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<P align=3Dright><FONT face=3D"Verdana, Arial, Helvetica, sans-serif"=20
size=3D2><STRONG>Rev Cubana Cardiol Cir Cardiovasc=20
2010;16(1):74-83</STRONG></FONT> </P>
<P align=3Dright><FONT face=3D"Verdana, Arial, Helvetica, sans-serif"=20
size=3D2><B>CIRUG=CDA CARDIOVASCULAR</B></FONT></P>
<P>&nbsp;</P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B><FONT=20
size=3D4>Endocarditis infecciosa. Resultados del tratamiento=20
quir=FArgico</FONT></B></FONT></P>
<P><STRONG><FONT face=3DVerdana size=3D3>Results of surgical treatment =
in cases of=20
infectious endocarditis</FONT> </STRONG></P>
<P>&nbsp;</P>
<P>&nbsp;</P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2><B>Dr. =
Milvio B.=20
Ram=EDrez<SUP>I</SUP>; Dr. Horacio P=E9rez L=F3pez<SUP>II</SUP>; Dr. =
Fidel M. C=E1ceres=20
L=F3riga<SUP>III</SUP>; Jos=E9 Ram=F3n Llanes =
Echevarr=EDa<SUP>IV</SUP></B></FONT> </P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2><SUP>I=20
</SUP>Especialista de II Grado en Cirug=EDa Cardiovascular. Profesor =
Consultante.=20
Profesor Auxiliar.<BR><SUP>II </SUP>Especialista de II Grado en =
Cirug=EDa=20
Cardiovascular. Dr. CM. Profesor Titular.<BR><SUP>III </SUP>Especialista =
de II=20
Grado en Cardiolog=EDa. Dr. CM. Profesor Titular.<BR></FONT><FONT=20
face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2><SUP>IV</SUP> =
Licenciado en=20
Ciencias Biol=F3gicas.</FONT>=20
<P>
<P>
<P>
<HR noShade SIZE=3D1>

<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B>RESUMEN</B>=20
</FONT></P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Se =
realiz=F3 un=20
an=E1lisis retrospectivo, prospectivo, observacional y descriptivo de =
163=20
pacientes operados con el diagn=F3stico de endocarditis infecciosa =
activa entre=20
enero de 1981 y de 2006 en el Instituto de Cardiolog=EDa y Cirug=EDa =
Cardiovascular=20
en La Habana, con el objetivo de conocer los resultados del tratamiento=20
quir=FArgico en estos enfermos. Los datos fueron obtenidos de las =
historia=20
cl=EDnicas. Predomin=F3 el sexo masculino (70,5 %). Su mayor frecuencia =
fue en los=20
pacientes con 60 a=F1os y m=E1s. Los estafilococos gram positivos y =
negativos fueron=20
los microorganismos m=E1s aislados (p&lt; 0,003). Las indicaciones =
quir=FArgicas=20
fueron insuficiencia card=EDaca intratable (44,5 %) y la infecci=F3n =
resistente al=20
tratamiento (40,4 %) (p&lt; 0,0002). Los reemplazos valvulares 55,5 % =
(n=3D 95) y=20
la extracci=F3n de cables, generadores y vegetaciones 16,5 % (n=3D 64) =
fueron las=20
principales operaciones. La mortalidad perioperatoria fue de 16,5 % =
(n=3D 27).=20
Estos resultados sugieren que se debe realizar tratamiento quir=FArgico =
en todos=20
los pacientes con endocarditis infecciosa portadores de cuerpos =
extra=F1os.=20
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><BR><B>Palabras=20
clave:</B> endocarditis, v=E1lvulas card=EDacas, pr=F3tesis.=20
<HR noShade SIZE=3D1>
</FONT>
<P><FONT face=3DVerdana size=3D2><STRONG>ABSTRACT</STRONG></FONT></P>
<P><FONT face=3DVerdana size=3D2>A descriptive, observational, =
prospective and=20
retrospective analysis was made in 163 patients operated on diagnosed =
with=20
active infectious endocarditis from January, 1981- 2006 in Institute of=20
Cardiology and Cardiovascular Surgery in La Habana to know the results =
of=20
surgical treatment in these patients. Data were from medical records. =
There was=20
predominance of male sex (70,5%). Is higher frequency was in patients =
aged 60=20
and more. Gram-negative and positive staphylococci were the more =
isolated=20
microorganisms (p &lt; 0,003). Surgical indications included intractable =
heart=20
failure (44,5%) and treatment-resistant infection (40,4%) (p &lt; =
0,0002). The=20
55,5% of valve replacement (n =3D 95) and the16,5% of cables, generators =
and=20
