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10. Benefits and Limitations of Necrosectomy

Author

Mann, O., Strate, T., Yekebas, E., Izbicki, J., Beger, Hans G., editor, Matsuno, Seiki, editor, Cameron, John L., editor, Rau, Bettina M., editor, Sunamura, Makoto, editor, and Schulick, Richard D., editor

Published
2008
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14. Bihiläre Lymphome bei nichtseminomatösem Keimzelltumor

Author

Mann, O., Kleinhans, H., Gebauer, F., Kaifi, J., Schurr, P.G., Izbicki, J.R., and Strate, T.G.

Abstract

Zusammenfassung: Pulmonal und mediastinal vergrößerte Lymphknoten bei bekannten malignen Grunderkrankungen sind immer hochverdächtig auf eine lymphogene Metastasierung. Dies gilt insbesondere dann, wenn schon in regionären Lymphknotenstationen Tumorresiduen isoliert werden konnten. Dass trotz modernster präoperativer Diagnostik überraschende Befunde zutage kommen, zeigt der vorliegende Fall eines jungen Mannes mit einem nichtseminomatösen Hodenkarzinom, bei dem sich eine bihiläre Lymphknotenschwellung nicht als Rezidiv, sondern als ein simultane Sarkoidose herausstellte.

Published
2024
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15. Isovolämische Hämodilution mit HAES und bovinem Hämoglobin verbessert die pankreatische MikroZirkulation, den pankreatischen Gewebssauerstoffpartialdruck und bietet einen Überlebensvorteil bei schwerer akuter Pankreatitis im Schweinemodell

Author

Strate, Tim, Freitag, M., Schneider, C., Mann, O., Knoefel, W. T., Gocht, A., Yekebas, E., Izbicki, J. R., Ulrich, B., editor, Jauch, K.-W., editor, Bauer, H., editor, Menger, M. D., editor, Laschke, M., editor, and Slotta, J., editor

Published
2004
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26. Endoscopic vs. surgical myotomy in patients with idiopathic achalasia – five-year follow-up of a randomised trial.

Author

Hugova, K., Mares, J., Hakanson, B., Repici, A., Von Rahden, B.H. A., Bredenoord, A., Bisschops, R., Messmann, H., Vollberg, M. C., Ruppenthal, T., Mann, O., Izbicki, J., Pazdro, A., Fumagalli, U., Rosati, R., Germer, C. T., Schijven, M. P., Emmermann, A., Daniel, V. R., and Fockens, P.

Subjects
ESOPHAGEAL achalasia, MYOTOMY, BARRETT'S esophagus
Abstract

A recent study compared the effectiveness of endoscopic myotomy (POEM) and laparoscopic Heller myotomy (LHM) in patients with achalasia. The study found that both procedures were equally successful in controlling symptoms at the five-year follow-up. However, post-procedural reflux esophagitis and the need for acid inhibitors were more common after POEM. The study also noted that gastroesophageal reflux was more frequent in the POEM group compared to the LHM group. Overall, the study suggests that both procedures are effective in treating achalasia, but POEM may be associated with a higher risk of reflux. [Extracted from the article]

Published
2024
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29. Microscopic and electronic structure of semimetallic Sb and semiconducting AlSb fabricated by nanoscale electrodeposition: An in situ scanning probe investigation

Author

Mann, O., Aravinda, C.L., and Freyland, W.

Subjects
Electron configuration -- Analysis, Aluminum compounds -- Chemical properties, Chemicals, plastics and rubber industries
Abstract

A study on the nanoscale electrocrystallization of pure Sb and the compound semiconductor AlSb on Au(111) is conducted by in situ scanning probe techniques (STM and STS). Conductance spectra of these clusters display the main features of the electronic structure of the bulk semiconductor AlSb, with a band gap of 2.0 plusmn 0.2 eV.

Published
2006

48. Adaptive changes in pancreas post Roux-en-Y gastric bypass induced weight loss

Author

Lautenbach, A., Wernecke, M., Riedel, N., Veigel, J., Yamamura, J., Keller, S., Jung, R., Busch, P., Mann, O., Knop, F. K., Holst, J. J., Meier, J. J., Aberle, J., Lautenbach, A., Wernecke, M., Riedel, N., Veigel, J., Yamamura, J., Keller, S., Jung, R., Busch, P., Mann, O., Knop, F. K., Holst, J. J., Meier, J. J., and Aberle, J.

Abstract

Background:Obesity has been shown to trigger adaptive increases in pancreasparenchymal and fat volume. Consecutively, pancreatic steatosis may lead to beta‐cell dysfunction. However, it is not known whether the pancreatic tissue compo-nents decrease with weight loss and pancreatic steatosis is reversible followingRoux‐en‐Y gastric bypass (RYGB). Therefore, the objective of the study was toinvestigate the effects of RYGB‐induced weight loss on pancreatic volume andglucose homeostasis.Methods:Eleven patients were recruited in the Obesity Centre of the UniversityMedical Centre Hamburg‐Eppendorf. Before and 6 months after RYGB, total GLP‐1levels were measured during oral glucose tolerance test. To assess changes invisceral adipose tissue and pancreatic volume, MRI was performed. Measures ofglucose homeostasis and insulin indices were assessed. Fractional beta‐cell areawas estimated by correlation with the C‐peptide‐to‐glucose ratio; beta‐cell masswas calculated by the product of beta‐cell area and pancreas parenchymal weight.Results:Pancreas volume decreased from 83.8 (75.7‐92.0) to 70.5 (58.8‐82.3) cm3(mean [95% CI],P= .001). The decrease in total volume was associated with asignificant decrease in fat volume. Fasting insulin and C‐peptide were lower postRYGB. HOMA‐IR levels decreased, whereas insulin sensitivity increased (P= .03). Thiswas consistent with a reduction in the estimated beta‐cell area and mass.Conclusions:Following RYGB, pancreatic volume and steatosis adaptivelydecreased to“normal”levels with accompanying improvement in glucose homeosta-sis. Moreover, obesity‐driven beta‐cell expansion seems to be reversible; however,future studies must define a method to more accurately estimate functional beta‐cellmass to increase our understanding of glucose homeostasis after RYGB.

Published
2018

49. Importance of price in industrial buying: sales versus purchasing perspectives

Author

Avila, Ramon A., Dodds, William B., Chapman, Joseph D., Mann, O. Karl, and Wahlers, Russell G.

Subjects
Purchasing -- Research -- Analysis, Business-to-business market -- Research -- Analysis, Business, general, Business, Business to business market, Analysis, Research
Abstract

This study looks at buyers' and sellers' perspectives in attempting to determine the importance of three sales knowledge bases: product, service, and price. Organizational buying behavior literature addresses the notion [...]

Published
1993

50. Marketing strategies of small industrial manufacturers

Author

Weinrauch, J. Donald, Mann, O. Karl, Pharr, Julie M., and Robinson, Patricia A.

Subjects
Marketing -- Methods, Business-to-business market -- Research, Small business -- Marketing, Manufacturing industry -- Marketing, Advertising, marketing and public relations, Business, Business, international
Abstract

Many small industrial marketers must market their products and services with limited resources. Thus, they must utilize economical marketing techniques to successfully achieve their goals. This article presents the results of a survey of small manufacturers' perceptions, attitudes, and actual experiences in using selected low-cost marketing strategies. (Reprinted by permission of the publisher.)

Published
1991

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