Autopsy findings in patients with mitral stenosis show that pathologic alterations of alveolar walls are infrequent and mostly limited to slight capillary dilatation.
Alveolar wall changes appear infrequent in mitral stenosis; leaves open their contribution to symptoms and requires prospective validation.
Pathologic alterations of alveolar walls in 95 autopsied patients with mitral stenosis were not frequent. The most frequently encountered change was capillary dilatation, and in 83 per cent of the patients, even this change was slight or absent. Other alterations were focal and involved only small proportions of the area of tissue examined. A generalized increase in the thickness of basement membranes could not be demonstrated.
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O’Neal et al. (1957) studied this question.
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