178 results match your criteria: "Medical Faculty of Masaryk University[Affiliation]"

Pharmacological interventions for the acute treatment of hyperkalaemia: A systematic review and meta-analysis.

Resuscitation

January 2025

Department of Anaesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark. Electronic address:

Background: Hyperkalaemia is a life-threatening electrolyte disturbance and also a potential cause of cardiac arrest. The objective was to assess the effects of acute pharmacological interventions for the treatment of hyperkalaemia in patients with and without cardiac arrest.

Methods: The review was reported according to PRISMA guidelines and registered on PROSPERO (CRD42023440553).

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Pre-implantation Scalp EEG Can Predict VNS Efficacy in Children.

Clin EEG Neurosci

December 2024

Behavioral and Social Neuroscience Research Group, CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic.

Vagal nerve stimulation (VNS) is a therapeutical option for the treatment of drug-resistant epileptic patients. The response to VNS varies from patient to patient and is difficult to predict. The proposed study is based on our previous work, identifying relative mean power in pre-implantation EEG as a reliable marker for VNS efficacy prediction in adult patients.

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Background: We examined the clinical effectiveness of molnupiravir in reducing deaths in a real-world cohort of adult patients with COVID-19 during the Omicron outbreak.

Methods: This was a population-wide retrospective cohort study in the Czech Republic. We analyzed all 74 541 patients with an officially registered diagnosis of SARS-CoV-2 infection between 1 January and 31 December 2022, aged 18 years or older, treated with molnupiravir.

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Background And Aim: Diabetes has been shown in last decades to be associated with a significantly higher mortality among patients with ST-segment elevation myocardial infarction (STEMI) treated with primary PCI (PPCI). Therefore, the aim of current study was to evaluate the impact of diabetes on times delays, reperfusion and mortality in a contemporary STEMI population undergoing PPCI, including treatment during the COVID pandemic.

Methods And Results: The ISACS-STEMI COVID-19 is a large-scale retrospective multicenter registry involving PPCI centers from Europe, Latin America, South-East Asia and North-Africa, including patients treated from 1st of March until June 30, 2019 and 2020.

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Article Synopsis
  • About 95% of AGCT cases carry the FOXL2 p.C134W mutation, while TERT promoter alterations are associated with worse survival outcomes.
  • This study analyzed 183 primary and 44 recurrent AGCTs, revealing potential prognostic implications of FOXO1 mutations and confirming high rates of FOXL2 mutations, while uncovering various other genetic mutations associated with AGCT recurrence.
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Long-Term Prognosis of Coronary Aneurysms: Insights of CAAR, an International Registry.

JACC Cardiovasc Interv

November 2024

Interventional Cardiology, Hospital Clínico San Carlos, IdISSC, Madrid, Spain; Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain; Cardiology, Hospital Universitario de Torrejón, Madrid, Spain; Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, Madrid, Spain. Electronic address:

Article Synopsis
  • Researchers studied 1,729 patients with coronary artery aneurysms (CAAs) to understand their clinical characteristics and predict outcomes, using data from an international registry across 9 countries.
  • The majority of patients were male (78.6%) averaging 66 years old, with significant cardiovascular issues such as coronary artery disease (85.8%) and a median of 1 aneurysm per patient, primarily affecting the left anterior descending artery.
  • During a median follow-up of about 45 months, 21.9% of patients died, and 37.1% experienced major adverse cardiovascular events; factors like age, diabetes, and kidney disease were linked to worse outcomes.
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Article Synopsis
  • This study analyzes 37 ovarian Sertoli-Leydig cell tumors (SLCT) with a focus on their morphology, immunohistochemistry, and molecular features, categorizing them into well, moderately, and poorly differentiated tumors.
  • High levels of sex cord markers were found, along with variable expression of other markers, and notable mutations like DICER1 (54.5%) and FOXL2 (6%) were identified, suggesting important diagnostic and predictive implications.
  • Differences in mRNA expression profiles between DICER1 and non-DICER1 tumors highlight the distinct molecular characteristics of SLCTs, indicating that well-differentiated tumors could represent a unique subtype apart from the others.
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Reconstruction of large post-traumatic segmental femoral defects using vascularised bone flaps: a retrospective case series.

BMC Musculoskelet Disord

November 2024

Centre for Endoscopic, Surgical and Clinical Anatomy (CESKA), Second Faculty of Medicine, Charles University, V Úvalu 84, Prague, Praha, 150 06, Czech Republic.

Background: Large femoral defects after trauma, femoral non-unions, fractures complicated by osteomyelitis or defects after bone tumour resection present high burden and increased morbidity for patient and are challenging for reconstructive surgeons. Defects larger than 6 cm and smaller defects after failed spongioplasty are suitable for reconstruction using a free, eventually a pedicled vascularised bone flap. The free fibular flap is preferred but an iliac crest free flap or a pedicled medial femoral condyle flap can be also used.

