Incidence and significance of enterogastric reflux during morphine-augmented cholescintigraphy

E. Oates, D. M. Achong

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

One hundred fourteen patients with suspected acute cholecystitis underwent morphine-augmented cholescintigraphy. The 115 studies were reviewed first to determine the incidence of enterogastric reflux under these conditions. Overall, enterogastric reflux was observed in 85/115 (74%), occurring only after intravenous morphine sulfate in the majority (59%, 50/85). Noted prior to morphine in 41% (35/85), the degree of enterogastric reflux increased noticeably directly following drug administration in over half of these cases. Surgical diagnoses were established in 73/114 (64%) patients as follows: 56 (77%) acute cholecystitis, 15 (20%) chronic cholecystitis, and 2 (3%) another entity (normal gallbladder and tumor encasement). These pathologically proven cases were examined more closely to address the diagnostic significance of enterogastric reflux during morphine-augmented cholescintigraphy. Enterogastric reflux was demonstrated in the majority of not only those with acute cholecystitis (48/56, 86%), but also those with chronic cholecystitis (12/15, 80%). A frequent but nonspecific finding, enterogastric reflux appears to be a pathophysiologic phenomenon that may be enhanced synergistically, at least to some degree, in patients requiring morphine-augmented cholescintigraphy.

Original languageEnglish
Pages (from-to)926-928
Number of pages3
JournalClinical Nuclear Medicine
Volume17
Issue number12
DOIs
StatePublished - 1992

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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