vegetations extractions (n =3D 64) were the main operations. =
Perioperative=20
mortality was of 16,5% (n =3D 27). These results suggest that it is =
necessary to=20
carry out a surgical treatment in all patients presenting with =
infectious=20
endocarditis carriers of foreign bodies. </FONT></P>
<P><FONT face=3DVerdana size=3D2><STRONG>Key words:</STRONG> =
Endocarditis, cardiac=20
valves, prosthesis </FONT></P>
<HR noShade SIZE=3D1>

<P>&nbsp;</P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2></FONT></P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B><FONT=20
size=3D3>INTRODUCCI=D3N</FONT></B> </FONT></P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>El =
aumento del=20
n=FAmero de casos de endocarditis infecciosa (EI) debidas a un mayor =
n=FAmero de=20
manipulaciones hospitalarias invasivas, a la drogadicci=F3n parenteral y =
al=20
incremento de la longevidad, ha dado lugar a que esta enfermedad haya =
pasado a=20
ocupar en los pa=EDses desarrollados, uno de los primeros lugares entre =
las=20
enfermedades infecciosas. En los pa=EDses en v=EDas de desarrollo la =
enfermedad=20
reum=E1tica card=EDaca es el factor predisponente de EI m=E1s frecuente. =
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>En la =
actualidad=20
predominan como g=E9rmenes causales las bacterias gram positivas: =
Estafilococos=20
coagulasa positivo y negativo, y en menor frecuencia las EI causadas por =

Estreptococos del grupo Viridans y Enterococos.<SUP>1</SUP> </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Para el =
diagn=F3stico=20
de la EI son importantes el examen cl=EDnico, los hemocultivos y el =
ecocardiograma=20
transesof=E1gico.<SUP>2</SUP> <I>Durack</I> y colaboradores crearon una =
serie de=20
criterios diagn=F3sticos de gran utilidad, <SUP>3</SUP> aunque estos han =
sufrido=20
modificaciones. La tomograf=EDa axial computarizada combinada con galio, =
indio,=20
tecnecio, etc., gana incisividad en el diagn=F3stico y aumenta la =
detecci=F3n de las=20
vegetaciones. La inmunocintillograf=EDa de anticuerpos monoclonales=20
antigranulocitos marcados con tecnecio 99 supera a la ecocardiograf=EDa =
en el=20
diagn=F3stico de EI.<SUP>4</SUP> La combinaci=F3n del tratamiento =
m=E9dico con el=20
quir=FArgico ha disminuido la mortalidad entre los pacientes con una EI=20
complicada. El objetivo del estudio es conocer los resultados del =
tratamiento=20
quir=FArgico efectuado a los pacientes con EI complicada en nuestro =
Instituto,=20
centro de nivel terciario.</FONT>
<P>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B><FONT=20
size=3D3>M=C9TODOS</FONT></B> </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2>Realizamos un=20
estudio retrospectivo, prospectivo, observacional y descriptivo de 163 =
pacientes=20
operados con el diagn=F3stico de EI activa entre enero del 1981 hasta =
enero del=20
2006 (25 a=F1os) en el Instituto de Cardiolog=EDa y Cirug=EDa =
Cardiovascular en la=20
Ciudad de La Habana. Los datos fueron obtenidos de las historias =
cl=EDnicas, de=20
las Bases de Datos de UCIQ, de los Departamentos de Cirug=EDa, =
Anatom=EDa=20
Patol=F3gica, y del Laboratorio de Microbiolog=EDa, evoluciones por =
Consulta Externa=20
y comunicaciones telef=F3nicas a los hogares y centros laborales de los =
pacientes.=20
Estos datos se plasmaron en planillas confeccionadas al efecto. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Se =
estudiaron todos=20
los pacientes con EI activa operados. </FONT>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B><BR>An=E1lisis=20
estad=EDstico</B> </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Las =
variables se=20
procesaron con el programa SSPS y Microstat para Windows xp. Las =
diferencias=20
entre variables continuas se evaluaron mediante la <I>t</I> de =
<I>student</I> y=20
las porcentuales mediante la prueba exacta de Fisher. Se acept=F3 como =
