Methylene blue pa agalu: ntchito zake, chitetezo, ndi nthawi yoimbira dokotala wa ziweto

Galu akumwa madzi abuluu kuchokera mu thanki ya nsomba yomwe yangoikidwa mankhwala. Mwiniwake awerenga kuti methylene blue imathetsa vuto la magazi ndipo akuganiza ngati dontho lochokera m’botolo la mankhwala a nsomba lingathandize galu wodwala kunyumba. Zochitika zonsezi zikukhudza utoto womwewo. Palibe mwa izi chomwe chiyenera kukhala chisankho chochizira kunyumba.

Kusamvetsetsaku kumachokera posakaniza zinthu ziwiri zomwe zili ndi dzina limodzi. Choyamba ndi njira ya kuchipatala: dokotala wa ziweto amapereka mlingo woyezedwa kudzera mumtsempha wa magazi chifukwa cha vuto linalake ladzidzidzi la magazi, kenako amayang’anira magazi kwa masiku angapo. Chachiwiri ndi kumeza utoto: galu wameza kuchuluka kosadziwika kwa utoto kuchokera mu thanki, m’madzi ovomikiramo nsomba, kapena mu piritsi. Choyamba chiyenera kuchitikira kuchipatala. Chachiwiri chimafuna kuyimbira dokotala wa ziweto. Nkhaniyi imasiyanitsa zinthu zimenezi, imafotokoza chifukwa chake palibe tchati chotetezeka cha mlingo woperekera agalu kunyumba, ndipo imapereka tebulo lotengera kuchipatala.

Zimene madokotala a ziweto amaigwiritsira ntchito kwenikweni

Ntchito yake yovomerezeka pa agalu ndi yochepa: methemoglobinemia yoyambitsidwa ndi chinthu choyambitsa oxidation, yomwe ili yaikulu mokwanira kuti ifune chithandizo. Hemoglobin yabwinobwino imanyamula mpweya wa oxygen chifukwa chitsulo chake chimakhala mumkhalidwe wa ferrous, wochepetsedwa ndi kulandira ma elekitironi. Zinthu zoyambitsa oxidation zimasintha chitsulochi kukhala mumkhalidwe wa ferric, n’kupanga methemoglobin, yomwe siitha kunyamula oxygen. Nkhama za galu zingaoneke zabuluu kapena zotuwa, pamene magazi ake amasanduka abulauni ngati chokoleti.

Mkati mwa selo lofiira la magazi, methylene blue ingachepetsedwe kukhala leucomethylene blue, yomwe imabwezera ma elekitironi ku chitsulo chomwe chachitidwa oxidation ndi kubwezeretsa hemoglobin yogwira ntchito. Imeneyi ndiyo njira yomwe imathandizira pochiza. Ikufotokoza chifukwa chake mankhwalawa amathandiza pokhapokha ngati vuto ndi methemoglobin yochuluka kwambiri. Sathandiza pa kuchepa kwa magazi kwanthawi zonse, kuchepa kwa oxygen chifukwa cha matenda a mapapo, kapena poizoni amene sakukhudza methemoglobin.

Zinthu zomwe nthawi zambiri zimayambitsa vutoli mwa agalu ndi acetaminophen, nitrate kapena nitrite, benzocaine ndi mankhwala ena ofanana omwe amayambitsa oxidation, ndiponso nthawi zina kuvulala chifukwa cha oxidation yokhudzana ndi anyezi kapena adyo. Pa acetaminophen, chithandizo chachikulu ndi kuchotsa poizoni pamodzi ndi N-acetylcysteine, ndipo methylene blue ndi chithandizo chowonjezera pamene methemoglobin ili mbali yaikulu ya vutolo, monga momwe malangizo a Merck okhudza poizoni wa mankhwala ochepetsa ululu amafotokozera. Pa anyezi ndi adyo, chithandizo chachizolowezi ndi kuchotsa poizoni, kupereka oxygen ndi kuthandiza ndi kuikidwa magazi, ndiponso kupereka madzi, chifukwa kuvulala kwakukulu ndi kuwonongeka kwa maselo ofiira a magazi kokhudzana ndi matupi a Heinz komwe kumaonekera patapita masiku, osati methemoglobin yokha. Kugwiritsa ntchito pa galu njira ya nitrate yopangira nyama zobwezeretsa chakudya kuti zizitafunenso kungakhale koopsa, chifukwa ng’ombe zimapirira milingo yomwe imavulaza agalu, mfundo yomwe mabuku a ziweto okhudza nitrate amanena momveka bwino.

