1,328 results match your criteria: "Hospital Da Luz[Affiliation]"

Article Synopsis
  • Posterior reversible encephalopathy syndrome (PRES) is a rare neurological condition characterized by symptoms like headache, visual loss, impaired mental status, and seizures, often reversible with timely management.* -
  • It commonly occurs during hypertensive crises, renal issues, or immunosuppressive therapy, yet reports in anesthesiology are scarce.* -
  • A case of a 46-year-old male undergoing elective eye surgery developed PRES, leading to delayed emergence from anesthesia and blindness, underscoring the need for anesthesiologists to recognize and diagnose PRES promptly using MRI to prevent long-term neurological damage.*
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Malignant mesothelioma (MM) of the tunica vaginalis is an exceedingly rare neoplasm, with fewer than 300 cases reported in the medical literature. Due to its rarity, epidemiology, and risk factors are still unclear, and it is unknown whether asbestos or chronic inflammatory conditions play a role in etiology. This case study presents a 70-year-old male patient with MM of the tunica vaginalis, detailing the diagnostic challenges, treatment procedures, and eventual progression to palliative care.

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Protamine sulfate is a standard agent used to reverse heparin anticoagulation during cardiovascular procedures such as coronary artery bypass grafting (CABG). Although rare, it can be associated with severe adverse reactions. We present a case of a 68-year-old male with type 2 diabetes, who was on insulin lispro protamine and underwent elective CABG.

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Context: Modern medicine aims to ensure a world in which all people experience a good end of life as an integral part of their life journey. A good end-of-life experience means dying with dignity and receiving the best healthcare based on scientific evidence.

Objective: This study aims to reach a consensus about the contents of a comprehensive instrument based on the 10/40 Model of the International Collaborative for the Best Care for the Dying Person for evaluating inpatients facing imminent death in Portuguese internal medicine wards and a proposal for anticipatory medication for symptom control in inpatient and home care settings.

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Surgery often leads to bleeding associated with hypofibrinogenemia. Supplementation with fibrinogen concentrate appears to be effective and safe, although findings from studies are inconsistent. The primary aim of this study was to assess the safety of fibrinogen concentrate during the perioperative period.

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Background: The possibility of preventing inflammatory bowel disease (IBD) is becoming more plausible due to advances in understanding preclinical disease and successful prevention trials in other immune-mediated diseases, such as type 1 diabetes and rheumatoid arthritis. However, before that possibility becomes reality, several efforts need to occur in parallel and in a coordinated way.

Aim: To propose some critical steps necessary for advancing the field of IBD prediction and prevention.

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Purpose: To analyze the quality of vision of patients implanted bilaterally with the multifocal Precizon Presbyopic intraocular lens (IOL), as well as to evaluate the visual performance provided by the lens.

Setting: Vissum Miranza Alicante.

Design: Prospective multicenter study.

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Article Synopsis
  • Robotic magnetic navigation (RMN)-guided catheter ablation (CA) technology has been effectively used for nearly 20 years in treating heart rhythm disorders, showing benefits like greater catheter stability and safety.
  • This consensus paper aims to compile current knowledge and offer guidelines on utilizing RMN-guided CA for conditions like atrial fibrillation (AF) and ventricular arrhythmias (VA).
  • The expert group reviewed literature and shared experiences to create a structured set of recommendations, addressing practical aspects of RMN use in clinical settings for optimal patient care.
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Preserved working memory performance along with subcortical modulation during peri-ictal phases in spontaneous migraine attacks.

Headache

March 2025

ISR-Lisboa/LARSyS, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal.

Objective: To analyze cognitive performance and brain activation during a working memory task in patients with migraine during various phases of the migraine cycle and compare to healthy participants.

Background: Cognitive difficulties reported during migraine attacks remain poorly understood, despite evidence that the lateral frontoparietal network undergoes reversible disturbances and decreased activation during attacks. Recent findings in resting state functional magnetic resonance imaging suggest that brain areas involved in this network interact with subcortical regions during spontaneous migraine attacks.

