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Platypnoea-orthodeoxia syndrome due to deformation of the patent foramen ovale caused by a dilated ascending aorta: a case report.

ABSTRACT: Background:Platypnoea-orthodeoxia syndrome (POS) is characterized by dyspnoea and arterial desaturation in the sitting position. Although its pathophysiology is complex and still needed to be investigated, the disease is one of the clinical situations which should be immediately and adequately managed by health care workers from the initial presentation. Case summary:A 66-year-old woman with a history of systemic lupus erythematosus, deep vein thrombosis, and lumbar compression fracture was admitted for evaluation of the sudden onset of dyspnoea, while in the sitting position that was relieved on placing her in the supine position. Her transoesophageal echocardiogram did reveal a deformity in the patent foramen ovale (PFO) structure with a wide gap due to aortic compression, which was markedly different from that observed in the supine position, along with massive right-to-left shunting caused by redirected venous return due to a persistent Eustachian valve. With the computed tomography and angiograms, POS was diagnosed. Then, the patient received aortic replacement and patch closure of PFO, and her symptoms were completely resolved. Discussion:Platypnoea-orthodeoxia syndrome is a condition with quite unique features and needs multiple clinical measures for the diagnosis and medical management. For all health care workers, it is essential to have a high suspicion in order to detect POS in patients with unexplained dyspnoea. Echocardiography plays a major role in establishing the diagnosis and offering the choice of therapeutic options.

SUBMITTER: Hasegawa M

PROVIDER: S-EPMC7180520 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Platypnoea-orthodeoxia syndrome due to deformation of the patent foramen ovale caused by a dilated ascending aorta: a case report.

Hasegawa Misaki M Nagai Tomoo T Murakami Tsutomu T Ikari Yuji Y

European heart journal. Case reports 20200229 2

<h4>Background</h4>Platypnoea-orthodeoxia syndrome (POS) is characterized by dyspnoea and arterial desaturation in the sitting position. Although its pathophysiology is complex and still needed to be investigated, the disease is one of the clinical situations which should be immediately and adequately managed by health care workers from the initial presentation.<h4>Case summary</h4>A 66-year-old woman with a history of systemic lupus erythematosus, deep vein thrombosis, and lumbar compression fr ...[more]

PMID: 32352045

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Project description:Patent foramen ovale (PFO)-related stroke is increasingly recognized as an important etiology of ischemic embolic stroke-accounting for up to 50% of strokes previously considered 'cryptogenic' or with an unknown mechanism. As a 'back door to the brain,' PFO can allow venous clots to enter arterial circulation via interatrial right-to-left shunting, potentially resulting in ischemic stroke. We observe that clinically, PFO-related stroke affects women of childbearing age, and that pregnancy-owing to major changes in hemocoagulative, hormonal, and cardiovascular parameters-can enhance stroke risks. However, no systematic study has been performed and little is known regarding complications, pregnancy outcomes and treatment for PFO-related stroke during pregnancy. To identify and characterize the complications and clinical outcomes related to PFOs during pregnancy, we performed a literature review and analysis from all reported cases of pregnancy with PFO-related complications in the medical literature from 1970 to 2015. We find that during pregnancy and post-partum, PFO is associated with complications affecting multiple organs, including the brain, heart and lung. The three principal complications reported are stroke, pulmonary emboli and myocardial infarction. In contrast to other pregnancy-related stroke etiologies, which peak during later pregnancy and postpartum, PFO-related stroke peaks during early pregnancy (first and second trimester-60%), and most patients had good neurological outcome (77%). In patients with PFO with recurrent stroke during pregnancy, additional key factors include high-risk PFO morphology (atrial septal aneurysm), larger right-to-left shunt, multiple gestation and concurrent hypercoagulability. Compared to strokes of other etiologies during pregnancy, most PFO stroke patients experienced uneventful delivery (93%) of healthy babies with a good clinical outcome. We conclude with recommended clinical treatment strategies for pregnant patients with PFO suggested by the data from these cases, and the clinical experience of our Cardio-Neurology Clinic.

Dataset Information

Platypnoea-orthodeoxia syndrome due to deformation of the patent foramen ovale caused by a dilated ascending aorta: a case report.

Publications

Platypnoea-orthodeoxia syndrome due to deformation of the patent foramen ovale caused by a dilated ascending aorta: a case report.

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