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Evaluation Of Brook Trout (Salvelinus Fontinalis) Thermal Tolerance And Projected Climate Change Effects On Headwater Brook Trout Population Persistence, Cory Bauerlien Jan 2026

Evaluation Of Brook Trout (Salvelinus Fontinalis) Thermal Tolerance And Projected Climate Change Effects On Headwater Brook Trout Population Persistence, Cory Bauerlien

Graduate Theses, Dissertations, and Problem Reports (ETD)

Climate change has been identified as one of the greatest threats to global biota in recorded human history. Consequences are expected to be more pronounced in ectotherms because most of their physiology is controlled by external temperature conditions. Predicting how ectotherms may respond to increasing global temperatures necessitates information about thermal limits of thermal sensitive species and how increasing temperatures may affect individual and population-level fitness. Therefore, the objectives of this research were aimed at gaining a better understanding of the mechanisms that underpin thermal tolerance limits of fish and how those mechanisms may affect fitness and population persistence under …


Reducing Inorganic Phosphorus In Poultry Diets: Nutritional Constraints And Strategies For Successful Implementation, Elizabeth Ann Lynch Jan 2026

Reducing Inorganic Phosphorus In Poultry Diets: Nutritional Constraints And Strategies For Successful Implementation, Elizabeth Ann Lynch

Graduate Theses, Dissertations, and Problem Reports (ETD)

Applied poultry nutrition and feed manufacture science can be described as a “three-legged stool” supported by pellet quality, feed hygienics, and nutrient availability, where imbalance in any one component can compromise overall bird performance. The research presented herein primarily addresses feed hygienics and nutrient availability, with pellet quality serving as an underlying theme, to better understand how processing conditions and dietary formulation influence performance and nutrient utilization.

In Chapter 2, the objective of this study was to evaluate the effects of hygienizer retention time on bacterial reduction during feed manufacture using Enterococcus faecium as a Salmonella surrogate. Pellet mill motor …


A Hybrid Geoid Model For The Perlis Region, Malaysia Based On Cadastral Reference Marks And A Geometric Approach, Muhammad Aiman Haiqal Abdul Malek, Muhammad Faiz Pa’Suya, Ramazan Alpay Abbak, Ami Hassan Md Din, Noorfatekah Talib Jan 2026

A Hybrid Geoid Model For The Perlis Region, Malaysia Based On Cadastral Reference Marks And A Geometric Approach, Muhammad Aiman Haiqal Abdul Malek, Muhammad Faiz Pa’Suya, Ramazan Alpay Abbak, Ami Hassan Md Din, Noorfatekah Talib

Mansoura Engineering Journal

This study presents the development of a high-resolution local geoid model for the Perlis region, Malaysia, using a geometric approach that integrates GNSS-levelling benchmarks with Cadastral Reference Mark (CRM) data. A total of 38 GNSS-levelling benchmarks were used as reference points, while 3,725 CRMs were incorporated to significantly enhance spatial coverage for geoid modelling. Orthometric heights at the CRM points were first determined by transferring heights from the reference benchmarks using gravimetric geoid information. Subsequently, geometric geoid heights were computed from the differences between ellipsoidal and orthometric heights. Five interpolation techniques were evaluated to generate the geometric geoid surface, namely …


Development Of Enhanced Dingo Optimization Algorithm For Distribution Network Reconfiguration, Samson Oladayo Ayanlade, Ignatius Kema Okakwu, Richard Oladayo Olarewaju, Ayodeji Akinsoji Okubanjo, Joseph Bukola Samson, Oluwadare Adepeju Adebisi, Emmanuel Idowu Ogunwole, Oluwadare Olatunde Akinrogunde Jan 2026

