Publications by authors named "El-Salem K"

Background: Gait deficits are common among people with multiple sclerosis (PwMS). Therefore, investigating factors that may influence walking in PwMS is important. Previous studies in older adults and other neurological populations demonstrated the relationship between sleep quality and gait performance.

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  • Recent studies show astrocytes play a key role in neuroinflammatory diseases like multiple sclerosis (MS), interacting with both CNS components and immune cells.
  • Due to challenges in obtaining human astrocytes, their specific role in MS is not fully understood, prompting the development of an in vitro model in this study.
  • Findings indicate that when treated with CSF from MS patients, astrocytes exhibit reduced pro-inflammatory markers while increasing neuroprotective growth factors, suggesting they help mitigate inflammation in MS.
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Background: Poststroke depression among patients is well-recognized, while caregiver depression is understudied. The interaction between patient and caregiver depression is also unclear.

Methods: This cross-sectional and follow-up study recruited 108 patient-caregiver dyads after the first-ever stroke.

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  • The study aimed to evaluate how topical lidocaine gel affects discomfort during nerve conduction studies (NCS) compared to a placebo gel (K-Y gel).
  • A total of 130 patients participated, with one palm treated with lidocaine while the other received K-Y gel, and pain levels were measured through two pain scales.
  • Results demonstrated that patients experienced significantly less pain with lidocaine gel, particularly in certain subgroups, although the overall clinical relevance of the findings may require further exploration and better drug delivery methods.
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Fear of falling (FOF) is highly prevalent in people with Parkinson's disease (PwPD) and contributes to high fall risk. Studies reporting on the relationship between falls, FOF, and non-motor factors such as cognitive function and sleep quality in Parkinson's disease are limited. This study aimed to investigate (1) the relationship of cognitive function and sleep quality with FOF, and history of falls in PwPD; (2) differences in cognitive function and sleep quality between Parkinson's disease fallers and non-fallers; and (3) a cut-off score for cognitive function and sleep quality to discriminate Parkinson's disease fallers from non-fallers.

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Unlabelled: Guillain-Barré syndrome (GBS) is a major cause of acute flaccid paralysis that is encountered in all geographical areas. Very limited data about this syndrome has been reported from the Arab countries. This study is the first one trying to describe the clinical features and management outcomes of GBS in the Jordanian population.

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  • - The study examines the psychological impact of the COVID-19 pandemic on healthcare workers (HCWs) by comparing depressive symptoms between two groups: one month after the pandemic began and one year later.
  • - Data from 422 HCWs showed a significant increase in the prevalence and severity of depression over the year, with 41.7% of the one-year group meeting criteria for major depressive disorder, compared to 31.8% in the onset group.
  • - Various factors such as age, marital status, income, and job role were linked to higher depression scores, highlighting that younger, unmarried individuals and medical professionals directly dealing with COVID-19 patients faced the greatest psychological challenges.
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  • The COVID-19 pandemic has severely affected the mental health and quality of life of healthcare providers (HCPs), leading to issues like insomnia, burnout, and functional impairment.
  • A study was conducted through online surveys one month after the pandemic began and a year later, assessing HCPs’ insomnia, burnout levels, and functional impairment using specific assessment tools.
  • Results showed a significant prevalence of insomnia and burnout among HCPs in both surveys, with risk factors identified such as age, income, working hours, and perceived institutional support, highlighting an increase in burnout symptoms over the year.
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  • The study focused on adapting and translating the King's PD Pain Scale (KPPS) into Arabic (A-KPPS) to assess pain in Parkinson's disease patients.
  • The A-KPPS was tested on 103 Arabic-speaking PD patients, revealing three main pain factors and showing strong correlations with measures of disease severity, depression, anxiety, and quality of life.
  • The A-KPPS proved to have good validity and reliability, making it a useful tool for assessing pain in Arabic-speaking individuals with Parkinson's disease globally.
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Chemotherapy-induced peripheral neuropathy (CIPN) is a significant adverse effect of many anticancer drugs. Current strategies for the management of CIPN pain are still largely unmet. The aim of this study is to investigate the antinociceptive potential of combining tramadol with the synthetic cannabinoid WIN55212, and to evaluate their associated adverse effects, separately or in combination, in a CIPN rat model, and to investigate their ability to modulate the transient receptor potential vanilloid 1 (TRPV1) receptor activity.

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Chronic pain has a debilitating consequences on health and lifestyle. The currently available analgesics are often ineffective and accompanied by undesirable adverse effects. Although adenosine receptors (AR) activation can affect nociceptive, inflammatory, and neuropathic pain states, the specific regulatory functions of its subtypes (A, A, A and A ARs) are not fully understood.

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Background: Bipolar disorder (BD) is a psychiatric disorder characterized by episodes of depression and mania, associated with impaired emotion processing. Several functional MRI (fMRI) studies have been used to investigate the structural and functional alteration in BD. Here, we aim to investigate the current fMRI findings of brain activation during emotion-regulation tasks between BD patients and healthy controls (HC).

