In vivo (Athens, Greece) · 2021
Aggravation of Hemorrhoids in Patients With Cervical Cancer Undergoing Radiotherapy: A Nationwide Population-based Study.
СтатьяНазвание и аннотация: Перевод в очереди
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Seo Incheol, Jang Hyunsoo
Аннотация
BACKGROUND/AIM: Anal canal toxicity tends to be ignored in pelvic radiotherapy (RT). However, patients with hemorrhoids can be troubled by lower radiation dose. We tried to determine whether a correlation exists between hemorrhoids and anal symptoms in patients with cervical cancer undergoing RT.
PATIENTS AND METHODS: The insurance claim data of patients who underwent definitive treatment for cervical cancer from 2015 to 2019 were analyzed. Adverse events including bleeding, proctitis, and hemorrhoids, were documented for 1 year after treatment completion. Odds ratios (ORs) were estimated by unconditional Poisson regression and adjusted for age, treatments, chemotherapy, and comorbidities.
RESULTS: Details of 67,114 insured cervical cancer patients treated between 2015 and 2019 were obtained. Among them, 5,919 patients with follow-up data for at least one year, treated with curative intent, were analyzed. The OR of the definitive radiotherapy group (DRT group) for anal bleeding was 10.57 higher than that of the operation alone group (surgical group) (p<0.01). Newly developed hemorrhoids gradually increased in the surgical group (3.17%), the postoperative radiotherapy group (5.38%), and the DRT group (7.58%). The OR of the DRT group for newly developed hemorrhoids was 2.38 higher than that of the surgical group (p<0.01), and ORs increased to 1.99 and 1.61 in patients that received chemotherapy and patients with diabetes, respectively (p<0.01).
CONCLUSION: Pelvic RT increased anal bleeding and symptomatic hemorrhoids. In particular, chemotherapy and diabetes also increased the risk. If patients with hemorrhoids receive pelvic RT, attention is required to prevent hemorrhoid aggravation.
PATIENTS AND METHODS: The insurance claim data of patients who underwent definitive treatment for cervical cancer from 2015 to 2019 were analyzed. Adverse events including bleeding, proctitis, and hemorrhoids, were documented for 1 year after treatment completion. Odds ratios (ORs) were estimated by unconditional Poisson regression and adjusted for age, treatments, chemotherapy, and comorbidities.
RESULTS: Details of 67,114 insured cervical cancer patients treated between 2015 and 2019 were obtained. Among them, 5,919 patients with follow-up data for at least one year, treated with curative intent, were analyzed. The OR of the definitive radiotherapy group (DRT group) for anal bleeding was 10.57 higher than that of the operation alone group (surgical group) (p<0.01). Newly developed hemorrhoids gradually increased in the surgical group (3.17%), the postoperative radiotherapy group (5.38%), and the DRT group (7.58%). The OR of the DRT group for newly developed hemorrhoids was 2.38 higher than that of the surgical group (p<0.01), and ORs increased to 1.99 and 1.61 in patients that received chemotherapy and patients with diabetes, respectively (p<0.01).
CONCLUSION: Pelvic RT increased anal bleeding and symptomatic hemorrhoids. In particular, chemotherapy and diabetes also increased the risk. If patients with hemorrhoids receive pelvic RT, attention is required to prevent hemorrhoid aggravation.