Development Of Enhanced Dingo Optimization Algorithm For Distribution Network Reconfiguration, Samson Oladayo Ayanlade, Ignatius Kema Okakwu, Richard Oladayo Olarewaju, Ayodeji Akinsoji Okubanjo, Joseph Bukola Samson, Oluwadare Adepeju Adebisi, Emmanuel Idowu Ogunwole, Oluwadare Olatunde Akinrogunde

Mansoura Engineering Journal

This paper presents the Enhanced Dingo Optimization Algorithm (EDOA) to reconfigure the radial distribution network with the long-standing problem of active power loss minimization while maintaining a stable and acceptable voltage profile. EDOA enhances the standard Dingo Optimization Algorithm (DOA) through the integration of adaptive search control, elite-guided local refinement, and crossover-based diversity preservation mechanisms tailored for distribution network reconfiguration problems. The proposed method has been tested on two test systems: the IEEE 33-bus standard as well as the real-world Ayepe 34-bus distribution feeder in Ibadan, Nigeria. In the IEEE 33-bus test system, EDOA reduces active power loss by 56.00%; …


The Effect Of Second-Order Slip In Hydromagnetic Eyring-Powell Flow: A Bvp4c Study, Ch. Maheswari, B. Naga Lakshmi, G. Dharmaiah, R. Mohana Ramana, B. Reddappa Jan 2026

The Effect Of Second-Order Slip In Hydromagnetic Eyring-Powell Flow: A Bvp4c Study, Ch. Maheswari, B. Naga Lakshmi, G. Dharmaiah, R. Mohana Ramana, B. Reddappa

Mansoura Engineering Journal

The steady-state Eyring–Powell boundary layer fluid flow past a moving surface is examined, considering various parameter implications. These include the wall mass transfer parameter (0.5  C   2.0), the magnetic field parameter (5  Mn 20), the velocity ratio parameter (0.1  λ1  0.7), Eyring-Powell fluid parameters (0.5 K 2 & 0.1 E 0.4), as well as the first-order velocity slip (0.1 γ 1.1) and second-order velocity slip (0.1 δ  0.4). By employing appropriate similarity transformations, the PDEs are reduced to a set of non-linear ODEs, which are subsequently solved using the bvp4c numerical technique and, an implication of key factors on shear …


Frequent Pattern Mining With Optimized Gated Recurrent Units For Automated Waste Classification Systems In Smart Cities, Anupriya Garg, Ratish Kumar Jan 2026

Frequent Pattern Mining With Optimized Gated Recurrent Units For Automated Waste Classification Systems In Smart Cities, Anupriya Garg, Ratish Kumar

Mansoura Engineering Journal

Efficient waste segregation into biodegradable and non-biodegradable categories is a crucial requirement for sustainable smart city development. While Convolutional Neural Network (CNN)-based approaches have demonstrated promising performance, their high architectural complexity and limited adaptability often restrict real-time deployment. This paper proposes BnBCNet, a lightweight waste classification framework that reformulates image-based waste segregation as a sequential learning problem using Gated Recurrent Units (GRUs). To further enhance classification performance, Grey Wolf Optimization (GWO) is employed for hyperparameter optimization, while Adam optimizer is used for network weight updates. Experiments conducted on a publicly available waste segregation image dataset demonstrate that the proposed BnBCNet …


Conductive Bitumen And Asphalt Mixtures For Smart Pavements: De-Icing And Snow Melting, Self-Healing, Energy Harvesting, And Self-Sensing Monitoring, Ahmed Fouda, Pengfei Liu, Aboelkasim Diab, Lingyun You, Fan Gu, Xu Yang, Alaa Gabr, Sherif El-Badawy, Ahmed Awed Jan 2026

Conductive Bitumen And Asphalt Mixtures For Smart Pavements: De-Icing And Snow Melting, Self-Healing, Energy Harvesting, And Self-Sensing Monitoring, Ahmed Fouda, Pengfei Liu, Aboelkasim Diab, Lingyun You, Fan Gu, Xu Yang, Alaa Gabr, Sherif El-Badawy, Ahmed Awed

Mansoura Engineering Journal

Evolving transportation infrastructure requires transitioning from passive roadways to smart, multifunctional pavement systems. This review synthesizes research on conductive bitumen and asphalt mixtures engineered for self-heating, self-healing, and self-sensing capabilities. Self-heating enables conductive pavements to generate heat internally via Joule heating or electromagnetic induction, raising surface temperatures for de-icing or healing activation without external heat.

