นิพนธ์ต้นฉบับกมล Vol. 52 เล่ม 3 หน้า 169-176.pmd

Objectives To study the benefit of intraurethral lidocaine jelly instillation before flexible cystoscopic examination regarding patients tolerance to pain compared with the plain lubricant. Research design Randomized prospective study Setting The Outpatient Urologic Clinic at King Chulalongkorn Memorial Hospital Methods We compared the anesthetic effect of 10 cc intraurethral 2 % lidocaine jelly (N= 80) and 10 cc plain lubricant (N = 80) for outpatient flexible cystoscope in male patients. The age, diagnosis, prostatic size and examination time were recorded. After the procedure, the following data of the patient were recorded: level of pain experienced during gel instillation, during cystoscopic examination based on a 100 mm. visual analog scale. A questionnaire on satisfaction of anesthesia, requirement of analgesic drug, willingness to use the same anesthesia for next cystoscopy and requirement of general or spinal anesthesia for next cystoscopy were also recoreded. นิพนธ์ต้นฉบับ