Evaluation of the effectiveness of 4% formalin in the treatment of hemorrhagic actinic proctitis

Radiotherapy is an important discovery as to the treatment of pelvic tumors. Proctitis is frequently observed nowadays, and can be divided into acute and chronic. Treatment with 4% formalin solutions has been used with positive results in literature. Objective: To evaluate the effectiveness and morbidity rates related to the use of 4%formalin in hemorrhagic chronic actinic proctitis. Methods: We evaluated the sigmoidoscopy records and reports of 11 patients with chronic hemorrhagic actinic proctitis from February to December 2010, coming from the Serbian colorectal University Hospital of the State of Sergipe. Results: The study was comprised of 11 patients (36.36% were females and 63.63% were males). Mean age was 67.7 years. Mean time between the end of radiotherapy and the onset of symptoms was 6.6 months. The treatment was completely effective in 27.27% of the cases, and reduced rectal bleeding in 100% of patients. The following main complications were observed: chills (9%), tenesmus (18.18%) and mild stenosis (9%). Conclusions: The 4%formalin solution has fewer side effects, and its administration is very inexpensive. The treatment is effective and reduces bleeding in almost 100% of cases. (AU)

A radioterapia foi uma importante descoberta, no que tange o tratamento das neoplasias de pelve. A proctite é uma das complicações bastante observadas atualmente, podendo ser dividida em aguda e crônica. O tratamento com solução de formalina a 4% vem sendo utilizado com resultados positivos na literatura. Objetivo: Avaliar a eficácia e morbidade do uso da formalina a 4% na retite actínica crônica hemorrágica. Métodos: Foram avaliados os prontuários e laudos das retossigmoidoscopias de 11 pacientes portadores de retite actínica crônica hemorrágica entre o período de fevereiro a dezembro de 2010, oriundos do Serviço de Coloproctologia do Hospital Universitário do Estado de Sergipe. Resultados: O estudo foi composto de 11 pacientes (36,36% feminino e 63,63% masculino). A média das idades foi de 67,7 anos. O tempo médio entre o término da radioterapia e o início dos sintomas foi de 6,6 meses. O tratamento foi completamente efetivo em 27,27%, sendo reduzido sangramento retal em 100% dos pacientes. Como principais complicações foram observadas: calafrio (9%), tenesmo (18,18%) e estenose leve (9%). Conclusão: A solução de formalina a 4% apresenta poucos efeitos colaterais, sendo muito barata a sua administração. O tratamento é efetivo, reduzindo, em praticamente 100% dos casos, o sangramento. (AU)

Conservative therapies for hemorrhagic radiation proctitis: a review

Chronic radiation proctitis represents a challenging condition seen with increased frequency due to the common use of radiation for treatment of pelvic cancer. Hemorrhagic radiation proctitis represents the most feared complication of chronic radiation proctitis. There is no consensus for the management of this condition despite the great number of clinical approaches and techniques that have been employed. Rectal resection represents an available option although associated with high morbidity and risk of permanent colostomy. The effectiveness of nonoperative approaches remains far from desirable, and hemorrhagic recurrence represents a major drawback that leads to a need for consecutive therapeutic sessions and combination of techniques. We conducted a critical review of published reports regarding conservative management of hemorrhagic chronic radiation proctitis. Although prospective randomized trials about hemorrhagic radiation proctitis are still lacking, there is enough evidence to conclude that topical formalin therapy and an endoscopic approach delivering an argon plasma coagulation represent available options associated with elevated effectiveness for interruption of rectal bleeding in patients with chronic radiation proctitis