valor=20
significativo una probabilidad menor de 0, 05 (p&lt; 0,05).</FONT>
<P>
<P>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B><FONT=20
size=3D3>RESULTADOS</FONT></B> </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>El 70,5 =
% (n=3D 115)=20
de los pacientes fueron del sexo masculino (p&lt; 0,0003) y el 29,5 % =
(n=3D 48),=20
del sexo femenino. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>El =
grupo de edades=20
de mayor incidencia fue el de 60 y m=E1s a=F1os con el 23,4 % (n=3D 38) =
(p=3D n/s). La=20
edad media de los pacientes fue de 35,6 a=F1os (rango 16-87). </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>La =
puerta de=20
entrada de los microorganismos se detect=F3 en el 55 % de los casos<FONT =

color=3D#ff0000> </FONT>provocado por la sepsis del bolsillo del =
marcapasos (MP),=20
o desfibrilador autom=E1tico implantable (DAI) el 31,2 % y a los =
procederes=20
quir=FArgicos previos el 19,6 % (p&lt; 0,005). </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Los =
factores m=E1s=20
frecuentemente asociados al desarrollo de EI fueron la cirug=EDa =
card=EDaca previa=20
(50,9 %) (p&lt; 0,005) y las cardiopat=EDas degenerativas (11,6 %) (<A=20
href=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/car09110.htm#tab1">tabl=
a=20
1</A>).</FONT>=20
<P align=3Dcenter><A name=3Dtab1></A><IMG height=3D208=20
src=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/t0109110.gif" =
width=3D529>=20
<P align=3Dleft><FONT face=3DVerdana size=3D2>En la <A=20
href=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/car09110.htm#tab2">tabl=
a 2</A>=20
podemos ver los hallazgos cl=EDnicos y de laboratorio de inter=E9s =
relacionados con=20
la EI.</FONT>=20
<P align=3Dcenter><A name=3Dtab2></A><IMG height=3D425=20
src=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/t0209110.gif" =
width=3D463>=20
<P>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>La =
fiebre (85,9 %)=20
(p&lt; 0,005), soplos cambiantes (80 %) (p&lt; 0,007) y la anemia (74 %) =
(p&lt;=20
0,009), resultaron muy significativos al compararlos con el resto de las =

variables del cuadro cl=EDnico: astenia (44 %), p=E9rdida de peso (36,8 =
%), disnea=20
(15,3 %), escalofr=EDos (13,4 %), insuficiencia card=EDaca (7,3 %). Los =
embolismos a=20
repetici=F3n, los n=F3dulos de Osler y las lesiones de Janeway, =
representaron el 1,2=20
%, respectivamente. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Los =
hemocultivos=20
fueron positivos en el 79 % (n=3D 326) (p&lt; 0,0001) y negativos en el =
21 % (n=3D=20
86). </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>La=20
eritrosedimentaci=F3n estuvo elevada en el 90,7 % (n=3D 148) de los =
casos, con m=E1s=20
de 100 mm/h en 35 pacientes (21,4 %). La leucocitosis con desviaci=F3n =
izquierda y=20
la anemia normoc=EDtica normocr=F3mica, se vieron en el 25,7 % y el 72 % =
de los=20
casos. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>El =
ecocardiograma=20
transtor=E1cico confirm=F3 el diagn=F3stico en el 64,8 % de los casos =
(p&lt; 0,0008).=20
A ning=FAn paciente se le realiz=F3 eco transesof=E1gico por no poseer =
el equipo=20
durante el per=EDodo del estudio. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>La EI =
en v=E1lvula=20
nativa fue del 45,4 % (n=3D 74), y la v=E1lvula mitral fue la m=E1s =
afectada (21,4 %),=20
seguida por la v=E1lvula a=F3rtica (16,5 %). </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>La EI =
prot=E9sica se=20
present=F3 en un 48,4 % (n=3D 79); el 39,2 % (n=3D 64) le correspondi=F3 =
a la=20
endocarditis por cables de MP o DAI; a la pr=F3tesis valvular mitral le=20
correspondi=F3 el 5,52 % y a la a=F3rtica el 3,06 %. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>A las =
cardiopat=EDas=20
cong=E9nitas con EI les correspondieron el 3,06 % (n=3D 5): a saber CIA =
(n=3D 1), CIV=20
