Constrictive Pericarditis with Particular Reference to Etiology

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Abstract
Tuberculous constrictive pericarditis is becoming less common in British Columbia, along with other forms of tuberculosis. Virus infection appears to be responsible for a number of cases of nonspecific constrictive pericarditis seen recently. This is a more acute form of pericardial constriction, occurring a few months after the original attack of pericarditis, and likely to present as a surgical emergency. Early operation is essential. Tuberculous pericarditis does not respond well to pericardiectomy during the acute phase. If diagnosed in the acute phase, chemotherapy should be given for at least several months prior to operation. Both ventricles must be freed completely of the constricting pericardium for a good functional result. A left thoracotomy gives the best exposure for this purpose.
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