Based on percolation theory, integrating conductive additives from carbon-based fillers (graphite powder, GP; carbon black, CB; graphene) to metallic fibers (steel wool, SW; steel fibers, SFs)—transforms the insulating bituminous matrix into a conductive composite. A key trade-off exists: fibrous additives like carbon fibers (CFs) and …


Experimental Investigation And Optimization Of Process Parameters Affecting The Compressive And Flexural Strength Of Epoxy Concrete For Machine Tool Structure By Using Taguchi Method, Amitkumar C Gohil, Hardik G. Chothani Jan 2026

Experimental Investigation And Optimization Of Process Parameters Affecting The Compressive And Flexural Strength Of Epoxy Concrete For Machine Tool Structure By Using Taguchi Method, Amitkumar C Gohil, Hardik G. Chothani

Mansoura Engineering Journal

The structural performance of machine tool is strongly influenced by rigidity and damping characteristic; however, conventional material such as grey cast iron and steel exhibits limitation in achieving an optimal balance between weight, strength and vibration damping. The necessitates the development of alternative material with improved performance. In this study epoxy concrete is investigated as a potential material for machine tool structure, focusing on its compressive strength and flexural strength. A systematic experimental approach based on Taguchi method (L25 orthogonal array) was employed to optimize key process parameter, including resin contain, aggregate size, sand proportion, shaking time and curing duration. …


Event-Related Potential Variation In Response Accuracy: A Comparative Analysis Using Mne-Python, Akash Rajak, Sachin Umrao Jan 2026

Event-Related Potential Variation In Response Accuracy: A Comparative Analysis Using Mne-Python, Akash Rajak, Sachin Umrao

Mansoura Engineering Journal

Event-Related Potentials (ERPs) are extensively employed in the examination of neural responses linked with cognitive processing and changes in brain activity. In this work, we conducted a comparative analysis of ERPs on a publicly available EEG dataset (122 subjects, alcoholic and control groups) with the help of the MNE-Python framework. The 64 electrodes for EEG were placed according to the international 10 - 20 system, and EEG was sampled at a 256 Hz sampling rate over 1-second epochs. The preprocessing pipeline consisted of 1 - 40 Hz bandpass filtering, noise reduction, spectral computation, and ERP waveform analysis. Temporal neural activity …


Effect Of Load Variations On Power Quality And Ev Battery Performance In Vehicle-To-Grid System, Jitender Kaushal, Rahul Paswan Jan 2026

Effect Of Load Variations On Power Quality And Ev Battery Performance In Vehicle-To-Grid System, Jitender Kaushal, Rahul Paswan

Mansoura Engineering Journal

Vehicle-to-Grid (V2G) technology enables the exchange of electricity between electric vehicles (EVs) and the utility grid, helping improve the integration of renewable energy sources and the grid's flexibility. Load-dependent power quality disturbances can affect the performance and reliability of V2G systems, which in turn can negatively impact system and battery operation. This study investigates the effect of resistive, inductive and nonlinear loads on the electrical performance and battery behaviour of a bidirectional V2G system. A complete MATLAB/Simulink model was developed to investigate the grid voltage, current, frequency, THD and the battery voltage, current and state of charge. The model uses …


Study Of Fire Regimes In Southwestern Australia Using Geospatial Techniques, Ana Do Carmo Carvalho Jan 2026

Study Of Fire Regimes In Southwestern Australia Using Geospatial Techniques, Ana Do Carmo Carvalho

Theses: Doctorates and Masters

The Northern Jarrah Forest in Southwestern Australia (SWA), part of a global biodiversity hotspot, is home to fire-sensitive tree species such as marri (Corymbia calophylla) and jarrah (Eucalyptus marginata). As climate change intensifies drought and extreme fire events, understanding the drivers of fire severity is increasingly critical. This thesis analyses fire regimes within the Mundaring drinking water catchment to better understand the spatiotemporal complexity of fire severity in relation to fire history and environmental factors.

