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Article
July 1959

Leg Volume Changes Observed in Hyaline Membrane Disease

Author Affiliations

Cincinnati; Bristol, England; Burlington, Vt.; Boston
From the Boston Lying-In and Children's Hospitals and the Departments of Pediatrics and Obstetrics, Harvard Medical School.

AMA Am J Dis Child. 1959;98(1):24-26. doi:10.1001/archpedi.1959.02070020026005
Abstract

The pathophysiology of the neonatal respiratory distress syndrome has been largely inferred from postmortem appearances in infants showing pulmonary hyaline membranes at autopsy. Little is known of earlier changes occurring soon after birth, and essentially nothing of any prenatal or perinatal disturbances of physiology. But, since roentgenological and other studies have defined the clinical entity relatively clearly, investigation of earlier phases and in infants who survive is increasingly possible.

The association of nenonatal respiratory distress with an appearance of edema has been noted for some time.1 Although the nature of the hyaline material composing the membranes found at autopsy has yet to be completely defined, fibrin is present.2 This finding lends support to the idea that the hyaline membranes come at least in part from inside the body rather than from aspiration of foreign material. If the protein or fibrin-containing material in the alveoli is a local transudation,

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