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Haemorrhagic pericardial effusion in an asbestos worker
A Roggeri1, C Tomasi, A Cavazza
1UO di Pneumologia, Arcispedale S. Maria Nuova, Viale Risorgimento 80, 42100 Reggio Emilia, Italy. roggeri.alberto@asmn.re.it
Background:
Occupational exposure to asbestos may cause pleural and lung disorders and, less frequently, diseases of the peritoneum and pericardium. An exceedingly small number of cases of benign pericardial effusion have been described so far in the medical literature.
Objectives:
To report a rare case of haemorrhagic pericardial effusion caused by occupational asbestos exposure in a patient with pre-existent aortic regurgitation, bilateral pleural plaques and no signs of interstitial lung involvement due to asbestosis.
Methods:
A thorough clinical and instrumental evaluation (laboratory tests, tuberculin skin test, chest X-rays, transthoracic and transesophageal echocardiography, contrast coronary and aortic angiography, a histological examination of pericardial and pleural surgical specimens) was performed to examine all the known causes of pericardial effusion.
Results:
The tests performed did not demonstrate any specific cause of pericardial effusion. Surgical assessment three months later, during an aortic valve replacement, showed no signs of aortic dissection or intraparietal hematoma. A nine-year follow up did not reveal any reoccurrence of pericardial effusion.
Conclusions:
Asbestos related pericardial effusion is rarely described in the medical literature but must be considered in patients with previous occupational asbestos exposure. There are no specific clinical or pathological aspects indicative of this etiology and the diagnosis remains one of exclusion. A thorough occupational history should be obtained in patients with pericardial effusion of unknown etiology.
Insights
Occupational asbestos exposure can cause rare cases of pericardial effusion. Diagnosis requires excluding other causes, highlighting the importance of a detailed occupational history for patients with unexplained pericardial effusion.
Area of Science:
- Cardiology
- Occupational Medicine
- Pulmonology
Background:
- Occupational asbestos exposure is linked to pleural and lung diseases, with rare associations to peritoneal and pericardial conditions.
- Benign pericardial effusion due to asbestos exposure is exceedingly rare in medical literature.
Observation:
- A case of hemorrhagic pericardial effusion in a patient with occupational asbestos exposure, pre-existing aortic regurgitation, and pleural plaques is presented.
- The patient showed no signs of interstitial lung disease from asbestosis.
Findings:
- Extensive clinical and instrumental evaluations ruled out common causes of pericardial effusion.
- Surgical assessment during aortic valve replacement revealed no signs of aortic dissection or hematoma.
- A nine-year follow-up confirmed no recurrence of pericardial effusion.
Implications:
- Asbestos-related pericardial effusion, though rare, should be considered in patients with a history of occupational asbestos exposure.
- Diagnosis is one of exclusion, lacking specific clinical or pathological markers.
- Obtaining a thorough occupational history is crucial for diagnosing pericardial effusion of unknown etiology.
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