Publications by authors named "Abdalla Ahmed"

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  • Port-wine stains (PWS) are vascular birthmarks that can darken over time, and traditional treatments like laser therapy have mixed results and side effects.
  • Hematoporphyrin Monomethyl Ether-Photodynamic Therapy (HMME-PDT) is a new approach showing promising results with fewer adverse effects by specifically targeting abnormal blood vessels.
  • The review highlights the clinical effectiveness of HMME-PDT based on assessments, notes improvements in vascular lesions, and calls for further research to establish consistent treatment guidelines and long-term outcomes.
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  • Surgical operative notes at Dongola Teaching Hospital in Sudan were found to have significant quality issues, prompting a study aimed at improving documentation practices based on Royal College of Surgeons standards.
  • A retrospective audit showed that only 50.3% of surgical notes adhered to these standards, leading to the introduction of a standardized template and training for surgeons, resulting in improved adherence to 71.9%.
  • Despite the overall improvement, challenges remain in specific areas, such as postoperative care instructions, which dropped from 100% to 90%, indicating the need for ongoing efforts to sustain documentation quality.
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To assess outcomes of supracostal ultrasound guided approach percutaneous nephrolithotomy (SUGA-PNL) and retrograde intrarenal surgery (RIRS) in isolated large volume upper calyceal stones (UCS). This was a prospective randomized study including patients with isolated UCS > 20mm. The patients were randomized into two groups: group (P) (SUGA-PNL) and group (R) (RIRS).

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T-cell-mediated therapeutic strategies are the most potent effectors of cancer immunotherapy. However, an essential barrier to this therapy in solid tumors is disrupting the anti-cancer immune response, cancer-immunity cycle, T-cell priming, trafficking and T-cell cytotoxic capacity. Thus, reinforcing the anti-cancer immune response is needed to improve the effectiveness of T-cell-mediated therapy.

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  • - The study investigates the differences in chronic kidney disease (CKD) management and characteristics between Kuwaiti citizens and expatriates, revealing that expatriates face restricted access to public health services and lower incomes, impacting their health outcomes.
  • - Data from 2,610 CKD patients showed that Kuwaitis were older with slightly lower kidney function (eGFR), but exhibited better blood pressure and diabetes control compared to expatriates, who had overall higher kidney function but poorer management of diabetes and hypertension.
  • - The conclusion emphasizes that CKD is predominantly caused by diabetes and hypertension, particularly in expatriates, and stresses the need for improved healthcare access, better treatment utilization, and more effective antihypertensive therapies for all patients.
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  • The study evaluated the effectiveness of direct computed tomographic venography (DCTV) and duplex ultrasound (DUS) in detecting iliac vein obstruction in patients with severe chronic venous disease, using intravascular ultrasound (IVUS) as the gold standard.
  • Results showed that DCTV had high sensitivity and specificity across all grades of obstruction (grade I: 96%, 95%; grade II: 100%, 100%; grade III: 100%, 100%), while DUS demonstrated lower performance (grade I: 63.9%, 65%; grade II: 68%, 82%; grade III: 70%, 85%).
  • The findings suggest that while DUS is a viable first-step imaging
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  • Cold atmospheric plasma (CAP) technology is a promising therapeutic approach in dermatology, known for its safety, effectiveness, and minimal side effects.
  • CAP possesses strong antimicrobial properties, aids in tissue proliferation and wound healing, and shows potential in inhibiting tumor cell growth, making it versatile for various skin conditions.
  • The review emphasizes CAP's applications in treating infectious skin diseases, inflammatory conditions like psoriasis and vitiligo, and its role in cosmetic treatments, while noting that further research is needed to optimize its use and understand its mechanisms better.
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Early detection of suspicious pigmented skin lesions is crucial for improving the outcomes and survival rates of skin cancers. However, the accuracy of clinical diagnosis by primary care physicians (PCPs) is suboptimal, leading to unnecessary referrals and biopsies. In recent years, deep learning (DL) algorithms have shown promising results in the automated detection and classification of skin lesions.

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Becker Muscular Dystrophy (BMD) is a rare X-linked recessive neuromuscular disorder frequently caused by in-frame deletions in the DMD gene that result in the production of a truncated, yet functional, dystrophin protein. The consequences of BMD-causing in-frame deletions on the organism are difficult to predict, especially in regard to long-term prognosis. Here, we employed CRISPR-Cas9 to generate a new Dmd del52-55 mouse model by deleting exons 52-55, resulting in a BMD-like in-frame deletion.

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Although the use of thermoplastic polyurethane (Tpu) nanofiber mats as wound dressings is of great interest due to their mechanical properties, they are hindered by their poor wettability and bioavailability. In this study, we aimed to improve the cellular affinity of Tpu nanofiber mats for skin disorders by incorporating extracted collagen (Col) from tendons and physically mixed with a layer of phytoceramides (Phyto) to produce TpuCol@X-Phyto mats in which the weight % of Phyto relatively to the weight of the solution was X = 0.5, 1.

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Background: A large proportion of patients with foregut cancers do not receive guideline-concordant treatment (GCT). This study sought to understand underlying barriers to GCT through a root cause analysis approach.

Methods: A single-institution retrospective review of 498 patients with foregut (gastric, pancreatic, and hepatobiliary) adenocarcinoma from 2018 to 2022 was performed.

