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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 6 (1927), S. 552-553 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 43 (1927), S. 163-174 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 44 (1927), S. 120-123 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 47 (1929), S. 202-214 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 42 (1926), S. 310-323 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 29 (1973), S. 423-427 
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The complete spectrum emitted by a conventional X-ray diffraction Cu target produces damage in a small TGS crystal which is evident from the variation of integrated intensities of X-ray reflexions with irradiation time. An interpretation of the data is proposed which assumes that the trapping of irradiation products causes an exponential decrease of mosaic-block diameters. An empirical correction of the Zachariasen extinction factor for crystals belonging to type II is suggested, since the TGS crystal is of this type.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Physics and Chemistry of Solids 46 (1985), S. 1383-1386 
    ISSN: 0022-3697
    Keywords: ferroelectric materials ; phase transition
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Protein Structure and Molecular 827 (1985), S. 381-388 
    ISSN: 0167-4838
    Keywords: (B. megaterium) ; Conformational change ; Glucose dehydrogenase ; Subunit dissociation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für Kardiologie 89 (2000), S. 227-235 
    ISSN: 1435-1285
    Keywords: Key words Heart failure – exercise training – skeletal muscle – quality of life – prognosis ; Schlüsselwörter Herzinsuffizienz – Training – Skelettmuskel – Lebensqualität – Prognose
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Leitsymptome bei chronischer Herzinsuffizienz sind Dyspnoe und eingeschränkte körperliche Belastbarkeit. Die pathologischen Herzveränderungen allein können die Symptomatik der Patienten nicht ausreichend erklären, vielmehr bestehen zusätzlich Veränderungen der peripheren Durchblutung, der respiratorischen Funktion, der Skelettmuskulatur und des neuroendokrinen Systems. Einschränkung der körperlichen Aktivität bis hin zur Bettruhe, bei akuter Herzinsuffizienz günstig und erforderlich, führt im chronischen Stadium zu einer weiteren Verschlechterung der Symptomatik. Im Gegensatz dazu kann körperliches Training die Belastbarkeit der Patienten mit chronischer Herzinsuffizienz deutlich verbessern, wie sich seit den 80er Jahren in zahlreichen Studien zeigen ließ. Die kardiale Funktion ändert sich dabei nur gering (es kommt aber auch nicht zu der initial befürchteten Verschlechterung), die Verbesserung tritt hauptsächlich durch die Beeinflussung der extrakardialen Veränderungen bei Herzinsuffizienz ein. Nicht zuletzt wird die Lebensqualität der Patienten signifikant besser. Ob die Prognose hinsichtlich Mortalität günstig beeinflusst werden kann, ist derzeit noch unklar, wenngleich eine rezente Arbeit erste Hinweise darauf gibt. Schon zu diesem Zeitpunkt zeigt sich, dass körperliches Training für ausgewählte Patienten mit Herzinsuffizienz empfohlen werden kann, eine ausreichende Supervision muss allerdings gewährleistet sein.
    Notes: Summary The main symptoms of chronic heart failure are dyspnoe and exercise intolerance. The pathophysiological basis of these symptoms is not simply the dysfunction of the heart, but a complex interaction of the central circulation, the peripheral vessels, the skeletal muscles, the ventilatory, and the endocrine system. In contrast to acute heart failure, where bedrest is known to be beneficial, prolonged limitation of physical activity can be detrimental in the chronic stage of the disease. Therefore, since the 1980s there have been several reports about heart failure patients participating in exercise programs. The results were encouraging: the physiological gains were impressive, and contrary to prior fears, in the great majority of reports no deterioration of the cardiac function could be observed. The net result of training in this condition is an improvement in exercise capacity in the range of the best pharmacological treatment. In detail, blood flow into the working muscle is increased, the ventilation for each given workload is reduced, the skeletal muscle overall function (including biochemical and histological aspects) is improved, the increased neurohormonal activity – especially of the sympathicoadrenergic system – will be normalized, and the patient‘s quality of life is significantly improved. Whether all of these beneficial aspects will result in improved survival is not yet proven, although one recent study provides some evidence in this direction. But even if today no definite answer to this question from a large, multicenter trial is available, application of exercise training for selected heart failure patients can be recommended, if adequate supervision is provided.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1435-1285
    Keywords: Key words Sinus-Valsalva-aneurysm – echocardiography – heart failure ; Schlüsselwörter Sinus-Valsalva-Aneurysma – kardiale Dekompensation – Echokardiographie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Eine 54jährige Patientin wurde wegen akuter Thoraxschmerzen, zunehmender Dyspnoe und mit dem Bild einer rechtsventrikulären kardialen Dekompensation stationär aufgenommen. In der weiteren Abklärung mittels Echokardiographie konnte auf nichtinvasivem Wege als Ursache ein ruptiertes Sinus-Valsalva-Aneurysma des rechtskoronaren Segels mit Links-rechts-Shunt in den rechten Vorhof festgestellt werden. Die invasive Abklärung bestätigte den Befund. Der herzchirurgische Eingriff verlief unter Erhalt der Aortenklappe komplikationslos. Sechs Monate später waren echokardiographisch die Rechtsherzabschnitte normal weit, im Farbdoppler war kein Shunt mehr nachweisbar. Eine akute kardiale Insuffizienz kann auch im mittleren Lebensalter Folge eines kongenitalen Herzfehlers sein. Durch die Echokardiographie und speziell durch die transösophageale Echokardiographie konnte auf nichtinvasivem Wege eine präzise Diagnose gestellt werden.
    Notes: Summary A 54 year old women was admitted to a hospital because of acute thoracal pain, dyspnea, and clinical signs of overt right heart failure. Transthoracic and multiplane echocardiography established the diagnosis of a ruptured aneurysm of the right coronary sinus of valsalva into the right atrium which could be confirmed by cardiac catheterization. During heart surgery, which was done without complications, the defect was closed with a suture. Six months later echocardiography showed a normal right ventricle; the function of the aortic valve was regular. Acute heart failure may be due to a congenital structural cardiac anomaly in spite of the age of 54. In such conditions transthoracic and especially transesophageal echocardiography serve as noninvasive excellent tools to make an exact diagnosis.
    Type of Medium: Electronic Resource
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