Response surface optimization of a single-step castor oil-based biodiesel production process using a stator-rotor hydrodynamic cavitation reactor.

In order to combat environmental pollution and the depletion of non-renewable fuels, feasible, eco-friendly, and sustainable biodiesel production from non-edible oil crops must be augmented. This study is the first to intensify biodiesel production from castor oil using a self-manufactured cylindrical stator-rotor hydrodynamic cavitation reactor. In order to model and optimize the biodiesel yield, a response surface methodology based on a 1/2 fraction-three-level face center composite design of three levels and five experimental factors was used.

Geriatric nutritional risk index and adverse medical outcomes among Egyptian patients admitted to a geriatric hospital: a prospective cohort study.

Background: Elderly are one of the most heterogeneous and vulnerable groups who have a higher risk of nutritional problems. Malnutrition is prevalent among hospitalized elderly but underdiagnosed and almost undistinguishable from the changes in the aging process. The Geriatric Nutritional Risk Index (GNRI) is a tool created to predict nutrition-related complications in hospitalized patients.

Association Between Renalase Gene Polymorphism (rs2296545) and Hypertension in Egyptian Chronic Kidney Disease Patients.

Background Renalase gene polymorphisms are associated with an increased risk of essential hypertension, chronic kidney disease (CKD), heart disease, diabetes, and stroke. One of these polymorphisms is a common missense (rs2296545) polymorphism, which was reported to be related to hypertension. The aim of this work was to investigate the possible relation between renalase gene polymorphism (rs2296545) and hypertension in patients with CKD patients.

Comparative efficacy of intralesional 5 flurouracil and intralesional triamcinolone acetonide in localized plaque psoriasis.

Psoriasis is a papulosquamous disorder that causes significant social and psychological trauma to the patient. It is characterized by the presence of erythematous, indurated plaques covered with silvery-white scales. Despite the availability of several systemic agents that have been approved for the treatment of psoriasis, usually there are some residual lesions and there is a need to treat them for cosmetic reasons or symptomatic control.

Acceptability of "High sn-2" Infant Formula in Non-Breast Fed Healthy Term Infants Regarding Gastrointestinal Tolerability by Both Parents and Pediatrician: An Open-Label Pilot Study in the Gulf Cooperation Council (GCC) Countries.

Recent studies have highlighted the positive impact of high sn-2 formulas on gastrointestinal (GI) tolerance. We assessed the GI tolerance, acceptability, and safety of high sn-2 infant formula among non-breastfed healthy term infants in the Gulf countries. A multicenter observational study was conducted on 227 healthy-term infants who were prescribed high sn-2 palmitate infant formula and received a minimum of two formula feedings per day for the past two weeks prior to the study's initiation.

Validation of the Mini-Addenbrooke's Cognitive Examination in Mild Cognitive Impairment in Arabic Speakers.

Introduction: Mild cognitive impairment (MCI) represents a target for early detection and intervention in dementia, yet there is a shortage of validated screening tools in Arabic to diagnose MCI. The mini-Addenbrooke's Cognitive Examination (m-ACE) is a brief cognitive battery that is scored out of 30 and can be administered in under 5 min providing a quick screening tool for assessment of cognition.

Objective: We aimed to validate the m-ACE in Arabic speakers in Egypt with MCI to provide cut-off scores.

Adaptation and Validation of the Mini-Addenbrooke's Cognitive Examination in Dementia in Arabic Speakers in Egypt.

Background: The mini-Addenbrooke's Cognitive Examination (m-ACE) is a brief cognitive battery that assesses 5 subdomains of cognition (attention, memory, verbal fluency, visuospatial abilities, and memory recall). It is scored out of 30 and can be administered in under 5 min providing a quick screening tool for assessment of cognition.

Objectives: We aimed to adapt the m-ACE in Arabic speakers in Egypt and to validate it in dementia patients to provide cutoff scores.

Validation of the Addenbrooke's Cognitive Examination-III in Mild Cognitive Impairment in Arabic Speakers in Egypt.

