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1.
J Cardiothorac Surg ; 19(1): 393, 2024 Jun 27.
Article de Anglais | MEDLINE | ID: mdl-38937830

RÉSUMÉ

BACKGROUND: Although rare, paradoxical embolism sometimes occurs with patent ductus arteriosus (PDA). This study presents a case of PDA-associated paradoxical embolism with acute ischemic stroke (AIS) and pulmonary embolism (PE) following thoracoscopic surgery. CASE PRESENTATION: A 65-year-old woman developed acute-onset aphasia and right hemiparesis on the third day following thoracoscopic resection for a right lung tumor. Brain magnetic resonance imaging revealed multiple infarcts, and lower extremity venous Doppler ultrasound revealed deep vein thrombosis. The patient subsequently developed dyspnea, tachycardia, and hypoxemia. PE was confirmed by percutaneous transfemoral venous selective pulmonary angiography, which meanwhile demonstrated a PDA lesion. The patient, after receiving catheter-directed thrombolysis and inferior vena cava filter placement, improved in both neurological and respiratory status. CONCLUSION: For an uncommon but potentially fatal case with PDA-induced paradoxical embolism causing AIS and PE, early recognition and treatment are vital. Further studies are warranted to determine the optimal management and prognosis of patients with PDA-related embolic events.


Sujet(s)
Persistance du canal artériel , Embolie intracrânienne , Embolie pulmonaire , Humains , Femelle , Embolie pulmonaire/étiologie , Sujet âgé , Persistance du canal artériel/complications , Persistance du canal artériel/chirurgie , Embolie intracrânienne/étiologie , Embolie paradoxale/étiologie , Imagerie par résonance magnétique
2.
Rev. colomb. cir ; 39(3): 485-490, 2024-04-24. fig
Article de Espagnol | LILACS | ID: biblio-1554170

RÉSUMÉ

Introducción. La embolia paradójica es un evento trombótico originado en la circulación venosa, que se manifiesta como embolismo arterial por medio de un defecto anatómico a nivel cardíaco o pulmonar. Se asocia principalmente a eventos cerebrovasculares, aunque se han encontrado casos de infarto agudo de miocardio, infarto renal y otros eventos isquémicos. Caso clínico. Paciente de 47 años, quien consultó por cuadro de dolor abdominal, que requirió manejo quirúrgico de urgencia, donde identificaron isquemia intestinal importante. Los estudios adicionales hallaron déficit de proteína S y persistencia de foramen oval permeable. Resultados. La presencia de trombosis arterial se conoce como trombosis de sitios inusuales y requiere de estudios para descartar trombofilias asociadas u otros estados protrombóticos. El déficit de proteína S es una trombofilia infrecuente, la cual se asocia en la vida adulta a eventos trombóticos de origen venoso. En presencia de defectos anatómicos, como un foramen oval permeable, puede progresar a embolia arterial, configurando un cuadro de embolismo paradójico. La estratificación de estos pacientes requiere imágenes que demuestran el defecto mencionado, así como el posible origen de los émbolos. El manejo se basa en anticoagulación plena, manejo de soporte, resolver las manifestaciones trombóticas existentes y un cierre temprano del defecto anatómico. Conclusiones. El embolismo paradójico debe sospecharse en caso de trombosis de sitios inusuales. Requiere de un estudio exhaustivo con imágenes y su manejo debe basarse en anticoagulación y cierre del defecto.


Introduction. Paradoxical embolism is a thrombotic event originating in the venous circulation, which manifests as arterial embolism through an anatomical cardiac or pulmonary defect. It is mainly associated with stroke, also presenting as acute myocardial infarction, renal infarction, and other ischemic events. Clinical case. A 47-year-old patient was admitted due to abdominal pain, which required emergency surgical management, finding significant intestinal ischemia. Additional studies found protein S deficiency and evidence of a patent foramen ovale. Discussion. Arterial thrombosis is known as unusual thrombosis; this situation requires to rule out associated thrombophilia or other prothrombotic diseases. Protein S deficiency is a rare thrombophilia, which in adults causes venous thrombosis. In the presence of anatomical defects, such as a patent foramen ovale, it can progress to arterial embolism, presenting a picture of paradoxical embolism. The study work of these patients requires imaging that demonstrates the aforementioned defect, as well as the possible origin of the emboli. Management is based on full anticoagulation, treatment of existing thrombotic manifestations, and management of the anatomical defect. Conclusions. Paradoxical embolism should be suspected in case of unusual thrombosis. It requires exhaustive studies based on imaging, and management should consist of anticoagulation and closure of the defect.


