Changes in the transthoracic impedance signal predict the outcome of a 70° head-up tilt test

Clinical Science

Volumn 104, Issue 2, 2003, Pages 119-126

  Bellard, Elisabeth ^a   Fortrat, Jacques Olivier ^a   Schang, Daniel ^b   Dupuis, Jean Marc ^c   Victor, Jacques ^c   Lefthériotis, Georges ^a  

^a Universite d'Angers   (France)

^b Ecole Superieure d'Electronique de l'Ouest   (France)

^c ANGERS UNIVERSITY HOSPITAL   (France)

Author keywords

Predictive indexes; Syncope; Transthoracic impedance

Indexed keywords

ADULT; AGED; ARTERIAL PRESSURE; ARTICLE; DIASTOLIC BLOOD PRESSURE; FEMALE; HEAD POSITION; HEART LEFT VENTRICLE EJECTION TIME; HEART PREEJECTION PERIOD; HEART RATE; HEMODYNAMICS; HUMAN; IMPEDANCE; MAJOR CLINICAL STUDY; MALE; PRIORITY JOURNAL; PULSE PRESSURE; SUPINE POSITION; SYNCOPE; SYSTOLIC BLOOD PRESSURE; TILT TABLE TEST; TRANSTHORACIC ECHOCARDIOGRAPHY;

ADOLESCENT; ADULT; AGED; CARDIOGRAPHY, IMPEDANCE; FEMALE; HEMODYNAMIC PROCESSES; HUMANS; MALE; MIDDLE AGED; POSTURE; PREDICTIVE VALUE OF TESTS; RECURRENCE; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; SUPINE POSITION; SYNCOPE, VASOVAGAL; TILT-TABLE TEST;

EID: 0037329902     PISSN: 01435221     EISSN: None     Source Type: Journal    
DOI: 10.1042/CS20020169     Document Type: Article

References (36)

