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Rare Mechanical Complication of Percutaneous PFO Closure Leading to Recurrent Strokes in a Teenage Boy.

ABSTRACT: An 18-year-old male subject presented with recurrent strokes 3 years after percutaneous patent foramen ovale (PFO) closure with an PFO occluder device for presumed PFO-related stroke. A transesophageal echocardiogram revealed apparent device displacement during dynamic cardiac cycle. This case highlights an unusual but important delayed complication of transcatheter PFO closure. (Level of Difficulty: Intermediate.).

SUBMITTER: Butt Z

PROVIDER: S-EPMC8446229 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Still no closure on the question of PFO closure.

Project description: Not available

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Randomized clinical trial comparing percutaneous closure of patent foramen ovale (PFO) using the Amplatzer PFO Occluder with medical treatment in patients with cryptogenic embolism (PC-Trial): rationale and design.

Project description:Several studies have shown an association of cryptogenic stroke and embolism with patent foramen ovale (PFO), but the question how to prevent further events in such patients is unresolved. Options include antithrombotic treatment with warfarin or antiplatelet agents or surgical or endovascular closure of the PFO. The PC-Trial was set up to compare endovascular closure and best medical treatment for prevention of recurrent events.The PC-Trial is a randomized clinical trial comparing the efficacy of percutaneous closure of the PFO using the Amplatzer PFO occluder with best medical treatment in patients with cryptogenic embolism, i.e. mostly cryptogenic stroke. Warfarin for 6 months followed by antiplatelet agents is recommended as medical treatment. Randomization is stratified according to patients age (<45 versus ?45 years), presence of atrial septal aneurysm (ASA yes or no) and number of embolic events before randomization (one versus more than one event). Primary endpoints are death, nonfatal stroke and peripheral embolism.patients were randomized in 29 centers of Europe, Canada, and Australia. Randomization started February 2000. Enrollment of 414 patients was completed in February 2009. All patients will be followed-up longitudinally. Follow-up is maintained until the last enrolled patient is beyond 2.5 years of follow-up (expected in 2011).

| S-EPMC3058012 | biostudies-literature

Clinical and infarction patterns of PFO-related cryptogenic strokes and a prediction model.

Project description:Objectives:The higher than expected PFO rate in CS patients has raised concerns that paradoxical embolism maybe the pathophysiologic mechanism for strokes. However, only a small proportion of pathogenic PFOs cause CS. Therefore, accurate recognition of patients with pathogenic PFOs among all CS patients could guide clinical decision making in selecting the most appropriate treatment. The aim of this study was to devise a new algorithm to stratify cryptogenic stroke (CS) patients into pathogenic patent foramen ovale (p-PFO)- and non-p-PFO-related patients. Methods:A total of 1201 patients with acute ischemic stroke were recruited from two different medical centers, and 253 CS patients were identified. Of the 253 patients, 111 were diagnosed with PFO using contrast transcranial Doppler. Data on medical histories, neuroimaging and laboratory tests were compared in CS patients with or without PFO. Results:Compared with PFO-negative CS patients, PFO-positive CS patients showed younger onset age, lower incidence of hypertension and dyslipidemia, characteristic infarction pattern in magnetic resonance imaging and specifically altered platelet activity and coagulation function. Based on the above information, we constructed a PFO judgment formula (Hr-PFOJ) by means of feature weight estimation and predictive performance evaluation to predict pathogenic PFO in CS patients with a sensitivity of 76.3% and a specificity of 66.5%. Interpretations:Hr-PFOJ judgment formula is a useful screening tool for identification of patients with pathogenic PFO who may benefit from PFO-related treatment.

| S-EPMC6243387 | biostudies-other

Partial PFO Closure for Persistent Hypoxemia in a Patient with Ebstein Anomaly.

Project description:Ebstein anomaly is characterized by deformities of the anterior leaflet of the tricuspid valve and atrialization of the right ventricle. Patients with severe tricuspid regurgitation are recommended to have tricuspid valve surgery with concomitant atrial septal defect closure. A 73-year-old female with Ebstein anomaly presented with severe hypoxemia. Transthoracic echocardiography revealed severe tricuspid regurgitation and a patent foramen ovale with right-to-left shunting. Complete percutaneous patent foramen ovale closure led to acute decompensation; however, partial closure led to hemodynamic stability and improved oxygenation. In conclusion, similar patients with "patent foramen ovale dependency" from longstanding shunts may benefit from partial patent foramen ovale closure.

