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Pulmonary hypertension complicating portal hypertension: findings on chest radiographs Chan T; Palevsky HI; Miller WTAJR Am J Roentgenol 1988[Nov]; 151 (5): 909-14Pulmonary hypertension is a rare but well-established complication of portal hypertension with a prevalence of 0.73% in one large autopsy series. In this report, we review the findings on chest radiographs in eight patients with this complication. Portal hypertension in these patients was evidenced by the presence of esophageal varices and/or ascites. The causes of portal hypertension were liver cirrhosis in seven patients and portal venous thrombosis in one patient. Pulmonary hypertension was established by right heart catheterization and pressure measurement. Qualitative assessment of the radiographs showed that four patients had the classic findings of pulmonary hypertension including prominent central pulmonary arteries and right ventricular enlargement, three had subtle abnormalities, and one had only cardiomegaly. Measurements of the width of the right descending pulmonary artery and the pulmonary lobar diameter/transverse thoracic diameter ratio were made in five of the patients in whom postero-anterior radiographs were available. The results confirmed our qualitative analysis, although they did not establish the diagnosis in borderline cases. We also observed that pulmonary vascular redistribution to the upper lobes was present in four patients, a finding that has been reported in patients with other causes of pulmonary hypertension. We conclude that the possibility of pulmonary hypertension should be raised in patients with portal hypertension, even when only subtle chest radiographic findings are present to suggest that diagnosis.|Adolescent[MESH]|Adult[MESH]|Female[MESH]|Humans[MESH]|Hypertension, Portal/*complications/diagnostic imaging[MESH]|Hypertension, Pulmonary/diagnostic imaging/*etiology[MESH]|Liver Cirrhosis/complications[MESH]|Male[MESH]|Middle Aged[MESH]|Radiography[MESH] |
