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METHEMOGLOBINEMIA( intoxicatia cu nitriti)

-este un compus in care FeFEROS(! a "ost trans"ormatin Fe FERI# $!-HB isi pier%e capacitatea %e a

transporta O-or&anismu' are capacitatea%e a trans"orma met in ( *exista o cantitate mica in

or&anism+ ,a' norma'aptmet+ ./H#/ mett 0./ -

metemo&'oinemie1oate 2 ere%itara sau%oan%ita

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#e'e ere%itare se %atorea3aunui %e2cit %e met

re%ucta3a4*5ITAMINA # a6uta 'a crestereare%ucta3ei4#e'e %oan%itepot 2

%eterminate %e+ nitrati si nitritpro,eniti %in apa7 a'imente7ME8I#AMENTE+( pt pato'o&ia#57 ana'&e3ice7 antipiretice7

AB7 antineop'a3ice7antiinsomnii7 antima'arice7ana'&e3ice 'oca'e4

Apapoate 2 contaminata prin"o'osire excesi,a %ein&rasaminte pe a3a %e N7

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sau so'uri o&ate inN( %oro&ea)

-po'uare apa cu re3i%uurior&anice( apropiere %e %epo3it&unoi79c)In a'imente+ spanac7 sa'ata

,er%e7 ra%acinoase7carne!preparate#e'e mai "rec,ente se pro%ucprin aport %e apa4 Riscu' apare

can% nitratii sunt trans"ormatiin nitriti4 Trans"ormarea sepro%uce in apa:or&anism in

pre3enta unei ;ore nitratpro%ucatoare4F'ora poate pro,eni %e 'a ni,e'na3o"arin&ian

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Riscu' aparitiei intoxicatieieste mai ri%icat 'a copii(

su&ari

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Forme'e acute sunt "rec,ente'a su&ari4- oa'a copi'u'ui

a'astruRiscu' creste %aca su&arii sunta'imentati arti2cia'TABLO=L #LINI#+

%epin%e %e ni,e'u' met7starea %e sanatate apacientu'ui4#an% #/ met e %e .>-

?/H+ "orme usoarecuciano3a periora'a7 perina3a'a7extremitati4

*Mani"estari'e pot aparea si 'a#/ mai sca3ute in ca3 %e o'icronice7 imunitate sca3uta4 ?-@/

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La a%u'ti7 apar mani"estari 'a c/ 0?/ H + tu' resp7

taicar%ie7 ce"a'ee7 amete'i#an% #/ e %e ?-?>/ H-"orme me%iicu ciano3a si%ispnee7 taicar%ie7 stari %e

a&itatie7 stari con"u3iona'e4#/0?>/ - "orme &ra,e cuciano3a &enera'i3ata7 con,u'sisi ciar coma4 8ecesu' in intox

acute se pro%uce can% c/met 0?/48& %e 'a se pune pe a3a

ni,e' met7 &a3e san&uine7ana'i3e cu'oare san&e+ in intoxcu nitriti+ san&e'e run-

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cioco'atiu7 prin expunere 'aoxi&en nu isi re,ine 'a cu'oare

Tratamentu' intoxicatii+5itamina # si a'astru meti'en1rin consumu' cronic %e apapot aparea+

tu'urari %e crestere7%e3,o'tare inte'ectua'a7'im"oame non Ho%&in7tumori+ cancer &astric7 co'on7

'eucemii8aca o &ra,i%a consumaast"e' %e apa7 exista riscu' ca

sarcina sa nu 2e %usa 'atermen4 #opiii nu au ina'time7&reutate norma'a7 creste risc%e tumori cerera'e

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La a%u'ti7 riscu' creste %acaexista pato'o&ii c,7 pu'monare

%iaet71re,enire intoxicatii+ 2ererea%istru&e %oar microor&anismenu si nitrati7 ana'i3a perio%ica

a apei- ,a' max ?>m&:L