Positive correlation between echocardiographic tricuspid E peak velocity and central venous pressure in dogs: A preliminary study.
Zahra Jafari-GivAli Reza VajhiSaeed Farzad-MohajeriMahdi HassankhaniShohreh Alian SamakkhahAmin HemmatiAlireza Mohammadzade-AkbariMohammadhossein NoroozzadeganPublished in: Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association (2024)
In the absence of vascular obstruction, central venous pressure (CVP) is a hydrostatic pressure in the cranial and caudal vena cava, providing valuable information about cardiac function and intravascular volume status. It is also a component in evaluating volume resuscitation in patients with septic shock and monitoring patients with right heart disease, pericardial disease, or volume depletion. Central venous pressure is calculated in dogs by invasive central venous catheterization, which is considered high-risk and impractical in critically ill patients. This study aimed to investigate the feasibility of using echocardiographic tricuspid E/E' as a noninvasive method to estimate CVP in anesthetized healthy dogs under controlled hypovolemic conditions. Ten male mixed-breed dogs were included in the study after a thorough health assessment. For hypovolemia induction, blood withdrawal was performed, and echocardiographic factors of the tricuspid valve, including peak E and E' velocities, were measured during CVP reduction. Repeated measures analysis of variance and Bonferroni post hoc tests were employed to compare the average difference between measured echocardiographic indices and CVP values derived from catheterization and intermittent measurement methods. Spearman's ρ correlation coefficient was used to evaluate the correlation between echocardiographic indices and CVP. E peak velocity had a significant negative correlation with venous blood pressure phases (r = -0.44, P = .001), indicating a decrease in peak E velocity with progressive CVP reduction. However, tricuspid valve E' peak velocity and E/E' did not correlate with CVP, suggesting that these parameters are not reliable for CVP estimation in dogs.
Keyphrases
- mitral valve
- aortic valve
- left atrial
- aortic stenosis
- left ventricular
- ejection fraction
- pulmonary hypertension
- septic shock
- blood pressure
- vena cava
- blood flow
- transcatheter aortic valve replacement
- public health
- healthcare
- cardiac arrest
- type diabetes
- multiple sclerosis
- health information
- coronary artery
- metabolic syndrome
- ultrasound guided
- social media
- atrial fibrillation
- climate change
- hypertensive patients
- insulin resistance
- skeletal muscle
- glycemic control
- weight loss