An analysis of impedance cardiography in the elderly

References

• Kubicek W. G., Kotte F. J., Ramos M. U., Patterson R. P., Witsoe D. A., Labree J. W., Remole W., Layman T. E., Schoening H., Garamela J. T. The Minnesota impedance cardiography theory and applications. Biomedical Engineering 1974; 9: 410–416
   PubMedGoogle Scholar
• Baker L. E. IEE Medical Electronics Monographs 1–6, B. W. Watson. Peter Peregrinus, Stevenage 1971
   Google Scholar
• Cooky W. L. The calculation of cardiac stroke volume from variations in transthoracic electrical impedance. Biomedical Engineering 1972; 7: 316–319
   PubMedGoogle Scholar
• Juett D. A. Impedence pneumography and plethysmography. British Journal of Clinical Equipment 1977; 1: 69–73
   Google Scholar
• Boer P., Roos J. C., Geyskes G. G., Dorhout Mees E. J. Measurement of cardiac output by impedance cardiography under various conditions. American Journal of Physiology 1979; 237: H491–H496
   PubMed Web of Science ®Google Scholar
• Harley A., Greenfield J. C. Determination of cardiac output in man by means of impedance plethysmography. Aerospace Medicine 1968; 39: 248–252
   PubMedGoogle Scholar
• Gabriel S., Atterhog J. H., Oro L., Ekulenud L. G. Measurement of cardiac output by impedance cardiography in patients with myocardial infarction. Comparative evaluation of impedance and dye dilution methods. Scandinavian Journal of Clinical Laboraiory Investigation 1976; 36: 29–34
   PubMedGoogle Scholar
• Naggar C. Z., Dobnik D. B., Fressas A. P., Kripke B. J., Thomas T. J. Accuracy of the stroke index as determined by the transthoracic electrical impedance method. Anaesthesiology 1975; 42: 201–205
   PubMedGoogle Scholar
• Miller J. C., Horvath S. M. Methodology: Impedance cardiography. Psychophysiology 1978; 15: 80–91
   PubMed Web of Science ®Google Scholar
• Edge J. R., Millard F. J. C., Reid L., Simon G. The radiographic appearance of the chest in persons of advanced age. British Journal of Radiology 1964; 37: 769–774
   PubMed Web of Science ®Google Scholar
• Pierce J. A., Ebert R. V. Fibrous network of the lung and its change with age. Thorax 1965; 20: 469–475
   Web of Science ®Google Scholar
• Knudson R. J., Clark D. F., Kennedy T. C., Knudson D. E. Effect of aging alone on the mechanical properties of the adult human lung. Journal of Applied Physiology: Respiratory, Environmental Exercise Physiology 1977; 43: 1054–1062
   PubMed Web of Science ®Google Scholar
• Bramwell J. C. Arterial elasticity in man. Quarterly Journal of Medicine 1924; 17: 225–243
   Google Scholar
• Denniston J. C., Maher J. T., Reeves J. T., Cruz J. C., Cymerman A., Grover R. F. Measurement of cardiac output by electrical impedance at rest and during exercise. Journal of Applied Physiology 1976; 40: 91–95
   PubMed Web of Science ®Google Scholar
• Williams B. O., Caird F. I. Impedance cardiography and cardiac output in the elderly. Age and Ageing 1980; 9: 41–52
   Google Scholar
• Hill R. V., Jansen J. C., Fling J. L. Electrical impedance plethysmography: a critical analysis. Journal of Applied Physiology 1967; 22: 161–168
   PubMedGoogle Scholar
• Vargas E., Lye M. The assessment of autonomic function in the elderly. Age and Ageing 1980; 9: 210–214
   PubMedGoogle Scholar
• Keim H. J., Wallace J. M., Thurston H., Case D. B., Drayer J. I. M., Laragh J. H. Impedance cardiography for determinations of stroke index. Journal of Applied Physiology 1976; 41: 797–799
   PubMed Web of Science ®Google Scholar
• Smith J. J., Bush J. E., Wiedmeier V. T., Tristani F. E. Applications of impedance cardiography to study of postural stress. Journal of Applied Physiology 1970; 29: 133–137
   PubMedGoogle Scholar
• Thangarajah N., Hames T., Mubako H., Patel J., MacLennan W. J. The use of impedance cardiography in the young and elderly during postural stress. Age and Ageing 1980; 9: 235–240
   PubMedGoogle Scholar
• Lennox I. M., Williams B. O. Postural hypotension in the elderly. Journal of Clinical Experimental Gerontology 1980; 2(4)313–329
   Google Scholar
• Bailey N. T.J. Statistical methods in biology. E.U.P., London 1959
   Google Scholar
• Winer B. J. “Statistical principles in experimental design”, 2nd edition. McGraw Hill Book Co., New York, London 1971
   Google Scholar
• Williamson J., Milne J. S. “Textbook of Geriatric Medicine and Gerontology” 2nd edition, J. C. Brocklehurst. Churchill Livingstone, Edinburgh 1973
   Google Scholar
• Kalbfleisch J. H., Stowe D. F., Smith J. J. Evaluation of the heart rate response to the Valsalva manoeuvre. American Heart Journal 1978; 95(6)707–115
   PubMedGoogle Scholar
• Guyton A. C., Coleman T. G., Granger H. J. Circulation: Overall regulation. Annual Review of Physiology 1972; 34: 13–46
   PubMed Web of Science ®Google Scholar
• Sanchez-Zambrano S., Spodick D. H. Comparative responses to orthostatic stress in normal and abnormal subjects. Evaluation by impedance cardiography. Chest 1974; 65: 394–396
   PubMedGoogle Scholar