Sujet(s)
Humains , Embolie et thrombose , Embolie paradoxale , Ischémie mésentérique , Thrombophilie , Foramen ovale perméable , Laparotomie
3.
G Ital Cardiol (Rome) ; 25(5): 295-299, 2024 May.
Article de Italien | MEDLINE | ID: mdl-38639118

RÉSUMÉ

Patent foramen ovale (PFO) is a remnant of normal fetal anatomy which may persist into adulthood, mostly asymptomatic. In some adults, PFO may result in a potential for shunting venous thromboembolism to the arterial circulation; less frequently it can cause interatrial, right-to-left shunting of deoxygenated blood. The pathogenesis of several medical conditions is related to the presence of PFO. Some randomized clinical trials have shown evidence of benefit for device closure as compared with medical therapy in patients with cryptogenic stroke. The literature reported several cases of carbon dioxide embolism during general laparoscopic surgery and sometimes stroke after laparoscopic or neurosurgery but there are neither prospective studies addressing these issues, nor randomized clinical trials assessing the effectiveness of pharmacotherapy or interventional procedures at decreasing risk. The European position paper suggests routine monitoring in non-cardiac surgery of patients with a PFO and no actual indications for closure. This article aims to further stratify the risk of periprocedural stroke and paradoxical embolism in this category of patients.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Accident vasculaire cérébral , Adulte , Humains , Embolie paradoxale/étiologie , Embolie paradoxale/prévention et contrôle , Foramen ovale perméable/complications , Foramen ovale perméable/chirurgie , Études prospectives , Prévention secondaire/méthodes , Accident vasculaire cérébral/prévention et contrôle , Accident vasculaire cérébral/complications , Résultat thérapeutique
4.
Medicina (B Aires) ; 84(2): 351-355, 2024.
Article de Espagnol | MEDLINE | ID: mdl-38683523

RÉSUMÉ

Paradoxical embolism due to an isolated pulmonary arteriovenous malformation (PAVM) is a rare cause of ischemic stroke. PAVMs are abnormal high-flow connections between pulmonary arteries and veins, diverting deoxygenated blood into the systemic circulation and they represent a less common source of paradoxical embolisms, especially in young individuals. Endovascular embolization is the preferred treatment for clinically significant PAVMs. We present the case of a 34-year-old woman with a left thalamic ischemic stroke. Severe contrast passage was detected in cerebral arteries through transcranial Doppler. Intracardiac ultrasound did not reveal a patent foramen ovale, prompting further investigation with pulmonary CT angiography, confirming the presence of PAVM. The patient underwent successful endovascular treatment. It is essential to consider PAVM in the etiological diagnosis of ischemic stroke, especially in young patients with signs of abnormal right-to-left communication. Periodic follow-up imaging is recommended to assess potential recurrence or changes in PAVM, emphasizing the importance of appropriate management of these malformations.


La embolia paradojal debido a una malformación arteriovenosa pulmonar (MAVP) aislada es una causa infrecuente de accidente cerebrovascular (ACV) isquémico. Las MAVP son conductos anómalos de alta circulación entre arterias y venas pulmonares, desviando sangre desoxigenada hacia la circulación sistémica y representan una fuente menos común de embolias paradojales, especialmente en personas jóvenes. La embolización endovascular es el tratamiento preferido para MAVP clínicamente significativas. Presentamos el caso de una mujer de 34 años con ACV isquémico talámico izquierdo. Se detectó pasaje de burbujas "en cortina" en arterias cerebrales mediante Doppler transcraneal. En ecografía intracardíaca no se encontró foramen oval permeable, motivo por el cual se avanzó con realización de angiotomografía pulmonar, la cual confirmó la presencia de MAVP. La paciente recibió tratamiento endovascular exitoso. Es esencial considerar la MAVP en el diagnóstico etiológico del ACV isquémico, especialmente en pacientes jóvenes con signos de comunicación anormal de derecha a izquierda. Se recomienda un seguimiento periódico mediante imágenes para evaluar la posible recurrencia o cambios en la MAVP, resaltando la importancia del manejo adecuado de estas malformaciones.


