Noh, Choong-Kyun; Lee, Eunyoung; Lee, Gil Ho; Lim, Sun Gyo; Lee, Kee Myung; Roh, Jin; Kim, Young Bae; Park, Bumhee; Shin, Sung Jae
Scientific reports
2021Nov ; 11 ( 1 ) :21408.
PMID : 34725444
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Noh, Choong-Kyun -
Lee, Eunyoung -
Lee, Gil Ho -
Lim, Sun Gyo -
Lee, Kee Myung -
Roh, Jin -
Kim, Young Bae -
Park, Bumhee -
Shin, Sung Jae -
ABSTRACT
To date, there exists no established endoscopic surveillance interval strategy after endoscopic submucosal dissection (ESD) for gastric adenoma. In this study, we suggest a risk factor-based statistical model for optimal surveillance intervals for gastric adenoma after ESD with curative resection. A cox proportional hazard model was applied to identify risk factors for recurrence after ESD. Patients (n?=?698) were categorized into groups based on the identified risk factors. The cumulative density of recurrence over time was computed using a cubic splined baseline hazard function, and the customized surveillance interval was modeled for each risk group. The overall cumulative incidence of recurrence was 7.3% (n?=?51). Risk factors associated with recurrence were male (hazard ratio [HR], 2.60, P?=?0.030), protruded scar (HR, 3.18, P?0.001), and age???59?years (HR, 1.05, P?0.001). The surveillance interval for each group was developed by using the recurrence limit for the generated risk groups. According to the developed schedule, high-risk patients would have a maximum of seven surveillance visits for 5?years, whereas low-risk patients would have biennial surveillance for cancer screening. We proposed a simple and promising strategy for determining a better endoscopic surveillance interval by parameterizing diverse and group-specific recurrence risk factors into a well-known survival model. CI - ??2021. The Author(s).
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