Baptista Rui, da Silva António Marinho, Castro Graça, Monteiro Pedro, Providência Luis A
Serviço de Cardiologia, Hospitais da Universidade de Coimbra, Portugal.
Rev Port Cardiol. 2011 Apr;30(4):445-50.
Platypnea-orthodeoxia is a rare syndrome characterized by dyspnea and hypoxia induced by the upright position and relieved by the supine position. Several factors related to atrial anatomy can facilitate shunting through an atrial septal defect; in many cases, the syndrome is associated with patent foramen ovale and right-to-left shunt, and has also been linked to aortic aneurysm. We present a case of platypnea-orthodeoxia syndrome in a 61-year-old woman with patent foramen ovale and ascending aortic aneurysm.
平卧呼吸-直立性低氧血症是一种罕见的综合征，其特征为直立位诱发呼吸困难和低氧血症，而仰卧位可缓解。一些与心房解剖结构相关的因素可促使血液通过房间隔缺损分流；在许多情况下，该综合征与卵圆孔未闭及右向左分流有关，也与主动脉瘤有关。我们报告一例61岁患有卵圆孔未闭和升主动脉瘤的女性平卧呼吸-直立性低氧血症综合征病例。
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