Publications by authors named "Sami M"

Cryptococcosis is a lethal mycosis instigated by the pathogenic species Cryptococcus neoformans and Cryptococcus gattii, primarily affects the lungs, manifesting as pneumonia, and the brain, where it presents as meningitis. Mortality rate could reach 100% if infections remain untreated in cryptococcal meningitis. Treatment options for cryptococcosis are limited and and there are no licensed vaccines clinically available to treat or prevent cryptococcosis.

View Article and Find Full Text PDF

Aims And Objectives: This study aimed to compare the accuracy of two AI models - OpenAI's GPT-4 Turbo (San Francisco, CA) and Meta's LLaMA 3.1 (Menlo Park, CA) - when answering a standardized set of pediatric radiology questions. The primary objective was to evaluate the overall accuracy of each model, while the secondary objective was to assess their performance within subsections.

View Article and Find Full Text PDF

Recent advancements in natural language processing (NLP) have profoundly transformed the medical industry, enhancing large cohort data analysis, improving diagnostic capabilities, and streamlining clinical workflows. Among the leading tools in this domain is ChatGPT 4.0 (OpenAI, San Francisco, California, US), a commercial NLP model widely used across various applications.

View Article and Find Full Text PDF

Gastric ulcer (GU) is the most common health concern that occurs due to an imbalance between gastric protective mucosal and aggressive factors. Ethanol-induced GU in animal models resembles the pathophysiology of human ulcers. Natural products with fewer side effects are highly requested to attenuate their GU effects.

View Article and Find Full Text PDF

Objectives: To find radiographic association of the root pulp visibility and periodontal ligament visibility stages of lower second molar teeth with chronological age.

Methods: The prospective, analytical, cross-sectional study was conducted after approval from the ethics review committee of Ziauddin University, Karachi, and comprised digital orthopantomograms from 2020 to 2022. The orthopantomograms related to lower second molar teeth from the left side of the mandible of individuals of either gender aged 18-40 years.

View Article and Find Full Text PDF

Aim: The goal of our research is to assess the olfactory fossa anatomical variation through Keros and Yenigun classification by computed tomography (CT) scan of paranasal sinuses (PNS), as in order for surgeons to prevent major complications, they must be familiar with its variations in anatomy during functional endoscopic sinus surgery (FESS) related to anterior ethmoidal artery injury, as its course varies with depth and length of the olfactory fossa.

Methods: At Karachi's Dow University of Health Sciences (DUHS), retrospective research was carried out. From anterior to posterior, sequential coronal and axial pictures were examined, and the existence and location of further anatomical characteristics were documented.

View Article and Find Full Text PDF

Aims And Objectives: This study evaluates the accuracy of two AI language models, ChatGPT 4.0 and Google Gemini (as of August 2024), in answering a set of 79 text-based pediatric radiology questions from "Pediatric Imaging: A Core Review." Accurate interpretation of text and images is critical in radiology, making AI tools valuable in medical education.

View Article and Find Full Text PDF

Head and neck (HnN) cancers are among the most common cancers in the world. Proton therapy (PT) is one of the latest advancements in the treatment modalities of cancers. Proton therapy is specifically used to treat HnN cancer patients due to its less toxic effects on the surrounding critical structures.

View Article and Find Full Text PDF
Article Synopsis
  • The study focuses on creating efficient and eco-friendly materials for white light-emitting diodes (WLEDs) using carbon quantum dots (CQDs).
  • The researchers utilized a solvent-modulated synthesis method that enables control over the emission wavelengths of CQDs, achieving narrow bandwidths between 28 to 42 nm.
  • These CQDs exhibit a high fluorescence quantum yield of up to 65%, enhancing their potential for effective WLED applications when combined with a polymer matrix on blue LED surfaces.
View Article and Find Full Text PDF
Article Synopsis
  • The editorial explores what makes academic psychiatry unique and what qualities define psychiatrists as academics.
  • It highlights the importance of academic psychiatry in enhancing clinical services and patient care.
  • The piece emphasizes the need to inspire and encourage the upcoming generation to pursue careers in academic psychiatry.
View Article and Find Full Text PDF
Article Synopsis
  • The study focuses on understanding the recurrence rate of colorectal polyps in average-risk individuals, emphasizing the importance of colorectal cancer (CRC) in the Middle East and the role of benign adenomas in its development.
  • A total of 237 patients were enrolled, with 102 completing a 3-year follow-up, revealing that a significant percentage developed adenomatous polyps, particularly those with a more complex morphology having a higher chance of recurrence.
  • The findings suggest the need for enhanced colonoscopy screening in areas previously deemed low-risk for CRC and recommend more frequent surveillance for patients showing dysplasia.
View Article and Find Full Text PDF

Persisting symptoms and disability remain a problem for an appreciable proportion of people with schizophrenia despite treatment with antipsychotic medication. Improving outcomes requires an understanding of the nature and mechanisms of the pathological processes underlying persistence. Classical features of schizophrenia, which include disorganization and impoverishment of mental activity, are well-recognized early clinical features that predict poor long-term outcome.

