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Foramen ovale

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https://www.readbyqxmd.com/read/28106717/air-embolism-diagnosis-clinical-management-and-outcomes
#1
Colin J McCarthy, Sasan Behravesh, Sailendra G Naidu, Rahmi Oklu
Air embolism is a rare but potentially fatal complication of surgical procedures. Rapid recognition and intervention is critical for reducing morbidity and mortality. We retrospectively characterized our experience with air embolism during medical procedures at a tertiary medical center. Electronic medical records were searched for all cases of air embolism over a 25-year period; relevant medical and imaging records were reviewed. Sixty-seven air embolism cases were identified; the mean age was 59 years (range, 3-89 years)...
January 17, 2017: Diagnostics
https://www.readbyqxmd.com/read/28106694/the-endoscopic-prelacrimal-recess-approach-to-the-pterygopalatine-fossa-and-infratemporal-fossa
#2
Li Gao, Lei Zhou, Zhengshou Dai, Xinsheng Huang
PURPOSE: The authors studied the anatomic importance of the endoscopic prelacrimal recess approach (PLRA) to the pterygopalatine fossa (PPF) and infratemporal fossa (ITF). METHODS: Ten adult heads (20 sides) from cadavers fixed in formalin were dissected using the PLRA. Anatomic dissections were detailed and several crucial landmarks measured. RESULTS: Identification of the infraorbital neurovascular bundle is the crucial step for the detection of other branches of the maxillary artery...
January 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28106015/relationship-between-mean-platelet-volume-and-ischemic-stroke-in-patients-with-patent-foramen-ovale
#3
Nermin Bayar, Selçuk Küçükseymen, Zehra Erkal, Ramazan Güven, Erkan Köklü, Çağın Mustafa Üreyen, Şakir Arslan
OBJECTIVE: Patent foramen ovale (PFO) is commonly encountered in patients with cryptogenic stroke. Mean platelet volume (MPV), an indicator of platelet reactivity, has been reported in recent trials to be higher in patients with PFO than in normal population. The aim of this study was to investigate whether there is a difference in MPV between patients with PFO and stroke or transient ischemic attack (TIA) and that of patients with asymptomatic PFO. METHODS: Patients with PFO who were younger than 55 years of age were enrolled in this retrospective study...
January 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28088807/posterior-versus-anterior-circulation-stroke-in-young-adults-a-comparative-study-of-stroke-aetiologies-and-risk-factors-in-stroke-among-young-fabry-patients-sifap1
#4
Bettina von Sarnowski, Ulf Schminke, Ulrike Grittner, Christian Tanislav, Tobias Böttcher, Michael G Hennerici, Turgut Tatlisumak, Jukka Putaala, Manfred Kaps, Franz Fazekas, Christian Enzinger, Arndt Rolfs, Christof Kessler
BACKGROUND: Although 20-30% of all strokes occur in the posterior circulation, few studies have explored the characteristics of patients with strokes in the posterior compared to the anterior circulation so far. Especially data on young patients is missing. METHODS: In this secondary analysis of data of the prospective multi-centre European sifap1 study that investigated stroke and transient ischemic attack (TIA) patients aged 18-55 years, we compared vascular risk factors, stroke aetiology, presence of white matter hyperintensities (WMH) and cerebral microbleeds (CMB) between patients with ischaemic posterior circulation stroke (PCS) and those having suffered from anterior circulation stroke (ACS) based on cerebral MRI...
January 14, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28060326/network-analysis-of-foramen-ovale-electrode-recordings-in-drug-resistant-temporal-lobe-epilepsy-patients
#5
Ancor Sanz-García, Lorena Vega-Zelaya, Jesús Pastor, Cristina V Torres, Rafael G Sola, Guillermo J Ortega
Approximately 30% of epilepsy patients are refractory to antiepileptic drugs. In these cases, surgery is the only alternative to eliminate/control seizures. However, a significant minority of patients continues to exhibit post-operative seizures, even in those cases in which the suspected source of seizures has been correctly localized and resected. The protocol presented here combines a clinical procedure routinely employed during the pre-operative evaluation of temporal lobe epilepsy (TLE) patients with a novel technique for network analysis...
