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Optimal Duration of Proton Pump Inhibitor in the Treatment of Endoscopic Submucosal Dissection-Induced Ulcers: A Retrospective Analysis and Prospective Validation Study

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Abstract

Background

The optimal duration of proton pump inhibitor (PPI) use in the treatment of endoscopic submucosal dissection (ESD)-induced ulcers has not been well defined.

Aims

The aim of study was to determine the optimal duration of PPI treatment for ESD-induced gastric ulcers.

Methods

A total of 333 patients who underwent ESD were included in this retrospective analysis and prospective randomized validation. Medical records and endoscopic images for the 221 patients in our ESD-database were reviewed retrospectively. Based on the results of the retrospective analysis, 112 patients with ESD-induced ulcers over 40 mm were randomly assigned to two groups (4- or 8-week course of Lansoprazole 30 mg). Main outcome measurements were to assess the healing-related factors of post-ESD ulcers (retrospective analysis) and to compare complete mucosal healing rate in large (≥40 mm) ESD-induced ulcers according to the duration of PPI treatment (prospective validation).

Results

Multivariate logistic regression from a retrospective analysis showed that a duration of PPI treatment <8 weeks and a post-ESD ulcer ≥40 mm in size were associated with incomplete healing. In a prospective validation, the rate of complete healing in the 8-week PPI group was significantly higher than that of the 4-week PPI group for a large (≥40 mm) ESD-induced ulcer at 8 weeks follow-up (83.3 vs. 42.6%, P < 0.01).

Conclusions

The optimal duration of PPI treatment varies based on the initial ulcer size. Patients with an ESD-induced ulcer over 40 mm should be treated with an 8-week course of PPIs.

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Conflict of interest

Dr. Suck-Ho Lee, Chang Kyun Lee, Il-Kwun Chung, Yun Suk Shim, Tae Hoon Lee, Sae Hwan Lee, Hong-Soo Kim, Sang-Heum Park, and Sun-Joo Kim have no conflicts of interest or financial ties to disclose.

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Authors and Affiliations

  1. Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan Hospital, 23-20 Bongmyung-Dong, Cheonan, Choongnam, 330-721, Korea

    Suck-Ho Lee, Il-Kwun Chung, Yun Suk Shim, Tae Hoon Lee, Sae Hwan Lee, Hong-Soo Kim, Sang-Heum Park & Sun-Joo Kim

  2. Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Korea

    Chang Kyun Lee

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  1. Suck-Ho Lee
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  2. Chang Kyun Lee
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  3. Il-Kwun Chung
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  4. Yun Suk Shim
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  5. Tae Hoon Lee
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  9. Sun-Joo Kim
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Correspondence to Il-Kwun Chung.

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Lee, SH., Lee, C.K., Chung, IK. et al. Optimal Duration of Proton Pump Inhibitor in the Treatment of Endoscopic Submucosal Dissection-Induced Ulcers: A Retrospective Analysis and Prospective Validation Study. Dig Dis Sci 57, 429–434 (2012). https://doi.org/10.1007/s10620-011-1941-2

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  • DOI: https://doi.org/10.1007/s10620-011-1941-2

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