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Journal of Ultrasound in Medicine, Vol 18, Issue 11 763-767, Copyright © 1999 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

Contrast material and gallbladder kinetics: implications for same day sonography after intravenous pyelography or CT scanning

O. Khan, R. Naipaul, R. S. Rampaul, V. Abhang, A. Archibald, P. Maharaj, S. Mohammed and L. Mohammed
Department of Radiology and Nuclear Medicine, University of the West Indies, St. Augustine, Trinidad.

Sonographic examination of the gallbladder has allowed us to study the effects of various substances on this organ. A prospective study involving 77 patients was undertaken to evaluate the effects of intravenous or oral contrast agents on gallbladder volume changes in patients without known gallbladder disease. A mean volume after contraction of 24.8% was observed after administration of intravenous contrast agent (P < 0.01) and of 31.9% after oral administration (P < 0.01). This phenomenon of contraction of the gallbladder should therefore be recognized when sonographic or computed tomographic evaluation of the gallbladder is undertaken after imaging procedures that use radiographic contrast agents either intravenously or orally.


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O. Khan, R. Naipaul, and P. Maharaj
Is Same-Day Sonography of the Gallbladder Feasible After Intravenous Urography or Contrast-Enhanced Computed Tomography?
J. Ultrasound Med., September 1, 2002; 21(9): 977 - 981.
[Abstract] [Full Text] [PDF]


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