142 results match your criteria: ""Acibadem City Clinic" University Hospital[Affiliation]"

SARS-CoV-2 Infection of the Central Nervous System: A Case Report.

Viruses

December 2024

Department of Medical Oncology, Medical University of Sofia, University Hospital "Tsaritsa Yoanna", 1527 Sofia, Bulgaria.

Central nervous system (CNS) infections caused by SARS-CoV-2 are uncommon. This case report describes the clinical progression of a 92-year-old female who developed a persistent neuroinfection associated with SARS-CoV-2. The patient initially presented with progressive fatigue, catarrhal symptoms, and a fever (38.

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Atrial fibrillation (AF) remains the most common cardiac arrhythmia worldwide and is associated with significant morbidity and mortality. The European Society of Cardiology (ESC)/European Association for Cardio-Thoracic Surgery (EACTS) have recently released the 2024 guidelines for the management of AF. This review highlights 10 novel aspects of the ESC/EACTS 2024 Guidelines.

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Aim: A recent European Heart Rhythm Association (EHRA) practical guide provides guidance on the use of novel digital devices for heart rhythm analysis using either electrocardiogram (ECG) or photoplethysmography (PPG) technology for the diagnosis of atrial fibrillation (AF). This survey assesses physicians' preferences to use digital devices in patients with possible AF and their impact on clinical decision-making.

Methods And Results: Participants of the DAS-CAM III initiated and distributed an online survey assessing physician preferences in using digital devices for the management of AF in different clinical scenarios.

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Takotsubo syndrome (TTS) still remains as an enigmatic phenomenon. In particular, long-term challenges (including clinical recurrence and persistent symptoms) and specific entities in the setting of TTS have been the evolving areas of interest. On the other hand, a significant gap still exists regarding the proper risk-stratification of this phenomenon in the short and long terms.

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In the recent years, there has been a burgeoning interest in Takotsubo syndrome (TTS), which is renowned as a specific form of reversible myocardial dysfunction. Despite the extensive literature available on TTS, clinicians still face several practical challenges associated with the diagnosis and management of this phenomenon. This potentially results in the underdiagnosis and improper management of TTS in clinical practice.

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Article Synopsis
  • - Aneurysmal bone cysts are non-cancerous bone lesions that are highly vascular and can be destructive and expanding.
  • - They primarily occur in young individuals, especially during their teenage years, with a slight increase in frequency among females.
  • - These cysts make up about 1% of all bone tumors, most commonly appearing in long bones, while the spine is less frequently involved.
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Introduction: The reduction of fluoroscopic exposure during catheter ablation of supraventricular arrhythmias is widely adopted by experienced electrophysiology physicians with a relatively short learning curve and is becoming the standard of care in many parts of the world. While observational studies in the United States and some parts of Western Europe have evaluated the minimal fluoroscopic approach, there are scarce real-world data for this technique and the generalizability of outcomes in other economic regions.

Method: The AALARA study is a prospective, observational, multicenter, and multinational open-label study.

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Introduction: Peripheral arterial disease (PAD) is a critical concern, particularly in the context of an aging population and escalating risk factors such as diabetes, hypertension, and smoking. PAD leads to significant morbidity and disability, imposing considerable healthcare and economic burdens. A detailed understanding of the functional outcomes of revascularization is essential as it influences the choice of therapeutic strategies.

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Article Synopsis
  • Neurosurgeons require in-depth knowledge of cerebral arteries' anatomy for safe patient treatment, and the study aimed to create detailed 3D models of this anatomy using dissection data and incorporate it into a virtual reality (VR) environment.!* -
  • The method involved dissecting two formaldehyde-fixed heads, injecting them with colored materials, scanning them using CT, and then using a mobile app for simplified surface scanning to generate high-quality 3D models.!* -
  • The resulting 15 detailed 3D models and their VR integration allow for interactive manipulation and self-study, providing effective educational resources for understanding complex cerebral vascular anatomy.!*
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Gender and contemporary risk of adverse events in atrial fibrillation.