Sujet(s)
Malformations artérioveineuses , Embolie paradoxale , Accident vasculaire cérébral ischémique , Artère pulmonaire , Artère pulmonaire/malformations , Veines pulmonaires , Veines pulmonaires/malformations , Humains , Adulte , Femelle , Embolie paradoxale/imagerie diagnostique , Embolie paradoxale/étiologie , Accident vasculaire cérébral ischémique/étiologie , Accident vasculaire cérébral ischémique/imagerie diagnostique , Artère pulmonaire/imagerie diagnostique , Veines pulmonaires/imagerie diagnostique , Malformations artérioveineuses/complications , Malformations artérioveineuses/imagerie diagnostique , Angiographie par tomodensitométrie , Fistule artérioveineuse/imagerie diagnostique , Fistule artérioveineuse/complications , Embolisation thérapeutique/méthodes
5.
J Stroke Cerebrovasc Dis ; 33(6): 107664, 2024 Jun.
Article de Anglais | MEDLINE | ID: mdl-38428550

RÉSUMÉ

OBJECTIVES: Paradoxical embolism from right-to-left shunt through atrial septal defect (ASD) and patent foramen ovale (PFO) is a well-accepted cause of "cryptogenic" strokes (CS). To better understand the pathogenic role of ASD, we compared ASD patients with CS having a high and low likelihood of being PFO-related. METHODS: In the Acute Stroke Registry and Analysis of Lausanne, we calculated prevalence of PFO and ASD in CS patients undergoing echocardiography, and calculated odds ratios (OR) when compared to non-CS. Using the Risk of Paradoxical Embolism (RoPE) score, we divided CS PFO patients in high (HL-PFO, RoPE 8-10) and low-likelihood (LL-PFO, RoPE 0-4) PFO-related stroke. We then performed univariate comparison of epidemiological, clinical and radiological variables of ASD patients with both PFO groups. RESULTS: Among all CS, prevalence of ASD and PFO were 1.3% and 36.8% respectively. When compared to non-CS, ASD and PFO were associated with CS (OR of 5.2, CI= 1.6-16.6, and 2.8, CI= 2.1-3.8). Compared with HL-PFO, ASD patients were older, more often female, had more cardiovascular risk factors and silent strokes. Compared with LL-PFO, ASD patients were younger, more often female, and had less risk factors. No differences were found for clinical and radiological characteristics and clinical outcome. CONCLUSION: ASD is a rare stroke risk factor for CS. Since characteristics of such patients lie in-between high and low-likelihood paradoxical PFO-strokes, a thorough work-up for other stroke mechanisms is warranted. Individual evaluation of the likelihood of the ASD being causative for stroke may be preferable over routine ASD closure.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Communications interauriculaires , Enregistrements , Humains , Foramen ovale perméable/imagerie diagnostique , Foramen ovale perméable/complications , Foramen ovale perméable/épidémiologie , Femelle , Mâle , Communications interauriculaires/imagerie diagnostique , Communications interauriculaires/épidémiologie , Communications interauriculaires/complications , Facteurs de risque , Adulte d'âge moyen , Prévalence , Sujet âgé , Embolie paradoxale/épidémiologie , Embolie paradoxale/imagerie diagnostique , Embolie paradoxale/étiologie , Appréciation des risques , Adulte , Accident vasculaire cérébral/épidémiologie , Accident vasculaire cérébral/étiologie , Accident vasculaire cérébral/diagnostic , Accident vasculaire cérébral/imagerie diagnostique
6.
J Cardiothorac Surg ; 19(1): 137, 2024 Mar 19.
Article de Anglais | MEDLINE | ID: mdl-38504353

RÉSUMÉ

BACKGROUND: Paradoxical embolism is a rare cause of acute arterial occlusion. This phenomenon arises when embolic material travels from the venous system crosses an abnormal shunt such as patent foramen ovale, atrial septal defects, ventricular septal defects, or pulmonary arteriovenous malformations, into the arterial system. Impending paradoxical embolism refers to the presence of an entrapped thrombus in the patent foramen ovale. CASE PRESENTATION: We report a case of a 68-year-old female patient who presented with an impending paradoxical embolism, alongside both concomitant pulmonary embolism and myocardial infarction with ST-segment elevation. Swiftly addressed through emergency cardiac surgery and systemic anticoagulation, the patient's condition was effectively treated. CONCLUSIONS: While the ideal treatment strategy for impending paradoxical embolism remains a topic of debate due to limited and inconclusive evidence, emergent open surgery should be contemplated in patients as it signifies a critical clinical emergency.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Infarctus du myocarde , Embolie pulmonaire , Femelle , Humains , Sujet âgé , Foramen ovale perméable/complications , Foramen ovale perméable/chirurgie , Embolie paradoxale/complications , Embolie paradoxale/chirurgie , Échocardiographie transoesophagienne , Embolie pulmonaire/complications , Embolie pulmonaire/chirurgie , Infarctus du myocarde/complications , Infarctus du myocarde/chirurgie
7.
Semin Dial ; 37(3): 277-281, 2024.
Article de Anglais | MEDLINE | ID: mdl-38459828

