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Erschienen in: International Journal of Colorectal Disease 1/2006

01.01.2006 | Original Article

n−3, n−6, and n−9 polyunsaturated fatty acids—which composition in parenteral nutrition decreases severity of acute hemorrhagic necrotizing pancreatitis in rats?

verfasst von: M. Kilian, I. Heukamp, J. I. Gregor, C. Bretthauer, M. K. Walz, C. A. Jacobi, H. Lochs, I. Schimke, H. Guski, F. A. Wenger

Erschienen in: International Journal of Colorectal Disease | Ausgabe 1/2006

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Abstract

Background and aims

Acute pancreatitis often requires parenteral nutrition. Thus, we analyzed, using a randomized trial, whether different fatty acids in parenteral nutrition influence lipidperoxidation and histopathology in acute pancreatitis in rats.

Materials and methods

Seventy-five male Sprague–Dawley rats were randomized into five groups (gr.) (n=15). Gr. 1 underwent a laparotomy followed by saline infusion, gr. 2–5 received intraductal glycodeoxycholic acid (GDOC) followed by intravenous cerulein. Six hours after induction of pancreatitis (IOP), gr. 2 received saline infusion, while gr. 3 was infused with standard lipovenous (rich in [n−6] polyunsaturated fatty acids (PUFA)), gr. 4 received ClinOleic (rich in [n−9] PUFA), while gr. 5 was infused with Omegaven (rich in [n−3] PUFA) for 18 h. After 24 h, all animals were sacrificed and the pancreas was determined histopathologically according to the severity of pancreatitis. Furthermore, pancreatic lipidperoxidation (TBARS) and activity of lipid production protective enzymes superoxide dismutase (SOD) and gluthationperoxidase (GSHPx) were analyzed.

Results

Omegaven infusion reduced the severity of histopathologic changes in acute pancreatitis and decreased lipidperoxidation (TBARS) in pancreatic tissue samples. Furthermore, pancreatic activity of SOD was increased. However, standard PUFA and ClinOleic infusion did not influence the severity of pancreatitis and lipidperoxidation.

Conclusion

Parenteral nutrition high in n−3 PUFA seems to be superior to compositions of n−6 or n−9 PUFA in the treatment of acute hemorrhagic pancreatitis in rats.
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Metadaten
Titel
n−3, n−6, and n−9 polyunsaturated fatty acids—which composition in parenteral nutrition decreases severity of acute hemorrhagic necrotizing pancreatitis in rats?
verfasst von
M. Kilian
I. Heukamp
J. I. Gregor
C. Bretthauer
M. K. Walz
C. A. Jacobi
H. Lochs
I. Schimke
H. Guski
F. A. Wenger
Publikationsdatum
01.01.2006
Erschienen in
International Journal of Colorectal Disease / Ausgabe 1/2006
Print ISSN: 0179-1958
Elektronische ISSN: 1432-1262
DOI
https://doi.org/10.1007/s00384-004-0724-z

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