Does IBD Portend Worse Outcomes in Patients with Rectal Cancer? A Case-Matched Analysis.

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Serval ID
serval:BIB_8F97186A9723
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Does IBD Portend Worse Outcomes in Patients with Rectal Cancer? A Case-Matched Analysis.
Journal
Diseases of the colon and rectum
Author(s)
Alsughayer A., Grass F., McKenna N.P., Petersen M., Mathis K.L., Lightner A.L.
ISSN
1530-0358 (Electronic)
ISSN-L
0012-3706
Publication state
Published
Issued date
09/2020
Peer-reviewed
Oui
Volume
63
Number
9
Pages
1265-1275
Language
english
Notes
Publication types: Journal Article ; Video-Audio Media
Publication Status: ppublish
Abstract
Patients with IBD are at increased risk for developing colorectal cancer. However, overall survival and disease-free survival for rectal cancer alone in patients with IBD has not been reported.
This study aimed to determine overall survival and disease-free survival for patients with rectal cancer in IBD versus non-IBD cohorts.
This is a retrospective cohort study.
This study was conducted at an IBD referral center.
All consecutive adult patients with IBD diagnosed with rectal cancer and at least 1 year of postsurgery follow-up were included and matched in a 1:2 fashion (age, sex, preoperative stage) with patients with rectal cancer who did not have IBD.
Five-year overall survival and disease-free survival, 30-day postoperative complication, readmission, reoperation, and mortality rates were measured.
Survival rates were calculated using Kaplan-Meier estimates. The association of risk factors and long-term outcomes was assessed using Cox proportion hazard models.
A total of 107 study patients with IBD who had rectal cancer were matched to 215 control patients; preoperative stages were as follows: 31% with stage I, 19% with stage II, 40% with stage III, and 10% with stage IV. Differences were observed (IBD vs non-IBD) in neoadjuvant chemotherapy (33.6% vs 52.6%, p = 0.001) and preoperative radiotherapy (35.5% vs 53.5%, p = 0.003). Postoperative complication rates were similar. On surgical pathology, patients with IBD had more lymphovascular invasion (12.9% vs 5.6%, p = 0.04) and positive circumferential resection margins (5.4% vs 0.9%, p = 0.03). On multivariable analysis, the diagnosis of IBD did not significantly impact long-term mortality (HR, 0.91; 95% CI, 0.53-1.57; p = 0.73) or disease-free survival (HR, 1.36; 95% CI, 0.84-2.21; p = 0.22).
This study was limited by its retrospective design and the use of single-center data.
Patients have rectal cancer with IBD and without IBD have similar long-term and disease-free survival, despite lower rates of neoadjuvant treatment and higher margin positivity in patients with IBD. See Video Abstract at http://links.lww.com/DCR/B271. ¿LA ENFERMEDAD INFLAMATORIA INTESTINAL ACARREA PEORES RESULTADOS EN PACIENTES CON CÁNCER RECTAL? UN ANÁLISIS DE CASOS-COINCIDENTES: Los pacientes con enfermedad inflamatoria intestinal (EII) tienen un mayor riesgo de desarrollar cáncer colorrectal. Sin embargo, no se ha informado la supervivencia general y la supervivencia libre de enfermedad para el cáncer rectal solo en pacientes con EII.Determinar la supervivencia general y la supervivencia libre de enfermedad para pacientes con cáncer rectal en cohortes con EII versus sin EII.Estudio de cohorte retrospectivo.Centro de referencia para enfermedad inflamatoria intestinal.todos los pacientes adultos con EII diagnosticados con cáncer rectal, consecutives, y al menos un año de seguimiento postoperatorio se incluyeron y se emparejaron de manera 1: 2 (edad, sexo, etapa preoperatoria) con pacientes con cáncer rectal sin EII.Se midieron la supervivencia general a cinco años y la supervivencia libre de enfermedad, complicaciones postoperatorias a los 30 días, reingreso, reoperación y tasas de mortalidad.Las tasas de supervivencia se calcularon utilizando estimaciones de Kaplan-Meier. La asociación de factores de riesgo y resultados a largo plazo se evaluó mediante modelos de riesgo de proporción de Cox.Un total de 107 pacientes con EII y cáncer rectal se compararon con 215 pacientes de control; las etapas preoperatorias fueron las siguientes: 31% de Etapa I, 19% de Etapa II, 40% de Etapa III y 10% de Etapa IV. Se observaron diferencias (EII versus no EII) en quimioterapia neoadyuvante (33.6% frente a 52.6%, p = 0.001) y radioterapia preoperatoria (35.5% frente a 53.5%, p = 0.003). Las tasas de complicaciones postoperatorias fueron similares. En la patología quirúrgica, los pacientes con EII tuvieron más invasión linfovascular (12.9% frente a 5.6%, p = 0.04) y márgenes de resección circunferencial positivos (5.4% frente a 0.9%, p = 0.03). En el análisis multivariable, el diagnóstico de EII no tuvo un impacto significativo en la mortalidad a largo plazo (HR 0.91; IC del 95%: 0.53-1.57, p = 0.73) o la supervivencia libre de enfermedad (HR 1.36; IC del 95%: 0.84-2.21, p = 0.22)Diseño retrospectivo, centro único de datos.Los pacientes con EII y sin EII con cáncer rectal tienen una supervivencia similar a largo plazo y libre de enfermedad, a pesar de las tasas más bajas de tratamiento sneoadyuvante y un mayor margen positivo en pacientes con EII. Consulte Video Resumen en http://links.lww.com/DCR/B271.
Keywords
Adenocarcinoma/complications, Adenocarcinoma/pathology, Adenocarcinoma/surgery, Adult, Aged, Aged, 80 and over, Antineoplastic Agents/therapeutic use, Case-Control Studies, Chemotherapy, Adjuvant, Cohort Studies, Disease-Free Survival, Female, Humans, Inflammatory Bowel Diseases/complications, Kaplan-Meier Estimate, Male, Margins of Excision, Middle Aged, Mortality, Neoadjuvant Therapy/statistics & numerical data, Neoplasm Invasiveness, Neoplasm Staging, Patient Readmission/statistics & numerical data, Postoperative Complications/epidemiology, Prognosis, Proportional Hazards Models, Radiotherapy/statistics & numerical data, Radiotherapy, Adjuvant, Rectal Neoplasms/complications, Rectal Neoplasms/pathology, Rectal Neoplasms/surgery, Reoperation/statistics & numerical data, Retrospective Studies, Survival Rate, Young Adult
Pubmed
Web of science
Create date
05/11/2021 10:22
Last modification date
22/01/2022 7:10
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