Gastrointestinal: Weight gain increases the risk of metachronous advanced colorectal neoplasm observed in post‐polypectomy surveillance colonoscopy

Author:

Lee Sinwon1,Do Yoon Suh1,Lee Hyo Jeong1,Kim Gwang‐Un1ORCID,Park Hye Won1,Chang Hye‐Sook1,Choe Jaewon1,Byeon Jeong‐Sik2ORCID,Lee Ji Young1ORCID

Affiliation:

1. Health Screening and Promotion Center, Asan Medical Center University of Ulsan College of Medicine Seoul Republic of Korea

2. Department of Gastroenterology, Asan Medical Center University of Ulsan College of Medicine Seoul Republic of Korea

Abstract

AbstractBackground and AimAlthough obesity is a known risk factor for colorectal neoplasms, the correlation between weight change and colorectal neoplasm is unclear. Thus, we aim to evaluate the association between weight change and advanced colorectal neoplasm (ACRN) recurrence during post‐polypectomy surveillance colonoscopy.MethodsThis retrospective cohort study included 7473 participants diagnosed with colorectal neoplasms between 2003 and 2010 who subsequently underwent surveillance colonoscopies until 2020. We analyzed the association between the risk of metachronous ACRN and weight change, defining stable weight as a weight change of <3% and weight gain as a weight increase of ≥3% from baseline during the follow‐up period.ResultsDuring a median 8.5 years of follow‐up, 619 participants (8.3%) developed ACRN. Weight gain was reported as an independent risk factor for metachronous ACRN in a time‐dependent Cox analysis. A weight gain of 3–6% and ≥6% had adjusted hazard ratios (AHRs) of 1.48 (95% confidence interval [CI]: 1.19–1.84) and 2.14 (95% CI: 1.71–2.69), respectively. Participants aged 30–49 and 50–75 years with weight gain of ≥6% showed AHRs of 2.88 (95% CI: 1.96–4.21) and 1.90 (95% CI: 1.43–2.51), respectively. In men and women, weight gain of ≥3% was significantly correlated with metachronous ACRN.ConclusionsWeight gain is associated with an increased risk of metachronous ACRN. Furthermore, weight gain is associated with the recurrence of ACRN in both men and women regardless of age.

Publisher

Wiley

Subject

Gastroenterology,Hepatology

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