Impact of protamine injected into ascending aorta on C3a and C5a concentration in infants underwent cardiopulmonary bypass
10.3760/cma.j.issn.1008-6315.2012.08.016
- VernacularTitle:升主动脉注射鱼精蛋白对体外循环后C3a和C5a的影响
- Author:
Dingrong SHEN
;
Qing ZHANG
;
Tao WANG
;
Baoying MENG
;
Chao MA
;
Xiaoli TAN
- Publication Type:Journal Article
- Keywords:
Protamine;
Cardiopulmonary bypass;
Lung preservation;
Anaphylatoxin
- From:
Clinical Medicine of China
2012;28(8):831-833
- CountryChina
- Language:Chinese
-
Abstract:
Objective To observe and evaluate the changes in plasma C3a and C5a concentration after injecting protamine via two different pathways:ascending aorta and superior vena cava.Methods Sixty children with age under 1-year-old who underwent cardiopulmonary bypass were randomly divided into two groups:experimental group(injecting protamine via ascending aorta,n =30)and control group(injecting protamine viasuperior vena cava,n =30;).The plasma concentration of C3a and C5a were measured by ELISA at prior to protamine injected(Time 1)and 1 hour after the protamine injected(Time 2).Results In experimental group,there was no statistical difference on C3a and C5a concentration before and after injection of protamine[C3a:(18.762±3.792) μg/L vs(19.554±3.453) μg/L,t =-0.846,P =0.20; C5a:(0.843±0.159) μg/L vs (0.825±0.119) μg/L,t =0.496,P =0.31].In control group,C3 a concentration increased from(18.780±3.864) μg/L to(22.961±3.501) g/L,C5a concentration increased from(0.839±0.157) μg/L to(0.979±0.116)μg/L after injection of protamine,and the differences were significant(t =-4.392,-3.928,respectively,P ＜0.01).The level of C3a concentration in experimental group was significantly higher than that in control group[(19.554±3.453) μg/L vs.(22.961±3.501) μμg/L,ι =3.795,P < 0.01]after injection of protamine for 1 h and the level of C5a concentration exhibited the same change[(0.825±0.119) μg/L vs.(0.979±0.116)μg/L,t =-5.075,P ＜0.01].Conclusion The levels of C3a and C5a concentration of infants underwent cardiopulmonary bypass are decreased significantly after protamine injected via ascending aorta compated with via superior vena cava.
