Monocyte function-associated antigen expression during and after pediatric cardiac surgery.

Détails

ID Serval
serval:BIB_DA0F8E90DB7C
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Monocyte function-associated antigen expression during and after pediatric cardiac surgery.
Périodique
Journal of Thoracic and Cardiovascular Surgery
Auteur(s)
Gessler P., Pretre R., Bürki C., Rousson V., Frey B., Nadal D.
ISSN
0022-5223 (Print)
ISSN-L
0022-5223
Statut éditorial
Publié
Date de publication
2005
Peer-reviewed
Oui
Volume
130
Numéro
1
Pages
54-60
Langue
anglais
Notes
Publication types: Publication Status: ppublish
Résumé
OBJECTIVE: Systemic inflammatory response syndrome and infectious complications are major causes of morbidity and mortality after cardiopulmonary bypass. Recent work in adult patients suggests that the balance between proinflammatory and anti-inflammatory mediators is important. We hypothesized that the expression of different function-related receptors on circulating monocytes might reflect the net response of the inflammatory reaction.
METHODS: We performed a prospective and observational study in a tertiary pediatric cardiac center in a population of children (n = 40) undergoing elective cardiac surgery. Expression of receptors on the surface of monocytes was assessed before, during, and after surgical intervention.
RESULTS: Early monocyte activation was demonstrated by changes of the expression of the chemokine receptor CCR2, which was inversely correlated with plasma levels of monocyte chemotactic protein 1 (rho = -0.54, P = .002). High levels of monocyte chemotactic protein 1 were found in children with high expression of the adhesion receptor CD11b/CD18 on circulating monocytes. The intensity of human leukocyte antigen DR expression rapidly decreased in all children after the onset of cardiopulmonary bypass ( P < .001). Low human leukocyte antigen DR expression was correlated with increased plasma levels of interleukin 10 postoperatively. Children who had signs of bacterial pneumonia postoperatively had lower levels of human leukocyte antigen DR expression before surgical intervention (relative risk, 13.3; P = .007).
CONCLUSIONS: The expression of monocyte function-related receptors is altered after cardiac surgery. Early activation of monocytes by monocyte chemotactic protein 1 possibly released from the heart is followed by an anti-inflammatory response with suppression of monocyte human leukocyte antigen DR expression. The increased risk of bacterial infection after pediatric cardiac surgery can be anticipated by surveillance of monocyte function before surgical intervention.
Pubmed
Web of science
Open Access
Oui
Création de la notice
16/12/2014 18:47
Dernière modification de la notice
09/05/2019 2:03
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