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This study aimed to develop oral lipidic hybrids of amikacin sulfate (AMK), incorporating thiolated chitosan as a P-glycoprotein (P-gp) inhibitor to enhance intestinal absorptivity and bioavailability. Three formulations were designed: PEGylated Liposomes, Chitosan-functionalized PEGylated (Chito-PEGylated) Lipidic Hybrids, and Thiolated Chito-PEGylated Lipidic Hybrids. The physical characteristics of nanovesicles were assessed.

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Introduction: Obesity is the modern world's current epidemic, with substantial health and economic impact. This study aimed to provide a narrative overview of the past, currently available, and future treatment options that offer therapeutic and preventive advantages for obesity management.

Areas Covered: Historically, rimonabant, and lorcaserin, were approved and used for managing non-syndromic obesity.

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Rationale And Objectives: Neurological complications associated with coronavirus disease (COVID-19) have been reported in children; however, data on neuroimaging findings remain limited. This study aimed to comprehensively examine neuroimaging patterns of COVID-19 in children and their relationship with clinical outcomes.

Materials And Methods: This retrospective cross-sectional study involved reviewing the medical records and MRI scans of 95 children who developed new neurological symptoms within 2-4 weeks of clinical and laboratory confirmation of COVID-19.

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Oxidized low density lipoprotein (oxLDL)-induced endothelial oxidative damage promotes the development of atherosclerosis. Caveolae play an essential role in maintaining the survival and function of vascular endothelial cell (VEC). It is reported that the long coiled-coil protein NECC2 is localized in caveolae and is associated with neural cell differentiation and adipocyte formation, but its role in VECs needs to be clarified.

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Heart diseases remain the primary cause of human mortality in the world. Although conventional therapeutic opportunities fail to halt or recover cardiac fibrosis, the promising clinical results and therapeutic efficacy of engineered chimeric antigen receptor (CAR) T cell therapy show several advancements. However, the current models of CAR-T cells need further improvement since the T cells are associated with the triggering of excessive inflammatory cytokines that directly affect cardiac functions.

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Background: As the fetal heart develops, cardiomyocyte proliferation potential decreases while fatty acid oxidative capacity increases in a highly regulated transition known as cardiac maturation. Small noncoding RNAs, such as microRNAs (miRNAs), contribute to the establishment and control of tissue-specific transcriptional programs. However, small RNA expression dynamics and genome-wide miRNA regulatory networks controlling maturation of the human fetal heart remain poorly understood.

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Testicular germ cell tumour regression is a rare phenomenon, where the primary testicular tumour spontaneously regresses, typically with metastatic disease at presentation. We present a case of a regressed germ cell tumour (GCT) in a 44-year-old post-pubertal male. Initially treated for suspected infection, the patient's testicular swelling prompted further investigation, leading to a radical orchidectomy that revealed the unusual histomorphologic findings of an entirely necrotic, non-seminomatous GCT consistent with a pure embryonal carcinoma.

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Bacteriophages were discovered in early 20th century. However, the interest in bacteriophage research was reduced with the discovery of antibiotics. With the increasing number of infections due to multidrug-resistant (MDR) organisms, the potential usefulness of bacteriophages as therapeutic agents has been re-evaluated.

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Rationale And Objectives: Recently, a new MRI-based classification for evaluating tibial spine fractures (TSFs) was developed to aid in treating these injuries. Our objective was to assess the detection efficacy, classification accuracy, and reliability of this classification in detecting and grading TSFs, as well as its impact on treatment strategy, compared to the Meyers and McKeever (MM) classification.

Materials And Methods: A retrospective study included 68 patients with arthroscopically confirmed TSFs.

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Objective: To determine prognostic value of bone marrow retention index (RI-bm) and bone marrow-to-liver ratio (BLR) measured on baseline dual-phase F-FDG PET/CT in a series of newly diagnosed patients with diffuse large B-cell lymphoma (DLBCL) treated homogeneously with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) chemotherapy.

Patients And Methods: This prospective study enrolled 135 patients with newly diagnosed DLBCL. All patients underwent dual-phase F-FDG PET/CT.

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Background: Patients undergoing bariatric surgery have a high incidence of non-alcoholic fatty liver disease (NAFLD). However, the effect of NAFLD or non-alcoholic steatohepatitis (NASH) on the weight loss and resolution of obesity-related disorders is a matter of debate.

Methods: In this study, we compare the long-term outcomes after bariatric with the presence of NAFLD in the liver biopsy at the time of surgery.

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Duchenne muscular dystrophy (DMD) is a disease with a life-threatening trajectory resulting from mutations in the dystrophin gene, leading to degeneration of skeletal muscle and fibrosis of cardiac muscle. The overwhelming majority of mutations are multiexonic deletions. We previously established a dystrophic mouse model with deletion of exons 52-54 in that develops an early-onset cardiac phenotype similar to DMD patients.

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Among primary prevention implantable cardioverter-defibrillator (ICD) recipients, 75% do not experience any appropriate ICD therapies during their lifetime, and nearly 25% have improvements in their left ventricular ejection fraction (LVEF) during the lifespan of their first generator. The practice guidelines concerning this subgroup's clinical need for generator replacement (GR) remain unclear. We conducted a proportional meta-analysis to determine the incidence and predictors of ICD therapies after GR and compared this to the immediate and long-term complications.

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