体外循环中低流量肺动脉灌注对肺功能的影响
【目的】探讨体外循环中低流量肺动脉灌注对肺功能影响的作用机理。【方法】体质量18-22kg的杂种犬10只,随机分为对照组(n=5)和肺灌注组(n=5)。常规建立体外循环。肺灌注组用氧合血30mL/(kg·min)灌注肺动脉。分别于转流前,停体外循环即刻,转流后1h,转流后2h采集数据,计算氧合指数、肺动态顺应性。检测肺静脉血丙二醛(MDA)、超氧化物歧化酶(SOD)、细胞间黏附分子1(ICAM-1)和P选择素。【结果】转流后肺灌注组犬的肺动态顺应性和氧合指数明显高于对照组(P〈0.05)。两组肺静脉血MDA和SOD总体差异有统计学意义(P〈0.05),肺灌注组MDA含量低于对照组,SOD活性高...
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Main Authors: | , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2006-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Subjects: | |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43583934/ |
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