Occurrence of portal venous gas following routine endoscopy: a case report.
Yang; Lu · 2026 · Open medicine (Warsaw, Poland)
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Portal venous gas (PVG) is commonly associated with severe gastrointestinal disease, whereas benign causes related to endoscopic procedures are uncommon. We report an unusual mechanism of PVG occurring in the setting of chronic gastric…
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Metadata source: PubMed · DOI 10.1515/med-2026-1474