Khaled Mohammed
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View article: Creation of Silver-Gold Alloy Nanoparticles Using Citrus sinensis Peel Extract and Their Antibacterial Efficacy
Creation of Silver-Gold Alloy Nanoparticles Using Citrus sinensis Peel Extract and Their Antibacterial Efficacy Open
The current investigation employed an aqueous waste peel extract of Citrus sinensis (Family: Rutaceae) to fabricate monometallic (silver (Ag), (gold (Au), and bimetallic silver –gold alloy nanoparticles (Ag: Au alloy NPs). The results prov…
View article: Value of LDH in Lymphoproliferative disorders
Value of LDH in Lymphoproliferative disorders Open
Both the lymphatic tissues (as in lymphoma) & the bone marrow (as in leukaemia & myeloma) may be the site of lymphoproliferative diseases. Depending on the type & other personal circumstances, the course of the disease & its treatment can …
View article: Effect of Mandala Coloring Nurse-Led Intervention Program on Resilience among Hemodialysis Patients
Effect of Mandala Coloring Nurse-Led Intervention Program on Resilience among Hemodialysis Patients Open
Background: Resilience affect the coping with adversities faced by hemodialysis patients.Accordingly, diverse methods of non-pharmacological interventions, such as (mandala coloring) that foster self-expression and bear down emotional conf…
View article: Partial breast irradiation compared with whole breast irradiation: a systematic review and meta-analysis
Partial breast irradiation compared with whole breast irradiation: a systematic review and meta-analysis Open
Background Early-stage breast cancer is among the most common cancer diagnoses. Adjuvant radiotherapy is an essential component of breast-conserving therapy, and several options exist for tailoring its extent and duration. This study asses…
View article: Biosynthesis and Optimization of Selenium Nanoparticles Using Streptomyces sp
Biosynthesis and Optimization of Selenium Nanoparticles Using Streptomyces sp Open
In the present study, a bacterial strain isolated from a soil sample taken from the region around the root of the plant (Alhagi graecorum) that is growing in the desert west of the Sohag Governorate and molecularly identified as Streptomyc…
View article: Association of vitamin D deficiency with COVID‐19 infection severity: Systematic review and meta‐analysis
Association of vitamin D deficiency with COVID‐19 infection severity: Systematic review and meta‐analysis Open
Background We sought to evaluate the association between vitamin D deficiency and the severity of coronavirus disease 2019 (COVID‐19) infection. Methods Multiple databases from 1 January 2019 to 3 December 2020 were searched for observatio…
View article: Frequency Of Otitis Media with Effusion Among Preschool Children and Its Effect On Both Children And Their Parents: A Cross-sectional Study
Frequency Of Otitis Media with Effusion Among Preschool Children and Its Effect On Both Children And Their Parents: A Cross-sectional Study Open
Background and aim:The impact of otitis media with effusion (OME) on quality of life (QoL) may be substantial.The aim of this study is to determine the magnitude of OME among children and its determinate effects on both them and their pare…
View article: Women’s Values and Preferences Regarding Osteoporosis Treatments: A Systematic Review
Women’s Values and Preferences Regarding Osteoporosis Treatments: A Systematic Review Open
Background Several treatments are available to reduce the risk of fragility fractures associated with osteoporosis. The choice of treatment requires knowledge of patients’ values and preferences. The aim of the present study was to summari…
View article: Efficacy of Pharmacological Therapies for the Prevention of Fractures in Postmenopausal Women: A Network Meta-Analysis
Efficacy of Pharmacological Therapies for the Prevention of Fractures in Postmenopausal Women: A Network Meta-Analysis Open
Background Osteoporosis and osteopenia are associated with increased fracture incidence in postmenopausal women. We aimed to determine the comparative effectiveness of various available pharmacological therapies. Methods We searched MEDLIN…
View article: Accuracy of Accelerometers for Measuring Physical Activity and Levels of Sedentary Behavior in Children: A Systematic Review
Accuracy of Accelerometers for Measuring Physical Activity and Levels of Sedentary Behavior in Children: A Systematic Review Open
Objectives: This systematic review evaluated the accuracy of triaxial and omnidirectional accelerometers for measuring physical activity and sedentary behavior in children. Design: Systematic review of the literature. Methods: We comprehen…
View article: On-the-farm cardiovascular risk screening among migrant agricultural workers in Southeast Minnesota: a pilot prospective study
On-the-farm cardiovascular risk screening among migrant agricultural workers in Southeast Minnesota: a pilot prospective study Open
