A computerized method for rapid quantification of gallbladder volume from real-time sonograms.

Hopman, W. P. M.; Brouwer, W.; Rosenbusch, Gerd; Jansen, J.B.M.J.; Lamers, C. B. H. W.

doi:10.1148/radiology.154.1.3880611

Cited by 70 publications

(37 citation statements)

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“…Table Perfusion of albumin or amino acids with-B; Toshiba, Tokyo, Japan) using a 3.75-MHz transducer.25 '26 out camostate induced a statistically significant decrease Gallbladder volume was calculated from these images by the of gallbladder volume (P < 0.001) that was accompanied sum of cylinders method using a computer system. 27 The varia tion of volume measurements ranged from 6% to 22%.…”

Section: Plasma Concentrations Of Cck and Pancreatic Polypeptidementioning

confidence: 99%

Role of intraduodenal proteases in plasma cholecystokinin and pancreaticobiliary responses to protein and amino acids

Thimister¹,

Hopman²,

Sloots³

et al. 1996

Gastroenterology

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Background & Aims:The role of small intestinal proteoicy seems to play an important role. However, inclicalytic activity in the regulation of upper gastrointestinal function in humans is poorly understood. The aim of this study was to determine the importance of proteolytic ac tivity for protein-or amino acid-induced cholecystokinin release and pancreaticobiliary secretion. Methods: In 9 healthy subjects, saline was perfused intraduodenally for 3 hours either with or without the synthetic protease inhibitor camostate. During the last hour, albumin or amino acids in the same molecular composition as albu min were also perfused. Results: Perfusion with camos-

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Section: Plasma Concentrations Of Cck and Pancreatic Polypeptidementioning

confidence: 99%

Role of intraduodenal proteases in plasma cholecystokinin and pancreaticobiliary responses to protein and amino acids

Thimister¹,

Hopman²,

Sloots³

et al. 1996

Gastroenterology

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“…GBV was measured by means of real-time ultrasonography with the sum of cylinders method by using a computerized method. 22 In this method the longitudinal scan of the gallbladder is divided into a series of cylinders of equal height, with diameters perpendicular to the longitudinal axis of the gallbladder image. The uncorrected volume is the sum of volumes of these separate cylinders.…”

Section: Methodsmentioning

confidence: 99%

Plasma cholecystokinin levels and gallbladder volumes after proctocolectomy with ileal pouch-anal anastomosis

Salemans

Thimister

Hopman

et al. 1995

Surgery

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“…3.1 ± 0.3 pmol/1 during the last 45 min of the 3rd test hour. Gallbladder volume was calculated from these images by Perfusion of cholestyramine markedly enhanced amino acidthe sum of cylinders method using a computer system (19). stimulated CCK levels to 5.2 ±0.7 pmol/1 15 min after the start of amino acid perfusion.…”

Section: Plasma Cck Concentrationsmentioning

confidence: 99%

Cholestyramine Influences Meal-Stimulated Pancreaticobiliary Function and Plasma Cholecystokinin Independent of Gastric Emptying and Food Digestion

Thimister

Hopman

Loualidi

et al. 1997

Scandinavian Journal of Gastroenterology

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Thimister PWL, Hopman WPM, Loualidi A, Rosenbusch G, Willems HL, Trijbels FJM, Jansen JBMJ. Cholestyramine influences meal-stimulated pancreaticobiliary function and plasma cholecystokinin independent of gastric emptying and food digestion. Scand J Gastroenterol 1997;32:778-784.Background: Cholestyramine enhances gallbladder emptying and plasma cholecystokinin responses to oral ingestion of a mixed meal. It is not known whether this effect occurs independently of alterations in gastric emptying or maldigestion of nutrients. Methods: We perfused 15 g of an amino acid meal intraduodenally for 60 min in seven healthy volunteers, once with and once without cholestyramine, Intraduodenal perfusion of saline with or without cholestyramine (6 g/h) was started 60 min before the amino acid meal and continued for 2h. Results: Cholestyramine markedly enhanced the incremental plasma cholecystokinin response to the meal from 36 ± 12 to 139 ± 25pmol/1 -60min (P < 0.005), incremental amylase output from 2.4 ± 0.7 to 5.7 ± 0.7 kU/h (.P < 0.05), and incremental integrated gallbladder contraction from 1948 ± 235 to 2840 ± 189% * 60 min (P < 0.05). Conclusion: The enhanc ing effect of cholestyramine on postprandial gallbladder contraction, pancreatic enzyme secretion, and plasma cholecystokinin release is not dependent on gastric emptying rates or appropriate digestion of nutrients.

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A computerized method for rapid quantification of gallbladder volume from real-time sonograms.

Cited by 70 publications

References 0 publications

Role of intraduodenal proteases in plasma cholecystokinin and pancreaticobiliary responses to protein and amino acids

Role of intraduodenal proteases in plasma cholecystokinin and pancreaticobiliary responses to protein and amino acids

Plasma cholecystokinin levels and gallbladder volumes after proctocolectomy with ileal pouch-anal anastomosis

Cholestyramine Influences Meal-Stimulated Pancreaticobiliary Function and Plasma Cholecystokinin Independent of Gastric Emptying and Food Digestion

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