Eur Heart J

September 2024

Institute of Cardiovascular Sciences, University of Birmingham, Medical School, Vincent Drive, Birmingham B15 2TT, UK.

Article Synopsis
  • This study investigates how gender affects decision-making for oral anticoagulation in patients with atrial fibrillation (AF), using a large dataset of over 16 million patients from UK primary care between 2005-2020.
  • It found that in patients aged 40-75 without prior strokes, women had a lower adjusted rate of primary outcomes (death, ischemic stroke, or thromboembolism) compared to men, primarily due to lower mortality rates in women.
  • The study concludes that omitting gender from clinical risk scores could streamline the process of determining which AF patients should receive oral anticoagulation.
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Imaging using cardiac computed tomography (CT) or magnetic resonance (MR) imaging has become an important option for anatomic and substrate delineation in complex atrial fibrillation (AF) and ventricular tachycardia (VT) ablation procedures. Computed tomography more common than MR has been used to detect procedure-associated complications such as oesophageal, cerebral, and vascular injury. This clinical consensus statement summarizes the current knowledge of CT and MR to facilitate electrophysiological procedures, the current value of real-time integration of imaging-derived anatomy, and substrate information during the procedure and the current role of CT and MR in diagnosing relevant procedure-related complications.

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Background: Solitary fibrous tumor/meningeal hemangiopericytoma (SFT/M-HPC) is a rare neoplasm which accounts for around 1% of the intracranial masses. This pathology has a high risk for recurrence and metastasis to distant locations such as the liver, lungs, and bones. Precise diagnosis necessitates detailed histopathological examination.

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Blunt carotid artery injury (BCI) poses a rare yet severe threat following vascular trauma, often leading to significant morbidity and mortality. We present a case of a 33-year-old male who suffered complete thrombotic occlusion of the right common carotid artery (CCA) following a workplace accident. Clinical evaluation revealed profound neurological deficits, prompting multidisciplinary surgical intervention guided by the Denver criteria (Grade I - disruption inside the vessel that results in a narrowing of the lumen by less than 25%; Grade II - dissection or intramural hematoma causing greater than 25% stenosis; Grade III - comprises pseudoaneurysm formation; Grade IV - causes total vessel occlusion; Grade V - describes vessel transection with extravasation).

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Background Neuroanatomy is one of the most complex areas of anatomy to teach to medical students. Traditional study methods such as atlases and textbooks are mandatory but require significant effort to conceptualize the three-dimensional (3D) aspects of the neuroanatomical regions of interest. Objectives To test the feasibility of human anatomy teaching medical students in a virtual reality (VR) immersive environment using photorealistic three-dimensional models (PR3DM) of human anatomy, in a limited anatomical body donation program.

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Objective: The superior eyelid endoscopic transorbital approach (SETOA) provides a direct and short minimally invasive route to the anterior and middle skull base. Nevertheless, it uses a narrow corridor that limits its angles of attack. The aim of this study was to evaluate the feasibility and potential benefits of an "extended" conservative variant of the "standard" endoscopic transorbital approach-termed "open-door"-to enhance the exposure of lesions affecting the paramedian aspect of the anterior and middle cranial fossae.

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Objectives: To collect real-world data about the knowledge and self-perception of young radiologists concerning the use of contrast media (CM) and the management of adverse drug reactions (ADR).

Methods: A survey (29 questions) was distributed to residents and board-certified radiologists younger than 40 years to investigate the current international situation in young radiology community regarding CM and ADRs. Descriptive statistics analysis was performed.

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Lumbar disc herniation (LDH) is a very common cause of low back pain and unilateral radiculopathy. This pathology is traditionally approached via interlaminotomy with variable amounts of bony extensions, such as partial or total facetectomy and disturbance of soft tissue structures. However, the extensive bone removal may be the cause of spinal instability, thus necessitating lumbar fusion procedures in the longer-term perspective.