Ntchito zina ziwiri ziyenera kusiyanitsidwa bwino. Kubaya utoto pafupi ndi chotupa kuti apeze mfundo yoyamba yolandira madzi a lymph ndi ntchito ya utoto pothandiza njira yochizira khansa mwa agalu, osati chithandizo cha thupi lonse. Kugwiritsa ntchito poyesera pa kugwa kwa kayendedwe ka magazi chifukwa cha kusagawa bwino magazi kapena kulephera kwa mitsempha kukhwinyata, pamene utotowo umaperekedwa kuti uchepetse zizindikiro zotumizidwa ndi nitric oxide, kukufufuzidwabe mwa agalu. Kafukufuku wa 2026 wokhudza kupatutsa kayendedwe ka magazi mwa agalu akunena momveka bwino kuti palibe umboni wa kuchipatala cha ziweto wotsimikizira ntchito imeneyi pa vutoli, ndipo milingo ikuluikulu m’mayesero inasokoneza kwambiri kuthamanga kwa magazi ndi ntchito ya mtima. Choncho, kufotokoza koona ndi kwakuti pali ntchito imodzi yovomerezeka, ntchito imodzi ya utoto pothandiza njira ya kuchipatala, ndipo zina zonse ndi zoyesera. Malangizo a thanki ya nsomba, njira zochizira anthu, ndi ntchito zopaka utoto mu labotale siziyenera kugwiritsidwa ntchito pa agalu.

Chifukwa chake palibe tchati cha mlingo woperekera kunyumba

Zotsatira zakusaka zimalonjeza tchati cha mlingo wa methylene blue wa agalu. Pa mankhwalawa, tchati sichingakhale chida choyenera, chifukwa kusiyana pakati pa mlingo wotetezeka ndi woopsa ndi kochepa, kuyang’anira galu ndi mbali ya chithandizo, ndipo nambala yokha siyipangitsa chisankho kukhala chotetezeka.

Mabuku ofalitsidwa a ziweto ambiri amatchula 1 mpaka 1.5 mg pa kg, yoperekedwa pang’onopang’ono kudzera mumtsempha wa magazi monga madzi a mankhwala okhala ndi gawo limodzi mwa zana, kamodzi, pa methemoglobinemia. Nkhani ya Merck yokhudza poizoni wa mankhwala ochepetsa ululu imatchula milingo imeneyi ndi kuipereka kwa mphindi zingapo. Mabuku ofotokoza mankhwalawa a ziweto amanena za mlingo umodzi woperekedwa pang’onopang’ono, ndi kuyang’anira magazi kwa masiku atatu mpaka anayi, ndipo amafotokoza kuchepa kwa magazi koopsa kofuna kuikidwa magazi pa mlingo pafupifupi 5 mg pa kg. Mlingo wopaka utoto pa opaleshoni wa mtundu wa m’zaka za m’ma 1970s, wapafupi ndi 3 mg pa kg, unayambitsa kuchepa kwa magazi komwe kunaonekera mochedwa, ndipo pa chochitika chimodzi, kuvulala kwa impso komwe kunapha galu pambuyo pa kuwonongeka kwa maselo ofiira a magazi. Kusiyana pakati pa kuthandiza ndi kuvulaza ndi kochepa.

