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[Left auricular hypertrophy in aortic stenosis in adults].
J Boschat1, H Le Mehaute, J Le Potier
1Services de Cardiologie, CHU Morvan, Brest.
Summary
Left atrial hypertrophy (LAH) is a common finding in patients with calcified aortostenosis (CAS), particularly those experiencing dyspnea. This condition correlates with increased pulmonary capillary pressure and other hemodynamic factors.
Area of Science:
- Cardiology
- Cardiac Physiology
Context:
- Calcified aortostenosis (CAS) is a significant valvular heart disease.
- Left atrial hypertrophy (LAH) is a potential complication or indicator of cardiac stress.
Purpose:
- To investigate the prevalence and clinical significance of LAH in patients with CAS.
- To explore the relationship between LAH and various clinical, echocardiographic, and hemodynamic parameters in CAS patients.
Summary:
- Electrocardiograms revealed LAH in 81% of 98 adult patients with CAS.
- LAH showed a significant linear correlation with mean pulmonary capillary pressure, left ventricular mass, and left ventricle-aorta gradient.
- Dyspnea was more frequently observed in patients with LAH (84%) compared to those without (17%).
Impact:
- LAH is a frequent indicator in CAS patients, suggesting multifactorial origins.
- Increased mean pulmonary capillary pressure is a predominant factor in LAH development, especially with clinical signs of compromised safety.
- Findings highlight the clinical utility of ECG in identifying LAH and its association with hemodynamic changes in CAS.