Publications by authors named "Ismail Ahmed"

Introduction: First metatarsophalangeal (MTP) joint fusion is a widely accepted surgical intervention for treating severe arthritis, deformities, and instability of the first MTP joint. This paper provides a review of a single surgeon's experience with continuous compression implants (CCI), which offer a notable advantage by providing uniform compression across a larger surface area of the fusion site compared to plate and screw constructs. This design potentially reduces soft tissue irritation and, consequently, the need for subsequent implant removal.

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Objectives: To compare the efficacy of intrathecal fentanyl and dorsal penile nerve block for postoperative pain management in patients undergoing inflatable penile prosthesis (IPP).

Patients And Methods: A prospective single-center study included 80 patients amenable to IPP. Patients were divided equally into two groups.

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Purpose: Since 1990, the Centers for Disease Control and Prevention's National Breast and Cervical Cancer Early Detection Program (NBCCEDP) has offered free cervical cancer screening to low-income, uninsured patients, increasing single time point screening and early detection rates. Little is known about NBCCEDP's longitudinal effectiveness. The objective of this study was to assess utilization of Kansas's NBCCEDP, early detection works (EDW) for one-time versus serial screening and compare rates of cervical dysplasia between groups.

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  • This study focuses on creating a new nanocomposite (GO-PAA-Cu-LP) for medical uses through a multi-step synthesis involving graphene oxide and polyacrylic acid.
  • The research includes a variety of characterization techniques to analyze the nanocomposite, demonstrating that it retains about 73% of its reactivity even after 9 weeks of storage at low temperatures.
  • The findings show that the modified GO-PAA-Cu-LP has enhanced selectivity against cancer cells, promoting apoptosis and cell cycle arrest compared to standard composites and lactoperoxidase alone.
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High-dimensional regression problems, for example with genomic or drug exposure data, typically involve automated selection of a sparse set of regressors. Penalized regression methods like the LASSO can deliver a family of candidate sparse models. To select one, there are criteria balancing log-likelihood and model size, the most common being AIC and BIC.

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  • A study was conducted to explore syphilis prevalence among migrant craft and manual workers (MCMWs) in Qatar, which make up 60% of the population, focusing on both lifetime and recent infections.
  • Analysis involved sera specimens collected during a nationwide SARS-CoV-2 seroprevalence survey, utilizing advanced testing methods to detect syphilis antibodies and recent infections.
  • Results showed a lifetime syphilis infection rate of 1.3% and a recent infection rate of 0.09%, with higher infection prevalence noted in older age groups and variations based on nationality and occupation.
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Architect-HIV Ag/Ab combo chemiluminescence assay is globally recognized for its sensitivity but has a notable false-positive rate. In this study, we aim to evaluate the performance of a new cost-effective screening alternative, the chemiluminescence Ag/Ab combo assay (CL-900i-HIV) from Mindray, China. We selected 195 archived samples categorized according to the INNO-LIA™ HIV I/II, the gold standard confirmatory assay.

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Introduction: Sarcopenia, or the loss of lean muscle mass, is associated with increased morbidity and mortality as well as poor surgical outcomes. The aim of our study was to utilize computed tomography imaging to obtain the total psoas volume (TPV) as a potential marker of sarcopenia. We then investigated the relationship between TPV and outcomes in surgically managed hip fracture patients, particularly their discharge disposition.

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Our novel binuclear complex-anchored Ru(III) catalyst, designed and assembled by sonicating 2,2'-(4,6-dihydroxy-1,3-phenylene)bis(1-benzo[]imidazole-4-carboxylic acid), Ru(DMSO)Cl and 4-methylpyridine, demonstrates remarkable efficiency and selectivity. It promotes one-pot reactions, including active methylenes and benzyl alcohols in water, via a tandem aerobic oxidation/Knoevenagel condensation process, yielding benzylidene malononitrile in excellent yields. The catalyst's ability to oxidize benzyl alcohols to aldehydes, which then undergo Knoevenagel condensation with active methylenes, makes it a multifunctional catalyst.

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Objective: To compare the accuracy of arthroscopy with MRI in diagnosing ramp lesions associated with anterior cruciate ligament (ACL) injuries.

Design: Prospective observational study. Material and We included 100 patients with complete ACL tear.

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  • Salmonella enterica serovar Agona (S. Agona) has emerged as a key cause of gastroenteritis, with unique adaptations such as biofilm formation and viable but non-culturable states aiding its persistence in humans.
  • A study of 2233 S. Agona isolates from UK infections (2004-2020) examined the genome structure and phenotypes of different stages of infection to understand factors contributing to chronic carriage.
  • Findings indicated that certain genome rearrangements and increased SNP variation are linked to early-stage and persistent infections, suggesting mechanisms for immune evasion and establishment of chronic infection.
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Green Shipping Corridors (GSCs) are seen as a set of actions for reducing maritime Greenhouse Gas (GHG) emissions. Nonetheless, various stakeholders, including ports, encounter distinctive challenges when participating in GSCs. This study focuses on the integration of ports within GSCs and identifies the drivers and challenges that ports face in joining GSCs by interviewing various stakeholders from ports, shipping companies, governments, and industrial representatives engaged in GSCs.

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Crithmum maritimum (sea fennel), is a halophytic plant species found globally in coastal environments. This study is the first investigation into the chemical composition and biological activities of C. maritimum growing wildly in Jebel Akhdar, Libya.

