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- W2004494593 abstract "PURPOSE: To prospectively evaluate intraluminal pressure changes in the colon of children undergoing conventional hydrostatic (barium and water-soluble contrast material) and air contrast barium enema studies. MATERIALS AND METHODS: Dynamic intracolonic pressure was measured in 26 children undergoing hydrostatic barium (23% wt/vol) enema studies, air contrast barium enema studies, or water-soluble contrast material enema examinations. Measurements were obtained with a measuring device capable of recording rapid changes in pressure. Pressure measurements were obtained with the contrast reservoir system open (contrast material was free to run through the tubing into the patient's colon) and closed (tube was clamped). RESULTS: The colonic pressures during the filling phase with liquid contrast material were equal to those elsewhere at the same level with the hydrostatic system. Mean pressure ranged from 30 to 50 mm Hg with peaks of more than 100 mm Hg during Valsalva maneuvers. During air contrast barium enema studies, sharp pressure increases and rapid swings in the intracolonic pressure occurred during and after manual insufflation of air. CONCLUSION: During conventional hydrostatic barium enema studies, intracolonic pressures remain low. During air insufflation, there were intermittent high, sharp pressure peaks." @default.
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- W2004494593 date "1995-07-01" @default.
- W2004494593 modified "2023-09-25" @default.
- W2004494593 title "Intracolonic pressure measurements during hydrostatic and air contrast barium enema studies in children." @default.
- W2004494593 doi "https://doi.org/10.1148/radiology.196.1.7784589" @default.
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