Gastric Emptying Rate Measurement after Vertical Banded Gastroplasty |
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| Authors: | W Mistiaen MD PhD W Vaneerdeweg MD PhD P Blockx MD R Van Hee MD PhD G Hubens MD PhD H Bortier MD PhD F Harrisson |
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| Institution: | (1) Laboratory of Human Anatomy, University Hospital of Antwerp, Belgium;(2) Department of Surgery, University Hospital of Antwerp, Belgium;(3) Department of Nuclear Medicine, University Hospital of Antwerp, Belgium;(4) Department of Surgery, General Hospital Stuivenberg, Antwerp, Belgium;(5) Department of Surgery, General Hospital Stuivenberg, Antwerp, Belgium;(6) Laboratory of Human Anatomy, University Hospital of Antwerp, Belgium;(7) Laboratory of Human Anatomy, General Hospital Stuivenberg, Antwerp, Belgium |
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| Abstract: | Background: In vertical banded gastroplasty (VBG), a small proximal gastric pouch is created, which is believed to fill rapidly
and to empty slowly. Methods: In 13 patients who underwent VBG, gastric emptying rate was measured. A radiolabelled solid
test meal was used before and 2 weeks after operation. From a region of interest above the whole stomach, the proximal pouch
and the distal stomach, half emptying time as well as retention percentage were derived. Results: All patients experienced
early satiety and gastric fullness after ingestion of a small test meal. The proximal pouch emptied rapidly.The evacuation
of the test meal from the whole gastric region as well as the distal stomach were not altered significantly by the operation.
Conclusion: VBG is a safe operation which reduced weight significantly. Early satiety, however, induced by this technique,
cannot be explained alone by slow emptying of the proximal pouch. The nature of the outlet of the pouch as well as the behavior
of its wall must be considered. |
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| Keywords: | MORBID OBESITY VERTICAL BANDED GASTROPLASTY WEIGHT LOSS GASTRIC EMPTYING RATE |
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