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Información de la revista
Vol. 75. Núm. 6.
Páginas 350-355 (junio 2004)
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Vol. 75. Núm. 6.
Páginas 350-355 (junio 2004)
Acceso a texto completo
Proteínas de choque térmico en el estrés quirúrgico: toracotomía frente a herniorrafia
Heat shock proteins in surgical stress: Thoracotomy vs herniorrhaphy
Visitas
5823
María Concepción Guisasolaa,1
Autor para correspondencia
hsp@mce.hggm.es

Correspondencia: Dra. M.C. Guisasola. Unidad de Medicina y Cirugía Experimental. Hospital General Universitario Gregorio Marañón. Doctor Esquerdo, 46. 28007 Madrid. España.
, Rafael Ramosb, Lorenzo Fernández-Querob, Antonio Suáreza, Pedro García-Barrenoa
a Laboratorio de Biología Celular. Unidad de Medicina y Cirugía Experimental. Hospital General Universitario Gregorio Marañón. Madrid.
b Servicio de Anestesia y Reanimación. Hospital General Universitario Gregorio Marañón. Madrid. España.
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Información del artículo
Resumen
Bibliografía
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Estadísticas
Resumen
Introducción

El estrés quirúrgico y anestésico libera citocinas y especies reactivas de oxígeno capaces de inducir la síntesis de las proteínas de choque térmico (HSP), proteínas con propiedades inmunomoduladoras y potentes autoantígenos. Se pretende estudiar la biología de las HSP70 intraleucocitarias y la posible respuesta autoinmunitaria desencadenada por 2 tipos diferentes de agresión quirúrgica.

Pacientes y método

Grupo I: grupo control con 3 pacientes. Grupo II: grupo de toracotomía, cirugía radical y anestesia general, con 6 pacientes. Grupo III: grupo de cirugía poco radical, herniorrafia y raquianestesia, con 4 pacientes. Se analizaron HSP70 intraleucocitarias y anticuerpos anti-HSP70i, antes (T0) y 24 h después de la intervención (T1).

Resultados

El 50% de los pacientes expuestos a toracotomía presentó un significativo descenso del contenido de HSP intracelulares en el postoperatorio, simultáneo al incremento de los valores de autoanticuerpos anti-HSP70i. El grupo de pacientes expuestos a herniorrafia con anestesia locorregional no desarrolló respuesta autoinmunitaria.

Conclusiones

En el limitado número de pacientes estudiados, la enfermedad neoplásica y la mayor agresividad de la toracotomía parecen asociarse con una reducción de las HSP en comparación con lo que sucede en los pacientes más sanos a los que se les realizó una herniorrafia. La disminución de las HSP fue simultánea a la presencia de autoanticuerpos circulantes. No se observó relación entre el estado inmunitario previo y la respuesta autoinmunitaria en el postoperatorio inmediato.

Palabras clave:
Cirugía
Anestesia
Estrés
Proteínas de choque térmico
Leucocitos polimorfonucleares neutrófilos
Autoinmunidad
Introduction

Surgical and anesthetic stresses release cytokines and reactive oxygen species, able to induce the synthesis of heat shock proteins (HSPs). HSPs are immunomodulating molecules and harmful autoantigens. We aimed to study the biology of intracellular HSPs70 and the possible autoimmune response triggered by two different types of surgical stress.

Patients and method

Group I: control (n = 3). Group II: thoracotomy, aggressive surgery and general anesthesia (n = 6). Group III: herniorrhaphy and spinal anesthesia (n = 4). Intraleukocyte HSP70s and autoimmune response were analyzed before (T0) and 24h after surgery (T1).

Results

Fifty percent of the patients who underwent thoracotomy showed a significant decrease in intracellular HSPs, simultaneously with raised levels of antiHSP70i autoantibodies in the early postoperative period. Patients who underwent herniorrhaphy with local anesthesia did not develop autoimmunity.

Conclusions

In the limited number of patients studied, neoplastic disease and the greater aggressiveness of thoracotomy seem to be associated with a reduction of HSPs, unlike healthy patients who underwent herniorrhaphy. An intracellular decrease in HSPs was simultaneous to the onset of circulating autoantibodies. No relationship was found between the prior immune status of the patient and autoimmune response in the immediate postoperative period.

Key words:
Surgery
Anesthesia
Stress
Heat shock proteins
Polymorphonuclear neutrophilic leukocytes
Autoimmunity
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Este trabajo ha sido financiado en parte con una ayuda FIS. 0013/01.

Copyright © 2004. Asociación Española de Cirujanos
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