右心房血栓导致的右向左心房分流伴低氧血症。
Right-to-left interatrial shunt with hypoxemia caused by a right atrial thrombus.
作者信息
Vargas-Beal Franco, Coulter Stephanie A, Yendamuri Sai, Contreras Ariadna, Duncan J Michael
机构信息
Department of Cardiovascular Surgery, The Texas Heart Institute at St. Luke's Episcopal Hospital, Houston, Texas 77030, USA.
出版信息
Tex Heart Inst J. 2007;34(2):225-9.
Abstract
A right-to-left shunt in the presence of normal pulmonary artery pressure is an unusual cause of hypoxemia in an adult who has a patent foramen ovale. We report a rare case of such a shunt-the result of a right atrial thrombus that formed in a hypercoagulable patient after placement of an indwelling central venous catheter for chemotherapy. In order to ascertain the nature of the right atrial mass and to decrease the risk of systemic embolization, the thrombus was surgically removed with the patient on cardiopulmonary bypass.
摘要
在肺动脉压力正常的情况下，卵圆孔未闭导致的右向左分流是成人低氧血症的不常见原因。我们报告了这样一例罕见的分流病例，其起因是一名高凝患者在置入中心静脉导管进行化疗后右心房形成血栓。为了确定右心房肿块的性质并降低全身栓塞风险，在体外循环下通过手术切除了该血栓。
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