Superior mesenteric blood flow during experimentally induced dumping in man

C. Norryd, H. Dencker, A. Lunderquist, T. Olin, Ulf Tylen

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The superior mesenteric circulation was studied with a dye dilution technique after catheterization of the superior mesenteric artery and vein during provoked dumping in 5 patients. Dumping was provoked by intrajejunal instillation of 150 ml 50% glucose. A marked increase of, on average, 157% was recorded in the superior mesenteric blood flow within a few min of the instillation of glucose. The maximal increase in the flow was, on average, 223% and occurred about 40 min after provocation. The instillation of glucose was promptly followed by a reduction in vascular resistance of the superior mesenteric vessels by 63% which decreased further to a mean maximal reduction of 76% below the resting level. The increase in the ratio between the superior mesenteric blood flow and cardiac output from 12 to 27% following instillation of glucose further underlines the pronounced vasodilatation of the small intestine. Superior mesenteric angiography at different intervals after provocation of dumping showed that the increased superior mesenteric blood flow is due to a local increase in the flow.

Original languageEnglish (US)
Pages (from-to)187-196
Number of pages10
JournalActa Chirurgica Scandinavica
Volume141
Issue number3
StatePublished - 1975
Externally publishedYes

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Glucose
Dye Dilution Technique
Splanchnic Circulation
Mesenteric Veins
Superior Mesenteric Artery
Vasodilation
Catheterization
Cardiac Output
Vascular Resistance
Small Intestine
Angiography

ASJC Scopus subject areas

  • Surgery

Cite this

Norryd, C., Dencker, H., Lunderquist, A., Olin, T., & Tylen, U. (1975). Superior mesenteric blood flow during experimentally induced dumping in man. Acta Chirurgica Scandinavica, 141(3), 187-196.

Superior mesenteric blood flow during experimentally induced dumping in man. / Norryd, C.; Dencker, H.; Lunderquist, A.; Olin, T.; Tylen, Ulf.

In: Acta Chirurgica Scandinavica, Vol. 141, No. 3, 1975, p. 187-196.

Research output: Contribution to journalArticle

Norryd, C, Dencker, H, Lunderquist, A, Olin, T & Tylen, U 1975, 'Superior mesenteric blood flow during experimentally induced dumping in man', Acta Chirurgica Scandinavica, vol. 141, no. 3, pp. 187-196.
Norryd, C. ; Dencker, H. ; Lunderquist, A. ; Olin, T. ; Tylen, Ulf. / Superior mesenteric blood flow during experimentally induced dumping in man. In: Acta Chirurgica Scandinavica. 1975 ; Vol. 141, No. 3. pp. 187-196.
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