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Published on: October 30, 2010
[Postmortem diagnosis of cardiac amyloidosis in the aged. Anatomoclinical correlation]
D Bustos1, J J Perrenoud, J P Michel
1Institutions universitaires de gériatrie, Suisse.
Insights
Diagnosing cardiac amyloidosis is challenging due to a lack of specific signs. This study identified radiological cardiomegaly and elevated erythrocyte sedimentation rate as key indicators for earlier detection.
Area of Science:
- Gerontology
- Cardiology
- Pathology
Context:
- Cardiac amyloidosis diagnosis is often missed pre-mortem.
- Prevalence increases with age, worsening cardiac failure prognosis.
- Current diagnostic methods lack definitive early clinical signs.
Purpose:
- To identify clinical and paraclinical signs for improved cardiac amyloidosis diagnosis.
- To evaluate the diagnostic utility of specific indicators in elderly patients.
Summary:
- A review of 2589 autopsy reports identified 58 cases of microscopic cardiac amyloidosis.
- Atrial fibrillation and low voltage ECG showed poor sensitivity.
- Radiological cardiomegaly combined with elevated erythrocyte sedimentation rate (ESR) was found in 70% of cases with low false positives.
Impact:
- Highlights the potential of combining radiological cardiomegaly and ESR for earlier cardiac amyloidosis detection.
- Suggests a more accurate diagnostic approach for this age-related condition.
- Aims to improve patient outcomes by enabling timely diagnosis and management.
Abstract:
The absence of specific clinical signs makes the diagnosis of cardiac amyloidosis difficult. Moreover, it is established that this condition, the prevalence of which increases with age, aggravates the prognosis of cardiac failure. The present study was undertaken to identify the clinical or paraclinical signs enabling more accurate diagnosis of this disease. Analysis of 2589 autopsy reports from the University Institutes of Geriatrics of Geneva between January 1972 and January 1990 recensed 58 cases of microscopic cardiac amyloidosis, but this diagnosis was not made in any of these patients before death. Of the potential indicators, the good specificity but poor sensitivity of atrial fibrillation and low voltage electrocardiogram was confirmed. On the other hand, the author's research found the association of radiological cardiomegaly and a raised erythrocyte sedimentation rate in nearly 70% of cases of cardiac amyloidosis with a false positive rate of only 10% in a control group.
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