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(Radiology. 1999;213:599-602.)
© RSNA, 1999

Technical Developments

Two-Point, Timesaving Method for Measurement of Gastric Emptying with Diagnostic Accuracy Comparable to That of the Conventional Method1

Raghuveer K. Halkar, MD, Andrew L. Paszkowski, MB, BS, FRACP, Margie E. Jones, CNMT, James R. Galt, PhD, Leonard R. Goldfarb, MD, John G. Hunter, MD and Andrew T. Taylor, Jr, MD

1 From the Departments of Radiology (R.K.H., A.L.P., M.E.J., J.R.G., L.R.G., A.T.T.) and General Surgery (J.G.H.), Emory University Hospital, 1460 Clifton Rd NE, Atlanta, GA 30322. From the 1996 RSNA scientific assembly. Received September 11, 1998; revision requested December 7; revision received January 20, 1999; accepted April 30. Address reprint requests to R.K.H.

Solid-phase gastric emptying is linear. Therefore, the authors calculated gastric-emptying half-time, the time for half of the ingested solids or liquids to leave the stomach, with the conventional multiple-point method and the proposed two-point method (at 0 and 120 minutes) in retrospective and prospective studies of 50 patients each. The results showed excellent correlation. Results with the two-point method were comparable to those with the multiple-point method, and the two-point method substantially reduced technologist and camera times.

Index terms: Stomach, motility, 72.12177 • Stomach, radionuclide studies, 72.12177




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