IngentaConnect In Patients Referred for Investigation Because Computed Tomograph...

Authors: Lam, Eric C.¹; Rego, Rayburn R.¹; Paquin, Sarto C.¹; Chua, Tju Siang¹; Raymond, Ginette¹; Sahai, Anand V.¹

Source: The American Journal of Gastroenterology, Volume 102, Number 6, June 2007 , pp. 1200-1203(4)

Abstract:

BACKGROUND AND OBJECTIVE: Endoscopic ultrasound (EUS) is often requested in patients in whom computed tomography (CT) shows gastric wall thickening. It is unclear if EUS is useful if upper endoscopy is normal. The aim of this study was to prospectively compare the yield of upper endoscopy and EUS for this indication.

METHODS: All patients referred for endoscopic ultrasound because of thickened gastric folds on CT from May 2001 and June 2003 were included. A single physician, questioned, examined, and performed upper endoscopy followed by EUS in all patients. Data were recorded prospectively. The main outcome measures were: upper endoscopy and EUS findings and predictors of abnormal EUS.

RESULTS: Sixty-nine patients were enrolled. The average age was 57.9, 49% were male, 51% were asymptomatic, 57% had normal upper endoscopy, and 70% had normal EUS. If upper endoscopy was abnormal, EUS was abnormal in 70% of cases (95% CI 62%-78%). If upper endoscopy was normal, the EUS was normal in 100% of cases (95% CI 92%-100%). Multivariate analysis revealed that neither age, gender, presence of abdominal symptoms nor alarm symptoms predicted abnormal EUS.

CONCLUSIONS: When CT shows gastric wall thickening: (a) Nnormal upper endoscopy is strongly associated with normal EUS; (b) abnormal upper endoscopy is associated with abnormal EUS in 70% of cases; (c) clinical variables such as age, sex, and the presence of symptoms do not predict or increase the likelihood of abnormal EUS. Therefore, in patients with thickened gastric wall on CT, upper endoscopy should be used to select patients for EUS.

(Am J Gastroenterol 2007;102:1-4)

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In Patients Referred for Investigation Because Computed Tomography Suggests Thickened Gastric Folds, Endoscopic Ultrasound Is Superfluous If Gastroscopy Is Normal