Publications by authors named "Wali S"

Background: Acute chest discomfort is a common clinical problem that has to be well understood and managed collaboratively by specialists from many fields of medicine.

Objective: This study aimed to explore and evaluate the perspectives of healthcare professionals in family, emergency, and internal medicine regarding the management of acute chest pain, with a specific focus on diagnostic practices, interdisciplinary collaboration, and protocol adherence to establish best practices for a unified approach.

Methodology: This cross-sectional study, conducted from June 2022 to July 2024, included 218 healthcare professionals with over a year of experience in family, emergency, and internal medicine, selected through convenient sampling from hospitals such as Lady Reading Hospital, Hayatabad Medical Complex, Mardan Medical Complex, and Government Mian Meer Hospital.

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Background: Typhoid is a major health concern. Drug-resistant cases of typhoid have given rise to new debates. Azithromycin has shown adequate results.

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  • Obstructive sleep apnea (OSA) is a significant public health issue, and the study focused on exclusive positional obstructive sleep apnea (e-POSA) in a Saudi population, examining its prevalence and characteristics.
  • Utilizing a cohort study, researchers found that e-POSA occurred in 21.28% of OSA patients, with a higher prevalence in women (26.76%) compared to men (18.90%), while the overall prevalence in the general population was only 1.86%.
  • The findings indicate that e-POSA patients are generally younger and show milder symptoms, with the apnea-hypopnea index (AHI) during rapid eye movement (REM) and nonsupine sleep identified as significant predictors of this condition
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  • Aging impacts sleep patterns, and this study explored the prevalence of sleep disorders in elderly individuals, particularly those aged 65 and older in nursing homes in Jeddah.
  • A total of 313 participants were assessed using various validated questionnaires, revealing that the elderly had significantly higher risks of obstructive sleep apnea (OSA) and restless legs syndrome (RLS) compared to younger individuals.
  • The results indicated a high prevalence of poor sleep quality across both age groups, with significant associations found between insomnia, OSA, high body mass index, and poor sleep quality among the elderly.
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Mass spectrometry is a powerful analytical technique used at every stage of the pharmaceutical research process. A specialized branch of this method, mass spectrometry imaging (MSI), has emerged as an important tool for determining the spatial distribution of drugs in biological samples. Despite the importance of MSI, its quantitative capabilities are still limited due to the complexity of biological samples and the lack of separation prior to analysis.

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  • - WDR83OS encodes a protein called Asterix, which works with another protein, CCDC47, to help fold large proteins correctly, specifically those with transmembrane domains.
  • - Recent findings linked mutations in CCDC47 and WDR83OS to trichohepatoneurodevelopmental syndrome, showing consistent symptoms like neurodevelopmental disorders, facial dysmorphism, and liver dysfunction across multiple families.
  • - A zebrafish model lacking Wdr83os function demonstrated its crucial role in the nervous system and lipid absorption, further establishing a connection between WDR83OS mutations and neurological diseases characterized by elevated bile acids.
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Nanospray desorption electrospray ionization (nano-DESI) is a liquid-based ambient mass spectrometry imaging (MSI) technique that enables visualization of analyte distributions in biological samples down to cellular-level spatial resolution. Since its inception, significant advancements have been made to the nano-DESI experimental platform to facilitate molecular imaging with high throughput, deep molecular coverage, and spatial resolution better than 10 μm. The molecular selectivity of nano-DESI MSI has been enhanced using new data acquisition strategies, the development of separation and online derivatization approaches for isobar separation and isomer-selective imaging, and the optimization of the working solvent composition to improve analyte extraction and ionization efficiency.

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Introduction: This study aimed to evaluate the prevalence of contamination in raw lettuce from Risalpur, Pakistan, and to analyze the antibiotic susceptibility profiles of the isolated strains. The presence of foodborne pathogens such as poses significant public health risks, particularly in regions with suboptimal hygiene practices and improper food handling.

Methods: Lettuce samples were collected from various sources in Risalpur and screened for .

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  • Plants face various biotic and abiotic stresses that hinder their growth and productivity, making micronutrient application essential for optimal yield, especially in leafy vegetables.
  • This study explores how different concentrations of copper sulfate (0, 75, 125, and 175 ppm) affect the growth and biochemical traits of Spinacia oleracea (spinach) and Avena sativa (oats).
  • The findings show that 75 ppm of copper sulfate boosts plant height, leaf area, and chlorophyll levels while higher concentrations, particularly 175 ppm, lead to decreased plant health and productivity, highlighting the importance of using optimal nutrient levels.
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The human body possesses the unique ability to repair itself after injury through complex, sequential phases. Current development of advanced wound care therapies generally focuses on addressing a single aspect of this biological process that can result in delayed or ineffective wound healing. When patients present with further systemic and local confounding pathologies, it can result in painful, chronic wounds that are especially challenging to treat.

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Indigenous populations have remained resilient in maintaining their unique culture and values, despite facing centuries of colonial oppression. With many discriminatory policies continuing to disempower Indigenous peoples, First Nations communities have been reported to experience a higher level of cardiovascular disease (CVD)-related mortality, compared to that in the general population. Many of the risk factors contributing to the burden of CVD have been attributed to the impact of colonization and the ongoing dismissal of Indigenous knowledge.

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Background: Although many health problems, including sleep disorders, have been associated with video gaming, further studies are required to establish the validity of these connections. This study aimed to determine the prevalence of gaming addiction among medical students and its association with poor sleep quality, which may be reflected in academic performance.

