997 resultados para 658.82
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BACKGROUND: Quantitative myocardial PET perfusion imaging requires partial volume corrections. METHODS: Patients underwent ECG-gated, rest-dipyridamole, myocardial perfusion PET using Rb-82 decay corrected in Bq/cc for diastolic, systolic, and combined whole cycle ungated images. Diastolic partial volume correction relative to systole was determined from the systolic/diastolic activity ratio, systolic partial volume correction from phantom dimensions comparable to systolic LV wall thicknesses and whole heart cycle partial volume correction for ungated images from fractional systolic-diastolic duration for systolic and diastolic partial volume corrections. RESULTS: For 264 PET perfusion images from 159 patients (105 rest-stress image pairs, 54 individual rest or stress images), average resting diastolic partial volume correction relative to systole was 1.14 ± 0.04, independent of heart rate and within ±1.8% of stress images (1.16 ± 0.04). Diastolic partial volume corrections combined with those for phantom dimensions comparable to systolic LV wall thickness gave an average whole heart cycle partial volume correction for ungated images of 1.23 for Rb-82 compared to 1.14 if positron range were negligible as for F-18. CONCLUSION: Quantitative myocardial PET perfusion imaging requires partial volume correction, herein demonstrated clinically from systolic/diastolic absolute activity ratios combined with phantom data accounting for Rb-82 positron range.
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by Christian D. Ginsburg
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Vorbesitzer: Eljāqīm Carmoly; Abraham Merzbacher
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Vorbesitzer: Bartholomaeusstift Frankfurt am Main
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OBJECTIVES The aim of the Cavalier trial was to evaluate the safety and performance of the Perceval sutureless aortic valve in patients undergoing aortic valve replacement (AVR). We report the 30-day clinical and haemodynamic outcomes from the largest study cohort with a sutureless valve. METHODS From February 2010 to September 2013, 658 consecutive patients (mean age 77.8 years; 64.4% females; mean logistic EuroSCORE 10.2%) underwent AVR in 25 European Centres. Isolated AVRs were performed in 451 (68.5%) patients with a less invasive approach in 219 (33.3%) cases. Of the total, 40.0% were octogenarians. Congenital bicuspid aortic valve was considered an exclusion criterion. RESULTS Implantation was successful in 628 patients (95.4%). In isolated AVR through sternotomy, the mean cross-clamp time and the cardiopulmonary bypass (CPB) time were 32.6 and 53.7 min, and with the less invasive approach 38.8 and 64.5 min, respectively. The 30-day overall and valve-related mortality rates were 3.7 and 0.5%, respectively. Valve explants, stroke and endocarditis occurred in 0.6, 2.1 and in 0.1% of cases, respectively. Preoperative mean and peak pressure gradients decreased from 44.8 and 73.24 mmHg to 10.24 and 19.27 mmHg at discharge, respectively. The mean effective orifice area improved from 0.72 to 1.46 cm(2). CONCLUSIONS The current 30-day results show that the Perceval valve is safe (favourable haemodynamic effect and low complication rate), and can be implanted with a fast and reproducible technique after a short learning period. Short cross-clamp and CPB times were achieved in both isolated and combined procedures. The Perceval valve represents a promising alternative to biological AVR, especially with a less invasive approach and in older patients.
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Welsch (Projektbearbeiter): Appell von 50 Urwählern des Berliner 82. Bezirks, nur solche Wahlmänner zu wählen, die zur konstitutionellen Monarchie und zur Verfassung vom 5. Dezember 1848 stehen. Letztere ist aufgrund der Möglichkeit der Revision nicht unbedingt oktroyiert zu nennen.
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u.a.: Streitigkeiten über die geplante Vermögensaufteilung; Mutter-Sohn-Konflikt;
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u.a.: Marie;
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3 Briefe zwischen Graf Lazy Henckel von Donnersmarck und Max Horkheimer, 1968; 2 Briefe zwischen Gräfin Nina Henckel von Donnersmarck und Max Horkheimer, 1968; 4 Briefe zwischen der Sängerin Carla Henius und Max Horkheimer, 1970-1971; 1 Brief an K. H. Hennings von Max Horkheimer, 1967; 4 Briefe zwischen Professor Wilhelm Hennis und Max Horkheimer, 1971; 1 Brief an Professor Dieter Henrich von Max Horkheimer, 1964; 2 Briefe zwischen Caroline Hergert und Max Horkheimer, 1970; 1 Brief von Professor Fred Herman an Max Horkheimer, 1959; 2 Briefe zwischen der Fachschülerin Dora Herrmann und Max Horkheimer, 1972; 2 Briefe zwischen Professor Franz Herrmann und Max Horkheimer, 1970; 6 Briefe zwischen Dr. phil. Gert-Julius Herrmann und Max Horkheimer, 1968; 2 Briefe zwischen Dipl. Kfm. Dr. Dr. Otto O. Herz und Max Horkheimer, 1969; 4 Briefe zwischen Professor und Museumsdirektor Erich Herzog und Max Horkheimer, 1970; 2 Briefe zwischen Hans Eberhard Hess und Max Horkheimer, 1970; 16 Briefe zwischen Professor Eugen Hess-Baer und Max Horkheimer, 1966-1971; 3 Briefe zwischen Karl Hess und Max Horkheimer, 1969-1971; 1 Drucksache von Pfarrer Walter Hess, 1971; 6 Briefe zwischen dem Bankier Walter Hesselbach und Max Horkheimer, 1971-1973; Drucksachen vom Hessischen Kreis, 1968; Briefe zwischen dem Hessischen Landesmuseum Darmstadt und Max Horkheimer, 1969; 25 Briefe zwischen Professor Heinz Joachim Heydorn und Max Horkheimer, 1965-1973; 2 Briefe zwischen Dr. Karl Heymann und Max Horkheimer, 1970; 1 Brief an den Hippokrates-Verlag von Max Horkheimer, 1971; 9 Briefe zwischen Walter Hirschmann und Max Horkheimer, 1969-1971;
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Vorbesitzer: Dominikanerkloster Frankfurt am Main
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Übersendung eines Diploms