(n=3D 2), estenosis a=F3rtica supravalvular (n=3D 1) y PCA (n=3D 1). =
Otros fueron=20
pseudoaneurismas mic=F3ticos de aorta ascendente (n=3D 4) 2,45 % y =
trombo en=20
ventr=EDculo izquierdo (n=3D 1) 0,6 %. Las diferencias entre las =
localizaciones de=20
la endocarditis infecciosa en v=E1lvula nativa y prot=E9sica no fueron=20
significativas (p=3D n/s). Las indicaciones quir=FArgicas en nuestros =
casos fueron=20
encabezadas por la insuficiencia card=EDaca intratable (44,5 %) y la =
infecci=F3n=20
resistente al tratamiento (40,4 %). (<A=20
href=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/car09110.htm#tab3">tabl=
a=20
3</A>).</FONT>=20
<P align=3Dcenter><A name=3Dtab3></A><IMG height=3D289=20
src=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/t0309110.gif" =
width=3D601>=20
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>El 55,2 =
% (n=3D 90)=20
de nuestros pacientes se encontraba en clase funcional IV (NYHA); el =
40,5 % (n=3D=20
66) se encontraba en clase funcional III (NYHA) y el 4,3 % (n=3D 7) en =
clase=20
funcional II (NYHA). </FONT><FONT face=3D"Verdana, Arial, Helvetica, =
sans-serif"=20
color=3D#000000 size=3D2>(<A=20
href=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/car09110.htm#tab4">tabl=
a=20
4</A>).</FONT>=20
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" color=3D#ff0000=20
size=3D2></FONT>
<P align=3Dcenter><A name=3Dtab4></A><IMG height=3D502=20
src=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/t0409110.gif" =
width=3D579>=20
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Se =
operaron de=20
urgencia, 8 pacientes; se efectuaron un total de 175 intervenciones =
quir=FArgicas=20
a 163 pacientes: 95 reemplazos valvulares; mitrales, a=F3rticos, =
tricusp=EDdeos,=20
aislados o en combinaci=F3n con otras t=E9cnicas quir=FArgicas. La =
extracci=F3n de=20
electrodos y vegetaciones se realiz=F3 a 64 pacientes; otros procederes =
se=20
realizaron en un 7,1 %. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Las =
complicaciones=20
postoperatorias estuvieron presentes en el 22,6 % (n=3D 37) de los =
pacientes: las=20
principales fueron la sepsis generalizada 8,5 % (p&lt; 0,01). </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Las=20
reintervenciones fueron por sangramientos (n=3D 6), mediastinitis (n=3D =
1) y=20
dehiscencia de pr=F3tesis (n=3D 1). La estad=EDa promedio posoperatoria =
fue de 30=20
d=EDas, y la estad=EDa promedio total fue de 51,9 d=EDas. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2>Veintisiete=20
pacientes fallecieron para un 16,5 % de mortalidad perioperatoria. La =
sepsis=20
generalizada constituy=F3 la principal causa (6,8 %) con significaci=F3n =
estad=EDstica=20
(p&lt; 0, 02), <A=20
href=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/car09110.htm#tab5">tabl=
a=20
5</A>.</FONT>=20
<P align=3Dcenter><A name=3Dtab></A><IMG height=3D255=20
src=3D"http://bvs.sld.cu/revistas/car/vol16_1_10/t0509110.gif" =
width=3D435>=20
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2><BR>De =
los=20
pacientes con endocarditis infecciosa activa de v=E1lvula nativa (45,4 =
%) (n=3D 74)=20
falleci=F3 el 17,5 % (n=3D 13). La EI prot=E9sica precoz se =
diagnostic=F3 en 7 pacientes=20
de los que fallecieron 4 (57,1 %). La EI prot=E9sica tard=EDa se =
present=F3 en 71=20
pacientes de los que falleci=F3 el 9,8 % (n=3D 7). La diferencia entre =
las=20
mortalidades de la endocarditis prot=E9sica precoz y la tard=EDa fue =
significativa=20
(p&lt; 0,0006). </FONT>
<P>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B><FONT=20
size=3D3>DISCUSI=D3N</FONT></B> </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>En =
nuestro estudio=20
predominaron el sexo masculino (70,5 %) p&lt; 0, 0003 y el grupo de =
pacientes de=20
60 a=F1os y m=E1s (23,4 %); datos similares fueron reportados por otros=20
