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  • Electronic Resource  (2)
  • microstrip tapers  (1)
  • quinapril  (1)
  • 1
    ISSN: 1573-7241
    Keywords: angiotensin converting enzyme ; quinapril ; left ventricular hypertrophy ; glomerular filtration rate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Of 17 patients with mild to moderate essential hypertension, 8 showed echocardiographic evidence of left ventricular hypertrophy. Cardiac and renal function evaluated by glomerular filtration rate (GFR) were studied in all patients before and after 20 weeks of quinapril treatment. Systolic pressure decreased from 174.7±16.7 to 131.7±7.7 mmHg (p〈.0001) and diastolic pressure decreased from 101.8±9.8 to 80±4.3 mmHg (p〈.0001). Left ventricular mass index decreased in the eight patients with left ventricular hypertrophy (p〈.01). Basal values of GFR were lower than normal in 41% of all patients; GFR increased significantly after 20 weeks of treatment (from 96.5±32.3 to 108.6±31.12 ml/min, p〈.01); it decreased in only one patient. Patients reported few adverse effects to quinapril, and no important clinical laboratory abnormality was observed. Quinapril not only lowered arterial pressure, but it had a distinct effect on regression of left ventricular hypertrophy and favorable effects on renal function.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of infrared and millimeter waves 21 (2000), S. 1517-1528 
    ISSN: 1572-9559
    Keywords: microstrip tapers ; matching networks ; anisotropic substrates ; microwave integrated circuits
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper deals with the design and application of nonuniform microstrip transmission lines on anisotropic substrates. A rigorous analysis is based on the use of Hertz vector potentials, moment method and transmission line theory to determine the dispersion characteristics of single and coupled tapered microstrip lines for accurate performance prediction. Results are presented for the main parameters providing the necessary information to design several devices on tapered microstrip, with variation on the strip width and dielectric height, for (M)MIC and antennas applications. A good agreement was observed with the results available in the literature for tapered lines on isotropic substrates.
    Type of Medium: Electronic Resource
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