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  • Title: Effects of hyaluronic acid and carboxymethylcellulose on urethral stricture after transurethral resections of the prostate for benign prostatic hyperplasia: a multicenter, single blinded, randomized controlled study.
    Author: Chung JH, Kang DH, Moon HS, Jeong TY, Ha US, Han JH, Yu JH, Park J, Cho JM, Yoo TK, Kim TH, Lee SW.
    Journal: J Endourol; 2013 Apr; 27(4):463-9. PubMed ID: 23368701.
    Abstract:
    PURPOSE: To evaluate the effect of hyaluronic acid (HA) and carboxymethylcellulose (CMC) instillation after transurethral resection of the prostate (TURP) on preventing urethral stricture. PATIENTS AND METHODS: A total of 180 patients underwent TURP for benign prostatic hyperplasia. Recruited patients were randomly divided into two groups: Groups A and B. Patients in group A (90 patients, experimental group) received HA/CMC instillation, and patients in the group B (90 patients, control group) received lubricant instillation after TURP. Each patient was evaluated at 4 weeks (V1), 12 weeks (V2), and 24 weeks (V3) after the surgery. The effectiveness of HA/CMC instillation was evaluated based on the International Prostate Symptom Score/Quality of Life, peak urine flow rate, voided volume, and postvoid residual volume. The visual analogue scale (VAS) pain score and degree of satisfaction were also determined for each participant. RESULTS: Among 180 initial participants, 80 patients in group A and 81 patients in group B had completed the experiment. VAS pain scores were 0.75±0.75 and 1.75±1.37 (P<0.001), and degrees of satisfaction were 0.63±0.66 and 0.91±0.51 in group A and group B at 1 month after surgery (P=0.002). By retrograde urethrography, urethral stricture after TURP was seen in 1 of 80 subjects in group A and 7 of 81 subjects in group B. CONCLUSIONS: HA/CMC instillation after TURP decreased the incidence of urethral stricture. In addition, HA/CMC was effective at reducing pain during the early postoperative period, with no adverse effects.
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