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首页> 外文期刊>Perfusion >Milrinone, a phosphodiesterase III inhibitor, prevents reduction of jugular bulb saturation during rewarming from hypothermic cardiopulmonary bypass
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Milrinone, a phosphodiesterase III inhibitor, prevents reduction of jugular bulb saturation during rewarming from hypothermic cardiopulmonary bypass

机译:Milrinone,一种磷酸二酯酶III抑制剂,可防止低温低温心肺分流术加温时减少颈球饱和度

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Introduction: Inadequate cerebral oxygen balance during cardiopulmonary bypass may cause neuropsychological dysfunction. Milrinone, a phosphodiesterase III inhibitor, augments cerebral blood flow by direct vasodilatation. We conducted a prospective, randomized study in patients undergoing cardiac surgery with cardiopulmonary bypass to clarify the clinical efficacy of milrinone in the imbalance of cerebral oxygen supply and demand during the rewarming period of cardiopulmonary bypass. Methods: This is a prospective, randomized and placebo-controlled study. After anesthesia, a 5.5 F fiberoptic oximeter catheter was inserted into the right jugular bulb retrogradely for monitoring the jugular venous oxyhemoglobin saturation (SjO 2). Patients were randomly assigned to two groups, one receiving a continuous infusion of milrinone, 0.5 μg/kg/min during hypothermic cardiopulmonary bypass, and the other receiving saline as control. Results: Milrinone significantly prevented the reduction of the jugular venous oxyhemoglobin saturation at 10 minutes from the start of rewarming compared with the control group, but did not do so from 10 to 20 minutes after rewarming. Conclusion: Milrinone suppresses the reduction of SjO 2 and improves the balance of cerebral oxygen supply and demand during the early rewarming period of hypothermic cardiopulmonary bypass.
机译:简介:体外循环期间脑氧平衡不足可能会导致神经心理功能障碍。 Milrinone是磷酸二酯酶III抑制剂,可通过直接血管舒张作用增加脑血流量。我们对接受心肺转流术的心脏手术患者进行了一项前瞻性,随机研究,以阐明米力农在心肺转流复温期对脑供氧失衡的临床疗效。方法:这是一项前瞻性,随机和安慰剂对照研究。麻醉后,将5.5 F光纤血氧仪导管逆行插入右颈球,以监测颈静脉血氧合血红蛋白饱和度(SjO 2)。患者被随机分为两组,一组接受低温体外循环期间连续输注米力农,0.5μg/ kg / min,另一组接受生理盐水作为对照。结果:与对照组相比,米力农在重温开始后10分钟时显着阻止了颈静脉氧合血红蛋白饱和度的降低,但在重温后10至20分钟时却没有阻止。结论:米力农抑制低温低温体外循环的早期加温期SjO 2的减少并改善脑氧供需平衡。

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