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Measurement of gastric emptying time—A comparative study between nonisotopic aspiration method and new radioisotopic technique

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Abstract

A comparative study between modified conventional saline load test and the more recently introduced radioisotopic method was run in 8 normal volunteers. Each subject underwent at least three studies by each of the two methods: (1) aspiration method of Goldstein and Boyle incorporating our modification, and (2) an isotopic method employing a gamma camera with a computer. A liquid meal of isotonic saline was used with or without99mTcDTPA. The results indicated that the gastric emptyingT1/2 (8.8±3.5 min) obtained by saline load test was shorter than that obtained by isotopic method (12±3 min). This discrepancy was most likely due to inherent error (incomplete aspiration of the gastric fluid) in the former method giving rise to a false faster emptying time. Moreover, the variations inT1/2 value in the same individual was much more in the aspiration method than it was in the isotopic method.

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References

  1. 1.

    Goldstein H, Boyle, JD: The saline load test—A bedside evaluation of gastric retention. Gastroenterology 49:375–380, 1965

  2. 2.

    Chaudhuri, TK: Use of99mTc-DTPA for measuring gastric emptying time. J Nucl Med 15:391–395, 1974

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Correspondence to Dr. Tapan K. Chaudhuri MD.

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Chaudhuri, T.K., Greenwald, A.J., Heading, R.C. et al. Measurement of gastric emptying time—A comparative study between nonisotopic aspiration method and new radioisotopic technique. Digest Dis Sci 20, 1063–1066 (1975). https://doi.org/10.1007/BF01071195

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Keywords

  • Public Health
  • Gamma Camera
  • Load Test
  • Normal Volunteer
  • Isotonic Saline