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如今,对于一些简单的先天性心脏病手术中往往采用常温体外循环技术,运用该技术可以缩短体外循环时间,而且常温状态更接近生理,可能有利于患者术后的恢复。不过,常温状态下机体代谢率没有明显的变化,对氧的需求明显高于低温体外循环,因此,在常温状态下应如何运用血液稀释技术才能即满足机体的氧供,又减少血制品的用量是值得研究的课题。本课题研究不同血液稀释度对常温体外循环的影响。1对象与方法2002年1月-2003年1月,选择40例先天性室间隔缺损患儿,随机分成两组(A组和B组),每组加例。A组男12例,女8例,年龄3个月-2岁,平均(2.42±1.08)岁,体重6～14kg,平均(11.05±1.72)kg;B组男10例,女10例,年龄4
Today, for some simple congenital heart disease surgery is often used at room temperature, cardiopulmonary bypass technology, the use of this technology can shorten the cardiopulmonary bypass time, and at room temperature state closer to physiology, may be beneficial to patients with postoperative recovery. However, there is no obvious change in body metabolic rate at room temperature, and the demand for oxygen is obviously higher than that of hypothermic cardiopulmonary bypass. Therefore, how to use hemodilution technology at normal temperature to satisfy the body’s oxygen supply and reduce the amount of blood products It is worth studying. This study investigated the effect of different hemodilution on CPB at room temperature. 1 objects and methods January 2002 -2003 in January, 40 cases of congenital ventricular septal defect were selected, were randomly divided into two groups (A and B groups), each group plus an additional. A group of 12 males and 8 females, aged 3 months -2 years old, mean (2.42 ± 1.08) years old, body weight 6 ~ 14kg, an average of (11.05 ± 1.72) kg; B group of 10 males and 10 females, age 4