autores.<SUP>4,5</SUP> La edad media de los pacientes con EI se ha =
incrementado=20
gradualmente; antes de la era antibi=F3tica oscilaba entre 30 y 40 =
a=F1os y=20
posteriormente, entre 47 y 69 a=F1os. Esto se debe a la elevaci=F3n de =
la=20
expectativa de vida que ha dado lugar al aumento de la enfermedad =
valvular=20
degenerativa, al reemplazo valvular y a mayor exposici=F3n a bacterias=20
nosocomiales por procederes invasivos sobre los tractus genitourinarios, =

grastrointestinales o infecciones de las heridas =
quir=FArgicas.<SUP>5-8</SUP> Los=20
hombres son m=E1s afectados que las mujeres a raz=F3n de 1,7 a =
1.<SUP>7-10</SUP>=20
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>La =
implantaci=F3n de=20
materiales artificiales en el organismo predispone a la endocarditis=20
infecciosa.<SUP>11</SUP> En nuestro estudio se confirm=F3 que el 48,4 % =
de los=20
pacientes (n=3D 79) ten=EDa pr=F3tesis valvulares card=EDacas, =
marcapasos permanentes o=20
DAI. En el 17,2 % de los casos no hubo afectaci=F3n valvular conocida o=20
identificada, al igual que en otros estudios.<SUP>12,13</SUP> =
Consideramos alto=20
el porcentaje (21 %) de hemocultivos negativos, semejante a cifras=20
reportadas,<SUP>14,15</SUP> quiz=E1s debido al uso emp=EDrico de =
antibi=F3ticos o a=20
microorganismos "exigentes" (de dif=EDcil cultivo), que requieren =
t=E9cnicas=20
especiales. Los estafilococos coagulasa positivos son los principales =
agentes=20
etiol=F3gicos de la EI;<SUP>16,17</SUP> en nuestro estudio fueron =
aislados en un=20
13,3 %. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Al =
igual que en=20
otros reportes,<SUP>10,18</SUP> la insuficiencia card=EDaca intratable =
(44,5 %) y=20
la infecci=F3n resistente al tratamiento (40,4 %) encabezaron las =
indicaciones del=20
tratamiento quir=FArgico (p&lt; 0,0002) en nuestros pacientes. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>El =
reemplazo=20
valvular con pr=F3tesis mec=E1nicas 55,5 % (n=3D 95) aislados o =
combinados con otros=20
procederes y la extracci=F3n de cables, generadores, vegetaciones y =
plastias a 64=20
pacientes (39,3 %), fueron las principales t=E9cnicas quir=FArgicas =
empleadas en=20
nuestra serie, unidas al desbridamiento y colocaci=F3n de parches de =
pericardio o=20
tefl=F3n en los casos de abscesos perianulares. En la actualidad, se =
recomienda=20
por muchos autores la reparaci=F3n o plastia de la v=E1lvula mitral de =
ser esto=20
posible.<SUP>17,18</SUP> <I>Gulbins</I> y colaboradores, utilizaron =
homoinjertos=20
criopreservados para reemplazo valvular mitral en endocarditis=20
aguda.<SUP>19</SUP> La implantaci=F3n de homoinjertos criopreservados o=20
esterilizados con antibi=F3ticos son la elecci=F3n para las EI, tanto de =
v=E1lvula=20
nativa como prot=E9sica y sus complicaciones.<SUP>20,21</SUP> El =
reemplazo=20
valvular mitral solo se realiza si hay destrucci=F3n del anillo. La =
t=E9cnica de=20
elecci=F3n en la Endocarditis Tricusp=EDdea es la reparaci=F3n o plastia =
y en caso de=20
no poder realizarse, se efectuar=E1 el reemplazo con pr=F3tesis valvular =
biol=F3gica o=20
mec=E1nica. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>El =
reemplazo=20
valvular a=F3rtico con un autoinjerto pulmonar (operaci=F3n de Ross), se =
ha=20
efectuado en ni=F1os y adultos j=F3venes con EI. El implante de =
pr=F3tesis mec=E1nicas=20
no est=E1 proscrito. El cirujano elige la t=E9cnica de acuerdo con los =
hallazgos=20
durante el acto quir=FArgico y su experiencia personal. No poseemos =
homoinjertos=20
criopreservados, los que no est=E1n libres de complicaciones. En =
ocasiones deben=20
ser explantados por degeneraci=F3n. La presencia de linfocitos T sugiere =

rechazo.<SUP>20 </SUP></FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2>Complicaciones=20
postoperatorias se presentaron en el 22,6 % de los pacientes, cifra =
elevada pero=20
