Publications by authors named "Bentes C"

Article Synopsis
  • Adenosine acts as a natural anticonvulsant through adenosine receptors (AR), but developing drugs that target these receptors has been challenging due to potential cardiac side effects.
  • The study examined the effects of a selective AR agonist called MRS5474 on excitatory and inhibitory signals in the hippocampus, using both rodent and human tissue samples.
  • Results showed that MRS5474 does not affect normal excitatory signals but enhances GABAergic currents in tissue from patients with epilepsy, suggesting its potential as a targeted antiseizure medication through activation of AR in epileptic conditions.
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This study aims to review the proposed methodologies and reported performances of automated algorithms for seizure forecast. A systematic review was conducted on studies reported up to May 10, 2024. Four databases and registers were searched, and studies were included when they proposed an original algorithm for automatic human epileptic seizure forecast that was patient specific, based on intraindividual cyclic distribution of events and/or surrogate measures of the preictal state and provided an evaluation of the performance.

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Article Synopsis
  • The study investigated the risk of acute symptomatic seizures in patients who experience recurrent strokes compared to those having their first stroke, looking at data from stroke patients over a 5-year period.
  • The findings revealed that the risk of seizures was similar for both groups, with 5.1% for recurrent stroke patients and 4.5% for first-time patients, suggesting prior stroke history doesn’t increase seizure risk.
  • Other factors like age, sex, and hemorrhagic changes were linked to seizures only in first-time stroke patients, indicating different risk profiles between the two groups; further research in larger studies is encouraged to validate these results.
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Introduction: Circadian rhythms (CRs) orchestrate intrinsic 24-hour oscillations which synchronize an organism's physiology and behaviour with respect to daily cycles. CR disruptions have been linked to Parkinson's Disease (PD), the second most prevalent neurodegenerative disorder globally, and are associated to several PD-symptoms such as sleep disturbances. Studying molecular changes of CR offers a potential avenue for unravelling novel insights into the PD progression, symptoms, and can be further used for optimization of treatment strategies.

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This study shows the development of a software for calculating the number of nursing team members required for providing care during the coronavirus disease 2019 pandemic. Study about the development of a technology based on the literature about data and indicators. The indicators were systematized in the following dimensions: institutional, professional, and occupational structure, all with a focus on coronavirus disease 2019.

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Objective: Short-term outcomes of deep brain stimulation of the anterior nucleus of the thalamus (ANT-DBS) were reported for people with drug-resistant focal epilepsy (PwE). Because long-term data are still scarce, the Medtronic Registry for Epilepsy (MORE) evaluated clinical routine application of ANT-DBS.

Methods: In this multicenter registry, PwE with ANT-DBS were followed up for safety, efficacy, and battery longevity.

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Article Synopsis
  • After having a stroke, some people might have seizures, which can affect their ability to drive safely.
  • Researchers studied over 4,400 stroke survivors to figure out their risk of having a seizure in the next year using the SeLECT model.
  • The results showed that people without seizures right after their stroke have a lower risk, while those with seizures have a much higher risk, and tools like apps can help decide if they can drive safely.
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Introduction: Epilepsy affects around 50 million people worldwide and is associated with lower quality of life scores, an increased risk of premature death, and significant socio-economic implications. The lack of updated evidence on current epidemiology and patient characterization creates considerable uncertainty regarding the epilepsy burden in Portugal. The study aims to characterize and quantify the epilepsy patients who have been hospitalized, with medical or surgical procedures involved, and to analyze their associated comorbidities and mortality rates.

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Head and neck free-flap microvascular surgeries are complex and resource-intensive procedures where proper conduct of anaesthesia plays a crucial role in the outcome. Flap failure and postoperative complications can be attributed to multiple factors, whether surgical- or anaesthesia-related. The anesthesiologist should ensure optimised physiological conditions to guarantee the survival of the flap and simultaneously decrease perioperative morbidity.

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The PreEpiSeizures project was created to better understand epilepsy and seizures through wearable technologies. The motivation was to capture physiological information related to epileptic seizures, besides Electroencephalography (EEG) during video-EEG monitorings. If other physiological signals have reliable information of epileptic seizures, unobtrusive wearable technology could be used to monitor epilepsy in daily life.

