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  • Abbreviations25OHD 25-Hydroxyvitamin D  (1)
  • Echo-enhanced voiding urosonography  (1)
  • Magnetospheric physics (magnetospheric configuration and dynamics; MHD waves and unstabilities)  (1)
  • 1
    ISSN: 0992-7689
    Keywords: Electromagnetics (wave propagation) ; Magnetospheric physics (magnetospheric configuration and dynamics; MHD waves and unstabilities)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Simultaneous whistler records of one station and geomagnetic pulsation (Pc3) records at three stations were compared. In a previous study correlation was found between occurrence and L value of propagation/excitation for the two phenomena. The recently investigated simultaneous records have shown that the correlation is better on longer time scales (days) than on shorter ones (minutes), but the L values of the propagation of whistlers/excitation of pulsations are correlated, i.e. if whistlers propagate in higher latitude ducts, pulsations have periods longer than in the case when whistlers propagate in lower latitude ducts.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 159 (2000), S. 412-415 
    ISSN: 1432-1076
    Keywords: Key words Malignant infantile osteopetrosis ; Rickets ; Neonate ; Vitamin D deficiency ; Abbreviations25OHD 25-Hydroxyvitamin D ; 1,25(OH)2D 1,25-Dihydroxyvitamin D ; PTH Parathyroid hormone ; ALP Alkaline phosphatase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A neonate presented with clinical, biochemical, endocrine and radiographic features consistent with vitamin D deficiency rickets of maternal origin. Persistent hypocalcemia and subsequent development of pancytopenia, hemolysis and hepatosplenomegaly prompted further studies that led to the diagnosis of infantile osteopetrosis. Conclusion Osteopetrosis is an important differential diagnosis of neonatal rickets and is not excluded by low vitamin D levels.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Vesikoureteraler Reflux ; Ultraschall ; Echoverstärkte Miktionsurosonographie ; Levovist® ; Miktionszystourethrographie ; Key words Vesicoureteral reflux ; Ultrasonography ; Echo-enhanced voiding urosonography ; Levovist® ; Voiding cystourethrography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Aim: To ascertain the diagnostic efficacy of reflux sonography with the application of the echo-enhancing agent Levovist® in comparison with X-ray voiding cystourethrography (VCUG). Patients and methods: Echo-enhanced voiding urosonography (VUS) and VCUG were performed successively in one examination session in 114 children referred for the investigation of possible vesicoureteral reflux (VUR). After sonography of the urinary tract the bladder was filled with normal saline and Levovist® was administered. Reflux was diagnosed when hyperechogenic, floating microbubbles appeared in the ureters or renal pelvises. Results: A total of 226 kidney-ureter units were available for analysis. Reflux was diagnosed in 80 units. All grades of reflux were represented. In 15 kidney-ureter units VUR was diagnosed with echo-enhanced VUS but was not seen at VCUG. The contrary was true in 3 units. High sensitivity and specificity in comparison to the VCUG could be attributed to the echo-enhanced VUS. The long imaging window attainable with Levovist® makes the documentation of convincing images possible, contributing to the high diagnostic efficacy. Conclusion: Echo-enhanced VUS is comparable to VCUG in the diagnosis of reflux.
    Notes: Zusammenfassung Einleitung: Ziel der Arbeit war es, zu prüfen, ob die echoverstärkte Miktionsurosonographie (MUS) der Röntgen-Miktionszystourethrographie (MCU) in der Diagnostik des vesikoureteralen Refluxes (VUR) vergleichbar ist. Methodik: Eine echoverstärkte MUS und eine MCU wurden bei 114 Patienten nacheinander in der gleichen Sitzung zum Nachweis oder Ausschluß eines vesikoureteralen Refluxes (VUR) durchgeführt. Nach einer Sonographie des Harntrakts erfolgte die Füllung der Blase mit Kochsalzlösung und Levovist® (Schering AG, Berlin). Ein Reflux wurde diagnostiziert, wenn sich im Harnleiter oder Nierenbecken hyperechogene, flottierende Mikrobläschen darstellten. Ergebnisse: Es standen 226 Nieren-Harnleiter-Einheiten zur Analyse zur Verfügung. Ein Reflux wurde in 80 Einheiten diagnostiziert. Alle Refluxgrade kamen vor. In 15 Einheiten wurde in der MUS ein VUR diagnostiziert, aber nicht in der MCU. Das Gegenteil war in 3 Einheiten der Fall. Die echoverstärkte MUS hat damit im Vergleich zur Referenzmethode MCU eine hohe Sensitivität und Spezifität. Die lange Kontrastdauer von Levovist® ermöglicht überzeugende Bilder und eine hohe diagnostische Sicherheit. Schlußfolgerung: Die echoverstärkte MUS ist der MCU in der Diagnostik des VUR gleichwertig.
    Type of Medium: Electronic Resource
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