Publications by authors named "Mohamed ElKasaby"

Background: The primary objective of this study was to assess the benefit of cancer-directed surgery (CDS) on both overall survival (OS) and cancer-specific survival (CSS) of patients with malignant major salivary gland cancers (MMSGCs). The secondary objective was to explore the benefits of adjuvant therapy on the survival outcomes of these patients.

Methods: Patients diagnosed with MMSGC were extracted from the SEER database and subsequently categorized into two cohorts: CDS and non-CDS.

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  • The study compares the safety and efficacy of the MitraClip and PASCAL systems for treating mitral regurgitation (MR), finding limited differences.
  • A total of eight studies involving 1,612 patients were analyzed, showing no significant variation in MR severity reduction between the two devices.
  • Both devices demonstrated similar safety and procedural success, though PASCAL showed a slight trend toward better MR reduction, but without statistically significant results.
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Transcatheter aortic valve replacement has emerged as an effective alternative to surgery in selected patients with aortic stenosis. It needs to be made clear which type of valve has better results in patients with small aortic annulus. We searched PubMed, Scopus, Embase, Cochrane Library, and Web of Science, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement.

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  • Cervical dystonia (CD) is a common neurological condition, with about one-third of patients also experiencing tremors in their head and hands, complicating diagnosis and treatment.
  • Researchers analyzed data from over 3,100 CD patients across various continents using machine learning to identify clinical features predicting the presence and nature of neck tremor.
  • Key findings revealed that increased severity of CD, longer disease duration, and older age were strong predictors of neck tremor, with notable differences in tremor characteristics based on gender and the involvement of other body parts.
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Background: Alcohol septal ablation (ASA) is recommended for moderate to severe symptomatic patients with hypertrophic obstructive cardiomyopathy. The current guidelines don not recommend particular alcohol doses and the amount of alcohol injected into the septal artery is based more on the interventionalist's decision rather than on systematic evidence. Our objective is to execute a comprehensive assessment of the efficacy and safety of low alcohol doses (1-2 ml)) in comparison to large ones (2-4 ml).

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Background: Eplerenone and spironolactone, recognized as mineralocorticoid receptor antagonists (MRAs), have been reported to improve clinical prognosis among individuals diagnosed with heart failure (HF). However, the difference in the clinical effects between eplerenone and spironolactone in individuals with HF remains uncertain. We aimed to assess the impact of eplerenone compared to spironolactone on clinical outcomes within the HF population.

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Background: Emergency cholecystectomy is the mainstay in treating acute cholecystitis (AC). In actual practice, perioperative prophylactic antibiotics are used to prevent postoperative infectious complications (PIC), but their effectiveness lacks evidence. We aim to investigate the efficacy of prophylactic antibiotics in emergency cholecystectomy.

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Background: Retrospective studies suggest that spinal movement disorders, especially tonic spasms, are prevalent in NMOSD. However, there have been no prospective studies evaluating spinal movement disorders in NMOSD, MOGAD, and idiopathic transverse myelitis (ITM).

Methods: Patients referred to a tertiary neuroimmunology clinic for spinal cord demyelination (excluding MS) were evaluated.

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This systematic review aims to consolidate findings from current clinical trials that compare the effectiveness of insulin infusion at 0.05 IU/kg/h versus 0.1 IU/kg/h in managing pediatric diabetic ketoacidosis.

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Background: The Vi-diphtheria toxoid typhoid conjugate vaccine (Vi-DT) has shown promising results in preventing typhoid fever in children under 2 years of age. However, a thorough assessment of its safety and immunogenicity is required to inform vaccination strategies. This systematic review and meta-analysis aimed to determine the safety and immunogenicity of Vi-DT in children below 2 years.

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  • - This systematic review compared transcatheter aortic valve implantation (TAVI) and surgical aortic valve replacement (SAVR) specifically for patients with pure aortic regurgitation, highlighting conflicting previous studies.
  • - The analysis included data from six studies involving over 33,000 patients and found comparable in-hospital mortality rates but significantly lower rates of stroke, acute kidney injury, and major bleeding with TAVI.
  • - Although TAVI led to better safety outcomes and shorter hospital stays, it also resulted in a higher rate of pacemaker implantation compared to SAVR.
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Introduction: The implantable cardioverter-defibrillator (ICD) was designed to detect and treat ventricular arrhythmias, which account for nearly half of all cardiovascular fatalities. Transvenous ICD (TV-ICD) complications were reduced by introducing subcutaneous ICD (S-ICD). S-ICD can be implanted using a three (3IT)- or two (2IT)-incision technique.

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  • * Genetic variations significantly influence the frequency, onset age, and symptoms of prion diseases, and there is a focus on genetic prion diseases for clinical care and testing.
  • * Research is ongoing into experimental treatments that target prion protein production, showing promise for managing all forms of prion disease, including in individuals who have genetic mutations but show no symptoms.
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Purpose Of Review: To review the pathophysiology of hypertension in Alzheimer's disease and related dementias and explore the current landscape of clinical trials involving treatment of hypertension to improve cognition.

Recent Findings: Hypertension is increasingly recognized as a contributor to cognitive impairment. Clinical trials that explore blood pressure reductions with cognitive outcomes have been promising.

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Background: Rare cases of coexisting multiple sclerosis and parkinsonism have been reported in the literature. However, the true prevalence, clinical characteristics, and causal relation between the two entities have not been systematically evaluated.

Objective: To evaluate the prevalence of parkinsonism in patients with multiple sclerosis and examine the causal relationship, if any.

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Background And Objectives: To evaluate residual symptoms after all-cause autoimmune encephalitis in a real-life outpatient setting and compare long-term outcome measures. A secondary objective was to identify correlates of poor outcomes.

Methods: We analyzed patients referred to the Neuroimmunology clinic for evaluation of autoimmune encephalitis for whom standardized data were collected.

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Postural instability and balance impairment are common in Parkinson's disease (PD). Multiple factors, such as increased tone, bradykinesia, freezing of gait, posture, axial stiffness, and involuntary appendicular movements, can affect balance. The recent studies found that PD patients have abnormal perception of self-motion in vestibular domain.

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Background MOG-IgG-associated disease (MOGAD) in adults typically presents as a monophasic or relapsing optic, spinal, or opticospinal neuroinflammatory syndrome. Current recommendations discourage testing for MOG-IgG in patients with clinical or paraclinical findings more typical of MS, or in patients with a progressive clinical course. However, this approach may impede identification of the full phenotypic spectrum of this recently described disorder.

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Objectives: Parkinson's disease (PD) commonly affects visuospatial navigation causing postural instability and falls. Our overarching aim was to examine the visual and vestibular systems governing visuospatial navigation in PD. We hypothesize that PD affects vestibular and visual motion perception but to a different extent.

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The syndrome of oculopalatal tremor (OPT) featuring the olivo-cerebellar hypersychrony leads to disabling pendular nystagmus and palatal myoclonus. This rare disorder provides valuable information about the motor physiology and offers insights into the mechanistic underpinning of common movement disorders. This focused review summarizes the last decade of OPT research from our laboratory and addresses three critical questions: 1) How the disease of inferior olive affects the physiology of motor learning? We discovered that our brain's ability to compensate for the impaired motor command and implement errors to correct future movements could be affected if the cerebellum is occupied in receiving and transmitting the meaningless signal.

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