Method: A cross-sectional survey was conducted between January and June 2023 among medical students at the institution under study.

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Following vaccination for COVID-19, various cutaneous adverse reactions (CARs) are reported. Here is an Asian male in late 50's who developed necrotic skin with mucosal involvement 10 days following booster dose of ChAdOx1 nCov-19 vaccination. Based on disease course and morphology, toxic epidermal necrolysis (TEN) was suspected.

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Objective: To synthesize community and healthcare informants' perspectives on contextual considerations and tailoring recommendations for high-quality, sustainable implementation of evidence-based practices (EBPs) for managing hypertension (HTN) in a multiethnic safety-net population.

Design: Structured focus-group discussions and semistructured qualitative interviews.

Background: High-quality, sustainable implementation of HTN-related EBPs can promote equitable care.

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Article Synopsis
  • The study aimed to investigate how matching participants with their preferred financial incentive designs affected their adherence to behavioral goals in a weight management intervention among individuals with obesity.
  • It involved a secondary analysis of quantitative and qualitative data from 668 participants from socioeconomically disadvantaged communities in New York City and Los Angeles, specifically examining the reasons behind their preferred incentive types.
  • Results indicated that a majority preferred goal-directed incentives, and those who were matched with their preference showed higher adherence rates in certain areas, suggesting that preference alignment might enhance engagement in some program activities.
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Background: Approximately one in five pregnant women experience antenatal depression globally. The purpose of the present study was to estimate the prevalence of antenatal depression and explore its relationship between various demographic variables, recent sexual engagement, and recent adverse life events among pregnant Afghan women.

Methods: A cross-sectional survey study was carried out between January, 2023 and April 2023 among 460 women aged 15-45 years who were recruited using convenience sampling from Herat province (Afghanistan).

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Background: People living with HIV (PLWH) may be at heightened risk for cardiovascular disease (CVD). Statin use and lifestyle changes reduce the risk of CVD but remain under-prescribed among PLWH. The objective of this study was to characterize knowledge of CVD and statin use, current usage, barriers to taking statins, and information desired by PLWH to improve statin uptake among PLWH in Los Angeles, CA.

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Objectives: Sleep quality among tertiary healthcare professionals in KSA has not been well studied. Therefore, in this study, we aimed to assess sleep quality among physicians and nurses in a tertiary care center in Jeddah City and to identify the associated factors.

Methods: In this quantitative, analytical, cross-sectional study, an online, self-administered questionnaire was distributed to all physicians and nurses working at King Abdulaziz University Hospital (KAUH).

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Background: Nephrotic syndrome (NS) is a commonly encountered chronic kidney disease in pediatric populations, with South Asian children being at high risk and requiring long-term pharmacological management. Thus, identifying medication discrepancies and evaluating the appropriateness of therapy and its economic burden are vital for inpatient management. The aim of the study was to assess medication reconciliation, medication appropriateness, and cost analysis in NS cases.

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Background: Primary membranous nephropathy is a rare presentation in children. Patients unresponsive to steroids and experiencing frequent relapse are considered steroid-resistant. They often require complex treatment regimens consisting of immunosuppressants like cyclophosphamide, tacrolimus, and cyclosporin A.

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Pediatric heart disease currently effects over one million infants, children, and adolescents in the United States alone. Unlike the adult population, pediatric patients face a more uncertain path with factors relating to their growth and maturation creating levels of complexity to their care management. With mobile phones increasingly being utilized amongst adolescents, digital therapeutics tools could provide a platform to help patients and families manage their condition.

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Article Synopsis
  • The FIReWoRk clinical trial found that financial incentives for weight loss were more effective than just providing resources like gym memberships and monitors for participants with obesity in low-income neighborhoods.
  • A cost-effectiveness analysis showed that the average program costs were highest for goal-directed incentives ($1271), followed by outcome-based ($1194) and resources-only groups ($834), with significant differences between the groups.
  • While quality of life remained similar across groups, participants receiving incentives lost more weight, with the goal-directed and outcome-based groups losing an average of 2.34 kg and 1.79 kg more than the resources-only group, respectively, indicating strong cost-effectiveness for incentive strategies.
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Public health emergency management systems encountered difficulties in developing countries, especially in Pakistan. The COVID-19 pandemic was extremely challenging for different agencies/departments in Pakistan. Health emergency management depends on a well-established public health emergency operations center that could generate a coordinated response to emergencies.

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Background: Outcomes in biliary atresia (BA) have been well-documented in large national cohorts from Europe, North America, and East Asia. Understanding the challenges that preclude success of the Kasai portoenterostomy (KPE) is the key to improve the overall outcomes of BA and implementing intervention strategies. Here, we analyzed the data from the Saudi national BA study (204 BA cases diagnosed between 2000 and 2018) to identify the prognostic factors of BA outcomes.

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  • - Smoking is the top preventable cause of death in the USA, and low use of cessation treatments poses a barrier to reducing smoking rates; the FIESTA II study aims to evaluate financial incentives' effectiveness in promoting smoking cessation among hospitalized smokers.
  • - The study will include adult smokers from underserved communities in NYC and LA who are considering quitting; participants will be sorted into three groups – one with goal-directed financial incentives, one with outcome-based incentives, and a control group with usual care only.
  • - Participants can earn money for completing follow-up interviews and smoking cessation tests, with the incentive groups eligible for up to $700 in total, designed to motivate quitting through financial rewards and support resources like coaching and nicotine replacement therapy.
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