similar o inferior a otras reportadas. <I>McKay</I> y colaboradores, =
informaron=20
complicaciones postquir=FArgicas en el 41,8 % de sus casos al revisar =
los=20
resultados del tratamiento quir=FArgico en 12 a=F1os de =
experiencia.<SUP>22</SUP>=20
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>La =
mortalidad=20
perioperatoria fue del 16,5 % (n=3D 27). Consideramos aceptable esta =
cifra dada la=20
gravedad de los pacientes operados, que se encontraban, en su mayor=EDa, =
en=20
capacidades funcionales III-IV (NYHA). </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><I>Jassal DS,=20
Alexiou S</I> y <I>Murashita T</I>, reportan mortalidades =
perioperatorias de un=20
15,4, 11 y 17, 8 % respectivamente.<SUP>7,16,23</SUP> </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Hubo =
recidivas en=20
el 2 % de los pacientes. Fallecieron 6 pacientes (3,6 %); a los 4, 14, =
36, 50,=20
64, 96 meses despu=E9s del alta hospitalaria. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Aunque =
la=20
mortalidad por Endocarditis infecciosa todav=EDa es alta, el tratamiento =

quir=FArgico ha sido efectivo y ha rescatado a muchos pacientes que de =
otra forma=20
no hubieran sobrevivido. Sugerimos realizar tratamiento quir=FArgico =
precozmente=20
en pacientes con sepsis y cuerpos extra=F1os, a fin de restablecer la =
estabilidad=20
hemodin=E1mica, ex=E9resis de focos s=E9pticos y, por ende, disminuir la =

morbimortalidad por la EI.</FONT>
<P>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2><B><FONT=20
size=3D3>REFERENCIAS BIBLIOGR=C1FICAS</FONT> </B></FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>1. =
Mylonakis E,=20
Calderwood S. Infective Endocarditis in Adults. N Eng J Med =
2001;345:1318-30.=20
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>2. =
Korneev NV,=20
Tuirin VP, Chernov M. Transesophageal echocardiography in diagnosis of=20
infectious endocarditis. Klin Med (Mosk) 1999;77:21-4. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>3. =
Durack MB, David=20
T, D Phil, Lukes A. Endocarditis Service. New criteria for Diagnosis of=20
Infective endocarditis; utilization of specific Echocardiographyc =
findings. Am J=20
Med 1994;96:200-9. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>4. =
Gratz S, Raddatz=20
D, Hagenah G, Becker W. 99 mTC-labelled antigranulocyte monoclonal =
antibody FAB'=20
fragments versus echocardiography in the diagnosis of subacute infective =

endocarditis. Int J Cardiol 2000;75:75-84. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>5. =
Hogevik L,=20
Clawson L, Anderson R, Lindberg J, Alestig K. Epidemiologic aspects of =
infective=20
endocarditis in an urban population: a 5 year prospective study. =
Medicine=20
(Baltimore) 1995;74:332-9. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>6. =
Watanakunakorn=20
C, Burkert T. Infective endocarditis at a large community teaching =
hospital.=20
Medicine (Baltimore) 1993;72:90-102. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>7. =
Jassal DS.=20
Surgical management of infective endocarditis: early predictors of short =
term=20
morbidity and mortality Ann Thorac Surg 2006;82:524-9. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>8. =
Jalal S.=20
Clinical spectrum of infective endocarditis. 15 years experience. Indian =
Heart J=20
1999;50:516-9. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>9. =
Bedia JA, Strom=20
BL. Incidence of infective endocarditis in the Delaware Valley, =
1988-1990. Am J=20
Cardiol 1995;76:933-6. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>10. =
Cabell CH,=20
Abruptyn E, Karchmer AW. Bacterial Endocarditis_The disease. Treatment =
and=20
Prevention. Circulation 2003;107:185. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>11. =
Mart=EDnez Mu=F1iz=20
JO, Mach=EDn Rodr=EDguez JC, Castellanos Tardo J, Luque Borjas E, Pe=F1a =
Reyes JM.=20