1. Mathias, C. J., Deguchi, K. and Schatz, I. (2001) Observation on recurrent syncope and presyncope in 641 patients. Lancet 357, 348-353
2. Benditt, D. G., Ferguson, D. W., Grubb, B. P. et al. (1996) Tilt table testing for assessing syncope. J. Am. Coll. Cardiol. 28, 263-275
3. Abboud, F. M. (1993) Neurocardiogenic syncope. N. Engl. J. Med. 328, 1117-1120
4. Bellard, E., Fortrat, J. O., Vielle, B., Dupuis, J. M., Victor, J. and Lefthériotis, G. (2001) Early predictive indexes of head-up tilt table testing outcomes utilizing heart rate and arterial pressures changes. Am. J. Cardiol. 88, 903-906
5. Alvarez, J. B., Asensio, E., Lozano, J. E., Alvarez, M. and Portos, J. M. (2000) Early heart rate variations during head-up tilt table testing as a predictor of outcome of the test. Pacing Clin. Electrophysiol. 23, 26-31
6. Mallat, Z., Vicaut, E., Sangaré, A., Vershueren, J., Fontaine, G. and Frank, R. (1997) Prediction of head-up tilt test of early heart rate variations. Circulation 96, 581-584
7. Novak, V., Honos, G. and Schondorf, R. (1996) Is the heart "empty" at syncope? J. Auton. Nerv. Syst. 60, 83-92
8. Shen, W. K., Low, P. A., Rea, R. F., Lohse, C. M., Hodge, M. S. and Hammill, S. C. (2000) Distinct hemodynamic profiles in patients with vasovagal syncope: a heterogeneous population. J. Am. Coll. Cardiol. 35, 1470-1477
9. Bertinieri, G., di Rienzo, M., Cavallazzi, A., Ferrari, A. U., Pedotti, A. and Mancia, G. (1985) A new approach to analysis of the arterial baroreflex. J. Hypertens. Suppl. 3, S79-S81
10. Leffler, C. T., Saul, J. P. and Cohen, R. J. (1994) Rate-related and autonomic effects on atrioventricular conduction assessed through beat-to-beat PR interval and cycle length variability. J. Cardiovasc. Electrophysiol. 5, 2-15
11. Spodick, D., Doi, Y. L., Bishop, R. L. and Hashimoto, T. (1984) Systolic time intervals reconsidered. Reevaluation of the pre-ejection period: absence of relation to heart rate. Am. J. Cardiol. 53, 1667-1670
12. Charloux, A., Lonsdorfer-Wolf, E., Richard, R. et al. (2000) A new impedance cardiograph device for the non-invasive evaluation of cardiac output at rest and during exercise: comparison with the "direct" Fick method. Eur. J. Appl. Physiol. 82, 313-320
13. Buell, J. C. (1998) A practical, cost-effective, noninvasive system for cardiac output and hemodynamic analysis. Am. Heart J. 116, 657-664
14. Schieken, R. M., Patel, M. R., Falsetti, H. L., Barnes, R. W. and Lauer, R. M. (1978) Effect of aortic valvular regurgitation upon the impedance cardiogram. Br. Heart J. 40, 958-963
15. Mehlsen, J., Bonde, J., Stadeager, C., Rehling, M., Tango, M. and Trap-Jensen, J. (1991) Reliability of impedance cardiography in measuring central haemodynamics. Clin. Physiol. 11, 579-588
16. Newman, D. G. and Callister, R. (1999) The non-invaslve assessment of stroke volume and cardiac output by impedance cardiography: a review. Aviat. Space Environ. Med. 70, 780-789
17. Hanley, J. A. and McNeil, B. J. (1982) The meaning and use of the area under receiver operating characteristic (ROC) curve. Radiology 143, 29-36
18. Balasubramanian, V., Mathew, O. P., Behl, A., Tewari, S. C. and Hoon, R. S. (1978) Electrical impedance cardiogram in derivation of systolic time intervals. Br. Heart J. 40, 268-275
19. Yamanouchi, Y., Jaalouk, S., Shehadeh, A. A., Jaeger, F., Goren, H. and Fouad-Tarazi, F. M. (1996) Changes in left ventricular volume during head-up tilt in patients with vasovagal syncope: an echocardiographic study. Am. Heart J. 131, 73-80
20. Leonelli, F. M., Wang, K., Evans, J. M. et al. (2000) False positive head-up tilt: Hemodynamic and neurohumoral profile. J. Am. Coll. Cardiol. 35, 188-193
21. Liu, J. E., Hahn, R. T., Stein, K. M. et al. (2000) Left ventricular geometry and function preceding neurally mediated syncope. Circulation 101, 777-783
22. Watenpaugh, D. E., Ballard, R. E., Breit, G. A., Bernauer, E. M., Blomqvist, C. G. and Hargens, A. R. (1995) Calf venous compliance measured with head-up tilt equals supine calf compliance. J. Gravit. Physiol. 2, 21-22
23. Bloch, K. E., Jugoon, S. and Sackner, M. A. (1994) Thoracocardiographic-derived left ventricular systolic time intervals. Chest 106, 1668-1674
24. Ovadia, M., Gear, K., Thoele, D. and Marcus, F. (1995) Accelerometer systolic time intervals as fast-response sensors of upright posture in the young. Circulation 92, 1849-1859
25. Kiowsky, W. and Julius, S. (1978) Renin response to stimulation of cardiopulmonary mechanoreceptors in man. J. Clin. Invest. 62, 656-663
26. Mosqueda-Garcia, R., Furlan, R., Tank, J. and Fernandez-Violante, R. (2000) The elusive pathophysiology of neurally mediated syncope. Circulation 102, 2898-2906
27. Shalev, Y., Gal, R., Tchou, P. J. et al. (1991) Echocardiographic demonstration of decreased left ventricular dimensions and vigorous myocardial contraction during syncope induced by head-up tilt. J. Am. Coll. Cardiol. 18, 746-751
28. Brignole, M., Menozzi, C., Corbucci, G., Garberoglio, B. and Plicchi, G. (1997) Detecting incipient vasovagal syncope: intraventricular acceleration. Pacing Clin. Electrophysiol. 20, 801-805
29. Lababidi, Z., Ehmke, D. A., Durnin, R. E., Leaverton, P. E. and Lauer, R. M. (1970) The first derivative thoracic impedance cardiogram. Circulation 41, 651-658
30. Levick, J. R. (2000) Haemodynamics: pressure, flow and resistance. In An Introduction to Cardiovascular Physiology (Levick, J. R., ed.), 3rd edn, pp. 118-147, Arnold Publications, London
31. Chen, C. H., Hu, H. H., Lin, Y. P., Chern, C. M., Hsu, T. L. and Ding, P. Y. (2000) Increased arterial wave reflection may predispose syncopal attacks. Clin. Cardiol. 23, 825-830
32. Lénárd, Z., Studinger, P., Kováts, Z., Reneman, R. and Kollai, M. (2001) Comparison of aortic arch and carotid sinus distensibility in humans: relation to baroreflex sensitivity. Auton. Neurosci. Basic Clin. 92, 92-99
33. Wodey, E., Senhadji, L., Bansard, J. Y., Beneux, X., Ecoffey, C. and Carre, F. (2001) Impedance cardiographic waveforms in children: involvement in left ventricular ejection time determination during anesthesia. Pediatr. Crit. Care Med. 2, 250-259
34. Fahrenberg, J., Foerster, F. and Muller, W. (1997) Non-invasive estimations of ventricular ejection time and stroke volume: comparison of impedance cardiography and the Portapres 2. J. Med. Eng. Technol. 21, 15-22
35. Mehlsen, J., Bonde, J., Rehling, M., Tango, M. and Trap-Jensen, J. (1990) A comparison of systolic time intervals measured by impedance cardiography and carotid pulse tracing. Dan. Med. Bull. 37, 93-95
36. Mehlsen, J., Haedersdal, C. and Trap-Jensen, J. (1991) Central haemodynamics in patients with severe postural hypotension. Clin. Physiol. 11, 589-601