[Gastric pneumatosis secondary to a pyloric stenosis of peptic origin].
Cirugía General y del Aparato Digestivo A, Hospital Universitario 12 de Octubre, Madrid, Spain.Cirugía Española (Impact Factor: 0.89). 12/2009; 89(3):188.
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ABSTRACT: Intramural gas in stomach is a rare finding, but differential diagnosis of this condition into gastric emphysema and emphysematous gastritis is clinically important because of vastly different aetiologies and prognosis. Emphysematous gastritis is caused by gas producing micro-organisms inside the stomach wall and is a potentially fatal condition, while, on the other hand, gas enters stomach wall through mucosal breach in the case of gastric emphysema and prognosis is usually good with complete resolution. To date, no case has been reported in the literature showing gas in the stomach wall in a patient with acute calculus cholecystitis. We present a case of a young man with upper abdominal pain, and who, upon diagnostic work up was diagnosed with acute calculus cholecystitis with associated intramural gas in the stomach with no known aetiological factors to be positive. Conservative management with close observation resulted in complete symptomatic resolution.Case Reports 05/2013; 2013. DOI:10.1136/bcr-2012-007757
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ABSTRACT: Small, single-institution studies have suggested risk factors for bowel ischemia/necrosis (I/N) in patients with computed tomography (CT) findings of pneumatosis (PN) and portal venous gas (PVG). Here, analysis has been expanded in a large, multicenter study. Logistic regression models and receiver operating characteristic curves were used to construct a scoring system for I/N in cases of PN/PVG. Of 265 patients with PN/PVG identified, 209 had adequate data. In unadjusted analyses the following variables were significantly associated with I/N: age, peritoneal signs, ascites, the presence of both PVG and PN, blood urea nitrogen (BUN), CO2, albumin, and a history of hypertension, myocardial infarction, or stroke. In contrast, the CT findings of mesenteric stranding, bowel-wall thickening, and type of PN were not associated with I/N. In adjusted analyses, three variables were significantly associated with I/N: age ≥60 y (odds ratio = 2.51, 95% confidence interval: 1.26-4.97), peritoneal signs (10.58, 4.23-26.4), and BUN >25 mg/dL (3.08, 1.54-6.17), whereas presence of both PN and PVG (versus only one) was associated with an increase (but not statistically significant increase) in odds (2.01, 0.94-4.36). Although several ad hoc models were used to maximize diagnostic ability, with maximal odds ratio = 174, the areas of receiver operating characteristic curves were all below 0.80, revealing suboptimal accuracy to diagnose I/N. Older age, peritoneal signs, and high BUN are associated with I/N, suggesting an ability to predict which patients need operation. CT findings traditionally suggestive of ischemic PN/PVG, however, do not diagnose I/N accurately enough to reliably identify patients needing operation.Journal of Surgical Research 06/2013; 185(2). DOI:10.1016/j.jss.2013.06.006 · 2.12 Impact Factor
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