Publications by authors named "Sadek S"

Pediatric autoimmune neuropsychiatric disorder (PANDAS) is characterized by sudden, dramatic onset obsessive-compulsive disorder (OCD) following a Group A Streptococcus infection. Pediatric acute neuropsychiatric syndrome (PANS) refers to sudden, dramatic onset OCD and/or restricted eating triggered by infections and other inflammatory reactions. A variety of treatments have been utilized for PANS/PANDAS; however, there is no "gold standard" intervention protocol.

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  • Nicotine, a key ingredient in tobacco, is known to affect the immune system and may have both suppressive and inflammatory effects, particularly relevant for women's health during various life stages.
  • There is conflicting evidence about nicotine’s potential health benefits in certain diseases, and its prevalence is high among individuals with comorbid conditions that can impact immune function, which disproportionately affects women.
  • The review emphasizes the need to understand how nicotine influences women's immune health, especially during menopause, and suggests that quitting nicotine should be prioritized in clinical care for women, despite any possible health benefits it may have.
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  • Anthropogenic activities are leading to water contamination, posing risks to human health and ecosystems, prompting the development of a nanotechnological solution for improving aqua fisheries.
  • Magnetic hematite nanoparticles were synthesized using bacillus subtilis and combined with polyvinyl alcohol to create a hydrogel, which effectively decontaminated cadmium-polluted water in fish cultures.
  • The hydrogel reduced water turbidity and cadmium levels in tilapia, improving their health by reversing harmful effects on various biological markers and maintaining cellular integrity.
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  • The study looks at a new method to help control heavy bleeding in trauma patients, using a special balloon to block blood flow temporarily.
  • It compares this method with regular care to see which one is better at keeping patients alive after serious injuries.
  • The research involves patients in major hospitals in the UK and checks various health outcomes over time to find out the best approach for treatment.
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Preclinical models of addictive drugs have been developed for decades to model aspects of the clinical experience in substance use disorders (SUDs). These include passive exposure as well as volitional intake models across addictive drugs and have been utilized to also measure withdrawal symptomatology and potential neurobehavioral mechanisms underlying relapse to drug seeking or taking. There are a number of Food and Drug Administration (FDA)-approved medications for SUDs, however, many demonstrate low clinical efficacy as well as potential sex differences, and we also note gaps in the continuum of care for certain aspects of clinical experiences in individuals who use drugs.

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Objective: To study the role of PGE in regulating plasminogen activator inhibitor-1 (PAI-1) and tissue plasminogen activator (tPA) in human primary endometrial endothelial cells (HEECs) from women with normal menstrual bleeding (NMB) and heavy menstrual bleeding (HMB).

Design: In vitro study using endometrial endothelial cells.

Setting: Research laboratory setting.

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Importance: Hemorrhage is the most common cause of preventable death after injury. Most deaths occur early, in the prehospital phase of care.

Objective: To establish whether prehospital zone 1 (supraceliac) partial resuscitative endovascular balloon occlusion of the aorta (Z1 P-REBOA) can be achieved in the resuscitation of adult trauma patients at risk of cardiac arrest and death due to exsanguination.

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Purpose: To study the effect of brimonidine on vascular density and flow index of optic nerve head (ONH) and macula in primary open angle glaucoma (POAG) using optical coherence tomography angiography (OCTA).

Methods: Twenty-three brimonidine-naïve POAG patients were started on brimonidine. They underwent OCTA ONH and macula before commencing brimonidine and one month thereafter.

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Racial and ethnic health disparities in the incidence and severity of Coronavirus Disease 2019 (COVID-19) have been observed globally and in the United States. Research has focused on transmission, hospitalization, and mortality among racial and ethnic minorities, but Long COVID-19 health disparities research is limited. This study retrospectively evaluated 195 adults who survived COVID-19 associated acute respiratory distress syndrome (C-ARDS) in New York City from March-April 2020.

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Purpose: To study the fellow eyes of patients with unilateral primary congenital glaucoma (PCG) using optical coherence tomography angiography (OCTA) and compare them to normal age- and refractive error-matched healthy controls.

Methods: Using OCTA, the foveal avascular zone (FAZ) area, cup:disk ratio, vessel density (VD) of the optic nerve head (ONH) and peripapillary area and the macular VD in superficial (SCP) and deep vascular complexes in both 3 mm and 6 mm scans of both groups were compared. Clinical data included best-corrected visual acuity (BCVA), cycloplegic refraction, intraocular pressure (IOP), anterior and posterior segments examination findings, including ONH cup:disk ratio.

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Background: Retinopathy of prematurity (ROP) is a leading cause of preventable childhood blindness worldwide. Proper screening for ROP can prevent loss of vision. WINROP (weight, insulin-like growth factor 1, neonatal, retinopathy of prematurity) is an online surveillance system based on gestational age, birth weight and weekly weight gain that can predict infants at risk of sight-threatening retinopathy of prematurity.