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Background: Migraine is a primary headache disorder that causes debilitating throbbing pain. Several functional MRI (fMRI) and voxel-based morphometry (VBM) studies have been used to investigate the structural and functional alteration in migraine. Here, we aim to study the converged brain regions of functional and structural abnormalities in gray matter volume (GMV) associated with pain processing and management in migraineurs and healthy controls (HC).

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Background: Sleep has been considered as a critical brain state that affects various body functions relevant to physiotherapy (PTs) practice such as motor learning and relearning, pain management, and cognitive function. Despite the importance of sleep for successful rehabilitation outcomes, sleep is often overlooked by PTs.

Objective: The purpose of this study was to assess the attitude and perception of PTs on the need to assess sleep and provide education about sleep for their patients, as well as the perceived need for PTs to be educated on sleep topics.

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We assessed whether stroke severity, functional outcome, and mortality in patients with ischemic stroke differed between patients with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and those without. We conducted a prospective, single-center cohort study in Irbid, North Jordan. All patients diagnosed with ischemic stroke and SARS-CoV-2 infection were consecutively recruited from October 15, 2020, to October 16, 2021.

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This study investigates the changes in prevalence estimates, severity, and risk factors of anxiety among healthcare workers (HCWs) over the first year of the COVID-19 pandemic. A survey was distributed among HCWs using snowball sampling, collecting their socio-demographics, occupation, and anxiety symptoms as measured by the Generalized Anxiety Disorder-7 (GAD-7) scale. It was distributed one month after the pandemic’s onset in Jordan between 15 and 30 April 2020 (onset group) and after one year between 15 and 30 March 2021 (one-year group).

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Background: People with Parkinson's (PwP) are suffering from reduced exercise capacity. However, little information is known about clinical correlates of exercise capacity in this population.

Objective: This study aimed to evaluate correlations between motor and non-motor symptoms with exercise capacity in PwP.

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Poststroke depression (PSD) is common and remains a significant risk factor for poor outcomes. This prospective study is aimed at assessing the prevalence, severity, and predictors of PSD among Jordanian stroke survivors. A total of 151 patients who were consequently admitted to a tertiary teaching hospital with ischemic or hemorrhagic strokes were enrolled.

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Background: Assessing physical activity (PA) in people with multiple sclerosis (PwMS) is essential to follow-up the recommended PA level. The International Physical Activity Questionnaire (IPAQ) and the Incidental and Planned Exercise Questionnaire (IPEQ) have been widely used, but their validity has not been investigated previously in PwMS.

Objective: This study aimed to assess the convergent and criterion validity of the IPAQ and the IPEQ in PwMS.

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Objective: Neurorehabilitation that involves learning new motor skills is one of the promising clinical methods for motor recovery in people with multiple sclerosis (PwMS); therefore, factors that influence the acquisition of motor skills in PwMS need to be investigated. Sleep disturbances are common in PwMS; however, no study has investigated the effect of sleep and sleep-related biomarkers on skill acquisition in PwMS. This study aimed to examine the effect of sleep and sleep-related biomarkers on motor acquisition in PwMS.

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Objective: To describe the mortality difference between acute ischemic stroke (AIS) and non-AIS groups within COVID-19 patients.

Materials & Methods: We included observational studies through September 2020 that categorized COVID-19 patients into two groups (with and without AIS).

Results: Eight studies with a total sample size of 19,399 COVID-19 patients were included.

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Objective: This study aimed to evaluate the motor and non-motor factors associated with sit-to-stand performance in people with Multiple Sclerosis (PwMS).

Design: Observational cross-sectional study.

Subjects: A total of 88 individuals with MS participated in this study.

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Background And Purpose: Assessing functional status in people with multiple sclerosis (PwMS) has a major role in determining how to help patients to reach their optimal level of living independently in the community. The Frenchay Activity Index (FAI) is a commonly used scale to evaluate functional status in rehabilitation research and practice settings. The aim of this study was to translate the FAI into the standard Arabic language through the process of cross-cultural adaptation and to explore the internal consistency and construct validity of the produced Arabic version of FAI (A-FAI) among a sample of Arabic-speaking PwMS.

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  • * The most common abnormalities included sinus tachycardia, premature ventricular contractions, and atrial fibrillation (Afib), with Afib being notably more prevalent in females.
  • * Key factors associated with EKG abnormalities were older age, a history of epilepsy or seizures, and whether the EEG was conducted for evaluating seizures/epilepsy or syncope, prompting neurologists to pay closer attention to EKG findings during EEG testing.
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COVID-19 serological antibody tests are recently needed for a relatively quick, affordable, and valuable assessment of the immunity toward COVID-19 infection. Furthermore, they can help with evaluating the sufficiency of the vaccination process and its longevity. There are limitations in the current approach of choosing the positive and negative control samples for the validation of those tests.

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