Nambala imeneyo imayankhanso mafunso ochepa kuposa momwe zimaonekera. Sikunena ngati methemoglobin ilipodi, ngati choyambitsa vutolo chimayankha mankhwalawa, mankhwala ena amene galu akumwa, kapena ngati impso ndi maselo ofiira a magazi zingapirire chinthu choyambitsa oxidation. Tchati sichingayeze methemoglobin pogwiritsa ntchito co-oximetry, sichingayang’ane magazi opakidwa pagalasi ngati ali ndi matupi a Heinz, ndipo sichingayang’anire kutsika kwa hematocrit patapita masiku atatu. Kuchipatala angathe. N’chifukwa chake tebulo ili pansipa limatchula milingo ngati mfundo za kuchipatala zokambirana ndi dokotala wa ziweto, osati ngati malangizo. Musapereke methylene blue kunyumba, musasinthe mankhwala a thanki ya nsomba kukhala mlingo wa galu, ndipo musagwiritse ntchito malangizo a mankhwala a anthu, monga malangizo operekera PROVAYBLUE, ngati kalozera wa mlingo.

Chodabwitsa chake: chothetsa poizoni komanso choyambitsa oxidation nthawi imodzi

Ganizirani methylene blue ngati zinthu ziwiri m’botolo limodzi. Ikaperekedwa pang’ono, pang’onopang’ono, moyang’aniridwa, ndipo machitidwe a ma enzyme a reductase akugwira ntchito, imathandiza kuchepetsa oxidation ndi kuchepetsa methemoglobin. Ikalowa m’thupi mochuluka, kapena chitetezo cha maselo ofiira a magazi chikalephera, imakhala chinthu choyambitsa oxidation ndipo imayambitsa kuvulala komwe inali kuperekedwa kuti ikonze: methemoglobin yowonjezereka, matupi a Heinz, kuwonongeka kwa nembanemba za maselo, ndi kuwonongeka kwa maselo ofiira a magazi.

Zotsatira zotsutsanazi zimadalira mlingo ndipo zimaonekera mochedwa. Kuchepa kwa magazi kungaonekere masiku atatu mpaka anayi pambuyo popereka mlingo, n’chifukwa chake mabuku amaumirira kufufuza magazi potsatira chithandizo ngakhale galu ataoneka kuti akupeza bwino pasanathe theka la ola. Kuwonongeka koopsa kwa maselo ofiira a magazi kungatulutse hemoglobin m’madzi a magazi ndi mumkodzo ndi kuvulaza impso. Milingo ikuluikulu yoperekedwa kudzera mumtsempha wa magazi m’kafukufuku wa agalu inawonjezera methemoglobin mkati mwa mphindi imodzi m’malo moichepetsa.

Kuyanjana kuwiri kumafuna chisamaliro chapadera. Methylene blue ndi yoletsa mwamphamvu ntchito ya monoamine oxidase, ndipo kuletsako kungasinthidwe. Malangizo ake kwa anthu ali ndi chenjezo loikidwa m’bokosi lokhudza vuto la serotonin ikaphatikizidwa ndi mankhwala omwe amakhudza serotonin. Pa galu, mbiri yoyenera kudziwa imaphatikiza trazodone, fluoxetine ndi mankhwala ena oletsa kutengedwanso kwa serotonin, clomipramine, selegiline, ndi mankhwala monga tramadol. Zizindikiro zimaphatikiza kusakhazikika kapena kusintha kwa kuzindikira, kutentha kwambiri kwa thupi, kugunda mofulumira kwa mtima kapena kuthamanga kwa magazi kosakhazikika, kunjenjemera, kuuma kwa minofu, kusagwirizana kwa mayendedwe a thupi, ndi kukomoka ndi kugwedezeka. Chenjezo lamphamvuli limachokera makamaka ku umboni wa anthu, choncho kuchuluka kwa zochitika mwa agalu sikudziwika bwino, koma mbiri ya mankhwala iyenera kuperekedwa pa foni iliyonse yoyesa kuopsa kwa vutolo.

Mtundu wa nyama ndiwofunikanso. Agalu angakhale ndi kuchepa kwa magazi kokhudzana ndi matupi a Heinz chifukwa cha mankhwalawa, koma amphaka ali pachiwopsezo chachikulu kwambiri chifukwa hemoglobin yawo ili ndi magulu ambiri omwe angachitidwe oxidation, ndipo maselo awo ofiira a magazi sachotsa bwino zinthu zowonongeka. Njira yochizira galu siyiyenera konse kusinthidwa kukhala ya mphaka pongotsatira kulemera kwake. Lamulo la boma la 21 CFR gawo 500.27 limalemba za kuchepa kwa magazi kokhudzana ndi matupi a Heinz komwe kunapha amphaka amene anapatsidwa mankhwala a methylene blue a mkodzo kudzera pakamwa motsatira malangizo a pa chizindikiro. Mbiri imeneyi imatikumbutsa kuti kupereka kudzera pakamwa sikutanthauza kuti sikuvulaza.

