Abstract:SummaryAccording to recent studies, lung uptake of iodine-123-metaiodobenzylguanidine ( 123 I-MIBG) is impaired in many lung diseases and low lung uptake of 123 I-MIBG suggests endothelial dysfunction of the pulmonary artery. The 21 patients with PH were categorized into those with pulmonary artery hypertension (PAH, n = 12) and those with chronic thromboembolic pulmonary hypertension (CTEPH, n = 9). The mean pulmonary artery pressure was not significantly different between patients with CTEPH and PAH (37.7 ± … Show more
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