Kev tau txais methemoglobinemia tshwm sim los ntawm raug rau cov tshuaj uas oxidize cov hlau ferrous hauv hemoglobin mus rau lub xeev ferric ntawm tus nqi uas tshaj qhov txo qis ntawm methemoglobin reductase enzyme hauv erythrocytes. Ntau yam ntawm cov neeg ua haujlwm paub tias yuav ua rau cov tshuaj methemoglobinemia (Table), suav nrog lidocaine.
Puas benzocaine ua rau methemoglobinemia?
Benzocaine thiab lwm yam tshuaj loog hauv zos tuaj yeem ua rau methemoglobinemia, qhov mob hnyav uas cov pa oxygen nqa los ntawm cov ntshav txo qis heev. Tus mob no ua rau muaj kev phom sij rau txoj sia thiab ua rau tuag taus.
benzocaine ua rau methemoglobinemia li cas?
Leucomethylene xiav reacts spontaneously nrog siab concentrations ntawm methemoglobin nyob rau hauv cov ntshav, sai sai txo methe-moglobin rau hemoglobin, txawm nyob rau hauv lub xub ntiag ntawm oxygen. Leucomethylene xiav kuj hloov ferric hlau rov qab mus rau lub xeev ferrous thiab restores lub peev xwm nqa oxygen ntawm hemoglobin.
Yuav ua li cas thiaj tau txais methemoglobinemia los ntawm benzocaine?
Cov lus xaus thiab qhov cuam tshuam: Tag nrho qhov muaj feem ntau ntawm methemoglobinemia yog qhov qis ntawm 0.035%;txawm li cas los xij, muaj kev pheej hmoo ntau ntxiv hauv cov neeg mob pw hauv tsev kho mob thiab nrog tshuaj loog benzocaine.
Puas benzocaine ua rau methemoglobinemia hauv cov neeg laus?
Acquired methemoglobinemia yog ib qho tshuaj lom hemoglobinopathy feem ntautshwm sim los ntawm cov tshuaj kws kho mob lossis cov uas tau muab rau hauv tsev kho mob. Tsis tshua muaj, txawm li cas los xij, dhau ntawm lub txee, tshuaj noj tus kheej uas muaj benzocaine tuaj yeem ua rau methemoglobinemiarau cov neeg laus noj qab haus huv.
