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The Effects of Leukocyte Depleted Priming Solution on the Gastric Mucosal CO2 Partial Pressure and Serum IL-8 Level during Cardiopulmonary Bypass in Korean Mongrel Dogs / 대한흉부외과학회지
The Korean Journal of Thoracic and Cardiovascular Surgery ; : 807-814, 2005.
Artículo en Coreano | WPRIM | ID: wpr-156523
ABSTRACT

BACKGROUND:

Cardiopulmonary bypass is an essential process to maintain circulation for saving life during the cardiac surgery. But it is a process in which systemic inflammation was evoked inevitably because of the exposure of blood to foreign surface. The injuries to distal organs during the cardiopulmonary bypass were resulted from systemic inflammation and the disturbances of micro-circulations in the organs. We designed this study to research the effects of leukocyte depletion from pump-oxygenator priming solution on the systemic inflammation, and the micro-circulation of gastric mucosa that is suggested by the gastric mucosal CO2 partial pressure and acidity. MATERIAL AND

METHOD:

The dogs were divided into three groups according to the different pump-oxygenator priming solutions; non-hemic crystalloid solution; leukocyte-depleted homologous blood; and non leukocyte-depleted homologous blood. Each priming solution group contained five dogs. In all three groups, 2 hours of cardiopulmonary bypass, and 4 consecutive hours of general anesthesia was maintained on the mechanical ventilation. Each dog was evaluated for the gastric mucosal pH, CO2 partial pressure, arterial pH, CO2 partial pressure, the exhaled air CO2 partial pressure and the level of IL-8 on before the cardiopulmonary bypass, 1 hour after the cardiopulmonary bypass, 2 hours after the cardiopulmonary bypass, 2 hours after the restoration of normal circulation, and 4 hours after the restoration of normal circulation after the cardiopulmonary bypass. The levels of IL-8 were measured with ELISA (enzyme linked immunosorbent assay) technique.

RESULT:

1. There were significant differences of gastric mucosal CO2 partial pressure between the leukocyte-depleted homologous blood group and other two groups(vs non leukocyte-depleted homologous blood group; p=0.02, vs non-hemic crystalloid solution group; p=0.01). 2. The gastric mucosal pH of leukocyte-depleted homologous blood group was significantly different from non leukocyte-depleted homologous blood group (p=0.01). 3. The levels of IL-8, which examine the systemic inflammation, showed significantly better results in leukocyte-depleted homologous blood group and non-hemic crystalloid solution group than non leukocyte-depleted homologous blood group (p=0.01, 0.01).

CONCLUSION:

Based upon these results, we concluded that the leukocyte depletion from the pump-oxygenator priming solution has a beneficial effects in reducing systemic inflammation and the preserving of gastric mucosal micro-circulation.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Presión Parcial / Respiración Artificial / Cirugía Torácica / Ensayo de Inmunoadsorción Enzimática / Puente Cardiopulmonar / Interleucina-8 / Interleucinas / Síndrome de Respuesta Inflamatoria Sistémica / Mucosa Gástrica / Concentración de Iones de Hidrógeno Límite: Animales Idioma: Coreano Revista: The Korean Journal of Thoracic and Cardiovascular Surgery Año: 2005 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Presión Parcial / Respiración Artificial / Cirugía Torácica / Ensayo de Inmunoadsorción Enzimática / Puente Cardiopulmonar / Interleucina-8 / Interleucinas / Síndrome de Respuesta Inflamatoria Sistémica / Mucosa Gástrica / Concentración de Iones de Hidrógeno Límite: Animales Idioma: Coreano Revista: The Korean Journal of Thoracic and Cardiovascular Surgery Año: 2005 Tipo del documento: Artículo