Recurrent Pulmonary Embolism and Hypersensitivity Pneumonitis Secondary to Aspergillus, in a Compost Plant Worker: Case Report and Review of Literature

Lung
Amos LalKevin Martin

Abstract

Activation of blood coagulation pathways as a component of an allergic response has been studied in animal models. In patients with allergic diseases, clot qualities have been noted to be different in terms of denser fibrin clot with reduced plasmin-mediated clot lysis. Correlation between occupational hypersensitivity pneumonitis (HP) with thromboembolic events is scarce in the general patient population. We present a case of a 52-year-old man with recurrent venous thromboembolism with HP secondary to bioaerosol exposure in a compost plant. Biochemical evaluation found no evidence of underlying hypercoagulable state, with only remarkable findings of elevated levels of total serum immunoglobulin E and raised Aspergillus sp. IgG antibodies. The patient decided to change his working environment to one without exposure to compost or other fungal elements. His symptoms and pulmonary function tests gradually improved without any subsequent intervention. The patient chose against the advice of his care providers to discontinue warfarin anti-coagulation that had been recommended for lifelong duration after recurrent pulmonary thromboembolism. At a 4-year follow-up he has remained free of any further episodes of venous thromboembolic e...Continue Reading

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Citations

Feb 11, 2021·The American Journal of the Medical Sciences·Bogdan MoldoveanuJuan J Guardiola
May 1, 2021·Monaldi Archives for Chest Disease = Archivio Monaldi Per Le Malattie Del Torace·Amos LalChristoph Nabzdyk

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