Endocarditis infecciosa por cat=E9ter retenido intracardiaco [art=EDculo =
en l=EDnea].=20
MEDISAN 2005;9(1). <A=20
href=3D"http://bvs.sld.cu/revistas/san/vol9_1_05/san17105.htm">http://bvs=
.sld.cu/revistas/san/vol9_1_05/san17105.htm</A>=20
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>12. =
Kaye D.=20
Endocarditis infecciosa. Harrison. Principios de Medicina Interna Vol. 1 =
ed.=20
Cap. 126. M=E9jico: McGraw-Hill Interamericana 1998:896-903. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>13. =
Negr=EDn JE,=20
Rosell=F3 N, S=E1nchez J, Negr=EDn JA, Rosell=F3 Y, Dom=EDnguez JA. =
Endocarditis=20
infecciosa. An=E1lisis de 5 a=F1os (1997-2001) en el Hospital Hermanos =
Ameijeiras=20
[art=EDculo en l=EDnea]. Rev Cubana Med 2003;42(5). <A=20
href=3D"http://bvs.sld.cu/revistas/med/vol42_5_03espe/med04503.htm">http:=
//bvs.sld.cu/revistas/med/vol42_5_03espe/med04503.htm</A><FONT=20
color=3D#ff0000> </FONT></FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>14. =
Zulueta Fuentes=20
JM, Crespo A, Castro J, Barrera J. Endocarditis infecciosa. An=E1lisis=20
retrospectivo de tres a=F1os (1995-1997). Rev Cubana Cardiol Cir =
Cardiovasc=20
1999;13:19-25. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>15. =
Proen=E7a R,=20
Serrano A, Martins T. Infective endocarditis. Acta Med Port =
1999;12:381-6.=20
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>16. =
Alexiou C,=20
Langley SM, Stafford H. Surgery for active culture positive =
endocarditis:=20
determinants of early and late outcome. Ann Thorac Surg 2000;69:1448-54. =
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>17. =
Mihaljevic T,=20
Paul S, Leacche M. Tailored surgical therapy for acute native mitral =
valve=20
endocarditis. J Heart Valve Dis 2004;13:210-6. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>18. =
Tuladivar SM,=20
Punjabi PP. Surgical reconstruction of the Mitral Valve. Heart =
2006;92:1373-7.=20
</FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>19. =
Gulbins H,=20
Krenzer E, Haushofer M, Uhlig, Reichart B. Homografts for mitral valve=20
replacement in florid endocarditis - an alternative to prosthetic =
replacement. Z=20
Kardiol 1999;88:363-8. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>20. =
Vogt PR, von=20
Segesser LK, Jenni R, Niederhauser U. Emergency surgery for acute =
infective=20
aortic valve endocarditis; performance of cryopreserved homografts an =
mode of=20
failure. Eur J Cardiothoracic Surg 1977;11:53-61. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>21. =
Peri MarKcM,=20
Vuk F, Huski Markc. Active infective endocarditis: low mortality =
associated with=20
early surgical treatment. Cardiovasc Surg 2000;8:208-13. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>22. =
McKay G, Bunton=20
R. Infective endocarditis - a twelve year surgical outcome series. New Z =
Med J=20
2002;115:124-26. </FONT>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>23. =
Murashita T,=20
Sugiki H. Surgical results for active endocarditis with prosthetic valve =

replacement: impact of culture - negative endocarditis on early and late =

outcomes. Eur J Cardiothoracic Surg 2004;26:1104-11.</FONT>=20
<P>
<P>
<P>
<P>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" =
size=3D2>Recibido: 2 de=20
agosto de 2009<BR></FONT><FONT face=3D"Verdana, Arial, Helvetica, =
sans-serif"=20
size=3D2>Aprobado: 26 de septiembre de 2009</FONT>=20
<P>
<P>
<P>
<P>
<P>
<P><FONT face=3D"Verdana, Arial, Helvetica, sans-serif" size=3D2>Dr. =
<I>Milvio=20
Ram=EDrez</I>. Instituto de Cardiolog=EDa y Cirug=EDa Cardiovascular. =
Calle 17 No. 702=20
e/ A y Paseo. El Vedado, Ciudad de La Habana, Cuba.<BR>Direcci=F3n de =
contacto:=20
<U><FONT color=3D#0000ff><A=20
href=3D"mailto:milvio.ramirez@infomed.sld.cu">milvio.ramirez@infomed.sld.=
cu</A></FONT></U>=20
</FONT>
<P>
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