Inflammatory Effects of Blood-Air Interface in a Porcine Cardiopulmonary Bypass Model.
ASAIO J
; 66(1): 72-78, 2020 01.
Article
en En
| MEDLINE
| ID: mdl-30585871
ABSTRACT
Cardiopulmonary bypass (CPB) causes a systemic inflammatory response syndrome (SIRS) associated with multiorgan injury. A model was developed to test whether a blood-air interface (BAI) in the CPB circuit causes blood element activation and inflammation. Ten healthy swine were placed on partial CPB for 2 hours via the cervical vessels and monitored for 96 hours postoperatively. Five pigs (control group) had minimal air exposure in the circuit, while five were exposed to a BAI simulating cardiotomy suction. There were no significant differences in bypass flow or hemodynamics between the groups. In the BAI group, there was an increase in hemolysis after bypass (plasma-free hemoglobin 5.27 ± 1.2 vs. 0.94 ± 0.8 mg/dl; p = 0.01), more aggressive platelet consumption (28% vs. 83% of baseline; p = 0.009), leukocyte consumption (71% vs. 107% of baseline; p = 0.02), and increased granulocyte CD11b expression (409% vs. 106% of baseline; p = 0.009). These data suggest the inflammatory pattern responsible for the CPB-SIRS phenomenon may be driven by blood-air interaction. Future efforts should focus on BAI-associated mechanisms for minimizing blood trauma and inflammation during CPB.
Texto completo:
1
Base de datos:
MEDLINE
Asunto principal:
Puente Cardiopulmonar
/
Síndrome de Respuesta Inflamatoria Sistémica
Límite:
Animals
Idioma:
En
Revista:
ASAIO J
Asunto de la revista:
TRANSPLANTE
Año:
2020
Tipo del documento:
Article