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It is imperative to explore new biocompatible drugs with low toxicity for use in medicinal fields such as fighting tumors. Bovine lactoperoxidase (BLPO) stems from the most important enzymes in the bovine whey that provide a proper pattern for nano-formulation with nanomaterials. LPO is a suitable protein to be coated or adsorbed to alginate modified graphene oxide (GO-SA), which forms the modified GO-SA-LPO hybrid structure.

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Removing hazardous organic pollutants, such as 4-nitrophenol (4-NP) and Congo red (CR) dyes from aqueous media and CO from the atmospheric medium remains a significant challenge. Herein, we report a facile in-situ synthetic approach for fabricating CuO-ZnO heterostructure photocatalysts through the surfactant-assisted co-precipitation method. The catalytic results demonstrate that the CuO-ZnO photocatalyst exhibits excellent activity under direct sunlight irradiation, owing to the heterostructure formation between the CuO and ZnO.

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Purpose: The utility of machine learning, specifically large language models (LLMs), in the medical field has gained considerable attention. However, there is a scarcity of studies that focus on the application of LLMs in generating custom subspecialty radiology impressions. The primary objective of this study is to evaluate and compare the performance of multiple LLMs in generating specialized, accurate, and clinically useful radiology impressions for degenerative cervical spine MRI reports.

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  • The study assessed a new surgical method called posterior lamellar wedge resection for removing benign lesions from lower eyelid margins, which aims to deliver better cosmetic results compared to traditional excision methods.
  • Researchers reviewed the outcomes and patient satisfaction of 42 participants over a median follow-up of about 24 months, where most had excellent cosmetic results and reported high satisfaction with their eyelid appearance.
  • Findings indicated no recurrence of lesions or need for additional surgeries, suggesting that this technique is effective and has low risk for complications.
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  • Ephedra alata Decne is a traditional medicinal plant from Saudi Arabia, notable for its use in treating bronchial asthma and cancer, with recent studies highlighting its phytochemical properties and biological activities.
  • The analysis identified significant phenolic acids in the plant, with the highest being chlorogenic acid and various other beneficial compounds, though the mineral content was low except for magnesium.
  • In lab tests, E. alata showed strong antioxidant capabilities and cytotoxic effects against specific cancer cell lines, suggesting potential therapeutic uses in cancer treatment through its ability to inhibit cancer cell migration and growth.
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The shoulder joint houses a stabilizing structure called the biceps pulley. Biceps pulley lesions can trigger anterior shoulder pain and frequently coincide with rotator cuff tears, whose prevalence rises with age. In our study, we aim to assess the incidence of biceps pulley lesions associated with rotator cuff tears in patients undergoing arthroscopic repair, the possible associated factors, and whether MRI findings were correlated with them.

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  • The study investigates the management of primary aneurysmal bone cysts (ABCs), using methods like comprehensive curettage, hydrogen peroxide lavage, and non-vascularized strut fibular grafting, analyzed through 20 cases mostly involving young males.
  • Results showed a high average Musculoskeletal Tumor Society (MSTS) score of 91.55%, reflecting positive functional outcomes, with non-vascularized fibular grafts providing effective stabilization and quicker recovery.
  • The findings support the proposed treatment approach as a reliable option for ABC management, emphasizing improved patient outcomes and functional recovery while considering factors like age and lesion characteristics.
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Background: Idiopathic intracranial hypertension (IIH) can affect both hearing and balance due to increased inner ear pressure.

Aims/objectives: This study aimed to evaluate the impact of increased inner ear pressure on hearing and balance in patients with IIH using auditory and vestibular tests.

Material And Methods: Twenty-four IIH patients and 28 healthy controls underwent oVEMP, pure tone audiometry, tympanometry, and acoustic reflex tests pre-lumbar punctures.

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Background Vertical shear (VS) pelvic ring injuries present a unique challenge due to their inherent vertical and rotational instability and the risk of massive bleeding. VS injuries may result from either bony or ligamentous injury. The goal in the treatment of VS fractures of the pelvis is to achieve and maintain an accurate reduction of the displaced hemipelvis.

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Malabar tamarind tropical fruit, scientifically known as gummi-gutta, is indigenous to Southeast Asia. In this work, the total methanolic extract of the Malabar fruit rind was examined by HPTLC fingerprinting, with quantitative evaluation of the total phenolics and flavonoids. Library of previously reported natural metabolites was utilized to demonstrate their affinity for specific target sites, they were evaluated against Omicron SARS-CoV-2 mainly it's Spike Protein, bacterial tyrosinase, and antidiabetic targets such α-glucosidase, pancreatic lipase and also α-amylase enzymes.

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The clinical studies for breast cancer (BC) are now assessing the efficacy of 2-Methoxyestradiol (2-ME), a naturally occurring derivative of estradiol. Our study aimed to explore the potential of combining the 2-ME and tamoxifen (TAM) on sensitization of TAM-resistant cells using LCC2 the TAM-resistant cells as a model and comparing the results to the sensitive cells MCF-7. Sulphorhodamine-B (SRB) assay is used to examine the 2-ME chemo-sensitizing impact on the cytotoxicity of TAM on LCC2 cells.

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Purpose: Diabetes Mellitus (DM) is a common metabolic disorder with negative impacts on brain functions. Social cognition and vicarious experience impairments are features of DM. This research aimed to estimate the social cognition and vicarious experience among Jordanian people with diabetes.

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