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Urinothorax: A rare complication of percutaneous nephrostomy.

Project description:We present a case of a urinothorax resulting from treatment of genitourinary pathology. The presentation, diagnosis, and management of a 46-year-old female with an urinothorax are discussed. Urinothorax is a rare cause of a pleural effusion, most commonly arising from a traumatic etiology. Imaging can be crucial in the diagnosis, particularly computerized tomography (CT), which can help characterize any associated causative genitourinary abnormalities such as anatomical defects or a urinoma. A urinothorax is often posttraumatic in etiology, associated with the treatment of genitourinary pathology, as in this case. Treatment of the source of the urine leak is required to properly manage an urinothorax and often requires a multi-disciplinary approach.

| S-EPMC6447739 | biostudies-literature

Transcatheter Closure of PFO and ASD: Multimodality Imaging for Patient Selection and Perioperative Guidance.

Project description:Transcatheter closure of patent foramen ovale (PFO) and secundum type atrial septal defect (ASD) are common transcatheter procedures. Although they share many technical details, these procedures are targeting two different clinical indications. PFO closure is usually considered to prevent recurrent embolic stroke/systemic arterial embolization, ASD closure is indicated in patients with large left-to-right shunt, right ventricular volume overload, and normal pulmonary vascular resistance. Multimodality imaging plays a key role for patient selection, periprocedural monitoring, and follow-up surveillance. In addition to routine cardiovascular examinations, advanced neuroimaging studies, transcranial-Doppler, and interventional transesophageal echocardiography/intracardiac echocardiography are now increasingly used to deliver safely and effectively such procedures. Long-standing collaboration between interventional cardiologist, neuroradiologist, and cardiac imager is essential and it requires a standardized approach to image acquisition and interpretation. Periprocedural monitoring should be performed by experienced operators with deep understanding of technical details of transcatheter intervention. This review summarizes the specific role of different imaging modalities for PFO and ASD transcatheter closure, describing important pre-procedural and intra-procedural details and providing examples of procedural pitfall and complications.

| S-EPMC8306204 | biostudies-literature

Lumbar Artery Pseudoaneurysm: A Complication of Percutaneous Nephrostomy.

Project description:A 21 year-old male underwent nephrostomy tube insertion for hydronephrosis due to a large para-aortic adenopathy of a testicular tumor. In order to reduce infections during chemotherapy, a ureteral stent was placed. While removing the nephrostomy tube, a pulsatile bleeding was found and a renal angiography was done. A pseudoaneurysm of his first left lumbar (L1) artery communicating with the nephrostomy's access site was found. An embolization was performed with coils in the left L1 artery and one of its subdivisions. Post-embolization controls revealed no bleeding. On the follow-up CT, there were no suspicious retroperitoneal mass.

| S-EPMC5408151 | biostudies-literature

Late Complication After Transcatheter Closure of Patent Ductus Arteriosus.

Project description:We describe the case of a 32-year-old man with history of patent ductus arteriosus (PDA) closed with an Amplatzer device 12 years earlier. Imaging investigations revealed a persistent large PDA and the device migrated in the right pulmonary artery. A new transcatheter PDA occlusion was attempted with optimal post-procedural results. (Level of Difficulty: Advanced.).

| S-EPMC8289132 | biostudies-literature

Patent Foramen Ovale Closure in Old Stroke Patients: A Subgroup Analysis of the DEFENSE-PFO Trial.

Project description: Not available

| S-EPMC8189858 | biostudies-literature

Migraine in Patients Undergoing PFO Closure: Characterization of a Platelet-Associated Pathophysiological Mechanism: The LEARNER Study.

Project description:The association between migraine and patent foramen ovale (PFO) has been documented. We aimed to investigate platelet activation, prothrombotic phenotype, and oxidative stress status of migraineurs with PFO on 100 mg/day aspirin, before and 6 months after PFO closure. Data show that, before PFO closure, expression of the classical platelet activation markers is comparable in patients and aspirin-treated healthy subjects. Conversely, MHA-PFO patients display an increased prothrombotic phenotype (higher tissue factorpos platelets and microvesicles and thrombin-generation potential), sustained by an altered oxidative stress status. This phenotype, which is more controlled by P2Y12-blockade than by aspirin, reverted after PFO closure together with a complete migraine remission. (pLatelEts And MigRaine iN patEnt foRamen Ovale [LEARNER]; NCT03521193).

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