December 18, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28057590/modular-endoscopic-medial-maxillectomies-quantitative-analysis-of-surgical-exposure-in-a-preclinical-setting
#6
Alberto Schreiber, Marco Ferrari, Vittorio Rampinelli, Francesco Doglietto, Francesco Belotti, Davide Lancini, Marco Ravanelli, Luigi Fabrizio Rodella, Marco Maria Fontanella, Piero Nicolai
BACKGROUND: Endoscopic medial maxillectomies (EMM) have been named with different nomenclatures. Aim of the present study was to objectively measure the surgical exposure in a preclinical anatomical setting to validate a classification for modular EMMs. MATERIALS AND METHODS: Six cadaver heads underwent computed tomography and images were uploaded on a dedicated software. A neuronavigation system was used to measure areas and volumes of surgical corridors during dissection...
January 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28053539/complex-neurological-symptoms-in-bilateral-thalamic-stroke-due-to-percheron-artery-occlusion
#7
Paola Caruso, Paolo Manganotti, Rita Moretti
The artery of Percheron is a rare anatomical variant where a single thalamic perforating artery arises from the proximal posterior cerebral artery (P1 segment) between the basilar artery and the posterior communicating artery and supplies the rostral mesencephalon and both paramedian territories of the thalami. Almost one-third of human brains present this variant. Occlusion of the artery of Percheron mostly results in a bilateral medial thalamic infarction, which usually manifests with altered consciousness (including coma), vertical gaze paresis, and cognitive disturbance...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28028400/transcatheter-closure-of-patent-foramen-ovale-a-single-center-experience
#8
Ivan Milev, Planinka Zafirovska, Zan Zimbakov, Shpend Idrizi, Vilma Ampova-Sokolov, Emilija Gorgieva, Liljana Ilievska, Goce Tosheski, Nikola Hristov, Ljubica Georgievska-Ismail, Tanja Anguseva, Zan Mitrev
BACKGROUND: Percutaneous transcatheter closure (PTC) of patent foramen ovale (PFO) is implicated in cryptogenic stroke, transitional ischemic attack (TIA) and treatment of a migraine. AIM: Our goal was to present our experience in the interventional treatment of PFO, as well as to evaluate the short and mid-term results in patients with closed PFO. MATERIAL AND METHODS: Transcatheter closure of PFO was performed in 52 patients (67.3% women, mean age 40...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28027173/the-shape-of-the-foramen-ovale-a-visualization-aid-for-cannulation-procedures
#9
Matthew J Zdilla, Kristen M Fijalkowski
Several neurosurgical procedures, including rhizotomy for the management of trigeminal neuralgia, cannulate the foramen ovale (FO) to access intracranial structures. Cannulation procedures, including those utilizing neuronavigational technology, are occasionally complicated by anatomical variation of the FO, sometimes resulting in miscannulation and subsequent adverse events. The FO, while commonly thought of as oval-shaped, has also been described as "almond," "banana," "D shape," "pear," and "triangular." Because of the importance of the FO in neurosurgical procedures and the misunderstanding of FO shape, the aim of this study is to objectively describe the shape of the FO and its most likely shape variation...
December 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28024853/inferior-vena-cava-compression-as-a-novel-maneuver-to-detect-patent-foramen-ovale-a%C3%A2-transesophageal-echocardiographic-study
#10
Eiji Yamashita, Tomoyuki Murata, Eri Goto, Takeshi Fujiwara, Takehito Sasaki, Kentaro Minami, Kohki Nakamura, Koji Kumagai, Shigeto Naito, Kazuomi Kario, Shigeru Oshima
BACKGROUND: The Valsalva maneuver, the most sensitive test for patent foramen ovale (PFO) detection, is difficult during transesophageal echocardiography (TEE), especially after sedation. The aim of this study was to compare PFO detection effectiveness between inferior vena cava (IVC) compression and the Valsalva maneuver. METHODS: A total of 293 patients with paroxysmal atrial fibrillation undergoing TEE before initial atrial fibrillation ablation were prospectively enrolled...