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Background: Hypertension is the most prevalent cardiovascular risk factor, with several detrimental effects on the cardiovascular system. Contrasting results have been reported so far on its prognostic role in patients admitted for ST-segment elevation myocardial infarction (STEMI). Therefore, we investigated the impact of hypertension on short-term mortality in a large multicenter contemporary registry of STEMI patients, including patients treated during COVID-19 pandemic.

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Article Synopsis
  • The study investigates how individual differences in subjective visual sensitivity, which causes discomfort from intense visual stimuli, relate to neurotransmitters like glutamate and GABA in healthy participants.
  • While men and women experienced different levels of visual distortions, women reported more discomfort, with factors like the menstrual cycle influencing comfort scores.
  • Overall, the research suggests that baseline neurotransmitter levels may not significantly affect visual sensitivity, but biological sex plays an important role in how individuals react to visual stimuli.
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The prognosis of stage IA cervical cancer: Subgroup analysis of the SCCAN study.

Gynecol Oncol

December 2024

Gynecologic Oncology Center, Department of Obstetrics and Gynecology, First Faculty of Medicine, Charles University and General University Hospital (Central and Eastern European Gynecologic Oncology Group, CEEGOG), Prague, Czech Republic. Electronic address:

Article Synopsis
  • People with T1a cervical cancer usually do well, but there's still a chance their cancer might come back, and doctors need better guidance on how to manage this.
  • A study looked at over 900 patients from different hospitals to find out more about the chances of cancer returning after surgery.
  • The study found that only 4.1% of patients had their cancer return, and it happened more often in certain groups, showing that certain things like lymphovascular space invasion (LVSI) can change the risk.
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On a Hunt for the "True" Septocutaneous Perforator: A Histology Cross-Section Study.

J Reconstr Microsurg

November 2024

Division of Plastic Surgery, St. Luke's Hospital, Sacred Heart Campus, Allentown, Pennsylvania.

Background:  Modern trends in reconstructive surgery involve the use of free perforator flaps to reduce the donor site morbidity. The course of perforator vessels has a great anatomic variability and demands detailed knowledge of the anatomical relationships and the variability of the course of the perforators. The numerous modifications to perforator nomenclature proposed by various authors resulted in confusion rather than simplification.

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Article Synopsis
  • Percutaneous treatment for structural heart disease is advancing quickly, with the EAPCI's Core Curriculum defining crucial competencies for new interventional cardiologists specializing in this area.
  • These specialists, trained in interventional cardiology, manage adult patients and perform various procedures, requiring skills in advanced imaging and planning software, with a focus on the aortic, mitral, and tricuspid valves.
  • Comprehensive training in all three areas typically takes at least 18 months, supporting consistent education across Europe, which will eventually influence certifications and patient safety measures.
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Aim: The aim of this study was to assess whether the use of sentinel lymph node (SLN) in addition to lymphadenectomy was associated with survival benefit in patients with early-stage cervical cancer.

Methods: International, multicenter, retrospective study.

Inclusion Criteria: cervical cancer treated between 01/2007 and 12/2016 by surgery only; squamous cell carcinoma, adenocarcinoma, adenosquamous carcinoma, FIGO 2009 stage IB1-IIA2, negative surgical margins, and laparotomy approach.

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Article Synopsis
  • Complete revascularization is the standard treatment for older STEMI patients with multivessel disease, offering benefits shown in the FIRE trial, though long-term effects remain uncertain.
  • A meta-analysis of several randomized clinical trials analyzed data from 1733 patients aged 75 and older, comparing complete versus culprit-only revascularization strategies.
  • Results indicated that complete revascularization significantly reduced the risk of cardiovascular death or myocardial infarction in the long term, but did not show a difference in overall death rates compared to culprit-only revascularization.
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Background: Stathmin, a cytosolic microtubule-destabilizing phosphoprotein involved in the regulation of mitosis, is widely expressed in various malignancies and acts as an adverse prognostic factor. Our research analyzed its immunohistochemical expression on a large cohort of ovarian sex cord-stromal tumors, evaluating its potential utility in differential diagnosis, prognosis, and therapeutic application.

Methods: We examined 390 cases of ovarian sex cord-stromal tumors including 281 adult granulosa cell tumors (AGCT), 5 juvenile granulosa cell tumors (JGCT), 33 Sertoli-Leydig cell tumors (SLCT), 50 fibromas/thecomas (F/T), 11 Leydig cell tumors/steroid cell tumors (LCT/SterCT), 5 sex-cord stromal tumors NOS (SCST-NOS), 3 Sertoli cell tumors (SCT), and 2 sclerosing stromal tumors (ScST).

