방광경 검사 후 Phenazopyridine HCl의 진통효과에 대한 전향적 무작위 대조군 비교연구
A Randomized, Prospective, Placebo/Controlled Study for the Effect of Phenazopyridine HCl on Pain Perception following Cystoscopy
김태남, 정문기,
소속 상세정보
김태남 ( Kim Tae-Nam )
부산대학교 의과대학 비뇨기과학교실
정문기 ( Chung Moon-Kee )
부산대학교 의과대학 비뇨기과학교실
KMID : 0358320060470010097
Abstract
Purpose: This study was designed to evaluate the analgesic effect, the side effects and the safety of using phenazopyridine HCl after cystoscopy, which is a drug that exerts a topical analgesic effect on the mucosa of the urinary tract.
Materials and Methods: The 63 patients who underwent cystoscopy at Pusan National University of Hospital from May 2004 to March 2005 were assigned to one of two groups(the experimental group had 35 patients and the control group had 30 patients). The experimental group was administrated antibiotics and phenazopyridine 200mg tid for 4 days and the control group was administrated antibiotics and digestives tid for 4 days. The analgesic effects were assessed with using the Numeric Pain Intensity Scale(NPIS) and the 4-point Categorical scale(CAT).
Results: The mean age of the phenazopyridine and control groups were 62.5。8.5 and 60.4。10.4 years, respectively, and follow-up period was 7 days. The amount of pain gradually decreased from the day 1 to day 7. The score of the NPIS in the experimental group was less than that of the control group, especially on day 1 and 2 after cystoscopy(p＜0.05). The score of the CAT in the experimental group was less than that in the control group, especially on day 1 after cystoscopy(p＜0.05). At for the degree of pain for consecutive cystoscopy in the same patients, 22 patients(84.7%) answered it was less painful, 3 (11.5%) answered it was the same as before and 1(3.8%) answered it was more painful in the experimental group; 2 patient(8.7%) said it was less painful, 19(82.6%) said it was the same as before and 2(8.7%) said it was more painful in the control group. Side effects were not observed in all cases.
Conclusions: We conclude that phenazopyridine HCl is effective for early acute pain relief following cystoscopy without side effects, and it is safe when used in combination with antibiotics. (Korean J Urol 2006;47:97-100)
키워드
Phenazopyridine;Pain measurement;Cystoscopy
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