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Article Synopsis
  • Sudden cardiac death (SCD) in athletes is a serious issue, and this study aimed to analyze SCD cases in Portugal over the last 20 years to better understand its incidence.
  • The research included a comprehensive search for cases and involved contacting sports federations, identifying 42 instances of SCD, predominantly among males aged around 27, with most cases occurring in outdoor sports during competitions.
  • The overall incidence of SCD was low, at 0.39 cases per 100,000 athletes per year, highlighting the need for better data collection practices to understand the causes and contexts of these tragic events.
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Digital health in cardiovascular medicine: An overview of key applications and clinical impact by the Portuguese Society of Cardiology Study Group on Digital Health.

Rev Port Cardiol

February 2025

Serviço de Cardiologia, Hospitais da Universidade de Coimbra, Unidade Local de Saúde de Coimbra, Coimbra, Portugal; Faculdade de Medicina, Universidade de Coimbra, Coimbra, Portugal.

Digital health interventions including telehealth, mobile health, artificial intelligence, big data, robotics, extended reality, computational and high-fidelity bench simulations are an integral part of the path toward precision medicine. Current applications encompass risk factor modification, chronic disease management, clinical decision support, diagnostics interpretation, preprocedural planning, evidence generation, education, and training. Despite the acknowledged potential, their development and implementation have faced several challenges and constraints, meaning few digital health tools have reached daily clinical practice.

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Sensitisation to Lep d 2- Lepidoglyphus destructor allergy in asthma and rhinitis.

Eur Ann Allergy Clin Immunol

October 2024

Department of Immunoallergology, Arrábida Local Unit of Health, Hospital de São Bernardo, Setúbal, Portugal.

Article Synopsis
  • Mites, especially Storage Mites (SM), play a significant role in allergic diseases like asthma and rhinitis, affecting about 1.5% of the global population, with a focus on their impact in urban areas, particularly the Mediterranean.
  • The study examined patients monosensitised to the major allergen Lep d 2, using advanced allergy testing methods, finding that a notable percentage of these individuals primarily suffer from allergic rhinitis, with some also exhibiting asthma symptoms.
  • Results indicate that sensitisation to Lep d 2, while showing lower sIgE levels compared to polysensitised patients, plays an important role in persistent allergic respiratory conditions, underlining the need
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Patients in delirium require trustful communication and re-orientation. We developed a flyer with positive, re-orientating suggestions for families of delirious patients in intensive care units. Suggestions include creating a safe environment, interpreting unusual behaviours positively and fostering mental resilience.

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Background: Diverticulitis is experiencing a significant increase in prevalence and its widespread in-hospital management results in a high burden on healthcare systems worldwide. This study compared inpatient and outpatient approach of acute non-complicated diverticulitis using a non-selected population in a real-world setting.

Methods: This observational retrospective study included all consecutive patients from two Portuguese institutions diagnosed between January 2017 and December 2021 with non-complicated diverticulitis according to the modified Hinchey Classification.

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Subclinical left ventricular dysfunction in rheumatoid arthritis: findings from the prospective Porto-RA cohort.

Clin Res Cardiol

September 2024

Department of Cardiology, Unidade Local de Saúde de Santo António, Largo Do Prof. Abel Salazar, 4099-001, Porto, Portugal.

Aim: Patients with rheumatoid arthritis (RA) have an increased risk of cardiac dysfunction and heart failure (HF) due to a pro-inflammatory state. Detecting cardiac dysfunction in RA is challenging as these patients often present preserved ejection fraction (EF) but may have subclinical ventricular dysfunction. Echocardiographic strain analysis is a promising tool for early detection of subclinical left ventricular systolic dysfunction (LVSD).

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The Role of NK and T Cells in Endometriosis.

Int J Mol Sci

September 2024

Department of Obstetrics and Gynecology, Hospital da Luz Lisboa, Luz Saúde, 1500-650 Lisboa, Portugal.

Endometriosis, a debilitating condition, affects one in ten women of reproductive age. Its pathophysiology remains unclear, though deficiencies in immune surveillance are thought to create an environment conducive to the evasion of ectopic endometrial cells from the immune system. Our research explores the immunological impact of endometriosis both locally and systemically, emphasizing natural killer (NK) and T cell subpopulations.