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Accurate identification of human leukocyte antigen (HLA) alleles is essential for various clinical and research applications, such as transplant matching and drug sensitivities. Recent advances in RNA-seq technology have made it possible to impute HLA types from sequencing data, spurring the development of a large number of computational HLA typing tools. However, the relative performance of these tools is unknown, limiting the ability for clinical and biomedical research to make informed choices regarding which tools to use.

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Significant progress has been made in cereal production in Bangladesh due to an agricultural policy environment that prioritizes the productivity of staple crops over fruit and vegetables (F&V). However, many smallholder farmers remain poorly connected to markets, which may lead to a limited supply response of F&V that can reduce opportunities for sufficient intake in neglected, consumer-facing, smaller retail markets. To address this issue, aggregation schemes have been conceived that collect and transport F&Vs on behalf of multiple farmers.

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A 10-week feeding experiment was performed to determine the impacts of partial substitution of soybean meal (SB) with pumpkin seed cake (PSC) in diets on water quality, growth rate, antioxidant capacity, immunity, and carcass composition. One hundred and fifty tilapia fish (average weight, 11.93 ± 0.

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  • The recent introduction of xylazine as an adulterant in the fentanyl supply raises concerns about its health impacts, necessitating further research on its effects alongside fentanyl.
  • Research shows that while xylazine reduces fentanyl consumption, both xylazine and lofexidine help diminish signs of fentanyl withdrawal in rats when combined with fentanyl.
  • Notably, weight loss during the withdrawal phase is greater in the xylazine group, suggesting that body weight changes may be a critical factor in assessing withdrawal severity from the xylazine/fentanyl combination.
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  • Patients with primary open angle glaucoma (POAG) exhibit a significant postural blood pressure dip when transitioning to a recumbent position, with more severe glaucoma linked to greater dips.
  • The study measured various blood pressure parameters in 47 POAG patients both sitting and after lying down, categorizing them into different response groups based on the degree of blood pressure dip.
  • Results indicated that those with exaggerated dips had thinner retinal nerve fiber layers, suggesting that abnormal blood pressure responses could serve as an important risk factor for assessing glaucoma severity.
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Prcis: Relative flow indices as novel optical coherence tomography angiography (OCTA) biomarkers demonstrated reduced optic nerve head and peripapillary large vessel and capillary perfusion in primary open angle glaucoma (POAG). Large vessel perfusion correlated with disease severity and progression.

Purpose: To introduce relative flow indices as novel OCTA biomarkers and their pathologic insights in POAG.

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Iron overload (IOL) can cause hepatorenal damage due to iron-mediated oxidative and mitochondrial damage. Remarkably, combining a natural iron chelator with an antioxidant can exert greater efficacy than monotherapy. Thus, the present study aimed to evaluate the efficacy of Chia and CoQ to chelate excess iron and prevent hepatorenal oxidative damage in IOL mice.

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Background: Individuals hospitalized with preterm prelabor rupture of membranes are often advised to limit their activity or adhere to bed rest. Some evidence suggests that greater activity is associated with longer latency and improved outcomes, but no high-quality evidence from a randomized controlled trial exists.

Objective: This study aimed to evaluate whether encouragement to ambulate at least 2000 steps daily affects latency among individuals with preterm prelabor rupture of membranes compared with usual care.

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Individuals with opioid use disorder (OUD) frequently use other substances, including cocaine. Opioid withdrawal is associated with increased likelihood of cocaine use, which may represent an attempt to ameliorate opioid withdrawal effects. Clinically, 30% of co-using individuals take opioids and cocaine exclusively in a sequential manner.

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Importance: Bleeding is the most common cause of preventable death after trauma.

Objective: To determine the effectiveness of resuscitative endovascular balloon occlusion of the aorta (REBOA) when used in the emergency department along with standard care vs standard care alone on mortality in trauma patients with exsanguinating hemorrhage.

Design, Setting, And Participants: Pragmatic, bayesian, randomized clinical trial conducted at 16 major trauma centers in the UK.

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Background: Vascular mechanisms are implicated in many ocular diseases. Therefore, different vascular imaging modalities are used in management of such conditions. Optical coherence tomography angiography (OCTA) has high spatial resolution and segmentable 3D volumetric sampling enabling isolation of retinal and peripapillary vascular beds.

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Background: Coelomic fluid, a pharmacologically active compound in earthworms, exhibits a range of biological activities, including antioxidant, anti-inflammatory, and anticancer. However, the biological activities exerted by the coelomic fluid can be restrained by its low bioavailability and stability. Liposomes are progressively utilized as an entrapment system for natural bioactive compounds with poor bioavailability and stability, which could be appropriate for coelomic fluid.

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