RÉSUMÉ

Paradoxical embolism is a medical condition characterized by the migration of an embolus from a venous source into the systemic circulation. This occurs through a specific cardiac abnormality known as a right-to-left shunt, ultimately resulting in the possibility of arterial embolism. Patent foramen ovale (PFO) is the most common cause of intracardiac shunting. We reported a rare case of a 56-year-old man on hemodialysis with PFO and arteriovenous fistula dysfunction who suffered a paradoxical embolic ischemic stroke after percutaneous transluminal angioplasty. This case emphasized the potential risk of paradoxical embolism in hemodialysis patients with vascular access problems. We aimed to highlight the importance of searching for PFO, as it may serve as a possible source of embolism in these patients.


Sujet(s)
Angioplastie , Embolie paradoxale , Dialyse rénale , Humains , Mâle , Adulte d'âge moyen , Dialyse rénale/effets indésirables , Embolie paradoxale/étiologie , Embolie paradoxale/diagnostic , Accident vasculaire cérébral embolique/étiologie , Défaillance rénale chronique/thérapie , Défaillance rénale chronique/complications , Foramen ovale perméable/complications , Foramen ovale perméable/thérapie , Anastomose chirurgicale artérioveineuse/effets indésirables
8.
Exp Clin Transplant ; 22(Suppl 1): 348-353, 2024 Jan.
Article de Anglais | MEDLINE | ID: mdl-38385425

RÉSUMÉ

Paradoxical embolism occurs when a thrombus crosses an intracardiac defect into the systemic circulation. Here, we present the case of a 35-yearold male kidney transplant recipient with a cerebral paradoxical embolism associated with a spontaneous venous thromboembolism. This patient had recurrent deep venous thrombosis and showering emboli to the lung and paradoxically to the brain through patent foramen ovale, and we treated him successfully. The role of bubble echocardiography was essential in diagnosis to avoid contrast-induced nephropathy. This is the first successfully managed case of a kidney transplant recipient with recurrent idiopathic deep vein thrombosis, pulmonary embolism, and cerebral paradoxical embolism. Bubble echocardiography was an excellent alternative to contrast angiography to avoid nephrotoxicity. Vitamin K antagonists are superior to direct oral anticoagulants, especially among nonadherent/noncompliant patients.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Transplantation rénale , Embolie pulmonaire , Thrombose veineuse , Humains , Mâle , Adulte , Embolie paradoxale/imagerie diagnostique , Embolie paradoxale/étiologie , Embolie paradoxale/chirurgie , Transplantation rénale/effets indésirables , Embolie pulmonaire/imagerie diagnostique , Embolie pulmonaire/traitement médicamenteux , Embolie pulmonaire/étiologie , Thrombose veineuse/imagerie diagnostique , Thrombose veineuse/traitement médicamenteux , Thrombose veineuse/étiologie , Foramen ovale perméable/complications , Anticoagulants/usage thérapeutique
9.
Eur Rev Med Pharmacol Sci ; 28(3): 1027-1035, 2024 Feb.
Article de Anglais | MEDLINE | ID: mdl-38375707

