Hyperbaric Oxygen Therapy for Radiation-Induced Cystitis and Proctitis
Purpose To provide a retrospective analysis of the efficacy of hyperbaric oxygen therapy (HBOT) for treating hemorrhagic cystitis (HC) and proctitis secondary to pelvic- and prostate-only radiotherapy. Methods and Materials Nineteen patients were treated with HBOT for radiation-induced HC and procti...
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Veröffentlicht in: | International journal of radiation oncology, biology, physics biology, physics, 2012-11, Vol.84 (3), p.733-740 |
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Zusammenfassung: | Purpose To provide a retrospective analysis of the efficacy of hyperbaric oxygen therapy (HBOT) for treating hemorrhagic cystitis (HC) and proctitis secondary to pelvic- and prostate-only radiotherapy. Methods and Materials Nineteen patients were treated with HBOT for radiation-induced HC and proctitis. The median age at treatment was 66 years (range, 15–84 years). The range of external-beam radiation delivered was 50.0–75.6 Gy. Bleeding must have been refractory to other therapies. Patients received 100% oxygen at 2.0 atmospheres absolute pressure for 90–120 min per treatment in a monoplace chamber. Symptoms were retrospectively scored according to the Late Effects of Normal Tissues—Subjective, Objective, Management, Analytic (LENT-SOMA) scale to evaluate short-term efficacy. Recurrence of hematuria/hematochezia was used to assess long-term efficacy. Results Four of the 19 patients were lost to follow-up. Fifteen patients were evaluated and received a mean of 29.8 dives: 11 developed HC and 4 proctitis. All patients experienced a reduction in their LENT-SOMA score. After completion of HBOT, the mean LENT-SOMA score was reduced from 0.78 to 0.20 in patients with HC and from 0.66 to 0.26 in patients with proctitis. Median follow-up was 39 months (range, 7–70 months). No cases of hematuria were refractory to HBOT. Complete resolution of hematuria was seen in 81% ( n = 9) and partial response in 18% ( n = 2). Recurrence of hematuria occurred in 36% ( n = 4) after a median of 10 months. Complete resolution of hematochezia was seen in 50% ( n = 2), partial response in 25% ( n = 1), and refractory bleeding in 25% ( n = 1). Conclusions Hyperbaric oxygen therapy is appropriate for radiation-induced HC once less time-consuming therapies have failed to resolve the bleeding. In these conditions, HBOT is efficacious in the short and long term, with minimal side effects. |
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ISSN: | 0360-3016 1879-355X |
DOI: | 10.1016/j.ijrobp.2011.12.056 |