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澳大利亚的医生们提出硝酸甘油软膏的一种新用途,据云应用该制剂能减轻静脉进针时的痛苦。他们进行了如下实验,在麻醉前先将该软膏(相当于硝酸甘油1～2mg)涂于病人的手部,同时以安慰剂软膏作对照,然后评价麻醉诱导期时进针的容易程度。由于局部使用低剂量的硝酸甘油可以产生局部血管扩张作用,故涂布硝酸甘油软膏的病人手部静脉要比用安慰剂软膏的病人手部静脉易于寻找,而且比较容易进针。除手部有刺痛感外,上述剂量无任何副
Australian doctors have proposed a new use of nitroglycerin ointment, according to the cloud application of the preparation can reduce the pain of intravenous injection needle. They performed the following experiment, applying the ointment (equivalent to 1-2 mg of nitroglycerin) to the patient’s hand before anesthesia while taking placebo ointment as a control, and then evaluating the ease of needle insertion during the induction period. Due to the local use of low doses of nitroglycerin can produce local vasodilation, it is easier to find the hand vein of patients coated with nitroglycerin ointment than the hand vein of patients with placebo ointment, and more easily into the needle. In addition to the hand tingling, the above dose without any deputy