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307. Technik der elektiven Milzresektion (1987)

Seufert, R. ; Böttcher, W.

Springer

Langenbeck's archives of surgery 372 (1987), S. 927-927

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ISSN: 1435-2451

Keywords: Spleen ; Splenic preservation ; Partial splenectomy ; Milz ; Milzerhaltung ; Milzresektion

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Description / Table of Contents: Zusammenfassung Die Milzresektion hat zum Ziel, genügend Gewebe für die Aufgaben des Organs zu erhalten. Die Technik wird am Beispiel der Resektion einer Cyste gezeigt. Anatomische Voraussetzung ist die mehrteilige Anlage des Organs aus Segmenten. Nach Unterbindung der Segmentarterie gelingt die Resektion ohne grössere Blutung. Einzelne eröffnete Gefässe werden gezielt umstochen. Die Wundfläche wird durch Matratzennähte verschlossen und mit Fibrinkleber und Kollagenvlies zusätzlich abgedichtet. Die Komplikationsrate des Wahleingriffs ist gering. Er vermittelt operative Sicherheit als Voraussetzung zur Resektion bei geeigneten Fällen von Milzrupturen.

Notes: Summary The aim of partial splenectomy is to preserve sufficient tissue to assure organ function. The technique is shown during resection of a cyst. An anatomical prerequisite for resection is that the spleen be composed of multisegments. After ligation of th segmental artery, resection is possible without the occurrence of major bleeding. A few bleeding vessels can be ligated and the transsection plane closed by mattress sutures. In addition, fibrin adhesive and collagen fleece ensure hemostasis. Experience in such operations provides the surgeon with the skills needed to apply this technique in suitable cases of traumatic splenic rupture.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01298092

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Polymerization of 2-nitroolefins (1964)

Sovish, R. C. ; Boettcher, W.

New York : Wiley-Blackwell

Journal of Polymer Science Part A: General Papers 2 (1964), S. 5247-5255

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ISSN: 0449-2951

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: A series of 2-nitroolefins was synthesized and polymerized, with particular attention given to 2-nitrobutene. Several catalysts were compared, and the sodium cyanidedimethylformamide system studied in detail. Monomer aging had a pronounced effect on the polymerization of the nitromonomers. The polymerization under ideal conditions is exceedingly fast, and evidence favors chain termination by chain transfer to monomer. Molecular weights, even under optimum conditions, were low, and solvents with high dielectric constants were ordinarily necessary for polymer formation. The effect of chain length on polymer properties was also determined.

Additional Material: 5 Tab.