Summary
The concentration of insulin in the portal venous blood shows in 8 patients in the early postoperative period under constant infusion of glucose a multiphasic course. The differences between the highest and lowest points are significant. Only the initial and the most prominent secondary peak can be followed up in the cubital venous blood. The role of the liver as buffer against the surplus of secreted insulin is discussed.
Zusammenfassung
Die Insulinkonzentration im Pfortaderblut bei 8 Patienten in der frühen postoperativen Phase zeigt unter konstanter Glucoseinfusion einen vielgipfligen Verlauf. Die Unterschiede zwischen Gipfel und Täler sind signifikant. Lediglich initialer und der am stärksten ausgeprägte sekundäre Gipfel sind auch im Cubitalvenenblut zu beobachten. Die Rolle der Leber als Puffer gegenüber überschüssig sezerniertem Insulin wird diskutiert.
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Bittner, R., Beger, H.G. & Kraas, E. Profil der Glucosestimulierten Insulinsekretion im Pfortaderblut des Menschen. Klin Wochenschr 52, 575–577 (1974). https://doi.org/10.1007/BF01468499
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DOI: https://doi.org/10.1007/BF01468499
Key words
- Insulin secretion in vivo
- oscillation in insulin response curve
- liver extraction of insulin
- glucose metabolism in early postoperative period