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    BARBITURICOS

    OMAR EDUARDO PERDOMO CASTILLORI. ANESTESIOLOGIA Y REANIMACION

    UNIVERSIDAD EL BOSQUE

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    ASPECTOS HISTORICOS

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    J. F. W. Adolph VonBa ! " #$%&'($)$*+

    P" ,-o No l d Q/0,-1a$)2'.

    S-n3 4-4 d l A1-doa" -3/"-1o $%56

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    COMPOSICION ACIDOBARBITURICO

    Urea mas Acido Malnico

    Barbital: ( Acido dietil

    barbiturico)Fisher y Von Mening 1.903

    P"-, " 1o,p/ 43o 1onp"op- dad 4 4 dan3 4

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    Somnifen.

    Redonnet (1920)

    M :1la d 4al 4a" -3/"-1a4.

    E; 13o 4 dan3 d la"3"-1a4.

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    Hexobarbital: ru!! y "aub ( 193#)

    P"-, " a" -3/"-1o d a11-=n 1o"3a A,pl-a, n3 /4ado n E/"opa

    Amobarbital ( 1929): U4ado n No"3 a, "-1a.

    Barbituricos con azufre: # Ta , ! Val?-l "$.)&'+

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    TIOPENTAL

    Ral ! "aters # $o!n%und# (19&')

    @ a 4/p "ado la p"/ a d l3- ,po

    In-1-o d a11-=n " p-do7d/"a1-=n 1o"3a7 4-n lo4

    ; 13o4 1-3an3 4 d l

    h o a" -3al.

    E/3ana4-a n 1-"/

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    PROPIEDADESFISICOQUIMICAS

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    ACIDO BARBITURICO

    #$%$& trio'ohe'ahidro!irimidina

    A13-8-dad -pn=3-1a Rad-1al 4a"-lo( al /-lo n l 1a" ono '.

    Con;-

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    11/41 Al "3o Van

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    Rad-1al ; n-lo n la po4-1-=n 'p"op- dad an3-1on8/l4-8an3 .

    No " 1on43-3/-" 1on La13a3o "-n< ".

    E8-3a" la , :1la 1on o3"o4, d-1a, n3o47 / p/ d n -na13-8a" la,ol 1/la.

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    ESTRUCTURA Y FUNCION

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    METABOLISMO

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    O IDACION

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    D p nd- n3 d 4-43 ,a,-1"o4o,al.

    Ind/11-=n n:-, 3-1a.S-n3 3a4a d 1-do

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    FARMACOCINETICA DE

    LOS BARBITURICOS

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    odelo

    ulticom artimental $. T ",-na1-=n d l

    ; 13o po43 "-o" aHn-1a do4-4.

    ( in tica de orden 1)9. R 3a"do d

    " 1/p "a1-=npo43 "-o" a -n;/4-=n.

    # 1-n>3-1a d o"d n 2 +

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    VARIABLES MODIFICADORAS DEFARMACOCINETICA

    Al3 "a1-on 4 h ,od-n ,-1a4.

    Ma4a 1o"po"al ,a

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    CONSIDERACIONES SEGUN EDAD

    PEDIATRICOS GERIATRICOS

    Ma!o" Vol/, n d d-43"- /1-=n.

    Ma!o" a1la"a,- n3o.

    M no" 1on1 n3"a1-=n l-p0d-1a nl SNC7 ,a!o" p"opo"1-=n d

    a

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    ELIMINACION

    a43a /n &2 d lo4a" -3H"-1o4 4l-,-nan 4-n

    ,od-;-1a1-=n.

    La l-,-na1-=n " nal4 a/, n3a 1on la

    al1al-n-:a1-=n d lao"-na.

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    FARMACODINAMIA

    R 1 p3o" GABA

    $. Po3 n1-a1-=n dn /"o3"an4,-4-=n

    -nh- -3o"-a.Fa1-l-3a1-=n d la /n-=n GABA

    9. M-, 3-4,o GABA

    A/, n3o d l /, "al d1-3a -l-dad d la

    , , "ana po4-n p3-1a.

    Al "3o Van

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    *lo+ueo deneurotransmisine'citatoria.

    ,ece!tores AM-A

    E; 13o " 4/l3an3 A/, n3o d la4

    1o""- n3 4 d 1lo"o.

    Al "3o Van

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    SITIOS DE ACCION

    A13-8-dad d-; " n1-aln SNC.

    E; 13op" do,-nan3 n l4-43 ,a " 3-1/la"a41 nd n3

    a13-8ado".

    Al "3o Van

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    EFECTOS FISIOLOGICOS

    D-4,-n/1-=n d l , 3a ol-4,o 1 " "al.

    D-4,-n/1-=n d l BVO9 # 1on4/,o do 0< no 1 " "al+

    D-4,-n/1-=n p"opo"1-onal d l ;l/ o

    4an

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    EFECTOS FISIOLOGICOS

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    SISTEMA NERVIOSO PERIFERICO

    E; 13o -nh- -3o"-o 4o " la 3"an4,-4-=nn "8-o4a n

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    PASO AL SISTEMA NERVIOSOCENTRAL

    p A

    L-po;-l-1-dad

    Un-=n a p"o3 0na4

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    PASO AL SISTEMA NERVIOSOCENTRAL

    p A T-op n3al *75 A p ;-4-ol=

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    EFECTOS CARDIOVASCULARES

    GC

    PAM

    RVS

    Con3"a13-l-dad

    FC #$2( &5 +

    MVO9

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    EFECTOS CARDIOVASCULARES

    D p" 4-=n ,-o1 "d-1a A11-=n 4o " 1anal 4 d Na ! al

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    EFECTOSRESPIRATORIOS

    e!resin res!iratoria$dosis de!endiente.

    Do4-4 &7' ,

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    EFECTOS CLINICOS

    IPNOSIS

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    Do4-4 E; 13-8a '2

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    BARBITURICOS

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    DOSIS RECOMENDADAS PARAINDUCCION Y MANTENIMIENTO

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    TIOPENTAL EN LAGESTACION

    E /-l- "-o n3" la4 8 na4 ,a3 "na4 ! ; 3al n & ,-n/3o4.

    El , a"a:o p"olon

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    CONTRAINDICACIONES

    -po8ol ,-a

    Cho /

    A4,a

    -or/iria

    Ronald. D. M-ll "7 M.D. El4 8- " 922'

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    EFECTOS SECUNDARIOS

    Sa o" a a o In1-d n1-a 62

    E an3 ,a /"3-1a"-;o",

    I""-3a1-=n lo1al. Dolo" n l 4-3-o d -n! 11-=n. )

    Fl -3-4 $

    E; 13o4 -3ado" 4 # , 3oh -3al+ To47 h-po73" ,o"7 4pa4,o4.

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    GRACIAS