Tebulo la ntchito za kuchipatala ndi kumeza mwangozi

Tengani tebulo ili kwa dokotala wa ziweto m’malo mochitapo kanthu potsatira nokha. Limasiyanitsa ntchito ya kuchipatala yoyang’aniridwa ndi kumeza mwangozi, kusiyana komwe kumathandiza kuti zisankho zikhale zotetezeka. Kambiranani ndi ogwira ntchito kuchipatala; sililowa m’malo mwa kupeza vuto lenileni.

Zochitika	Tanthauzo lake	Zimene dokotala wa ziweto amaganizira
Methemoglobinemia yoopsa yochokera ku chinthu choyambitsa oxidation	Chifukwa chovomerezeka choigwiritsira ntchito kuchipatala. Methemoglobin yoyezedwa, galu wokhala ndi zizindikiro, ndi choyambitsa oxidation chodziwika.	Mlingo umodzi wa pafupifupi 1 mpaka 1.5 mg pa kg wa madzi a mankhwala okhala ndi gawo limodzi mwa zana, woperekedwa pang’onopang’ono kudzera mumtsempha wa magazi, kamodzi, ndi kuyang’anira pogwiritsa ntchito co-oximetry, hematocrit ndi magazi opakidwa pagalasi kwa masiku 3 mpaka 4. Chithandizo cha choyambitsa chenichenicho chimapitirira limodzi ndi ichi, mwachitsanzo N-acetylcysteine pa acetaminophen.
Kusowa kwa reductase kobadwa nako	Chifukwa chosowa kwambiri chofuna katswiri. Methemoglobinemia yobwerezabwereza popanda poizoni.	Chithandizo chogwirizana ndi vuto la galu aliyense, kudzera mumtsempha wa magazi pa mlingo wapafupi ndi 1 mg pa kg, nthawi zina kutsatiridwa ndi chithandizo chapakamwa choyang’aniridwa. Dongosolo la nthawi yaitali limafuna chisamaliro cha katswiri chokha.
Kupeza mfundo yoyamba yolandira madzi a lymph	Kugwiritsa ntchito utoto pothandiza opaleshoni ya chotupa.	Dokotala wa opaleshoni amabaya pafupi ndi chotupa, osati kupereka mlingo wa thupi lonse. Zotsatira pa magazi ndi funso losiyana ndi kusuntha kwa utoto.
Kugwa kwa kayendedwe ka magazi kapena kuchepa kwa mphamvu ya mitsempha kukhwinyata	Ndi yoyesera mwa agalu. Palibe njira yovomerezeka yogwiritsidwa ntchito nthawi zonse.	Zoganizira zolowetsa galu mu kafukufuku, osati zochizira kunyumba. Kuthamanga kwa magazi ndi zotsatira pa mtima ndi mapapo zingaipe pa milingo ikuluikulu.
Kumwa madzi a mu thanki ya nsomba omwe aikidwa mankhwala	Kumeza mankhwala, osati kulandira chithandizo. Ndi osungunulidwa kwambiri koma kuchuluka komwedwa sikudziwika.	Chizindikiro cha mankhwala, kuchuluka kwa mankhwala osasungunulidwa m’madzi, kuchuluka kwa madzi mu thanki, kuyerekezera kuchuluka komwedwa, kulemera kwa thupi, nthawi, zizindikiro, ndi mankhwala onse. Kumwa pang’ono madzi osungunulidwa kwambiri ndi kumeza mankhwala okhuthala ndi zochitika zosiyana.
Kunyambita madzi ovomikiramo nsomba kapena kutafuna mankhwala okhuthala kapena piritsi	Kumeza komwe kumadetsa nkhawa kwambiri.	Mfundo zomwezo za mankhwala, kuphatikiza ma milligram pa chinthu chilichonse ndi kuchuluka kwakukulu kwa zinthu zomwe zikusowa. Zinthu zina zomwe zili mu piritsi zimasintha kuwunika.
Galu amene akumwa trazodone, SSRI, clomipramine, selegiline, tramadol	Chiopsezo cha kuyanjana kwa mankhwala chowonjezeka pa chilichonse mwa zomwe zili pamwambapa.	Mndandanda wonse wa mankhwala ndi zowonjezera musanapange chisankho chilichonse. Zizindikiro za vuto la serotonin zimafuna kuwunika mwadzidzidzi.

