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J Am Coll Cardiol. 1991 Nov 15;18(6):1539-45.

Clinical and pathologic manifestations of pulmonary vascular disease in the toxic oil syndrome.

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1
Department of Cardiology, Hospital 12 de Octubre, Universidad Complutense of Madrid, Spain.

Abstract

The toxic oil syndrome in Spain affected greater than 20,000 people. In the initial stages, it was characterized by a respiratory distress syndrome with myalgias and eosinophilia. Pulmonary hypertension developed in 20% of the patients and in many, it has spontaneously regressed. Nevertheless, in a small subgroup, it has progressed to a malignant course of cor pulmonale, leading rapidly to death. Clinical and pathologic features of 40 patients with severe pulmonary hypertension due to the toxic oil syndrome are presented (32 female and 8 male patients; mean age 26 +/- 13 years). The study began in June 1981, which was near the onset of the toxic oil epidemic, and ended in December 1987, greater than 6 years later. The pulmonary hypertension is clinically and pathologically indistinguishable from primary pulmonary hypertension. Direct endothelial injury by the toxic agent is proposed as the initial trigger of this type of pulmonary hypertension, but an interaction between the toxic agent and specific individual susceptibility is probably required in its pathogenesis.

PMID:
1939959
DOI:
10.1016/0735-1097(91)90688-6
[Indexed for MEDLINE]
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