View Article and Find Full Text PDF

This research was undertaken to assess the effect of tragacanth gum-chitin nanofiber (TG-CNF) film containing free (CEO) or encapsulated cumin essential oil (CNE) combined with oxygen absorber (OA) packaging on the shelf-life of ready-to-cook (RTC) turkey breast burgers during chilled storage. The experimental groups were OA and TG-CNF as single treatments, TG-CNF + CEO, TG-CNF + CNE, and TG-CNF + OA as binary treatments, TG-CNF + CEO + OA and TG-CNF + CNE + OA as ternary treatments, and control. The samples were stored at 3°C for 20 days and analyzed for microbial, physicochemical, and sensory attributes.

View Article and Find Full Text PDF

Eight on-site greywater treatment facilities of four different types (A, B, C and D) were investigated. Three were commercially available package plants (A-C) and one was a conventional sand filter (D). The treatment unit of Type A consisted of a geotextile-fitted trickling filter and a sand filter bottom layer, the Type B consisted of packs of fibrous mineral wool filter materials, and the Type C consisted of a fine-meshed plastic filter.

View Article and Find Full Text PDF

Background And Objectives: O157: H7 is one of the most important causes of hemorrhagic colitis, and hemolytic uremic syndrome. The present study aimed to isolate O157: H7 from foods and patients with hemorrhagic colitis, and identify Shiga toxin genes, phylogenetic comparison, and antibiotic resistance of the isolates.

Materials And Methods: In total 400 samples, including patients stool and food were taken in Isfahan-Iran province.

View Article and Find Full Text PDF
Article Synopsis
  • The study investigates why some people of color, particularly those who use substances, may deny or downplay their experiences with racial discrimination.
  • Through focus groups involving Black, Latino, and Asian American adults aged 21 to 44, it uncovers themes such as a minority comparison effect and confusion about recognizing racial discrimination.
  • The findings suggest a disconnect between research on the links between racial discrimination and substance use and the perceptions of some individuals, emphasizing the need for updated metrics and public dialogue about racism.
View Article and Find Full Text PDF
Article Synopsis
  • Peritoneal dialysis (PD) can lead to a common complication called enteric peritonitis, which is often overlooked, especially in cases where cultures come back negative, increasing the risk of mortality.
  • A 67-year-old man who had been on PD for 3 years was admitted to the hospital with PD-associated peritonitis after suffering from a gastric ulcer and severe anemia; tests showed high white blood cell counts but negative cultures.
  • Eventually diagnosed with superior mesenteric artery thrombosis and intestinal necrosis, he underwent emergency surgery and treatment, leading to recovery and hospital discharge after 47 days.
View Article and Find Full Text PDF

Renal impairments commonly occur as a complication of autoimmune connective tissue diseases (CTDs). Therefore, early nephritis prediction is vital for patient outcomes. Growth Arrest-Specific Protein 6 (GAS6) was found to be upregulated in many types of inflammatory renal disease, including diabetic nephropathy.

View Article and Find Full Text PDF

Functional connectivity (FC) obtained from resting-state functional magnetic resonance imaging has been integrated with machine learning algorithms to deliver consistent and reliable brain disease classification outcomes. However, in classical learning procedures, custom-built specialized feature selection techniques are typically used to filter out uninformative features from FC patterns to generalize efficiently on the datasets. The ability of convolutional neural networks (CNN) and other deep learning models to extract informative features from data with grid structure (such as images) has led to the surge in popularity of these techniques.

View Article and Find Full Text PDF
Article Synopsis
  • This text talks about studying how racial discrimination affects people of color and their substance use, looking at research involving Black youth in Canada.!
  • It emphasizes the need to understand race and racism better in different social situations and that we might need to use various theories and listen to community experiences.!
  • The authors suggest ways to improve research, like collecting data on racism, breaking down race into smaller groups, working with communities, and sharing findings so everyone can have a say.!
View Article and Find Full Text PDF

The organic enrichment effects on the meiofauna and nematofauna were assessed for field sediment and other experimental ones enriched with organic matters conducted in the laboratory for 4 weeks. Also, dissolved oxygen (DO) and pH were monitored for each one. The abundance and diversity of meiofaunal groups and nematofauna varied.

View Article and Find Full Text PDF

This study primarily investigates the natural radioactivity level in alkaline rocks collected from the Wadi El-Dib ring complex (WDRC) in North Eastern Desert of Egypt, and assesses potential health risks associated with their use as decorative building materials. The work was accomplished using a high-purity germanium detector as well as ICP-MS and ICP-AES techniques. The WDRC composed essentially of trachyte, quartz syenite, granite and syenite.

View Article and Find Full Text PDF
Article Synopsis
  • The study investigates how subjects make decisions by tracking their choice strategies on a trial-by-trial basis using a probabilistic method known as Bayesian evidence accumulation.
  • It reveals that both learning and changes in rules lead to the use of different exploratory strategies in various subjects, including humans and animals, where "lose-shift" indicates understanding of new rewarded rules.
  • The approach is versatile, low-cost, and suitable for real-time analysis and control, applicable to any discrete choice strategy.
View Article and Find Full Text PDF