Principles of Invasive Monitoring

Hertzig, Jeremy S.; Evans, Jacqueline M.; Schenkman, Kenneth A.

doi:10.1016/b978-0-323-07307-3.10021-7

Cited by 3 publications

(3 citation statements)

References 55 publications

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“…Systolic and diastolic blood pressure can be measured by auscultation method or oscillation method. The MAP can be estimated with the empirical equation ( Hertzig et al, 2011 ):…”

Section: The Relationship Between Map and Cardiac Output (Co)mentioning

confidence: 99%

SBP Is Superior to MAP to Reflect Tissue Perfusion and Hemodynamic Abnormality Perioperatively

Sun

Yuan

2021

Front. Physiol.

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Many articles have reported that intraoperative low mean artery pressure (MAP) or low systolic blood pressure (SBP) impacts on organs’ function and patients’ outcomes perioperatively. On the contrary, what type of blood pressure should be obtained still needs to be clarified. In our paper, we compared the influencing factors of MAP and SBP, and mathematical formula, arterial pulse contour calculation, and cardiovascular physiological knowledge were adopted to discuss how blood pressure can effectively reflect tissue perfusion and hemodynamic abnormality perioperatively. We concluded that MAP can reflect cardiac output change sensitively and SBP can reflect stroke volume change sensitively. Moreover, SBP can reflect the early hemodynamic changes, organs’ perfusion, and heart systolic function. Compared with MAP, perioperative monitoring of SBP and timely detection and treatment of abnormal SBP are very important for the early detection of hemodynamic abnormalities.

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“…Systolic and diastolic blood pressure can be measured by auscultation method or oscillation method. The MAP can be estimated with the empirical equation ( Hertzig et al, 2011 ):…”

Section: The Relationship Between Map and Cardiac Output (Co)mentioning

confidence: 99%

SBP Is Superior to MAP to Reflect Tissue Perfusion and Hemodynamic Abnormality Perioperatively

Sun

Yuan

2021

Front. Physiol.

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“…As a result, the tricuspid valve facilitates unimpeded communication between the right atrium and ventricle, ensuring that right atrial pressure accurately reflects right ventricular end-diastolic pressure. 6 In the absence of any obstruction in the vena cava, CVP corresponds to both RAP and right ventricular end-diastolic pressure. It represents the pressure exerted during the filling phase of the right side of the heart.…”

Section: Introductionmentioning

confidence: 99%

“…During diastole, when the tricuspid valve remains open, there is a seamless connection between the right atrium and the RV. As a result, the tricuspid valve facilitates unimpeded communication between the right atrium and ventricle, ensuring that right atrial pressure accurately reflects right ventricular end‐diastolic pressure 6 . In the absence of any obstruction in the vena cava, CVP corresponds to both RAP and right ventricular end‐diastolic pressure.…”

Section: Introductionmentioning

confidence: 99%

Positive correlation between echocardiographic tricuspid E peak velocity and central venous pressure in dogs: A preliminary study

Jafari‐Giv,

Vajhi,

Farzad‐Mohajeri

et al. 2024

Vet Radiology Ultrasound

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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.

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A Comparative Study of Invasive Modalities for Evaluation of Pulmonary Arteriovenous Fistula after Bidirectional Glenn Shunt

et al. 2021

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Principles of Invasive Monitoring

Cited by 3 publications

References 55 publications

SBP Is Superior to MAP to Reflect Tissue Perfusion and Hemodynamic Abnormality Perioperatively

SBP Is Superior to MAP to Reflect Tissue Perfusion and Hemodynamic Abnormality Perioperatively

Positive correlation between echocardiographic tricuspid E peak velocity and central venous pressure in dogs: A preliminary study

A Comparative Study of Invasive Modalities for Evaluation of Pulmonary Arteriovenous Fistula after Bidirectional Glenn Shunt

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