Background And Aims: Mild cognitive impairment (MCI) represents an important point on the pathway to developing dementia and a target for early detection and intervention. There is a shortage of validated cognitive screening tools in Arabic to diagnose MCI. The aim of this study was to validate Addenbrooke's Cognitive Examination-III (ACE-III) (Egyptian-Arabic version) in a sample of patients with MCI, to provide cut-off scores in Egyptian-Arabic speakers.

Validation of the Egyptian-Arabic Version of the Addenbrooke's Cognitive Examination III (ACE-III) in Diagnosing Dementia.

Introduction: The Addenbrooke's Cognitive Examination III (ACE-III) (2012) is a brief cognitive battery that assesses five sub-domains of cognition (attention and orientation, memory, verbal fluency, language, and visuospatial abilities) which are commonly impaired in dementia.

Objective: We aimed to validate the Egyptian-Arabic ACE-III in dementia patients, and to provide cut-off scores for the ACE-III in diagnosing dementia in Egyptian-Arabic speakers.

Methods: We included 37 patients with dementia (Alzheimer's disease, n = 25, vascular dementia, n = 8, and dementia with Lewy bodies, n = 4) and 43 controls.

Clinical evaluation of the efficacy of trichloroacetic acid 70% after microneedling vs intradermal injection of 5-fluorouracil in the treatment of nonsegmental vitiligo; A prospective comparative study.

Unlabelled: Vitiligo is a skin disorder commonly acquired. Although different therapies are used, they are refractory to therapy in many cases. Trauma has been reported to cause hyperpigmentation by the pigment incontinence, which results in the build-up of melanophages in the upper dermis after basal cell layer destruction.

Risk and severity of psoriasis vulgaris in relation to angiotensin II type 1 receptor gene polymorphism and metabolic syndrome.

Background: Psoriasis vulgaris is a chronic inflammatory and proliferative skin disease, characterized by the formation of itchy, erythematous skin patches or plaques. Patients with psoriasis are at an increased risk of developing metabolic syndrome, including obesity, hypertension, diabetes, and atherosclerosis. Recently, angiotensin II (Ang II) has been reported to be associated with the development of psoriasis.

Evaluation of Galectin3 levels in psoriatic patients treated by narrow-band UVB phototherapy.

Psoriasis-specific proteins dysregulated in keratinocytes and involved in the pathophysiological process of psoriasis remains elusive. This study aimed to investigate the serum and tissue levels of Galectin3 in patients with psoriasis vulgaris before and after narrow-band ultraviolet B (NB-UVB) phototherapy. This study was designed as a cross-sectional case-control.

Efficacy of 1064 Q switched Nd:YAG laser in the treatment of oral lichen planus.

The erosive-atrophic form of oral lichen planus (OLP) is usually presented with severe pain and burning sensation that is usually refractory to traditional treatment. Topical corticosteroid is considered the first line despite their adverse effects. Therefore, new therapeutic approaches are required.

Consensus Opinions on Facial Beauty and Implications for Aesthetic Treatment in Middle Eastern Women.

Background: Middle Eastern women worldwide increasingly seek aesthetic treatment to enhance their beauty and improve self-esteem, but literature describing standards of beauty across the Middle East are scarce. Knowledge of facial anthropometry and Middle Eastern subregional beauty preferences and aesthetic weaknesses are key to develop an effective facial enhancement strategy that does not jeopardize ethnic identity or facial harmony.

Methods: Dermatologists and plastic surgeons from 8 Middle Eastern countries who had 7.

Role of Inflammatory Markers in Elderly Type 2 Diabetic Patients with Mild Cognitive Impairment.

Background: Type 2 diabetes (T2DM) is a risk factor for Alzheimer's disease and mild cognitive impairment. The etiology of cognitive impairment in people with T2DM is uncertain but, chronic hyperglycemia, cerebral micro vascular disease, severe hypoglycemia, and increased prevalence of macro vascular disease are implicated.

Objectives: To determine the serum levels of soluble vascular adhesion molecule (sVCAM-1) and highly sensitive C-reactive protein (hs-CRP) in elderly type 2 diabetics with mild cognitive impairment (MCI).

