Frosh A C, Jayaraj S, Porter G, Almeyda J
Department of Otolaryngology and Head and Neck Surgery, St. Mary's Hospital, London, UK.
Clin Otolaryngol Allied Sci. 1998 Jun;23(3):259-62. doi: 10.1046/j.1365-2273.1998.00149.x.
Although the application of a topical local anaesthetic before fibreoptic nasendoscopy is routine practice in many otolaryngological outpatients, the actual benefit to the patient of this procedure remains in doubt. Eighty-two patients were recruited in this double-blind randomized control trial which compared the patients' experiences of fibreoptic nasendoscopy with nasal preparations of Xylocaine (lidocaine), normal saline, and no spray to the nose and throat. A visual analogue scoring system was used to determine scores for the overall unpleasantness of procedure, receiving a spray, and taste of the spray, and pain. This study has shown significantly worse overall experience (P = 0.001) and pain (P = 0.048) scores for Xylocaine spray versus no spray. It is concluded that the routine use of topical local anaesthetics within the nose before routine fibreoptic nasendoscopy is not only of no value, but actually makes the experience worse for the patient.
尽管在许多耳鼻喉科门诊中，在纤维鼻咽喉镜检查前应用局部麻醉剂是常规操作，但这一操作对患者的实际益处仍存疑问。在这项双盲随机对照试验中招募了82名患者，该试验比较了患者在接受纤维鼻咽喉镜检查时使用利多卡因鼻腔制剂、生理盐水以及未对鼻和咽喉进行喷雾的体验。采用视觉模拟评分系统来确定操作总体不适感、接受喷雾、喷雾味道以及疼痛的评分。这项研究表明，与未喷雾相比，利多卡因喷雾组的总体体验（P = 0.001）和疼痛评分（P = 0.048）明显更差。得出的结论是，在常规纤维鼻咽喉镜检查前在鼻腔内常规使用局部麻醉剂不仅没有价值，实际上还会使患者的体验更糟。