RÉSUMÉ

OBJECTIVE: The purpose of this study was to evaluate the relationship between the right-to-left shunt of the patent foramen ovale and the risk score for paradoxical embolism in cryptogenic stroke, as well as the risk factors for the development of cryptogenic stroke. PATIENTS AND METHODS: A retrospective analysis was performed on 257 patients with cryptogenic stroke who were diagnosed and treated in our hospital from February 2020 to January 2022 as a study group, and 98 patients who were diagnosed and treated at the Department of Neurology in our hospital at the same time and excluded from stroke, were selected as the control group. Transcranial Doppler ultrasound acoustic contrast testing was used to grade right-to-left shunts of patent foramen ovale. Clinical information of individuals who had cryptogenic strokes was examined. The correlation between the right-to-left shunt of patent foramen ovale and the risk score for both cryptogenic stroke and paradoxical embolism was analyzed. The factors affecting the occurrence of cryptogenic stroke were investigated. The correlation between right-to-left shunt and paradoxical embolism risk score was explored. Receiver operator characteristic curve (ROC) analysis was used to evaluate each factor's clinical usefulness in predicting the occurrence of cryptogenic stroke. RESULTS: No difference was observed in the history of hypertension, low-density lipoprotein, C-reactive protein and fibrinogen between the control group and the study group (p<0.05). In the study group with patent foramen ovale, the proportion of patients with grades I and II of the right-to-left shunt of patent foramen ovale was significantly lower than that in the control group, while the percentage of patients with grades III and IV was obviously greater than that in the control group (p<0.05). Right-to-left shunt grade, C-reactive protein, and fibrinogen were independent risk factors for cryptogenic stroke by logistic multivariate regression analysis (p<0.05). With an increase in the right-to-left shunt of the patent foramen ovale, patients' risk scores for paradoxical embolism increased considerably (p<0.05). In patients with cryptogenic stroke, the right-to-left shunt grade of the patent foramen ovale was positively connected with the paradoxical embolism risk score (r=0.331, p<0.001). ROC analysis results showed that the areas under the curves (AUC) of right-to-left shunt grading, C-reactive protein, and fibrinogen were 0.651, 0.871, and 0.779, respectively. The combination of the three indexes had an AUC of 0.908, a sensitivity of 87.90%, a specificity of 82.70%, and a Youden index of 0.706, indicating a high predictive value of the combination. CONCLUSIONS: The right-to-left shunt of patent foramen ovale was an independent risk factor for cryptogenic stroke, which was positively correlated with the paradoxical embolic risk score. Its combination with clinical serologic indexes had a high clinical value for predicting cryptogenic stroke.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Accident vasculaire cérébral ischémique , Accident vasculaire cérébral , Humains , Foramen ovale perméable/complications , Foramen ovale perméable/imagerie diagnostique , Embolie paradoxale/imagerie diagnostique , Embolie paradoxale/étiologie , Protéine C-réactive , Études rétrospectives , Accident vasculaire cérébral/épidémiologie , Facteurs de risque , Fibrinogène
10.
Ann Cardiol Angeiol (Paris) ; 73(2): 101721, 2024 Apr.
Article de Français | MEDLINE | ID: mdl-38262255

RÉSUMÉ

Coronary artery embolism is an uncommon cause of myocardial infarction (MI). Among several etiologies of coronary embolism, we mention a very rare cause which is the paradoxical embolism via patent foramen ovale (PFO). It interests generally youngest people without cardiac risk factors. We report three cases who presented ST-elevation MI (STEMI) due to paradoxical embolism with high risk PFO that can justify embolic infarction. The aim of this article is to define the high risk PFO, to establish causal link between PFO and embolic events and to guide therapeutic management.


Sujet(s)
Syndrome coronarien aigu , Embolie paradoxale , Embolie , Foramen ovale perméable , Infarctus du myocarde , Infarctus du myocarde avec sus-décalage du segment ST , Humains , Embolie paradoxale/étiologie , Syndrome coronarien aigu/complications , Foramen ovale perméable/complications , Embolie/étiologie , Infarctus du myocarde/étiologie , Infarctus du myocarde avec sus-décalage du segment ST/complications
11.
J Stroke Cerebrovasc Dis ; 33(1): 107448, 2024 Jan.
Article de Anglais | MEDLINE | ID: mdl-37988831

RÉSUMÉ

OBJECTIVES: Transcatheter patent foramen ovale closure lowers recurrent stroke in patients with cryptogenic stroke or transient ischemic attack with an indication for closure. However, the incidence of recurrent stroke is not negligible and underlying pathophysiology remains largely unknown. We sought to evaluate the prevalence of recurrent ischemic neurological events and to assess its predictors after transcatheter patent foramen ovale closure. METHODS: We enrolled consecutive patients who underwent patent foramen ovale closure for secondary prevention of neurological ischemic events at the University Hospital of Parma between 2006 and 2021. Clinical and procedure-related features were collected for each patient. The incidence of recurrent ischemic neurological events was assessed at follow-up. RESULTS: We enrolled a total of 169 patients with mean Risk of Paradoxical Embolism score at hospital admission of 6.4 ± 1.5. The primary indication was previous cryptogenic stroke (94 [55.6 %] subjects), followed by transient ischemic attack (75 [44.4 %]). Among patients with complete outcome data (n= 154), after a median follow-up of 112 months, recurrent cerebral ischemia occurred in 13 [8.4 %], with an annualized rate of 0.92/100 patients. The presence of obesity [OR 5.268, p = 0.018], Risk of Paradoxical Embolism score < 7 [OR 5.991, p = 0.035] and migraine [OR = 5.932 p = 0.012] were independent positive predictors of recurrent stroke/ transient ischemic attack after patent foramen ovale closure. CONCLUSIONS: The presence of obesity, Risk of Paradoxical Embolism score < 7 and migraine were independent positive predictors of recurrent ischemic neurological events after patent foramen ovale closure.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Accident ischémique transitoire , Accident vasculaire cérébral ischémique , Migraines , Accident vasculaire cérébral , Humains , Accident ischémique transitoire/diagnostic , Accident ischémique transitoire/épidémiologie , Accident ischémique transitoire/étiologie , Foramen ovale perméable/complications , Foramen ovale perméable/imagerie diagnostique , Foramen ovale perméable/épidémiologie , Embolie paradoxale/imagerie diagnostique , Embolie paradoxale/épidémiologie , Embolie paradoxale/étiologie , Résultat thérapeutique , Accident vasculaire cérébral/diagnostic , Accident vasculaire cérébral/épidémiologie , Accident vasculaire cérébral/étiologie , Infarctus cérébral/complications , Accident vasculaire cérébral ischémique/complications , Prévention secondaire , Obésité/complications
12.
J Fr Ophtalmol ; 47(1): 104021, 2024 Jan.
Article de Anglais | MEDLINE | ID: mdl-37951744

