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Congestive heart failure in Indians: how do we improve diagnosis & management?
1Department of Cardiology, Postgraduate Institute of Medical Education & Research, Chandigarh, India.
Insights
Heart failure affects younger individuals in India, unlike in Western nations. Early diagnosis and management, including medications and device therapies, improve survival and symptoms.
Area of Science:
- Cardiology
- Internal Medicine
Background:
- Heart failure is a prevalent cardiovascular disease with significant morbidity and mortality.
- In India, heart failure disproportionately affects a younger demographic compared to Western countries.
- Key risk factors include coronary artery disease, hypertension, diabetes mellitus, valvular heart disease, and cardiomyopathies.
Purpose of the Study:
- To provide a comprehensive overview of heart failure management.
- To highlight diagnostic tools and therapeutic strategies for heart failure.
- To discuss emerging therapies and their potential impact.
Main Methods:
- Review of current medical literature and clinical trial data.
- Analysis of diagnostic modalities such as plasma brain natriuretic peptide levels and echocardiography.
- Evaluation of established and novel therapeutic interventions.
Main Results:
- Plasma brain natriuretic peptide levels aid in diagnosis; echocardiography is primary imaging, with cardiac MRI gaining importance.
- Diuretics alleviate symptoms; beta-blockers, ACE inhibitors, ARBs, and aldosterone antagonists improve survival in systolic heart failure.
- Device therapies like cardiac resynchronization therapy and implantable cardiac defibrillators benefit selected patients.
Conclusions:
- Therapeutic strategies for diastolic heart failure are limited to symptom improvement and risk factor control, with disappointing clinical trial results.
- Emerging therapies, such as stem cell therapy, show promise and are under investigation.
- Early diagnosis and tailored treatment are crucial for reversing cardiac remodeling and achieving clinical improvement.
Abstract:
Heart failure is a common cardiovascular disease with high morbidity and mortality. Unlike western countries where heart failure is predominantly a disease of the elderly, in India it affects younger age group. Important risk factors include coronary artery disease, hypertension, diabetes mellitus, valvular heart disease and cardiomyopathies. Plasma brain natriuretic peptide levels are helpful in the diagnosis of heart failure. Echocardiography is the primary imaging modality of choice, through recently cardiac magnetic resonance imaging (MRI) has been found to play an increasing role. Aim of management is to improve symptoms & enhance survival. Diuretics are important in relieving symptoms. Beta-blockers, angiotensin converting enzyme (ACE) inhibitors, angiotensin receptor blockers and adosterone antagonists improve survival in patients with impaired systolic function. Device therapy including cardiac resynchronization therapy and implantable cardiac defibrillators, though expensive are useful in selected patients. Unlike in patients with systolic heart failure where several therapies have been shown to improve survival, clinical trial results in diastolic heart failure have been disappointing and therapy in these patients is restricted to symptom improvement and risk factor control. Therapies like stem cell therapy are being evaluated in clinical trials and appear promising. Early diagnosis and appropriate therapy helps in reversing the process of remodelling and clinical improvement in most of the patients.
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