Doppler versus Histopathology in the Assessment of Egyptian Patients with Psoriasis Treated with Acitretin.

Psoriasis is one of the most common chronic inflammatory skin diseases, characterized by erythema and the formation of plaques. The diagnosis of psoriasis is based on clinical examination, and its severity is assessed by the Psoriasis Area and Severity Index. Histologic examination is still the standard method for the final diagnosis.

The validity and reliability of the Arabic version of the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU): A prospective cohort study.

Background: Accurate diagnosis for Arabic speaking critically ill patients suffering from delirium is limited by the need for a valid/reliable translation of a standardized delirium instrument such as the Confusion Assessment Method for the ICU (CAM-ICU).

Objective: To determine the validity and reliability of the Arabic version of the CAM-ICU.

Design: A prospective cohort study design was used to conduct the current study.

Genetic variants of interferon-gamma and its mRNA expression and inflammatory parameters in the pathogenesis of vitiligo.

Although genetics plays an essential role in the pathogenesis of vitiligo, vitiligo pathogenesis is still unclear. Our aim was to investigate the role of IFN-γ expression and polymorphism in vitiligo susceptibility and whether intercellular adhesion molecule-1 (ICAM-1), tumor necrosis factor (TNF)-α, and TNF-β play a role in vitiligo pathogenesis as important inflammatory parameters. Eighty-five patients with vitiligo and 90 controls were investigated for IFN-γ gene expression by quantitative real-time PCR and genotyped for IFN-γ +874T/A (rs2430561) and IFN-γ +2109A/G (rs1861494) gene polymorphisms by sequence-specific primer (SSP)-PCR and PCR-restriction fragment length polymorphism (RFLP), respectively.

Role of suPAR and Lactic Acid in Diagnosing Sepsis and Predicting Mortality in Elderly Patients.

This study investigated the diagnostic value of soluble urokinase plasminogen activator receptor (suPAR) and serum lactate in elderly patients with sepsis and evaluated their capacity to predict mortality and their correlation to Sequential Organ Failure Assessment (SOFA) score. The study included 80 participants, divided into two groups: 40 cases (mean age, 68.9 ± 5.

Effects of age, education, and gender on verbal fluency in healthy adult Arabic-speakers in Egypt.

The objective of this study is to establish the effects of age, gender, and education and to provide preliminary normative data for letter and category fluency tasks in the Egyptian Arabic-speaking population. We evaluated 139 cognitively healthy volunteers aged 20-93 by adapting the letter and category verbal fluency tasks for the Egyptian population. On the letter fluency task, mean number of words generated in one-minute beginning with the Arabic letter "Sheen" (pronounced "sh") was 8.

Treatment of striae distensae with needling therapy versus CO2 fractional laser.

Background And Objectives: Striae are atrophic dermal scars with overlying epidermal atrophy causing cosmetic concern. This study assesses and compares the efficacy and safety of needling therapy versus CO2 fractional laser in treatment of striae.

Methods: Twenty Egyptian female patients with striae in the abdomen and lower limbs were involved in the study.

Melasma treatment using an erbium:YAG laser: a clinical, immunohistochemical, and ultrastructural study.

Background: Melasma is a common pigmentary disorder that remains resistant to available therapies.

Objectives: The aim of the present study was to evaluate the efficacy of erbium:YAG lasers in the treatment of refractory melasma and investigate the histopathological and ultrastructural changes between melasma skin and adjacent control skin before and after surgery.

Methods: Fifteen Egyptian female patients with melasma unresponsive to previous therapy of bleaching creams and chemical peels were included in this study.

Evaluation of insulin like growth factor-1 (IGF-1) level and its impact on muscle and bone mineral density in frail elderly male.

Decrease in IGF-1 level is a major endocrine dysregulation that has been implicated in frailty, disability, and mortality in older adults. Our aim was to clarify the effect of IGF-1 on muscle and bone mineral density (BMD) in frail males. One hundred elderly males were included and divided into frail group (n=50) and robust group (n=50) based on the study of osteoporotic fractures (SOF) frailty index.