RÉSUMÉ

PURPOSE: To identify all reported cases of retinal artery occlusion (RAO) associated with patent foramen ovale (PFO) in the literature and present a similar case of CRAO from our clinic. METHODS: PubMed database was searched for studies reporting RAO in individuals with PFO. Relevant data were tabulated and reviewed. We estimated each case's Risk of Paradoxical Embolism (RoPE) score. RESULTS: 23 cases of CRAO (n=10; including ours), BRAO (n=10), and CILRAO (n=3) were reviewed. Most cases were under 50 years of age (78.3%). The reported predisposing factors were: hypertension (26.1%), migraine (17.3%), smoking (13.0%), recent immobilization (13.0%), strenuous exertion (8.7%), pregnancy (8.7%), and diabetes (4.3%). A high RoPE score (≥7; suggestive of paradoxical embolism via PFO) was estimated for 71.4% of patients. In most cases, the neurological and cardiovascular examinations, laboratory studies, and imaging were unremarkable, except for the PFO±atrial septal aneurysm (present in 21.7%). In only 28.6% of cases, transthoracic echocardiography (TTE) (± saline contrast) could visualize the PFO; transesophageal echocardiography (TEE) was necessary to detect the PFO in 71.4%. Approximately one-half of the patients underwent percutaneous closure of the PFO; no complications or subsequent acute ischemic events ensued. The visual prognosis was poorer for CRAO than for BRAO or CILRAO. CONCLUSION: Timely diagnosis, acute management, and ensuring urgent initiation of stroke workup in cases with RAO or transient monocular vision loss are crucial. Clues to a possible paradoxical embolism as the cause include the absence of known cardiovascular risk factors, young age, migraine, recent immobility, vigorous exercise, and pregnancy.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Migraines , Occlusion artérielle rétinienne , Accident vasculaire cérébral , Humains , Embolie paradoxale/diagnostic , Embolie paradoxale/épidémiologie , Embolie paradoxale/étiologie , Foramen ovale perméable/complications , Foramen ovale perméable/diagnostic , Foramen ovale perméable/épidémiologie , Migraines/diagnostic , Migraines/épidémiologie , Migraines/étiologie , Occlusion artérielle rétinienne/diagnostic , Occlusion artérielle rétinienne/épidémiologie , Occlusion artérielle rétinienne/étiologie , Accident vasculaire cérébral/complications , Accident vasculaire cérébral/diagnostic , Adulte d'âge moyen , Adulte
14.
J Stroke Cerebrovasc Dis ; 32(12): 107407, 2023 Dec.
Article de Anglais | MEDLINE | ID: mdl-37804781

