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[Chronic atrial fibrillation in the elderly].

E T De Carvalho Filho1, S T Miotta, A T Alves

  • 1Hospital das Clínicas da Faculdade de Medicina da USP, São Paulo.

Arquivos Brasileiros De Cardiologia
|August 1, 1991
PubMed
Summary

Chronic atrial fibrillation (CAF) in the elderly is common, often linked to heart disease, but can also occur with thyroid issues or unknown causes. This study evaluated elderly patients with CAF to understand its various aspects.

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Area of Science:

  • Cardiology
  • Geriatrics

Context:

  • Chronic atrial fibrillation (CAF) is a prevalent condition in the elderly population.
  • Understanding the diverse etiologies and clinical presentations of CAF in older adults is crucial for effective management.

Purpose:

  • To comprehensively evaluate the clinical characteristics and associated conditions of chronic atrial fibrillation (CAF) in elderly patients.
  • To determine the frequency of CAF in a geriatric outpatient setting and identify contributing factors.

Summary:

  • A study of 49 elderly patients (average age 76.1) with CAF revealed a 4.8% prevalence in a geriatric clinic, increasing with age.
  • Cardiovascular diseases (hypertension, valve disease) were common (79.6%), alongside other systemic conditions like diabetes and hyperthyroidism (16.3%).
  • Electrocardiographic abnormalities (ST-T changes, left ventricular hypertrophy) and cardiomegaly were frequent; echocardiography often showed left atrial enlargement.

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Impact:

  • Findings highlight that CAF in the elderly is multifactorial, extending beyond cardiocirculatory diseases to include thyrotoxicosis and idiopathic cases.
  • This underscores the need for thorough etiological investigation in elderly patients diagnosed with chronic atrial fibrillation.