PubMed · 16094010
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Allen F Morey. 2005. Consensus statement on urethral trauma.. https://doi.org/10.1016/s0022-5347(01)68470-2
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In this review the technique, indication for and complications of percutaneous nephrostomy (PCN) and antegrade ureter stent insertion are described. In the majority of the cases PCN is performed to relieve urinary obstruction, which can be of benign or malignant nature. Another indication for PCN is for treatment of urinary fistulas. PCN can be performed under ultrasound and/or fluoroscopic guidance, with a success rate of more than 90%. The complication rate is approximately 10% for major and minor complications together and 4-5% for major complications only. Percutaneous antegrade double-J stent insertion usually is performed if retrograde ureter stenting has not been successful. However, especially in malignant obstructions, the success rate for antegrade stenting is higher than for retrograde transvesical double-J stent insertion. In the case of severe infection and bleeding after PCN JJ-stent insertion may be contraindicated so long as there is no sufficient concomitant drainage via a PCN . Lower urinary tract dysfunction should be excluded before stent placement. The complication rate is 2-4%. Consequent stent surveillance with regular stent exchange is mandatory.
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PURPOSE: To evaluate patient tolerance of intrarectal balloons used during conformal prostate irradiation. METHODS AND MATERIALS: A retrospective analysis was performed on 3,561 patients who underwent conformal radiation for prostate cancer. Therapy consisted of proton irradiation of the prostate and seminal vesicles and X-ray treatment of the pelvis when warranted. The number of treatments in which the balloon was tolerated was recorded. Results were stratified according to method of irradiation (protons alone vs. combined proton/X-ray) and method of planning (2D vs. 3D planning of X-ray fields in patients undergoing combination treatment). RESULTS: Of all the patients evaluated, 3,474 (97.6%) tolerated the balloon throughout treatment; 87 (2.4%) declined the balloon for 1 or more treatments and tolerated the balloon for 85.5% of their treatments. Chi-square analysis revealed a significant tolerance advantage in those who received protons alone compared with combination treatment (99.5% vs. 95.7%; p < 0.001). In patients undergoing combination treatment, chi-square analysis did not reveal significant tolerance differences in patients undergoing 3D vs. 2D planning for pelvic X-ray fields (95.74% vs. 95.72%; p = 0.990). CONCLUSIONS: Intrarectal balloons are well tolerated over a course of conformal prostate irradiation.