P024 Late rectal toxicity after RT for prostate cancer: Case of patients with moderate/severe basal symptoms (original) (raw)
2014, European Urology Supplements
Purpose: To evaluate and discuss the role of specific types of abdominal surgery (SURG) before radical radiation therapy as a risk factor for late rectal toxicity in prostate cancer patients. Methods: Results concerning questionnaire-based scored late bleeding and faecal incontinence in 718 patients with a complete follow-up of 36 months were analysed, focusing on the impact of specific pre-radiotherapy abdominal/pelvic surgery procedures. Patients were accrued in the prospective study AIROPROS 0102. Different types of surgery (rectum-sigma resection, kidney resection, cholecystectomy or appendectomy) were considered as covariates together with a number of different parameters previously found to be predictive of late toxicity and including clinical as well as dosimetric parameters. Univariate (UVA) and multivariate (MVA) logistic analyses were carried out. Results: In total 69/718 patients were previously submitted to one or more surgical procedures, mostly cholecystectomy (n = 21) and appendectomy (n = 27). Actuarial incidences of G2-G3 and G3 bleeding were 52 (7.2%) and 24 (3.3%) respectively; 19 (2.6%) chronic incontinence events were registered.
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