The thesis commences with a review of three Fire History Databases (FHDs) used in SWA, highlighting significant inconsistencies and data gaps across time and space. …


Population Genomics And Evolution Of Pseudomonas Aeruginosa, Samara T. Choudhury Jan 2026

Population Genomics And Evolution Of Pseudomonas Aeruginosa, Samara T. Choudhury

Electronic Theses & Dissertations (2024 - present)

Pseudomonas aeruginosa is a Gram-negative bacterium ubiquitous in diverse environments and an opportunistic pathogen in humans. It is a leading cause of chronic lung infections in cystic fibrosis patients and of hospital-acquired pneumonia and sepsis. With a large flexible genome and abundant mobile genetic elements, P. aeruginosa exhibits high levels of antimicrobial resistance (AMR), making it a significant public health threat. Evolutionary processes such as homologous recombination, and horizontal gene transfer generate extensive genomic diversity in this species and facilitate the spread of resistance genes. In this dissertation, I investigate the genetic and evolutionary factors shaping P. aeruginosa population structure …


Stem Cell-Derived Developmental Models For Translational Evaluation Of Disease And Therapy, Maria B. Paredes-Espinosa Jan 2026

Stem Cell-Derived Developmental Models For Translational Evaluation Of Disease And Therapy, Maria B. Paredes-Espinosa

Electronic Theses & Dissertations (2024 - present)

Human development as well as congenital and adult diseases emerge from coordinated interactions among multiple cell types, regulatory programs, and tissue compartments that remain largely unresolved. Conventional simple lineage-restricted in vitro systems poorly capture this complexity. My dissertation uses human stem cell-derived developmental models to study human cardiac morphogenesis and heart diseases and application of a networked neuron platform to explore senescence-associated neurodegeneration impact on Alzheimer’s neurons.

Elongating multi-lineage organized cardiac (EMLOC) gastruloids are a synthetic embryology model that co-generates contractile cardiomyocyte populations alongside mesenchymal, endothelial, epicardial-like, neural crest-associated, and neuronal cells within a shared in vitro developmental environment. Single-cell …


Inflammation In Early Borrelia Burgdorferi Skin Infection, Ariana Nobles Jan 2026

Inflammation In Early Borrelia Burgdorferi Skin Infection, Ariana Nobles

Electronic Theses & Dissertations (2024 - present)

Borrelia burgdorferi (Bb) is the causative agent of approximately 476,000 cases of Lyme disease in the United States and rising. Bb is spread through infected saliva of the black-legged tick, Ixodes scapularis, to the host. Patients infected with Bb experience short-term symptoms, such as erythema migrans (EMs), fatigue, pain, and cognitive impairment. If left untreated, Bb infection will cause long-term health complications, like Lyme neuroborreliosis and Lyme arthritis. It is postulated that symptoms associated with Lyme disease are driven in part by inflammation.

