Mechanisms of hypotensive effects of a posture change from seated to supine in humans

Acta Physiologica Scandinavica

Volumn 171, Issue 4, 2001, Pages 405-412

  Pump, B ^a   Kamo, T ^b   Gabrielsen, A ^b   Norsk, P ^a  

^a Rigshospitalet   (Denmark)

^b NONE

Author keywords

Atrium; Baroreceptors; Blood pressure; Immersion; Peripheral vascular resistance; Posture; Supine position

Indexed keywords

ADULT; ARTICLE; BLOOD PRESSURE; CAROTID SINUS; COMPARATIVE STUDY; HEART ATRIUM FUNCTION; HEART OUTPUT; HEART RATE; HUMAN; MALE; ORTHOSTATIC HYPOTENSION; PHYSIOLOGY; PRESSORECEPTOR; SUPINE POSITION;

ADULT; ATRIAL FUNCTION, LEFT; BLOOD PRESSURE; CARDIAC OUTPUT; CAROTID SINUS; HEART RATE; HUMANS; HYPOTENSION, ORTHOSTATIC; MALE; PRESSORECEPTORS; SUPINE POSITION;

EID: 0035318954     PISSN: 00016772     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-201X.2001.00804.x     Document Type: Article

References (28)

1. Angell James, J.E. 1971. The effects of changes of extramural, "intrathoracic", pressure on aortic arch baroreceptors. J Physiol 214, 89-103.
2. Bonde-Petersen, F., Rowell, L.B., Murray, R.G. et al. 1978. Role of cardiac output in the pressure responses to graded muscle ischemia in man. J Appl Physiology 45, 574-580.
3. Chapleau, M.W., Hajduczok, G. & Abboud, F.M. 1989. Peripheral and central mechanisms of baroreflex resetting. Clin Exp Pharmacol Physiol 15(Suppl.), 31-43.
4. Clemensen, P., Christensen, P., Norsk, P. & Grønlund, J. 1994. A modified photo- and magnetoacoustic multigas analyzer applied in gas exchange measurements. J Appl Physiology 76, 2832-2839.
5. Cui, J., Mukai, C., Iwase, S. et al. 1997. Response to vestibular stimulation of sympathetic outflow to muscle in humans. J Aut Nerv Syst 66, 154-162.
6. Eckberg, D.L. 1977. Adaptation of the human carotid baroreceptor-cardiac reflex. J Physiol (London) 269, 579-589.
7. Eckberg, D.L. & Sleight, P. 1992. History, reflex interactions. In: Human Baroreflexes in Health and Disease, pp. 13-15, 153-215. Clarendon Press, Oxford.
8. Epstein, M. 1992. Renal effects of head-out water immersion in humans: a 15-year update. Physiol Rev 72, 563-621.
9. Feigenbaum, H. 1994. Echocardiographic evaluation of cardiac chambers. In: Echocardiography, 5th edn. pp. 134-180. Lea & Febiger, Philadelphia, PA.
10. Gabrielsen, A., Johansen, L.B. & Norsk, P. 1993. Central cardiovascular pressures during graded water immersion in humans. J Appl Physiol 75, 581-585.
11. Hakumäki, M.O.K., Wang, B.C., Sundet, W.D. & Goetz, K.L. 1985. Aortic baroreceptor discharge during nonhypotensive hemorrhage in anesthetized dogs. Am J Physiol 249, H393-H403.
12. James, J.E.A. 1971. The effects of changes of extramural, intrathoracic pressure on aortic arch baroreceptors. J Physiol 214, 89-103.
13. Johnson, J.M., Rowell, L., Niederberger, M. & Eisman, M.M. 1974. Human splanchnic and forearm vasoconstrictor responses to reductions of right atrial and aortic pressures. Circ Research 34, 515-524.
14. Lacolley, P.J., Pannier, B.M., Slama, M.A. et al. 1992. Carotid arterial hemodynamics after mild degrees of lower body negative pressure in man. Clin Sci 83(5), 535-540.
15. Larsen, A.S., Johansen, L.B., Stadeager, C., Warberg, J., Christensen, N.J. & Norsk, P. 1994. Volume-homeostatic mechanisms in humans during graded water immersion. J Appl Physiol 77, 2832-2839.
16. Mead, J. & Gaensler, E.A. 1959. Esophageal and pleural pressures in man, upright and supine. J Appl Phjsiol 14, 81-83.
17. Mendelowitz, D. & Scher, A.M. 1988. Pulsatile sinus pressure changes evoke sustained baroreflex responses in awake dogs. Am J Physiol 24, H673-H678.
18. Norsk, P., Bonde-Petersen, F. & Warberg, J. 1986. Arginine vasopressin, circulation, and kidney during graded water immersion in humans. J Appl Physiol 61, 565-574.
19. Norsk, P., Ellegaard, P., Videbæk, R. et al. 1993. Arterial pulse pressure and vasopressin release in humans during lower body negative pressure. Am J Physiol 264, R1024-R1030.
20. Pump, B., Christensen, N.J., Videbæk, R., Warberg, J., Hendriksen, O. & Norsk, P. 1997. Left atrial distension and antiorthostatic decrease in arterial pressure and heart rate in humans. Am J Physiology 273, H2632-H2638.
21. Pump, B., Gabrielsen, A., Christensen, N.J., Bie, P., Bestle, M. & Norsk, P. 1999a. Mechanisms of inhibition of vasopressin release during moderate antiorthostatic posture change in humans. Am J Physiol 277, R229-R235.
22. Pump, B., Schou, M., Gabrielsen, A. & Norsk, P. 1999b. Contribution of leg vasculature to hypotensive effects of an antiorthostatic posture change in humans. J Physiol (London) 519, 623-628.
23. Radtke, A., Popov, K., Bronstein, A.M. & Gresty, M.A. 2000. Evidence for a vestibulo-cardiac reflex in man. Lancet 356, 736-737.
24. Ray, C.A., Hume, K.M. & Shortt, T.L. 1997. Skin sympathetic outflow during head-down neck flexion in humans. Am J Physiol 273(42), R1142-R1146.
25. Risch, W.D., Koubenec, H.-J., Beckmann, U., Lange, S. & Gauer, O.H. 1978. The effect of graded immersion on heart volume, central venous pressure, pulmonary blood distribution, and heart rate in man. Pflügers Arch 374, 115-118.
26. Rowell, L.B. 1993. Reflex control during orthostasis. In. Human Cardiovascular Control, Chap. 2, pp. 62-64. Oxford University Press, New York.
27. Taylor, J.A., Halliwill, J.R., Brown, T.E., Hayano, J. & Eckberg, D.E. 1995. Non-hypotensive hypovolemia reduces ascending aortic dimensions in humans. J Physiol 483(1), 289-298.
28. Videbaek, R. & Norsk, P. 1997. Atrial distension in humans during microgravity induced by parabolic flights. J Appl Physiol 83, 1862-1866.