Correlation between jugular and central venous pressures in laterally recumbent horses.
Abstract: To compare and correlate right atrial pressure, which represents central venous pressure (CVP) to jugular vein pressure (JVP) in laterally recumbent horses under anesthesia. Methods: Retrospective clinical trial. Methods: Seven adult healthy horses (411 ± 8.7 kg). Methods: Horses were sedated with IV xylazine and anesthesia was obtained with IV ketamine and diazepam. Anesthesia was maintained with sevoflurane in oxygen. All horses were positioned in left lateral recumbency. An 8F catheter introducer was inserted into the right jugular vein to measure JVP. An 8F catheter introducer was inserted into the left jugular vein to be used as the port for a 7F 110 cm catheter that reached the right atrium to measure CVP. Both, CVP and JVP were measured simultaneously with a water calibrated aneroid manometer using the sternum as the 0 cmH(2) O reference point. Measurements were compared using Spearman correlation and the Bland-Altman plot. Results: Twenty paired samples were obtained over a period of 2 hours. The CVP ranged from 7 to 31 cmH(2) O, while the JVP ranged from 5 to 30 cmH(2) O. The Spearman correlation coefficient indicated that CVP and JVP had a strong correlation with r = 0.88. The Bland-Altman plot showed a bias of 0.7 cmH(2) O. Conclusions: Jugular vein pressure showed a strong correlation with CVP in healthy, euvolemic, laterally recumbent anesthetized adult horses. Thus, JVP cannot replace CVP but it may be used clinically to monitor CVP in laterally recumbent horses.
© 2011 The Authors. Veterinary Anaesthesia and Analgesia. © 2011 Association of Veterinary Anaesthetists and the American College of Veterinary Anesthesiologists.
Publication Date: 2011-10-13 PubMed ID: 21988813DOI: 10.1111/j.1467-2995.2011.00667.xGoogle Scholar: Lookup
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- Comparative Study
- Journal Article
- Adult Horses
- Anesthesia
- Cardiovascular Health
- Clinical Pathology
- Clinical Study
- Clinical Symptoms
- Comparative Study
- Correlation Analysis
- Diagnosis
- Diagnostic Technique
- Disease Diagnosis
- Disease Treatment
- Equine Diseases
- Equine Health
- Hemodynamics
- Horses
- Physiology
- Retrospective Study
- Veterinary Medicine
- Veterinary Procedure
- Veterinary Research
Summary
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The research article outlines a study on the correlation between jugular vein pressure (JVP) and central venous pressure (CVP) in anesthetized horses placed in the lateral position.
Research Methodology
- The research is a retrospective clinical trial involving seven adult healthy horses averaging 411 ± 8.7 kg each.
- The horses were sedated with an intravenous mixture of xylazine, ketamine, and diazepam. Anesthesia was maintained using sevoflurane in an oxygen environment.
- The horses were all positioned in left lateral recumbency, that is, lain on their left side.
- An 8F catheter introducer was inserted into the right jugular vein to measure JVP, while another 8F catheter introducer was inserted into the left jugular vein, serving as a port for a 7F 110 cm catheter that reached the right atrium to measure CVP.
- CVP and JVP were measured simultaneously using a water-calibrated aneroid manometer, with the horse’s sternum used as the reference point.
- Spearman correlation test and Bland-Altman plot were used to compare and analyze the measurements.
Research Findings and Conclusion
- Twenty paired samples were collected over a period of two hours.
- The CVP values ranged from 7 to 31 cmH(2) O, while the JVP measurements were between 5 to 30 cmH(2) O.
- The statistical analysis using the Spearman correlation found an r-value (correlation coefficient) of 0.88, indicating a strong correlation between the CVP and JVP.
- The Bland-Altman plot showed a bias of 0.7 cmH(2) O.
- Based on the findings, it was concluded that while JVP cannot replace CVP, the strong correlation means it can be used to monitor the CVP in laterally recumbent, anesthetized adult horses.
In simple terms, this research suggests that measuring the pressure of the blood in the jugular vein is a reliable way to monitor the pressure of the blood in the central venous system—an important focal point in monitoring heart function—in anesthetized horses that are lying on their sides.
Cite This Article
APA
Tam K, Rezende M, Boscan P.
(2011).
Correlation between jugular and central venous pressures in laterally recumbent horses.
Vet Anaesth Analg, 38(6), 580-583.
https://doi.org/10.1111/j.1467-2995.2011.00667.x Publication
Researcher Affiliations
- Department of Clinical Sciences, Veterinary Teaching Hospital, Colorado State University, 300 W. Drake Road, Fort Collins, CO 80526, USA.
MeSH Terms
- Anesthesia, Inhalation / veterinary
- Animals
- Blood Pressure Determination / veterinary
- Central Venous Pressure
- Female
- Horses / physiology
- Jugular Veins / physiology
- Male
- Posture / physiology
- Retrospective Studies
- Venous Pressure
Citations
This article has been cited 1 times.- Trimmel NE, Podgoršak A, Oertel MF, Jucker S, Arras M, Schmid Daners M, Weisskopf M. The Sheep as a Comprehensive Animal Model to Investigate Interdependent Physiological Pressure Propagation and Multiparameter Influence on Cerebrospinal Fluid Dynamics. Front Neurosci 2022;16:868567.
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