BACKGROUND: Radiation-induced proctopathy is a serious complication of radiation therapy for pelvic malignancy. AIM: To assess the safety and efficacy of argon plasma coagulation in the treatment of haemorrhagic radiation-induced proctopathy. PATIENTS: Twenty-four patients with rectal bleeding due to radiation-induced proctopathy were prospectively enrolled in the study. METHODS: Indications for treatment were iron deficiency anaemia (n = 16) and persistent bleeding, despite pharmacotherapy (n = 8). Argon flow and power used were 0.8-1.2 l/min and 40 W, respectively. An interval of at least 4 weeks was allowed between treatment sessions. Haemoglobin level, bleeding severity score, number of admissions and transfusion requirements were recorded after endoscopic coagulation and before 12 and 24 months. RESULTS: A median of 2.5 therapeutic sessions per patient were performed (range 1-6). All patients reported clinical improvement and/or cessation of rectal bleeding. The mean value of the bleeding severity score decreased from 2.9 to 0.8 (P < 0.01), while average haemoglobin levels increased by a mean of 1.9 mg/dl at the end of the treatments (P < 0.05). During a minimum follow-up of 24 months (range 24-60), rectal bleeding recurred in two cases and was successfully retreated endoscopically. One patient developed a recto-vaginal fistula. CONCLUSIONS: Argon plasma coagulation appears to be a safe and effective technique for management of rectal bleeding caused by radiation-induced proctopathy.
BACKGROUND: Radiation-induced proctopathy is a serious complication of radiation therapy for pelvic malignancy. AIM: To assess the safety and efficacy of argon plasma coagulation in the treatment of haemorrhagic radiation-induced proctopathy. PATIENTS: Twenty-four patients with rectal bleeding due to radiation-induced proctopathy were prospectively enrolled in the study. METHODS: Indications for treatment were iron deficiency anaemia (n = 16) and persistent bleeding, despite pharmacotherapy (n = 8). Argon flow and power used were 0.8-1.2 l/min and 40 W, respectively. An interval of at least 4 weeks was allowed between treatment sessions. Haemoglobin level, bleeding severity score, number of admissions and transfusion requirements were recorded after endoscopic coagulation and before 12 and 24 months. RESULTS: A median of 2.5 therapeutic sessions per patient were performed (range 1-6). All patients reported clinical improvement and/or cessation of rectal bleeding. The mean value of the bleeding severity score decreased from 2.9 to 0.8 (P < 0.01), while average haemoglobin levels increased by a mean of 1.9 mg/dl at the end of the treatments (P < 0.05). During a minimum follow-up of 24 months (range 24-60), rectal bleeding recurred in two cases and was successfully retreated endoscopically. One patient developed a recto-vaginal fistula. CONCLUSIONS:Argon plasma coagulation appears to be a safe and effective technique for management of rectal bleeding caused by radiation-induced proctopathy.
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