụdị nje bacteria dị iche iche nwere ike ibute ọrịa nke ọbara (sepsis) na ọrịa nke oke ume (na oyi baa), ọrịa urinary tract, akpụkpọ anụ na ọnya ọrịa, yana ọrịa mgbe ịwa ahụ gasịrị. Tụkwasị na nke ahụ, nje bacteria ndị a na-ebunye ndị na-arịa ọrịa na-arịa ọrịa ma gbanwee usoro nchịkwa.

Ngbanwe nke Ngbagide Antibiotic site na Plasmids

Ihe na - eme ka nsogbu a na - eguzogide nsogbu nke E. Coli bụ na ọ nwere ike ịfefe ihe ọmụma gbasara mkpụrụ ndụ maka ịmegide nje ndị ọzọ site na plasmids (ya bụ, mcr-1 ma ọ bụ usoro mgbochi polymyxin na-akwado ya plasmid).

Dị ka a kọrọ na Lancet na November 2015, ndị na-eme nchọpụta Chinese bụ ndị mbụ na-achọpụta nnukwu ụlọ ọhụrụ a. Ndị nchọpụta ahụ chọpụtara nje bacteria ndị a na-eguzogide ọgwụ n'oge a na-eme nnyocha nyocha oge niile na-enyocha nguzogide antimicrobial n'etiti escherichia coli na- enweta ihe ndị sitere na ụmụ anụmanụ na nri.

N'ime oge dị n'etiti nchọpụta Chinese nke bacteria a na nje bacteria ndị a na-agbapụta na Walter Reed National Military Center, ebe ndị nchọpụta gọọmenti gọọmenti kwuru ya, a chọpụtawo nnukwu ụlọ a na ọtụtụ mba ndị ọzọ, nke pụtara na ọ gbasaa gburugburu ụwa.

Ọ bụ nke ọma, nnyocha nyochaa site na National Antimicrobial Resistance Monitoring System-mgbalị na-arụkọ ọrụ n'etiti USDA, Health and Human Services (HHS), na ngalaba dị iche iche na mpaghara mpaghara ahụike - na-egosi na nchịkọta nke E. coli na -adịghị eguzogide na-adịgide adịgide . Ọzọkwa, si Salmonella na Klebsiella , ndị ọzọ ụdị bacteria, adịghị egosi ihe àmà nke mcr-1 gene.

Ịnyefe ihe ọmụma mkpụrụ ndụ n'etiti nje bacteria dị mma. Ọ bụghị nanị na nje bacteria na-ebufe ozi ọmụma maka iguzogide mkpụrụ-nke a na-ekwu dịka ntanetị-ma nje bacteria nwekwara ike ịfefe ozi dị otú ahụ site na ntanetị nke ntanetị. N'ikwu ya n'ụzọ ọzọ, ọbụna mgbe e guzobere bacteria, ọ nwere ike ịchọta ihe ọmụma mkpụrụ ndụ sitere na nje bacteria ọzọ.

N'ikwu ya kpọmkwem, usoro a na-enyefe ihe ntanetị a na-agbanye site na plasmids, ma ọ bụ nnwere onwe na-ese onyinyo nke obere, okirikiri, DNA okpukpu abụọ, nke dị iche na DNA chromosomal cell. Plasmids nwere ihe ọmụma nke na-enye uru mkpụrụ ndụ ihe nketa na nje bacteria, dịka nguzogide ọgwụ nje. Site na mbufe uzo a na-agbanyeghị, a na-ebufe plasmid n'etiti nje bacteria.

K'anyị tinye nhazi nke mkpụrụ ndụ nke mkpụrụ ndụ ihe nro site na nyocha ((ma ọ bụ nke a). Were ya na ị nọ na nnọkọ oriri ọzọ ma onye ọzọ enwere ike ịjụ cyanide. Enwere ike ime ihe a na mkpụrụ ndụ ya, a ga-enyefe ya ụmụ ya. Tụkwasị na nke a, enwere ike ịnyefe onye ọzọ ikike a site n'inweta obere mmanya ya. Tupu ị mara ya, onye ọ bụla na-anapụ ya ihe ọṅụṅụ ya. Ọzọkwa, ndị ọzọ na-eme mkpọtụ na nnọkọ ahụ nwere ngwakọta nke onwe ha nke na-egbu egbu, nke ha onwe ha na-ekere òkè na ndị ọzọ site na nke onwe ha. Tupu ị mara ya, ụfọdụ ndị na-aga oriri na ụzụ ejiriwo ụyọkọ nke mgbochi ndị na-enyere ha aka ịlụ ọgụ dịgasị iche iche.

Mmechi

Egwu dị adị nke ndị na-eguzogide ndị na-edozi ahụ nwere ike ịdị na-enwe nchekasị. Dịka otu onye, ​​ị nwere ike ime akụkụ gị iji kwụsị njide ọgwụ nje site na iji ọgwụ nje mee naanị mgbe ị chọrọ. I kwesịkwara ijide n'aka na ị mezue usoro ọgwụ nje gị dum, ebe ọ bụ na nkwụsị akaghị aka na-akwalite uto nke nsogbu ndị na-eguzogide ọgwụ. N'ikpeazụ, n'ihi na mcr-1 E. Coli na nje bacteria ndị ọzọ nwere ike ịchọta anụ na anụ ọkụkọ, ọ bụ mgbe niile ka ọ dị mma ịkwadebe ihe oriri gị tupu ejiri nri.

Isi mmalite:

Bhalodi A, Nicolau DP. Ụkpụrụ nke Antimicrobial Medicinal na Clinical Pharmacology of Antimicrobial Drugs. Na: Ụlọ Nzukọ JB, Schmidt GA, Kress JP. eds. Ụkpụrụ nke nlekọta ntụrụndụ, 4e . New York, NY: McGraw-Hill; 2015. Nabata 29, 2016.

Carroll KC, Hobden JA, Miller S, Morse SA, Mietzner TA, Detrick B, Mitchell TG, McKerrow JH, Sakanari JA. Mkpụrụ ụbụrụ Genetics. Na: Carroll KC, Hobden JA, Miller S, Morse SA, Mietzner TA, Detrick B, Mitchell TG, McKerrow JH, Sakanari JA. eds. Jawetz, Melnick, & Adelberg's Medical Microbiology, 27e . New York, NY: McGraw-Hill; 2015. Nabata 29, 2016.

Liu, Yi-Yun et al. Mpụpụta nke MCR-1 usoro nkwụsị nke plasmid na-akwado ndị mmadụ na ụmụ mmadụ nọ na China: ọmụmụ ihe ọmụmụ ụmụ mmadụ na ọmụmụ ihe ọmụmụ. Ọrịa Na-arịa Ọrịa Lancet , Mpịakọta nke 16, Esemokwu 2, 161 - 168.

Ram S, Rice PA. Isi nke 144. Ọrịa Gonococcal. Na: Longo DL, Fauci AS, Kasper DL, Hauser SL, Jameson J, Loscalzo J. eds. Ụkpụrụ Harrison nke Ọgwụ Mgbochi Ọgwụ, 18e . New York, NY: McGraw-Hill; 2012. Ịbanye na October 25, 2014.