Introduction Accessibility to healthcare services is a major concern facing migrant agricultural workers (MAWs) in the USA. We aimed to test the feasibility of implementing cardiovascular risk screening at farm sites. Methods This was a pi…
View article: Tuberculin Skin Test Conversions and Occupational Exposure Risk in US Healthcare Workers
Tuberculin Skin Test Conversions and Occupational Exposure Risk in US Healthcare Workers Open
In one of the largest cohorts of HCWs in a low-tuberculosis-incidence setting, we demonstrated an extremely low risk of occupational tuberculosis exposure among TST converters and no resulting active tuberculosis cases. In this setting, th…
View article: Treatment of Pediatric Obesity: An Umbrella Systematic Review
Treatment of Pediatric Obesity: An Umbrella Systematic Review Open
Objective: Multiple interventions are available to reduce excess body weight in children. We appraised the quality of evidence supporting each intervention and assessed the effectiveness on different obesity-related outcomes. Methods: We c…
View article: The Clinical Utility of Fractional Exhaled Nitric Oxide (FeNO) in Asthma Management
The Clinical Utility of Fractional Exhaled Nitric Oxide (FeNO) in Asthma Management Open
Purpose of ReviewTo assess the role of measuring the fractional concentration of exhaled nitric oxide (FeNO) in the diagnosis, treatment and monitoring of asthma. Key Messages• Depending on the FeNO cutoff, the likelihood of having asthma …
View article: The Association of Weight Loss and Cardiometabolic Outcomes in Obese Children: Systematic Review and Meta-regression
The Association of Weight Loss and Cardiometabolic Outcomes in Obese Children: Systematic Review and Meta-regression Open
Weight reduction in children is associated with significant changes in several cardiometabolic outcomes, particularly HDL, SBP, and triglycerides. The magnitude of improvement may help in setting expectations and may inform shared decision…
View article: Reply
Reply Open
We appreciate the letter to the editor regarding our systematic review analyzing the impact of oral antivirals in preventing mother-to-child transmission of hepatitis B. The author points out some of the limitations of systematic reviews o…
View article: Antiviral therapy in chronic hepatitis B viral infection during pregnancy: A systematic review and meta‐analysis
Antiviral therapy in chronic hepatitis B viral infection during pregnancy: A systematic review and meta‐analysis Open
Perinatal or mother‐to‐child transmission (MTCT) of hepatitis B virus (HBV) remains the major risk factor for chronic HBV infection worldwide. In addition to hepatitis B immune globulin and vaccination, oral antiviral therapies in highly v…
View article: Antiviral therapy in management of chronic hepatitis B viral infection in children: A systematic review and meta‐analysis
Antiviral therapy in management of chronic hepatitis B viral infection in children: A systematic review and meta‐analysis Open
Most individuals with chronic hepatitis B viral (HBV) infection acquired the infection around the time of birth or during early childhood. We aimed to synthesize evidence regarding the effectiveness of antiviral therapy in the management o…
View article: Antiviral therapy for chronic hepatitis B viral infection in adults: A systematic review and meta‐analysis
Antiviral therapy for chronic hepatitis B viral infection in adults: A systematic review and meta‐analysis Open
Chronic hepatitis B viral (HBV) infection remains a significant global health problem. Evidence‐based guidelines are needed to help providers determine when treatment should be initiated, which medication is most appropriate, and when trea…
View article: Menopausal Hormone Therapy and Mortality: A Systematic Review and Meta-Analysis
Menopausal Hormone Therapy and Mortality: A Systematic Review and Meta-Analysis Open
Objectives: The objective was to assess the effect of menopausal hormonal therapy (MHT) on all-cause and cause-specific mortality. Methods: We conducted a comprehensive search of several databases (MEDLINE, EMBASE, Cochrane Central Registe…
View article: Oral vs Transdermal Estrogen Therapy and Vascular Events: A Systematic Review and Meta-Analysis
Oral vs Transdermal Estrogen Therapy and Vascular Events: A Systematic Review and Meta-Analysis Open
Observational evidence warranting low confidence suggests that compared to transdermal ET, oral ET may be associated with increased risk of VTE and DVT, but not MI.
View article: Fat, fibre and cancer risk in African Americans and rural Africans
Fat, fibre and cancer risk in African Americans and rural Africans Open
Rates of colon cancer are much higher in African Americans (65:100,000) than in rural South Africans (<5:100,000). The higher rates are associated with higher animal protein and fat, and lower fibre consumption, higher colonic secondary bi…
View article: Corrigenda
Corrigenda Open
data synthesis section [page 4003] and in the main text, meta-analysis section [page 4010]: [Surgery had higher remission rates at longer follow-up periods (Ն24 mo) (66% vs 44%; P ϭ .04)but not the shorter follow-up periods (Յ6 mo) (53% vs…