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Decoding Breast Cancer: Using Radiomics to Non-Invasively Unveil Molecular Subtypes Directly from Mammographic Images.

J Imaging

September 2024

Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências, Universidade de Lisboa, 1649-004 Lisbon, Portugal.

Breast cancer is the most commonly diagnosed cancer worldwide. The therapy used and its success depend highly on the histology of the tumor. This study aimed to explore the potential of predicting the molecular subtype of breast cancer using radiomic features extracted from screening digital mammography (DM) images.

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Lung cancer is the most common cause of cancer death in Portugal. The Dutch-Belgian lung cancer screening (LCS) study (NELSON), the biggest European LCS study, showed a lung cancer mortality reduction in a high-risk population when being screened. In this study, the cost-effectiveness of LCS, based on the NELSON study protocol and outcomes, was evaluated compared with no screening in Portugal.

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MRI for Rectal Cancer: Updates and Controversies- Expert Panel Narrative Review.

AJR Am J Roentgenol

September 2024

Department of Radiology, University of Sao Paulo, R. Dr. Ovidio Pires de Campos, 75-Cerqueira Cesar, Sao Paulo, 05403-010, SP, Brazil.

Article Synopsis
  • - Rectal MRI plays a vital role in diagnosing and managing rectal cancer, aiding in staging, restaging, and ongoing monitoring to enhance treatment decisions.
  • - Despite its importance, there are significant challenges in standardizing how rectal MRI is interpreted, especially as treatment approaches for rectal cancer continue to change, including nonoperative options.
  • - The review highlights recent advancements and debates around the use of rectal MRI, focusing on tumor localization, current acquisition methods, and efforts to streamline and improve imaging protocols.
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: Jump test assessment is commonly used for physical tests, with different type of devices used for its evaluation. The purpose of the present study was to examine the validity and reliability of a freely accessible mobile application (VertVision, version 2.0.

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Article Synopsis
  • About one-third of Portuguese patients with congenital hypogonadotropic hypogonadism (CHH) have a genetic cause linked to 10 different genes, with a small percentage showing oligogenic inheritance.
  • CHH leads to delayed puberty and infertility due to issues with hormones like GnRH, LH, and FSH.
  • In a study involving 81 patients and 263 controls, genetic screening helped identify pathogenic variants, but many variants classified as uncertain complicate the understanding of the disease causes.
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The femoroacetabular contact force and pressure are increased in the anterosuperior segment of the acetabulum in femoroacetabular impingement syndrome. We developed a special device for femoroacetabular contact force measurement in hip arthroscopy and present the surgical technique for measuring femoroacetabular contact force in the intact joint with a cam morphology and after cam resection, with the hip in different positions in a cadaver specimen. The device is introduced into the joint peripheral compartment.

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The European Fans in Training (EuroFIT) program integrated need-supportive motivational strategies from Self-Determination Theory (SDT) in the design of a healthy lifestyle program delivered to overweight or obese male football fans (n = 1113; mean age of 45.9 [SD = 9.0] years old and BMI of 33.

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Heart rhythm management is a continuously evolving sub-speciality of cardiology. Every year, many physicians and allied professionals (APs) start and complete their training in cardiac implantable electronic devices (CIEDs) or electrophysiology (EP) across the European Heart Rhythm Association (EHRA) member countries. While this training ideally ends with an EHRA certification, the description of the learning pathway (what, how, when, and where) through an EHRA core curriculum is also a prerequisite for a successful training.

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Involvement of the cerebellum in structural connectivity enhancement in episodic migraine.

J Headache Pain

September 2024

Institute for Systems and Robotics - Lisboa and Department of Bioengineering, Instituto Superior Técnico, University of Lisbon, Lisbon, Portugal.

Article Synopsis
  • The study aims to explore the structural connectivity of the brain, particularly the cerebellum, in individuals with episodic migraine without aura compared to healthy controls.
  • The research involved 14 female migraine patients and 15 healthy females, using advanced MRI techniques to analyze brain connectivity and compare results.
  • Findings revealed increased structural connectivity in migraine patients, particularly in the cerebellum, with implications for understanding migraine pathophysiology and its association with brain network efficiency.
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