RÉSUMÉ

INTRODUCTION: Patent foramen ovale (PFO) occurs in 25% of the general population and in 40% of cryptogenic ischemic stroke patients. Recent trials support PFO closure in selected patients with cryptogenic stroke. We examined the outcomes of transcatheter PFO closure in a real-world study cohort with cryptogenic stroke. METHODS: Consecutive ischemic stroke patients who were classified as cryptogenic on the TOAST aetiology and diagnosed with a PFO were included. All patients underwent either transcatheter PFO closure or medical therapy. A 2:1 propensity score matching by sex and Risk-of-Paradoxical-Embolism (RoPE) score was performed. Multivariable regression models adjusted for sex and RoPE score. RESULTS: Our cohort comprised 232 patients with mean age 44.3 years (SD 10.8) and median follow-up 1486.5 days. 33.2% were female. PFO closure (n=84) and medical therapy (n=148) groups were well-matched with <10% mean-difference in sex and RoPE score. Two patients in the treated group (2.4%) and seven in the control group (4.7%) had a recurrent ischemic stroke event. Multivariable Cox regression demonstrated a hazard-ratio of 0.26 (95%CI 0.03-2.13, P=0.21) for PFO closure compared to control. The incidence of atrial fibrillation (AF) detected post-PFO closure was similar between the treated and control (1.19% vs 1.35%, multivariable logistic regression odds-ratio 0.90, 95%CI 0.04-9.81, P=0.94). There were no major periprocedural complications documented. The difference in restricted mean survival-time free from stroke at two years between treated and control was 26.2 days (95%CI 5.52-46.85, P=0.013). CONCLUSIONS: In this Asian cohort, we report a low incidence of ischemic stroke recurrence and new-onset AF in patients who underwent PFO closure. When compared to the medical therapy group, there was no significant difference in the incidence of stroke recurrence and new-onset AF. Further studies involving larger real-world cohorts are warranted to identify patients who are more likely to benefit from PFO closure.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Accident vasculaire cérébral ischémique , Accident vasculaire cérébral , Humains , Femelle , Adulte , Mâle , Accident vasculaire cérébral ischémique/étiologie , Foramen ovale perméable/complications , Foramen ovale perméable/imagerie diagnostique , Foramen ovale perméable/épidémiologie , Score de propension , Prévention secondaire , Cathétérisme cardiaque/effets indésirables , Récidive , Accident vasculaire cérébral/épidémiologie , Accident vasculaire cérébral/étiologie , Accident vasculaire cérébral/thérapie , Résultat thérapeutique , Embolie paradoxale/étiologie
15.
J Am Heart Assoc ; 12(19): e030359, 2023 10 03.
Article de Anglais | MEDLINE | ID: mdl-37776218

RÉSUMÉ

Background Scarce data exist on sex differences in patients with cryptogenic cerebrovascular events undergoing patent foramen ovale (PFO) closure. This study aimed to determine the sex differences in clinical profile, procedural characteristics, and long-term outcomes of patients with cryptogenic cerebrovascular events undergoing PFO closure. Methods and Results A retrospective cohort was used, including 1076 consecutive patients undergoing PFO closure because of a cryptogenic cerebrovascular event. Patients were divided into 2 groups: 469 (43.6%) women and 607 (56.4%) men. The median follow-up was 3 years (interquartile range, 2-8 years). Women were younger (46±13 versus 50±12 years; P<0.01) and had a higher risk of paradoxical embolism score (6.9±1.7 versus 6.6±1.6; P<0.01). Procedural characteristics and postprocedural antithrombotic therapy were similar. At follow-up, there were no differences in atrial fibrillation (women versus men: 0.47 versus 0.97 per 100 patient-years; incidence rate ratio [IRR], 0.55 [95% CI, 0.27-1.11]; P=0.095; adjusted P=0.901), stroke (0.17 versus 0.07 per 100 patient-years; IRR, 2.58 [95% CI, 0.47-14.1]; P=0.274; adjusted P=0.201), or transient ischemic attack (0.43 versus 0.18 per 100 patient-years; IRR, 2.58 [95% CI, 0.88-7.54]; P=0.084; adjusted P=0.121); nevertheless, women exhibited a higher incidence of combined ischemic cerebrovascular events (0.61 versus 0.26 per 100 patient-years; IRR, 2.58 [95% CI, 1.04-6.39]; P=0.041; adjusted P=0.028) and bleeding events (1.04 versus 0.45 per 100 patient-years; IRR, 2.82 [95% CI, 1.41-5.65]; P=0.003; adjusted P=0.004). Conclusions Compared with men, women with cryptogenic cerebrovascular events undergoing PFO closure were younger and had a higher risk of paradoxical embolism score. After a median follow-up of 3 years, there were no differences in stroke events, but women exhibited a higher rate of combined (stroke and transient ischemic attack) cerebrovascular events and bleeding complications. Additional studies are warranted to clarify sex-related outcomes after PFO closure further.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Accident ischémique transitoire , Dispositif d'occlusion septale , Accident vasculaire cérébral , Humains , Femelle , Mâle , Accident ischémique transitoire/épidémiologie , Accident ischémique transitoire/étiologie , Foramen ovale perméable/complications , Foramen ovale perméable/épidémiologie , Foramen ovale perméable/chirurgie , Caractères sexuels , Embolie paradoxale/épidémiologie , Embolie paradoxale/étiologie , Études rétrospectives , Accident vasculaire cérébral/épidémiologie , Accident vasculaire cérébral/étiologie , Accident vasculaire cérébral/prévention et contrôle , Cathétérisme cardiaque/effets indésirables , Dispositif d'occlusion septale/effets indésirables , Résultat thérapeutique
18.
Curr Neurovasc Res ; 20(3): 423-428, 2023.
Article de Anglais | MEDLINE | ID: mdl-37622702

