针刺试验是检查白塞氏病的特异性试验,其做法为: 用20-22号无菌针头在前臂屈面中部斜行刺入约0.5cm,沿纵向稍作捻转后退出,24-48小时后局部出现直径》2mm的毛囊炎样小红点或者脓疱疹样改变为阳性。 此试验特异性较高且与疾病活动性相关,阳性率约60%-78%。 静脉穿刺或皮肤创伤后出现的类似皮损具有同等价值。
粉尘螨及屋尘螨过敏原皮肤针刺试验结果与哮喘急性发作严重程度有关。
Results of dermatophagoides farinae and dermatophagoides pteronyssinus by skin prick test were related to the grades of asthma.
接尘工人的皮肤针刺试验和鼻粘膜激发试验的阳性率分别达11 5 % ,4 6 %。
Meanwhile, positive rates of skin prick test and nose stimulating test in tobacco workers were 11 5% and 4 6% respectively.
在试验生物学和医学公告上发表的一个研究中,48个志愿者在吸入催产素气雾之后,接受手指针刺试验,其痛觉阈值降低了一半以上。
In a study published in the Bulletin of Experimental Biology and Medicine, 48 volunteers who inhaled oxytocin vapor and then had their fingers pricked lowered their pain threshold by more than half.
应用推荐