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Hyperbaric oxygen for long-term complications of radiation cystitis
Published online by Cambridge University Press: 04 November 2014
Abstract
Bladder complications may be seen in up to 12% of patients treated with pelvic irradiation. To report the long-term efficacy of hyperbaric oxygen therapy (HBOT) on radiation-induced cystitis.
We followed 70 patients diagnosed with radiation cystitis submitted to HBOT in our institution from 2007 to 2013. All patients answered a questionnaire documenting symptom severity pre-HBOT and at the end of the follow-up period using the Late Effects of Normal Tissues – Subjective, Objective, Management, Analytical (LENT-SOMA) scale. Our treatment protocol consisted of multiple sessions (median of 40) of 100% oxygen delivery in a multiplace hyperbaric chamber at 2·4 atm for 80 minutes.
With a median follow-up of 55·5 (4–85) months, the success rate after the follow-up period in terms of haematuria resolution or improvement was 91·4%. The mean score of each subjective variable of LENT-SOMA scale (dysuria, frequency, haematuria, incontinence) were significantly lower after the follow-up period (p<0·05) with the exception of decreased stream (p=0·14). The sum of all subjective scores of LENT-SOMA scale was also significantly lower after the follow-up period (p<0·05). No serious complications were observed.
Our results highlight the safety and long-term benefits of HBOT on haemorrhagic radiation cystitis and other distressful bladder symptoms.
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