RÉSUMÉ

BACKGROUND: Through an analysis of the risk factors associated with patent foramen ovale (PFO)-related stroke (PS), we aimed to modify the Risk of Paradoxical Embolism (RoPE) to assess the risk of PS. METHODS: A retrospective collection of ischemic stroke (IS) patients with PFO admitted to the Department of Neurology at Beijing Chaoyang Hospital was conducted. The patients were classified into PS and non-PS groups. PS risk factors and RoPE scoring were analyzed based on clinical data, laboratory indicators, and imaging data. Independent risk factors were incorporated into the RoPE scoring system for enhancement. RESULTS: Significant differences were observed between the two groups regarding total cholesterol, low-density lipoprotein-cholesterol (LDL-C), and uric acid levels. The transverse diameter of the left atrium was significantly larger in the non-PS group compared to the PS group. Multivariate logistic regression revealed that higher LDL-C levels and a smaller transverse diameter of the left atrium increased the risk of PS. The modified RoPE score was derived by assigning 1 point each for high LDL-C levels and the absence of transverse diameter enlargement in the left atrium. The area under the curve (AUC) of the receiver operating characteristic (ROC) curves for the classical and modified RoPE score distinguishing PS were 0.661 and 0.798, respectively. CONCLUSION: LDL-C levels and transverse diameter of the left atrium were identified as independent risk factors for PS. The modified RoPE scoring system exhibited superior performance in assessing the risk of PS compared to the original RoPE score.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Accident vasculaire cérébral , Humains , Foramen ovale perméable/complications , Foramen ovale perméable/imagerie diagnostique , Cholestérol LDL , Embolie paradoxale/complications , Embolie paradoxale/imagerie diagnostique , Études rétrospectives , Accident vasculaire cérébral/imagerie diagnostique , Accident vasculaire cérébral/étiologie
19.
Dtsch Med Wochenschr ; 148(14): 908-914, 2023 07.
Article de Allemand | MEDLINE | ID: mdl-37493952

RÉSUMÉ

Thromboembolic disease is associated with a high mortality. It can be divided into two groups: embolism from a venous and embolism from an arterial side. This article gives an overview on thromboembolic disease (with a focus on pulmonary embolism and ischemic stroke) from a cardiologist's perspective.The therapeutic options for acute pulmonary embolism range from anticoagulation to fibrinolysis to interventional recanalization and surgery. The deciding factor for choice of therapy is the risk of early death. Besides clinical parameters, laboratory markers like cardiac troponin and right ventricular function on echocardiography or CTPA (computed tomography pulmonary angiography) are used to determine the early mortality risk. In hemodynamically instable patients, immediate thrombolysis is required, whereas patients with intermediate and low risk can be treated with anticoagulation. Interventional recanalization is currently being studied in patients at risk for development of CTEPH (chronic thromboembolic pulmonary hypertension) or an intermediate risk of early mortality.In ischemic stroke, early interdisciplinary workup involving a cardiologist is paramount. Post stroke screening should include monitoring for arrythmias (especially atrial fibrillation) and transthoracic echocardiography as well as sonography of extra- and intracranial arteries. If no embolic source can be detected (embolic stroke of undetermined source), transesophageal echo can be helpful to detect intracardiac shunts like patent foramen ovale (PFO) or intracardiac tumors. Post stroke care includes secondary prevention measures like risk factor modification and lipid lowering therapy as well as anticoagulation. In high risk for paradoxical embolization, interventional PFO closure can be performed. Interventional closure of the left atrial appendage (LAA) can be discussed in patients with both high thromboembolic and bleeding risk.


Sujet(s)
Embolie paradoxale , Foramen ovale perméable , Accident vasculaire cérébral ischémique , Embolie pulmonaire , Accident vasculaire cérébral , Thromboembolie , Humains , Accident vasculaire cérébral/prévention et contrôle , Thromboembolie/diagnostic , Thromboembolie/thérapie , Thromboembolie/complications , Foramen ovale perméable/complications , Foramen ovale perméable/diagnostic , Foramen ovale perméable/thérapie , Facteurs de risque , Embolie pulmonaire/diagnostic , Embolie pulmonaire/thérapie , Accident vasculaire cérébral ischémique/complications , Anticoagulants/usage thérapeutique , Embolie paradoxale/complications , Embolie paradoxale/diagnostic , Échocardiographie transoesophagienne , Cathétérisme cardiaque/méthodes
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