作者
R Rodriguez-Roisin, AG Agusti, J Roca
发表日期
1992/11/1
期刊
Thorax
卷号
47
期号
11
页码范围
897-902
出版商
BMJ Publishing Group Ltd
简介
On the basis of previous work, our own experience and findings, and the considerations discussed above, we propose a set of four diagnostic criteria for the hepatopulmonary syndrome: 1. presence of chronic hepatic disease (alcoholic, postnecrotic, or primary biliary cirrhosis or active chronic hepatitis)--severe liver dysfunction may not be mandatory; 2. absence of intrinsic cardiopulmonary disease, with normal chest radiograph or with nodular basal shadowing; 3. pulmonary gas exchange abnormalities--an increased alveolar-arterial oxygen gradient (> or = 2.0 kPa) with or without hypoxaemia; 4. the extrapulmonary appearance of intravenous radiolabelled microspheres or a positive contrast enhanced echocardiogram, suggesting intrapulmonary vascular abnormalities. Although these four criteria appear straightforward, there may be other features that are not always present--namely: 1. low transfer factor …
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