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Objective: Interventional treatments for acute iliofemoral deep vein thrombosis (DVT) remain controversial after publication of the Acute Venous Thrombosis: Thrombus Removal with Adjunctive Catheter-Directed Thrombolysis (ATTRACT) study. Interventions have been shown to reduce post-thrombotic syndrome severity and improve quality of life in DVT patients, but have been accompanied by risk of major bleeding from thrombolytics. We describe thrombus removal using a novel combined basket-rotational thrombectomy device that minimizes the need for thrombolytics or repeat procedures.

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Background And Objectives: Intraoperative orientation during microsurgery has a prolonged learning curve among neurosurgical residents. Three-dimensional (3D) understanding of anatomy can be facilitated with realistic 3D anatomic models created from photogrammetry, where a series of 2-dimensional images is converted into a 3D model. This study implements an algorithm that can create photorealistic intraoperative 3D models to exemplify important steps of the operation, operative corridors, and surgical perspectives.

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Inhibition of CD40L with Frexalimab in Multiple Sclerosis.

N Engl J Med

February 2024

From the University of Lille, INSERM Unité 1172, Lille Neuroscience and Cognition, Lille University Hospital, University Hospital Federation Precise, Lille (P.V.), and Sanofi, Chilly-Mazarin (S.S., R.B., P.T.) - both in France; Translational Imaging in Neurology Basel, Department of Biomedical Engineering, Faculty of Medicine, and the Neurologic Clinic and Policlinic, MS Center and Research Center for Clinical Neuroimmunology and Neuroscience Basel, University Hospital Basel and University of Basel, Basel, Switzerland (C.G.); the Department of Neurology, Autoimmunity Center of Excellence, University of Michigan Medical Center, Ann Arbor, and the Michigan Institute for Neurological Disorders, Farmington Hills (Y.M.-D.); the Department of Biostatistics, University of Alabama at Birmingham School of Public Health, Birmingham (G.C.); the Department of Neurology, Dnipro State Medical University, Dnipro, Ukraine (O.K.); the Clinic of Neurology and Sleep Medicine, Acibadem City Clinic University Hospital Tokuda, Sofia, Bulgaria (I.S.); the First Department of Neurology, St. Anne's University Hospital, Brno, Czech Republic (M.D.); Sanofi, Cambridge, MA (B.D., E.W.); and Queen Mary University of London, London (G.G.).

Background: The CD40-CD40L costimulatory pathway regulates adaptive and innate immune responses and has been implicated in the pathogenesis of multiple sclerosis. Frexalimab is a second-generation anti-CD40L monoclonal antibody being evaluated for the treatment of multiple sclerosis.

Methods: In this phase 2, double-blind, randomized trial, we assigned, in a 4:4:1:1 ratio, participants with relapsing multiple sclerosis to receive 1200 mg of frexalimab administered intravenously every 4 weeks (with an 1800-mg loading dose), 300 mg of frexalimab administered subcutaneously every 2 weeks (with a 600-mg loading dose), or the matching placebos for each active treatment.

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Carotid stenting may produce significant bradycardia and/or hypotension. This may have negative short- and long-term effects for the elderly high-risk patients. Their cerebral hemodynamics is with exhausted adaptive capacity because of the multiple cardiovascular risk factors, advanced age, and significant stenosis.

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Human papillomaviruses (HPV) are a big group of infection agents with oncogenic potential, especially regarding squamous epithelium. Some high-risk variants are key in the development of squamous cell carcinomas (SCC) across multiple systems, the most affected of which is the female reproductive system, but also parts of the gastrointestinal tract, head, and neck SCC, and cutaneous and pulmonary (bronchogenic) SCCs. In cases where a patient develops two SCCs in different systems, often the main question is whether these tumors are synchronous, metachronous, or if one of the tumors is a metastasis from the other, with HPV testing and stereotype identification often being of aid in differentiating between these.

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Background: Spinal cord hemangioblastomas are benign, highly vascular neoplasms that affect the brain and, rarely, the spinal cord. They can be solitary or as part of von Hippel-Lindau syndrome. Radiosurgery is not a suitable treatment option.

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