Ngati galu wameza: zoyenera kuchita tsopano

Choyamba, muletseni kumwanso ndipo sungani umboni: botolo la mankhwala kapena chithunzi cha chizindikiro chake, kuchuluka kwa mankhwala m’madzimo, kuchuluka komwe kunaikidwa m’madzi ochuluka motani ngati anali a mu thanki, kuyerekezera kuchuluka komezetsedwa, nthawi, kulemera kwa galu, zizindikiro zomwe zilipo, matenda odziwika, ndi mankhwala ndi zowonjezera zonse. Kuwunika koyambirira kwa kuopsa kwa poizoni kumadalira mndandanda womwewo. Malangizo ambiri a ASPCA okhudza poizoni wa ziweto amapempha eni ziweto kusunga chidebe ndi kuyimba foni m’malo modikira zizindikiro, ndipo ntchito ya ASPCA yothandiza pa poizoni ndi ntchito monga Pet Poison Helpline zilipo kuti ziyankhe foni imeneyi limodzi ndi chipatala chachizolowezi kapena chipatala cha zadzidzidzi.

Musapereke methylene blue ngati chothetsa poizoni kunyumba. Musamupangitse kusanza pokhapokha dokotala wa ziweto kapena katswiri wa poizoni atakulamulani kutero, chifukwa kusanza sikoyenera kapena n’koopsa pa zinthu zina zomwe zamezedwa ndi pa zizindikiro zina. Musapereke hydrogen peroxide mwa chisankho chanu. Ngati n’kotheka, letsani galu kunyambita utoto wa pa ubweya wake podzitsuka, tsukani utoto wa pakhungu monga chipatala chikulangizira, ndipo musalole mankhwalawo kukhudza maso.

Funsani kuwunika mwadzidzidzi mwamsanga ngati pali kupuma movutikira, nkhama zabuluu kapena zotuwa, kufooka kwambiri kapena kugwa, kusazindikira, kukomoka ndi kugwedezeka, kusakhazikika kwambiri kapena kunjenjemera limodzi ndi kutentha kwambiri kwa thupi, kapena nkhama zotumbululuka kapena zachikasu limodzi ndi mkodzo wakuda kapena wabulauni wofiyira. Kumbukirani kuchedwa kwa zizindikiro: galu amene akuoneka bwino madzulo a tsiku lomwe wameza mankhwalawo angakhalebe ndi kuchepa kwa magazi chifukwa cha kuwonongeka kwa maselo ofiira patapita masiku, choncho kuwunika koyambirira kumakhudza usikuwo komanso kufufuza magazi potsatira chithandizo. Nkhani yowunika kasamalidwe ka methemoglobinemia yoyamba mwadzidzidzi mu Journal of Veterinary Internal Medicine imalimbikitsa kuyeza hematocrit kwa masiku angapo pambuyo pa zisankho za chithandizo pa chifukwa chimenechi.

Kusiyanitsa komaliza kumathandiza kuti tsamba lililonse lina pa webusaitiyi likhale pa ntchito yake yoyenera. Maupangiri ochizira nsomba, njira zochotsera mankhwala m’madzi pambuyo poika mlingo mu thanki ya nsomba, sayansi ya mankhwala a utoto, ndi njira zopaka utoto zimafotokoza matanki, zida zagalasi, ndi maikulosikopu. Palibe mwa izi chomwe ndi malangizo operekera mankhwala kwa galu. Funso lokhudza galu limathera mofanana nthawi zonse: imbani dokotala wa ziweto, tengani chizindikiro ndi manambala, ndipo lolani zotsatira za kufufuza magazi kutsogolera chisankho.