PETCO2 inversely affects MSNA response to orthostatic stress

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 281, Issue 3 50-3, 2001, Pages

  Shoemaker, J Kevin ^a   O'Leary, Debbie D ^b   Hughson, Richard L ^b  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

^b UNIVERSITY OF WATERLOO   (Canada)

Author keywords

Cardiac output; End tidal CO2; Head up tilt; Muscle sympathetic nerve activity; Total peripheral vascular resistance

Indexed keywords

ADULT; ARTERIAL CARBON DIOXIDE TENSION; ARTICLE; CARDIOVASCULAR RESPONSE; CHEMORECEPTOR REFLEX; CLINICAL ARTICLE; FEMALE; HEART OUTPUT; HUMAN; HYPERCAPNIA; MALE; MUSCLE STRETCHING; PRESSORECEPTOR REFLEX; PRIORITY JOURNAL; SYMPATHETIC NERVE; TIDAL VOLUME; VASCULAR RESISTANCE; VENOUS RETURN; ADRENERGIC SYSTEM; BLOOD PRESSURE; BODY POSTURE; BREATHING; CLINICAL TRIAL; ELECTROCARDIOGRAPHY; ELECTROPHYSIOLOGY; HEART RATE; HEART STROKE VOLUME; HYPOCAPNIA; INNERVATION; LUNG GAS EXCHANGE; LUNG RECEPTOR; PATHOPHYSIOLOGY; PERONEUS NERVE; SKELETAL MUSCLE; TILT TABLE TEST;

ADULT; BLOOD PRESSURE; ELECTROCARDIOGRAPHY; ELECTROPHYSIOLOGY; FEMALE; HEART RATE; HUMANS; HYPOCAPNIA; MALE; MUSCLE, SKELETAL; PERONEAL NERVE; POSTURE; PULMONARY GAS EXCHANGE; PULMONARY STRETCH RECEPTORS; RESPIRATION; STROKE VOLUME; SYMPATHETIC NERVOUS SYSTEM; TIDAL VOLUME; TILT-TABLE TEST; VASCULAR RESISTANCE;

EID: 0034835381     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.2001.281.3.h1040     Document Type: Article

References (36)

1. Reflex control of the systemic venous bed
2. Two populations of sympathetic neurons project selectively to mesenteric artery or vein
3. Postural effects on muscle nerve sympathetic activity in man
4. Human responses to upright tilt: A window on central autonomic integration
5. Systemic hemodynamics affecting cardiac output during hypocapnic and hypercapnic hypoxia
6. Manoeuvres affecting sympathetic outflow in human muscle nerves
7. Abdominal vascular responses to changes in carbon dioxide tension in the cephalic circulation of anaesthetized dogs
8. Responses of abdominal vascular capacitance in the anaesthetized dog to changes in carotid sinus pressure
9. 2 chemoreflexes and arterial baroreflexes
10. Regional venous outflow, blood volume, and sympathetic nerve activity during hypercapnia and hypoxic hypercapnia
11. Comparison of the frequency dependence of venous and arterial responses to sympathetic nerve stimulation in guinea-pigs
12. Human splanchnic and forearm vasoconstrictor responses to reductions in right atrial and aortic pressure
13. 2 in exercise
14. Heart rate spectral analysis, cardiac norepinephrine spillover, and muscle sympathetic nerve activity during human sympathetic nervous activation and failure
15. Aortic baroreceptors play a predominant role in the regulation of hindlimb vascular resistance in rats
16. Respiratory regulation of splanchnic and systemic venous return
17. Autoregulation of cerebral blood flow in orthostatic hypotension
18. Hypocapnia and cerebral hypoperfusion in orthostatic intolerance
19. Direct vasodilator effect of hyperventilation-induced hypocarbia in autonomic failure patients
20. Circulatory responses to graded stimulation of the carotid chemoreceptors in the dog
21. A fast gas-mixing system for breath-to-breath respiratory control studies
22. Vascular capacitance responses to severe hypercapnia and hypoxia in dogs
23. Influence of lung volume on sympathetic nerve discharge in normal humans
24. Ventilatory response to passive head-up tilt
25. Cerebral vasoconstriction precedes orthostatic intolerance after parabolic flight
26. Interaction of baroreceptor and chemoreceptor reflex control of sympathetic nerve activity in normal humans
27. Contrasting effects of hypoxia and hypercapnia on ventilation and sympathetic activity in humans
28. Influence of ventilation and hypocapnia on sympathetic nerve responses to hypoxia in normal humans
29. Role of respiratory motor output in within-breath modulation of muscle sympathetic nerve activity in humans
30. Contribution of carotid chemoreceptors to mesenteric venoconstriction during acute hypercapnin in rabbits
31. Modulation of human sympathetic periodicity by mild, brief hypoxia and hypercapnia
32. Somatosensory, proprioceptive, and sympathetic activity in human peripheral nerves
33. Acute respiratory acidosis descreases left ventricular contractility but increases cardiac output in dogs
34. Tromethamine buffer modifies the depressant effect of permissive hypercapnia on myocardial contractility in patients with acute respiratory distress syndrome
35. CO2 during rest and exercise in older subjects