Abstract
Background and aims
Management of haemorrhagic radiation proctitis remains controversial. Both endoscopically delivered argon plasma coagulation and rectal administration of formalin have been recommended. We evaluated the efficacy of argon plasma coagulation according to endoscopic severity of radiation proctitis.
Patients and methods
Fourteen patients treated with argon plasma coagulation for rectal bleeding due to radiation proctitis were reviewed. Patients were classified with a new endoscopic score for haemorrhagic radiation proctitis, comprising three factors: telangiectasia distribution, surface area involved, and presence of fresh blood. Seven patients were categorised as having grade A (mild), four grade B (moderate), and three grade C (severe) radiation proctitis. Rectal bleeding was assessed pre- and post-treatment using a five-point bleeding scale.
Results
All patients with grade A and B radiation proctitis were treated successfully by argon plasma coagulation (mean 1.5 sessions). In one patient with grade C radiation proctitis argon plasma coagulation was successful after four sessions, but in the other two patients bleeding could not be controlled; a subsequent single formalin administration was successful in both. Overall in 12 patients (85.7%) bleeding ceased or improved significantly. The mean rectal bleeding scale reduced significantly from 2.6 to 0.9. One patient treated with argon plasma coagulation developed an asymptomatic rectosigmoid stenosis.
Conclusion
Argon plasma coagulation is a simple, safe and efficacious therapy for mild/moderate radiation proctitis. In patients with severe radiation proctitis several sessions are usually necessary, and success is not certain; in these cases, topical formalin administration may be more effective. Endoscopic severity of haemorrhagic radiation proctitis may be useful to guide appropriate therapy.
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Acknowledgements
A preliminary report of this study was presented at the annual meeting of British Society of Gastroenterology in Birmingham, 17–20 March 2002.
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An erratum to this article can be found at http://dx.doi.org/10.1007/s00384-004-0582-8
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Zinicola, R., Rutter, M.D., Falasco, G. et al. Haemorrhagic radiation proctitis: endoscopic severity may be useful to guide therapy. Int J Colorectal Dis 18, 439–444 (2003). https://doi.org/10.1007/s00384-003-0487-y
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DOI: https://doi.org/10.1007/s00384-003-0487-y