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Relationship between venous and arterial haemodynamics during postural changes in venous insufficiency

Daniel Duprez (UGent) , Marc De Buyzere (UGent) , Caren Randon (UGent) , M Dad and Denis Clement
(1994) PHLEBOLOGY. 9(2). p.77-82
Author
Organization
Abstract
Objective: To study the changes in central haemodynamics and the relationship between arterial blood pressure and the venous dynamics of the lower limbs in patients with venous insufficiency. Design: Prospective haemodynamic study during postural changes in 14 patients with venous insufficiency with no other concomitant cardiovascular disease or disturbances in autonomic nervous system. Setting: Department of Cardiology and Angiology, University Hospital, Gent, Belgium. Patients: Fourteen patients with venous valve insufficiency in the lower limbs. Interventions: Measurements of arterial blood pressure, heart rate, stroke volume and cardiac output were performed in the supine position after 30 min rest and 5, 15 and 30 min after standing and during the recovery. Venous pressure at the ankle and calf circumference were also measured. Main outcome measures: Changes in cardiac output and total peripheral vascular resistance in order to maintain blood pressure during postural changes. Results: Arterial blood pressure was maintained constant owing to an increase in total peripheral vascular resistance despite a decrease in cardiac output. Venous pressure is also related to arterial blood pressure. Conclusions: The arterial and venous systems, even in venous insufficiency, are integrated to maintain blood pressure constant during postural changes.
Keywords
VENOUS PRESSURE, VENOUS SYSTEM, VENOUS INSUFFICIENCY, POSTURAL CHANGES, CENTRAL HEMODYNAMICS

Citation

Please use this url to cite or link to this publication:

MLA
Duprez, Daniel, Marc De Buyzere, Caren Randon, et al. “Relationship Between Venous and Arterial Haemodynamics During Postural Changes in Venous Insufficiency.” PHLEBOLOGY 9.2 (1994): 77–82. Print.
APA
Duprez, Daniel, De Buyzere, M., Randon, C., Dad, M., & Clement, D. (1994). Relationship between venous and arterial haemodynamics during postural changes in venous insufficiency. PHLEBOLOGY, 9(2), 77–82.
Chicago author-date
Duprez, Daniel, Marc De Buyzere, Caren Randon, M Dad, and Denis Clement. 1994. “Relationship Between Venous and Arterial Haemodynamics During Postural Changes in Venous Insufficiency.” Phlebology 9 (2): 77–82.
Chicago author-date (all authors)
Duprez, Daniel, Marc De Buyzere, Caren Randon, M Dad, and Denis Clement. 1994. “Relationship Between Venous and Arterial Haemodynamics During Postural Changes in Venous Insufficiency.” Phlebology 9 (2): 77–82.
Vancouver
1.
Duprez D, De Buyzere M, Randon C, Dad M, Clement D. Relationship between venous and arterial haemodynamics during postural changes in venous insufficiency. PHLEBOLOGY. 1994;9(2):77–82.
IEEE
[1]
D. Duprez, M. De Buyzere, C. Randon, M. Dad, and D. Clement, “Relationship between venous and arterial haemodynamics during postural changes in venous insufficiency,” PHLEBOLOGY, vol. 9, no. 2, pp. 77–82, 1994.
@article{198531,
  abstract     = {Objective: To study the changes in central haemodynamics and the relationship between arterial blood pressure and the venous dynamics of the lower limbs in patients with venous insufficiency. 
Design: Prospective haemodynamic study during postural changes in 14 patients with venous insufficiency with no other concomitant cardiovascular disease or disturbances in autonomic nervous system. 
Setting: Department of Cardiology and Angiology, University Hospital, Gent, Belgium. 
Patients: Fourteen patients with venous valve insufficiency in the lower limbs. 
Interventions: Measurements of arterial blood pressure, heart rate, stroke volume and cardiac output were performed in the supine position after 30 min rest and 5, 15 and 30 min after standing and during the recovery. Venous pressure at the ankle and calf circumference were also measured. 
Main outcome measures: Changes in cardiac output and total peripheral vascular resistance in order to maintain blood pressure during postural changes. 
Results: Arterial blood pressure was maintained constant owing to an increase in total peripheral vascular resistance despite a decrease in cardiac output. Venous pressure is also related to arterial blood pressure. 
Conclusions: The arterial and venous systems, even in venous insufficiency, are integrated to maintain blood pressure constant during postural changes.},
  author       = {Duprez, Daniel and De Buyzere, Marc and Randon, Caren and Dad, M and Clement, Denis},
  issn         = {0268-3555},
  journal      = {PHLEBOLOGY},
  keywords     = {VENOUS PRESSURE,VENOUS SYSTEM,VENOUS INSUFFICIENCY,POSTURAL CHANGES,CENTRAL HEMODYNAMICS},
  language     = {eng},
  number       = {2},
  pages        = {77--82},
  title        = {Relationship between venous and arterial haemodynamics during postural changes in venous insufficiency},
  url          = {http://dx.doi.org/10.1177/026835559400900208},
  volume       = {9},
  year         = {1994},
}

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