December 23, 2016: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28024095/recent-development-of-transcatheter-closure-of-atrial-septal-defect-and-patent-foramen-ovale-with-occluders
#11
REVIEW
Baiyu Tang, Feng Su, Xiangke Sun, Qin Wu, Quansheng Xing, Suming Li
Atrial septal defect (ASD) and patent foramen ovale (PFO) are common clinical congenital heart defects. As an effective method for the treatment of ASD and PFO, transcatheter closure with occluders presents many advantages, including safety, ease of operation, minimal invasiveness, and reduced complications. This contribution reviews the various types of occluders currently used in clinical applications and under development, including non degradable occluders, partially degradable occluders, and totally degradable occluders...
December 26, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28018828/paradoxical-embolus-stuck-in-a-patent-foramen-ovale
#12
Zaki Kohistani, Chris Probst
In-hospital mortality rate of an embolus in transit is as high as 44.7%. In some cases, a paradoxical embolus can get stuck in a patent foramen ovale. Because of the high mortality rate, this condition should be considered as an emergency case. Echocardiography has been established as the gold standard method for the diagnosis. A negative echocardiography, however, does not rule out an embolus in transit. To rule out pulmonary embolisms, a computed tomography scan of the chest should also be performed. A cardiothoracic surgeon should be consulted immediately upon diagnosis of an embolus in transit...
December 2016: Thoracic and Cardiovascular Surgeon Reports
https://www.readbyqxmd.com/read/28011759/-end-stage-heart-failure-therapy-potential-lessons-from-congenital-heart-disease-from-pulmonary-artery-banding-and-interatrial-communication-to-parallel-circulation
#13
REVIEW
Dietmar Schranz, Hakan Akintuerk, Norbert F Voelkel
The final therapy of 'end-stage heart failure' is orthotopic heart, lung or heart-lung transplantation. However, these options are not available for many patients worldwide. Therefore, novel therapeutical strategies are needed. Based on pathophysiological insights regarding (1) the long-term impact of an obstructive pulmonary outflow tract in neonates with congenitally corrected transposition of the great arteries, (2) the importance of a restrictive versus a non-restrictive atrial septum in neonates born with a borderline left ventricle and (3) the significance of both, a patent foramen ovale and/or open ductus arteriosus for survival of newborns with persistent pulmonary hypertension, the current review introduces some therapeutical strategies that may be applicable to selected patients with heart failure...
December 23, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28005784/angular-relationship-between-the-foramen-ovale-and-the-trigeminal-impression-percutaneous-cannulation-trajectories-for-trigeminal-neuralgia
#14
Matthew J Zdilla, Scott A Hatfield, Kelsey R Mangus
The debilitating pain of trigeminal neuralgia often necessitates neurosurgical intervention via percutaneous transovale cannulation. While most percutaneous treatments of trigeminal neuralgia are successful, severe adverse events resulting from failure to properly cannulate the foramen ovale (FO) have been reported. With regard to specific targeting of particular trigeminal divisions (ie, V1, V2, V3, and combinations thereof), operative techniques have been described; however, these descriptions have not included specific angulation data...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005781/narrow-foramen-ovale-and-rotundum-a-role-in-the-etiology-of-trigeminal-neuralgia
#15
Pengfei Liu, Wenxiang Zhong, Chenlong Liao, Ming Liu, Wenchuan Zhang
Primary trigeminal neuralgia (TN) may occasionally occur in absence of neurovascular compression. A mechanism other than nerovascular compression may play a role in TN. High-resolution computed tomographies (CTs) of 21 consecutive TN patients without vascular compression during surgery and 30 healthy volunteers were retrospectively performed. Measuring parameters (length, width, and aspect ratio) were obtained in the axial plane for foramen ovale, and in the reconstructed coronal plane for foramen rotundum on both sides in each subject...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28003417/development-of-the-atrial-septum-in-relation-to-postnatal-anatomy-and-interatrial-communications
#16
REVIEW
Bjarke Jensen, Diane E Spicer, Mary N Sheppard, Robert H Anderson
The atrial septum is probe patent in some 30% of the population, and is prone to have overt defects. Atrial septation is the coming together of several myocardial structures and mesenchymal tissues of intracardiac and extracardiac origin that must change identity to myocardium. We propose that the propensity for malformation of the atrial septum reflects this complicated morphogenesis. The morphogenesis of the atrial septum initiates from a ridge of mesenchyme, only a few hundred micrometres long, in the roof of the undivided atrial cavity...