My thesis focuses on the skin as it holds significant immunological importance in the …


The Effects Of Vitamin K On Neuronal Ferroptosis, Chelsey P. Eighmey Jan 2026

The Effects Of Vitamin K On Neuronal Ferroptosis, Chelsey P. Eighmey

Electronic Theses & Dissertations (2024 - present)

Dementia is a crippling illness affecting millions worldwide causing significant public health burdens with long-term care. The lack of treatment options results in many years of suffering for affected individuals and their loved ones who often become primary caretakers. Decades of study have focused on treating dementia with little-to-no success, so an emphasis is needed on attempting to prevent disease progression altogether. This research explored vitamin K as a potential strategy for prevention of dementia onset or progression through the mechanism of suppressing ferroptosis. Ferroptosis is a type of cell death suggested to contribute to the hallmark traits of Alzheimer’s …


Biomechanical Effects Of Exercise-Based Interventions In Chronic Nonspecific Low Back Pain: A Systematic Review And Meta-Analysis, Lara De Vecchi Machado Jan 2026

Biomechanical Effects Of Exercise-Based Interventions In Chronic Nonspecific Low Back Pain: A Systematic Review And Meta-Analysis, Lara De Vecchi Machado

Theses and Dissertations--Kinesiology and Health Promotion

Chronic nonspecific low back pain (CNLBP) is the leading cause of years lived with disability worldwide and represents a complex, multifactorial, and heterogeneous condition. It is characterized by substantial interindividual variability in muscle activation patterns, lumbo-pelvic coordination, and movement strategies. Although exercise is widely recommended as a first-line intervention and its clinical benefits are well established, the biomechanical mechanisms underlying functional improvement remain fragmented in the literature and are rarely synthesized quantitatively.

This dissertation conducted a systematic review with meta-analysis to investigate the biomechanical effects of exercise-based interventions in individuals with CNLBP. A total of 39 studies were included and …


The Relationship Between Acne Vulgaris And Insulin Resistance, Nora Moawad Erian, Nora Mohamed Darwish, Eman Saber Elhennawy, Fatma Faisal El Dakrory Jan 2026

The Relationship Between Acne Vulgaris And Insulin Resistance, Nora Moawad Erian, Nora Mohamed Darwish, Eman Saber Elhennawy, Fatma Faisal El Dakrory

Mansoura Medical Journal

Background Some have hypothesized that resistance to insulin, a condition in which cells become less responsive to insulin, contributes to the development and worsening of acne vulgaris. The study's primary objective was to identify any associations among resistance to insulin and acne vulgaris severity. Methods Forty patients (range: 18–40 years old) with acne vulgaris and forty healthy controls (range: 18–40 years old, sex: X), were included in this case control study. Height as well as weight were the anthropometric metrics. To determine how bad acne is, doctors utilize the Global Acne Grading System. Laboratory testing for insulin resistance was conducted …


Effect Of High-Dose Vitamin D Supplementation On Serum Sclerostin Levels In Chronic Kidney Disease Patients: A Randomized Controlled Trial, Mohamed A. Hassany, Mariam A. Fawy Jan 2026

Effect Of High-Dose Vitamin D Supplementation On Serum Sclerostin Levels In Chronic Kidney Disease Patients: A Randomized Controlled Trial, Mohamed A. Hassany, Mariam A. Fawy

Mansoura Medical Journal

Background Vitamin D deficiency and altered bone metabolism are common in patients with chronic kidney disease (CKD). Sclerostin, a key inhibitor of bone formation, has been implicated in CKD–mineral and bone disorder (CKD-MBD), but the impact of high-dose vitamin D supplementation on circulating sclerostin is unclear. This work examined the effect of intramuscular cholecalciferol on serum sclerostin and bone-related markers in CKD patients. Methods This randomized controlled trial involved 128 adult CKD patients (stages 3–5), 18–70 years, both sexes, with vitamin D deficiency. Adults were equally randomized into two groups: the intervention group received intramuscular cholecalciferol (300,000 IU at baseline …


Chronic Stress And Toxoplasma Gondii Infection: Investigating The Two-Hit Hypothesis On Behavior And Cognition In Chronic Toxoplasmosis Mice Model, Nora Labeeb El-Tantawy Jan 2026

Chronic Stress And Toxoplasma Gondii Infection: Investigating The Two-Hit Hypothesis On Behavior And Cognition In Chronic Toxoplasmosis Mice Model, Nora Labeeb El-Tantawy

