Platypnea-orthodeoxia Syndrome Caused by a Latent Atrial Septal Defect
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概要
- 論文の詳細を見る
A 79-year-old woman presented with unexplained hypoxia that became exacerbated by an upright posture (platypnea-orthodeoxia syndrome). A 99mTc-macroaggregated albumin pulmonary perfusion scan revealed a right to left shunt of 25.5% in the supine position and 32.3% in the sitting position. A dynamic CT scan and a transoesophageal echocardiogram confirmed the presence of a shunt across an atrial septal defect (ASD). A percutaneous transcatheter closure of the defect significantly improved the patient's blood oxygenation levels when she was in the upright position. An ASD should therefore be included in the differential diagnosis of platypnea-orthodeoxia syndrome, regardless of the patient's age.
著者
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Ohno Yohei
Department Of Orthopedic Surgery Hamamatsu Medical Center
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Aoki Takuya
Department Of Medicine School Of Medicine Keio University
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Abe Tadashi
Department Of Biochemistry Okayama University Medical School
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Asano Koichiro
Department Of Internal Medicine School Of Medicine Keio University
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Niimi Kyoko
Department Of Oral Sciences School Of Dentistry University Of Otago
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Ikari Yuji
Department Of Cardiology Tokai Univeristy
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Nakazawa Gaku
Department Of Cardiology Tokai University School Of Medicine
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Aoki Takuya
Department of Pulmonary Medicine, Tokai University School of Medicine, Japan
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Asano Koichiro
Department of Pulmonary Medicine, Tokai University School of Medicine, Japan
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Takiguchi Hiroto
Department of Pulmonary Medicine, Tokai University School of Medicine, Japan
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Ogiya Rin
Department of Pulmonary Medicine, Tokai University School of Medicine, Japan
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