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Wael Alkattan

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Review Open access Oct 2026

Perforated marginal ulcer after Roux-en-Y gastric bypass: a national analysis of operative approaches, outcomes, and practice variations, 2018–2022

Perforated marginal (gastrojejunal) ulcer is an uncommon but life-threatening complication after Roux-en-Y gastric bypass. Evidence is limited to single-center series and one 2022 systematic review of approximately 600 patients; contemporary national International Classification of Diseases, Tenth Revision (ICD-10)...

Wael Alkattan · 0 citations

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