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91.
Severin P. Schwarzacher Jonas A. Metz Paul G. Yock Peter J. Fitzgerald 《Catheterization and cardiovascular interventions》1997,40(2):152-155
Stent deployment strategies have changed significantly in the past 2 yr, with “high-pressure” balloon inflations postdilatation being performed in the large majority of cases. There is currently little information about the effects of high pressure on the geometry of stent expansion and on the adjacent areas of the vessel wall. Intravascular ultrasound (IVUS) imaging is well-suited to investigate these issues, since it provides information not only about stent expansion and apposition but also about adjacent vessel-wall morphology at transition points such as the articulation site of the stent and the stent borders. We report on the results of a cohort of 30 consecutive stent cases which were systematically examined by IVUS following high-pressure inflation. All deployments were deemed successful by angiographic inspection. However, in 6 cases, intimal disruptions or “edge tears” were noted at the stent borders by IVUS. In 5 cases, edge tears were seen to occur at the distal border, whereas in one case edge tears were seen at both the proximal and distal edges of the stent. No angiographic and sonographic parameters were different except percent plaque area at the stent margins, which was significantly higher (53 ± 11%) in the lesions with edge tears, compared to 40 ± 10% plaque area in the group without evidence of pocket flaps (P = 0.007). This experience suggests that intimal disruptions or “edge tears” are a relatively common occurrence following high-pressure stent deployment, and may be related to the extent of marginal dissections. Cathet. Cardiovasc. Diagn. 40:152–155, 1997. © 1997 Wiley-Liss, Inc. 相似文献
92.
Engelhardt Flaschentrger B. Schnberg Matwejeff Stern F. Freund H. Kalmus Strassmann G. Klbs Schwarzacher Wolf Gnther Ullmann K. Oppenheim M. Mayer R. L. Liguori-Hohenauer Peiser B. Steiger-Kazal Ruickoldt Ehrismann Siegel R. Salinger Jendralski Donalies Eisner W. Frnkel F. Leibbrand Lendle Hesse Fuss S. Autoreferat Oberndorfer Ott Spiecker Merkel H. Teleky Klestadt Badt Marx Wilcke Romanese Weber 《International journal of legal medicine》1931,16(1):97-109
International Journal of Legal Medicine - 相似文献
93.
Dr. Walther Schwarzacher 《International journal of legal medicine》1922,1(1):411-422
Ohne ZusammenfassungMit 2 Textabbildungen.Vorgetragen auf der Versammlung der Deutschen Gesellschaft für gerichtliche und soziale Medizin inErlangen, September 1921. 相似文献
94.
Despite their common function, centromeric DNA sequences are not conserved between organisms. Most centromeres of animals and plants so far investigated have now been shown to consist of large blocks of tandemly repeated satellite sequences that are embedded in recombination-deficient heterochromatic regions. This central domain of satellite sequences that is postulated to mediate spindle attachment is surrounded by pericentromeric sequences incorporating various classes of repetitive sequences often including retroelements. The centromeric satellite DNA sequences are amongst the most rapidly evolving sequences and pose some fundamental problems of maintaining function. In this overview, we will discuss work on centromeric repetitive sequences in Arabidopsis thaliana and its relatives, and highlight some of the common features that are emerging when analysing closely related species. 相似文献
95.
Deletion of the amyloid precursor‐like protein 1 (APLP1) enhances excitatory synaptic transmission,reduces network inhibition but does not impair synaptic plasticity in the mouse dentate gyrus 下载免费PDF全文
96.
H G Schwarzacher 《Wiener klinische Wochenschrift》1975,87(21):705-709
Human diploid fibroblast cultures in the phase of degeneration were compared with logarithmically-growing young cultures. Old cultures contain cells of increased size showing all signs of intact protein synthesis by means of the light and the electron microscope. DNA synthesis and cell division do not occur in old cultures. Premature chromosome condensation is still possible in old cells after fusion with mitotic cells of a fast-growing culture. 相似文献
97.
98.
A. Lorenz Timm Keim Schwarzacher F. Fränkel W. Misch H. Merkel Weimann Bettzieche G. Strassmann O. Schmidt S. Talwik Jochims Junius Behrens Wietrich Ziemke Vorkastner Josef Wilder Lahm Prinzing J. Vas Teleky Rasor Kalmus Schönberg O. Seifert Wilcke Ganter Marx Kalmus v. Neureiter H. Scholz Albert Meyerstein R. Schoen Jastrowitz Kastan Foerster Albrecht P. F. Richter Pieper 《International journal of legal medicine》1930,14(3):103-116
99.
100.