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Importance of Persistent Right-to-Left Shunt After Patent Foramen Ovale Closure in Cryptogenic Stroke Patients
Tex Heart Inst J. 2020 Aug 1;47(4):244-249. doi: 10.14503/THIJ-17-6582.ABSTRACTPercutaneous closure of patent foramen ovale (PFO) is widely performed to prevent recurrent stroke or transient ischemic attack in patients with cryptogenic stroke. However, the influence of different degrees of right-to-left shunting (RLS) has rarely been reported. We retrospectively evaluated the cases of 268 patients with cryptogenic stroke who underwent PFO closure at our hospital from April 2012 through April 2015. In accordance with RLS severity, we divided the patients into 2 groups: persistent RLS during normal breathing and the Valsalva...
Source: Texas Heart Institute Journal - January 20, 2021 Category: Cardiology Authors: Lu He Gesheng Cheng Yajuan Du Yushun Zhang Source Type: research

Embolization of Patent Foramen Ovale Closure Devices: Incidence, Role of Imaging in Identification, Potential Causes, and Management.
Abstract Transcatheter patent foramen ovale (PFO) closure is an alternative to antiplatelet or anticoagulative therapy in patients with cryptogenic stroke, and it is associated with a small incidence of periprocedural sequelae. Because embolization of PFO closure devices is a very rare procedural complication, data on its frequency, causes, and management are sparse. We sought to review the medical literature and the cases of PFO closure-device embolization at our institution with the aim of identifying likely problems and reporting potential solutions. Out of 310 adult patients who underwent transcatheter PFO clo...
Source: Texas Heart Institute Journal - October 5, 2013 Category: Cardiology Authors: Goel SS, Aksoy O, Tuzcu EM, Krasuski RA, Kapadia SR Tags: Tex Heart Inst J Source Type: research

Stepwise Progression of Right-to-Left Atrial Shunting through a Combination of Patent Foramen Ovale and Tricuspid Regurgitation.
We present the case of an 86-year-old woman with a pacemaker, who was initially asymptomatic notwithstanding a patent foramen ovale. Over 1.5 years, her symptoms progressed in a stepwise fashion, in the setting of progressive pacemaker-associated tricuspid regurgitation. Ultimately, the patient's symptoms and her hypoxemia resolved after percutaneous closure of her patent foramen ovale with use of a 25-mm "Cribriform" occluder device. This case highlights the fact that clinically significant right-to-left shunting requires an anatomic lesion, such as patent foramen ovale, together with elevated right atrial pressure, which...
Source: Texas Heart Institute Journal - March 31, 2016 Category: Cardiology Authors: Kransdorf EP, Kransdorf LN, Fortuin FD, Sweeney JP, Wilansky S Tags: Tex Heart Inst J Source Type: research

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