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Background: Cerebrovascular disease (CVD) is a major contributor to epilepsy; however, patients with epilepsy also have a significantly increased risk of stroke. The way in which epilepsy contributes to the increased risk of stroke is still uncertain and is ill-characterized in neuropathological studies. A neuropathological characterization of cerebral small vessel disease (cSVD) in patients with chronic epilepsy was performed.

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Objective: Epilepsy is a neurological disease that affects ~50 million people worldwide, 30% of which have refractory epilepsy and recurring seizures, which may contribute to higher anxiety levels and poorer quality of life. Seizure detection may contribute to addressing some of the challenges associated with this condition, by providing information to health professionals regarding seizure frequency, type, and/or location in the brain, thereby improving diagnostic accuracy and medication adjustment, and alerting caregivers or emergency services of dangerous seizure episodes. The main focus of this work was the development of an accurate video-based seizure-detection method that ensured unobtrusiveness and privacy preservation, and provided novel approaches to reduce confounds and increase reliability.

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Importance: Acute symptomatic seizures occurring within 7 days after ischemic stroke may be associated with an increased mortality and risk of epilepsy. It is unknown whether the type of acute symptomatic seizure influences this risk.

Objective: To compare mortality and risk of epilepsy following different types of acute symptomatic seizures.

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There is currently no evidence to support the use of antiseizure medications to prevent unprovoked seizures following stroke. Experimental animal models suggested a potential antiepileptogenic effect for eslicarbazepine acetate (ESL), and a Phase II, multicenter, randomized, double-blind, placebo-controlled study was designed to test this hypothesis and assess whether ESL treatment for 1 month can prevent unprovoked seizures following stroke. We outline the design and status of this antiepileptogenesis study, and discuss the challenges encountered in its execution to date.

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Background And Objectives: The efficacy of deep brain stimulation of the anterior nucleus of the thalamus (ANT DBS) in patients with drug-resistant epilepsy (DRE) was demonstrated in the double-blind Stimulation of the Anterior Nucleus of the Thalamus for Epilepsy randomized controlled trial. The Medtronic Registry for Epilepsy (MORE) aims to understand the safety and longer-term effectiveness of ANT DBS therapy in routine clinical practice.

Methods: MORE is an observational registry collecting prospective and retrospective clinical data.

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Individuals with lower-limb amputations may have a significant strength deficit. This deficit may be related to the stump length and can lead to changes in gait, reduced energy efficiency, walking resistance, altered joint load, and increased risk of osteoarthritis and chronic low back pain. This systematic review used the Preferred Reporting Items for Systematic Reviews and Meta-Analyzes (PRISMA) guidelines to examine the effects of resistance training in lower limb amputees.

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Article Synopsis
  • The research involved 850 adults from nine international epilepsy centers, focusing on those who were seizure-free besides minor types before withdrawing medication post-surgery.
  • Predictive models were created to determine the risk of seizures returning, with key factors being certain types of seizures after surgery, prior history of specific seizures, the timing of medication withdrawal, and the number of meds taken at surgery, showing a moderate level of accuracy in predicting outcomes.
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Article Synopsis
  • The study compared how the order of resistance exercises (multi-joint to single-joint vs. single-joint to multi-joint) affects thyroid hormone responses in healthy men.
  • Blood samples were taken at various intervals post-exercise to measure levels of thyroid-stimulating hormone (TSH), triiodothyronine (T3), and thyroxine (T4).
  • Findings indicated that exercise order significantly influenced hormone levels, particularly showing that the multi-joint to single-joint order elicited different hormonal responses compared to the opposite order within certain time frames.
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Background: Decompressive surgery has proven to be lifesaving in patients with a malignant anterior circulation ischemic stroke. Recently, some studies have shown a high frequency of epileptic seizures in patients undergoing this procedure. However, the quantification of this risk and its associated factors have not been extensively investigated.

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Objectives: This study examined the association between handgrip strength and body composition, physical fitness, and biomarkers in postmenopausal women with metabolic syndrome.

Methods: A total of 75 postmenopausal women were diagnosed with metabolic syndrome participated in this study. Muscle strength was assessed via a hydraulic grip strength dynamometer; physical fitness tests included a timed-up-and-go, arm curl test, and 30-s chair stand.

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