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Urinary infection or radiation cystitis? A prospective evaluation of urinary symptoms in patients submitted to pelvic radiotherapy

Overview of attention for article published in Clinics, November 2019
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Title
Urinary infection or radiation cystitis? A prospective evaluation of urinary symptoms in patients submitted to pelvic radiotherapy
Published in
Clinics, November 2019
DOI 10.6061/clinics/2019/1388
Pubmed ID
Authors

Vítor Fonseca Xavier, Flávia Carolina Grosso Gabrielli, Karim Yaqub Ibrahim, Mariana Vilela Soares Gomes, Roger Guilherme Rodrigues Guimarães, Edson Abdala, Heloisa de Andrade Carvalho

Abstract

The purpose of this study was to evaluate the incidence of urinary tract infection (UTI) in patients with cystitis symptoms who underwent pelvic radiation therapy and identify correlated predictive factors. A prospective cohort study was conducted of patients who met the following: primary pelvic cancer treated with curative intent, older than 18 years old, and good performance status. The exclusion criteria were patients being treated for a UTI, using a urinary catheter, in dialysis or with cystostomy or nephrostomy, and using antibiotics during treatment. Urinalysis and urine culture were collected before the beginning of radiation therapy. Weekly evaluations of urinary symptoms were subsequently performed. In cases of new or worsening symptoms, a questionnaire was applied, and new urine exams were collected. The UTI diagnosis was defined by uroculture as bacterial growth greater than 104 CFU/mL. From September 2014 to November 2015, 112 patients were sequentially recruited, and 72 (64%) fulfilled the inclusion criteria. During follow-up, 24 (33%) patients had new urinary symptoms or worse preexisting symptoms. A UTI was confirmed in the second urinary culture in only one (1.4%) patient. The incidence of UTI was much lower than expected, suggesting that asymptomatic bacteriuria develops symptoms due to radiotherapy. Due to the low rate of UTI, no predictive factor was identified.

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Mendeley readers

The data shown below were compiled from readership statistics for 13 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 13 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 23%
Other 2 15%
Professor > Associate Professor 1 8%
Student > Ph. D. Student 1 8%
Unspecified 1 8%
Other 0 0%
Unknown 5 38%
Readers by discipline Count As %
Medicine and Dentistry 2 15%
Agricultural and Biological Sciences 1 8%
Unspecified 1 8%
Psychology 1 8%
Veterinary Science and Veterinary Medicine 1 8%
Other 0 0%
Unknown 7 54%