December 21, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28003014/antiplatelet-and-anticoagulation-therapy-in-structural-heart-disease-interventions-beyond-tavi
#17
Manolis Vavuranakis, Konstantinos Dean Boudoulas, Ourania Katsarou, Dimitrios A Vrachatis, Konstantinos I Kalogeras, Theodore G Papaioannou, Gerasimos Siasos, Evangelos Oikonomou, George Lazaros, Michael-Andreas Vavuranakis, Spyridon Deftereos, Dimitrios Tousoulis
Transcatheter interventions for structural heart disease represent an emerging field in interventional cardiology. Undoubtedly, there is an absolute necessity for antiplatelet and/or anticoagulation treatment prior, during and post such interventions. However, currently administered regimens are mainly based in expert consensus recommendations. In the present review we aim to summarize data regarding anti platelet and/or anticoagulation treatment in the following transcatheter structural heart interventions: left atrial appendage closure, atrial septal defect closure, patent foramen oval closure, paravalvular leak closure...
December 21, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27998316/decompressive-craniectomy-for-malignant-middle-cerebral-artery-infarction-in-a-16-year-old-boy-a-case-report
#18
Simon Lammy, Paul Fivey, Meharpal Sangra
BACKGROUND: Cryptogenic stroke frequently occurs in younger patients and has a high risk of recurrence. Consequently, secondary prevention is often suboptimal as there is no known risk factor to target. This case demonstrates an unexpected finding of middle cerebral artery infarction and extensive malignant transformation in a 16-year-old boy more than a day post-admission. The lack of a proven culprit lesion makes this case even more intriguing and subsequently raises questions of cryptogenic mechanisms in the context of unrelated trauma...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27993750/amplatzer-versus-figulla-occluder-for-transcatheter-patent-foramen-ovale-closure
#19
Daniela Trabattoni, Achille Gaspardone, Gregory A Sgueglia, Franco Fabbiocchi, Gaetano Gioffrè, Piero Montorsi, Giuseppe Calligaris, Maria Iamele, Antonella De Santis, Antonio L Bartorelli
AIMS: To compare in a observational study acute and 12-month results of percutaneous closure of patent foramen ovale (PFO) with two occluder devices. METHODS AND RESULTS: Between June 2007 and October 2014, 406 consecutive patients (48.1±13.3 years, 243 women) underwent percutaneous PFO closure either with the Amplatzer (n=179) or the Figulla (n=227) device after a stroke or a transient ischemic attack ascribed to the PFO. A right-to- left shunt grade >1 was previously detected in all patients and atrial septal aneurysm was present in 111 (27...
December 20, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27982351/surgical-treatment-for-thrombus-straddling-a-patent-foramen-ovale
#20
Marcos Aurélio Barboza de Oliveira, Amália Tieco da Rocha Sabbag, Antônio Carlos Brandi, Carlos Alberto Dos Santos, Paulo Henrique Husseni Botelho, Franz Andrei Patriarcha, Domingo M Braile
We present a case of a 41-year-old female with deep vein thrombosis after abdominal surgery. The patient quickly developed severe pulmonary embolism and stroke representative of paradoxical embolism. Echocardiography showed a thrombus straddling a patent foramen ovale, which was confirmed intraoperatively. An accurate diagnosis and rapid treatment decisions are crucial for preventing patient deterioration in the form of new pulmonary embolisms or stroke.
September 2016: Brazilian Journal of Cardiovascular Surgery
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