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However, only a few reports have focused on the relationship between WE and subtotal stomach-preserving pancreatoduodenectomy (SSPPD).<\/jats:p>\n<\/jats:sec><jats:sec>\n<jats:title>Case presentation<\/jats:title>\n<jats:p>A 71-year-old woman underwent SSPPD for an adenocarcinoma of the ampulla of Vater. Although there had been no evidence of recurrence, the patient was treated with antibiotics for cholangitis at 12 and 31\u00a0months, respectively, post-surgery. Thereafter, the patient presented with vomiting and disorientation 33\u00a0months after surgery. Although she was admitted and underwent closer inspection by a neurologist and a psychiatrist, the exact cause of these syndromes remained unknown. The psychiatrist measured thiamine concentration to examine the cause of disorientation. After 6 days, her level of consciousness worsened. Magnetic resonance imaging of the head showed symmetrically multiple abnormal hyperintense signals on fluid-attenuated inversion-recovery and diffusion weighted image, compatible with WE. An administration of intravenous thiamine was immediately initiated. After 8 days of the measurement of the thiamine level, the patient\u2019s serum thiamine level was found to be 6\u00a0\u00b5g\/mL (reference range, 24\u201366\u00a0\u00b5g\/mL). Accordingly, the patient was diagnosed with WE. Shortly after starting the treatment, blood thiamine value reached above normal range with significant improvement of her confusional state. However, short-term memory and ataxia remained.<\/jats:p>\n<\/jats:sec><jats:sec>\n<jats:title>Conclusions<\/jats:title>\n<jats:p>Development of WE after SSPPD is uncommon. However, to prevent an after-effect, the possibility of development of WE after SSPPD should be recognized.<\/jats:p>\n<\/jats:sec>","DOI":"10.1186\/s40792-020-00982-y","type":"journal-article","created":{"date-parts":[[2020,9,25]],"date-time":"2020-09-25T12:03:03Z","timestamp":1601035383000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Development of Wernicke\u2019s encephalopathy long after subtotal stomach-preserving pancreatoduodenectomy: a case report"],"prefix":"10.1186","volume":"6","author":[{"given":"Chikanori","family":"Tsutsumi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2148-4852","authenticated-orcid":false,"given":"Toshiya","family":"Abe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomohiko","family":"Shinkawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideyuki","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuyoshi","family":"Nishihara","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toru","family":"Nakano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,9,25]]},"reference":[{"key":"982_CR1","doi-asserted-by":"publisher","first-page":"442","DOI":"10.1016\/S1474-4422(07)70104-7","volume":"6","author":"G Sechi","year":"2007","unstructured":"Sechi G, Serra A. 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