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Article Synopsis
  • The percutaneous treatment of structural heart disease (SHD) is advancing quickly, with the EAPCI's Core Curriculum (CC) defining the necessary competencies for newly trained interventional cardiologists (IC).
  • SHD interventional cardiologists manage adult patients throughout the entire treatment process, requiring skills in advanced imaging and planning software, as well as proficiency in procedures related to the aortic, mitral, and tricuspid heart valves.
  • Completing specialized SHD training typically takes at least 18 months, though it can be shortened to 1 year for focused training on specific areas, with the goal of promoting standardized, high-quality training across Europe for better patient care and future certifications.
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Article Synopsis
  • The INCORPORATE trial aimed to determine if an invasive approach (routine coronary angiography and revascularization) is better than conservative treatment for patients with treated critical limb ischemia.
  • Conducted as a randomized study, it compared outcomes between patients receiving optimal medical therapy versus those undergoing invasive procedures, measuring myocardial infarction and mortality over one year.
  • Results showed similar rates of heart attacks and death in both groups, but the conservative approach had a trend toward higher major adverse cardiac events, suggesting potential benefits of the invasive strategy for some patients.
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A recent development in the psychological and neuroscientific study of consciousness has been the tendency to conceptualize consciousness as a multidimensional phenomenon. This narrative review elucidates the notion of dimensionality of consciousness and outlines the key concepts and disagreements on this topic through the viewpoints of several theoretical proposals. The reviewed literature is critically evaluated, and the main issues to be resolved by future theoretical and empirical work are identified: the problems of dimension selection and dimension aggregation, as well as some ethical considerations.

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The current knowledge about the immunohistochemical features of adult granulosa cell tumor (AGCT) is mostly limited to the "traditional" immunohistochemical markers of sex cord differentiation, such as inhibin, calretinin, FOXL2, SF1, and CD99. Knowledge about the immunohistochemical markers possibly used for predictive purpose is limited. In our study, we focused on the immunohistochemical examination of 290 cases of AGCT classified based on strict diagnostic criteria, including molecular testing.

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Body size interacts with the structure of the central nervous system: A multi-center in vivo neuroimaging study.

bioRxiv

May 2024

Division of Clinical Behavioral Neuroscience, Department of Pediatrics, Masonic Institute for the Developing Brain, University of Minnesota, Minneapolis, MN, USA.

Article Synopsis
  • Clinical research typically requires careful study designs that account for variables like sex and age, but often overlooks body size factors like height and weight in neuroimaging studies.
  • This study analyzed data from 267 healthy adults to explore how body height and weight relate to various brain and spinal cord MRI metrics, finding significant correlations, especially with brain gray matter volume and cervical spinal cord area.
  • The results suggest that body size is an important biological variable that should be included in clinical neuroimaging study designs to enhance accuracy in understanding brain and spinal cord structures.
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High frequency oscillations in human memory and cognition: a neurophysiological substrate of engrams?

Brain

September 2024

BioTechMed Center, Brain & Mind Electrophysiology laboratory, Department of Multimedia Systems, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, Gdansk 80-233, Poland.

Article Synopsis
  • Recent research has identified high frequency oscillations (60-250 Hz) in the brain as key neural patterns connected to cognitive functions like memory processing.
  • These oscillations occur during different stages of memory, including encoding, maintenance, and recall, suggesting they play a crucial role in setting up and retrieving memories.
  • Although the exact mechanisms behind these oscillations and their physiological roles are still unclear, they present a promising area for exploring how memories are formed and potentially treated in cognitive disorders.
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Consecutive or selectively included high bleeding risk patients in the MASTER DAPT screening log and trial.

Eur J Intern Med

August 2024

Cardiocentro Ticino Institute, Ente Ospedaliero Cantonale (EOC), Università della Svizzera Italiana, CH-6900, Lugano, Switzerland; The Faculty of Biomedical Sciences, University of Italian Switzerland (USI), CH-6900 Lugano, Switzerland; The University of Bern, Bern, Switzerland. Electronic address:

Article Synopsis
  • The study aimed to evaluate the prevalence of high bleeding risk (HBR) characteristics in patients who underwent percutaneous coronary intervention (PCI) and assess the representativeness of the MASTER DAPT trial data.
  • Out of 2,847 patients screened, 38.6% were identified as HBR, but only 9.9% consented to participate in the trial, revealing differences in HBR characteristics between consenting and non-consenting patients.
  • The findings highlight significant selection biases, as the characteristics of HBR patients in the trial differed notably from those in the overall patient population, indicating that trial results may not fully reflect real-world scenarios.
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Ticagrelor vs Clopidogrel for Complex Percutaneous Coronary Intervention in Chronic Coronary Syndrome.

JACC Cardiovasc Interv

February 2024

Sorbonne Université, ACTION Study Group, INSERM UMRS1166, Hôpital Pitié-Salpêtrière (AP-HP), Paris, France.

Article Synopsis
  • The study aimed to assess the effectiveness of ticagrelor versus clopidogrel in preventing cardiovascular events among chronic coronary syndrome patients undergoing complex percutaneous coronary interventions (PCI).
  • Among 1,866 patients in the trial, nearly half were identified as having complex PCI, which was associated with significantly higher rates of myocardial infarction and other complications.
  • Despite the increased risk associated with complex PCI, ticagrelor did not demonstrate any advantage over clopidogrel in reducing these adverse events.
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