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Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
Practical approaches to treating patients with acute decompensated heart failure
1Division of Cardiology 111-A, Department of Medicine, San Diego VA Healthcare System, 3350 La Jolla Village Dr, San Diego, CA 92161, USA.
Insights
A simple blood test using B-type natriuretic peptide (BNP) can aid in diagnosing and managing congestive heart failure. Serial testing of BNP in urgent care and hospitals can improve patient outcomes and reduce healthcare costs.
Area of Science:
- Cardiology
- Biochemistry
- Medical Diagnostics
Background:
- Congestive heart failure (CHF) diagnosis and management present significant healthcare costs.
- A simple, non-invasive diagnostic tool for CHF is highly desirable.
- B-type natriuretic peptide (BNP) is a cardiac hormone linked to ventricular pressure and CHF severity.
Purpose of the Study:
- To evaluate the utility of B-type natriuretic peptide (BNP) testing in diagnosing and managing congestive heart failure.
- To explore the role of BNP in various clinical settings, including urgent care, inpatient, and outpatient settings.
Main Methods:
- Review of existing data on BNP levels in patients with suspected or confirmed heart failure.
- Analysis of BNP's correlation with clinical parameters like dyspnea and left ventricular function.
- Assessment of BNP's impact on diagnostic strategies and treatment decisions.
Main Results:
- Serial point-of-care BNP testing is beneficial for patients with dyspnea in urgent care.
- Low BNP levels effectively rule out left ventricular dysfunction, potentially reducing the need for echocardiography.
- BNP aids in managing decompensated heart failure, potentially obviating invasive monitoring and tailoring treatment.
Conclusions:
- BNP serves as a valuable biomarker for diagnosing and managing congestive heart failure across different clinical scenarios.
- BNP testing can optimize patient care, reduce healthcare costs, and improve treatment titration in both acute and chronic heart failure management.
Abstract:
Finding a simple blood test to aid in the diagnosis and treatment of patients with congestive heart failure would have a favorable impact on the costs associated with the disease. B-type natriuretic peptide (BNP) is synthesized in the cardiac ventricles and correlates with left ventricular pressure, amount of dyspnea, and the state of neurohormonal modulation, making this peptide the first potential "white count" for heart failure. Data indicate that serial point-of-care testing of BNP should be helpful in patients presenting to urgent care clinics with dyspnea. BNP might serve as a screen for patients referred for echocardiography. A low BNP level makes echocardiographic indices of left ventricular dysfunction (both systolic and diastolic) highly unlikely. BNP may also be effective in improving in-hospital management of patients admitted with decompensated congestive heart failure. In some cases BNP levels may obviate the need for invasive hemodynamic monitoring and, when such monitoring is used, may help tailor treatment of decompensated patients. Finally, the role of BNP in outpatient cardiac or primary care clinics may be important in the titration of therapies and assessment of the state of neurohormonal compensation of patients.
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