Mansoura Medical Journal

Background: Toxoplasmagondii infects about one third of people around the world and is associated with neuropsychiatric disorders. But not everyone who has it ends up with behavioral symptoms, which is kind of interesting. The study aimed to investigate the two-hit hypothesis, basically testing if chronic stress makes the effects of the infection worse in mice, on behavior and cognition. Methods: Sixty Swiss Webster mice were included in the study divided into four groups (15 for each). Group 1 control, group 2 stressed animals exposed to the chronic unpredictable stress protocol, Group 3 infected with T. gondii, and group 4 received …


Fractional Ablative Co2 Laser Versus Screw Threads In Post-Traumatic Atrophic Linear Scars, Eman Emad Elfeel, Marwa Zohdy Ali, Shereen Ezzalregal Alashry, Sherihan Hassan Allam Jan 2026

Fractional Ablative Co2 Laser Versus Screw Threads In Post-Traumatic Atrophic Linear Scars, Eman Emad Elfeel, Marwa Zohdy Ali, Shereen Ezzalregal Alashry, Sherihan Hassan Allam

Mansoura Medical Journal

Background Scar is the result of the natural healing and reparative process, which are frequently accompanied by a few aesthetic, functional, and social impairments and may negatively affect quality of life. Fractional CO2 laser improves both the pigmentary and textural changes by removing thin layers of skin with minimal thermal damage. Thread lifting technology is a non-surgical facial rejuvenation technology that can minimize postoperative recovery period and scar from the incision Aim To compare the efficacy of fractional ablative CO2 laser therapy versus screw threads in post-traumatic atrophic linear scars. Methods This prospective randomized clinical study included 2 groups; group …


Impact Of Admission Hyperglycemia On In-Hospital Arrhythmia In Medical Critical Illness, Ebrahim Elsayed Tawfik, Afaf Abdel Hafez, Tarek El-Sayed Gouda, Rehab Shaheen Bahram Shaheen Jan 2026

Impact Of Admission Hyperglycemia On In-Hospital Arrhythmia In Medical Critical Illness, Ebrahim Elsayed Tawfik, Afaf Abdel Hafez, Tarek El-Sayed Gouda, Rehab Shaheen Bahram Shaheen

Mansoura Medical Journal

Background Admission hyperglycemia is frequently encountered in critically ill patients, even in the absence of pre-existing diabetes. Acute stress hyperglycemia triggers autonomic activation, oxidative stress, and electrophysiological disturbances that may predispose to cardiac arrhythmias. Aim of work The present study aimed to explore the frequency and type of arrhythmic events among critically ill patients with admission hyperglycemia in medical intensive care units (MICU). Methods: A prospective study was conducted on 354 critically ill ICU patients . They were divided into group A with admission hyperglycemia (>180 mg/dL) and group B with admission normoglycemia (≤180 mg/dL). All patients were subjected …


Effect Of Graft Steatosis On The Early Outcome Of Living Donor Liver Transplantation, Kareem Maher Shams Eldeen Hassan, Ahmed Mahmoud Abdelrafee, Ahmed Mohamed Ibrahim Elsabbagh, Mohamed Abd Elwahab Ali Jan 2026

Effect Of Graft Steatosis On The Early Outcome Of Living Donor Liver Transplantation, Kareem Maher Shams Eldeen Hassan, Ahmed Mahmoud Abdelrafee, Ahmed Mohamed Ibrahim Elsabbagh, Mohamed Abd Elwahab Ali

Mansoura Medical Journal

Background

Hepatic steatosis in donor grafts represents a growing challenge in living donor liver transplantation (LDLT) due to the rising prevalence of metabolic syndrome. The impact of varying degrees of graft steatosis on recipient and donor outcomes remains incompletely defined.

Aim

To evaluate the effect of different degrees of graft steatosis on early postoperative outcomes in both recipients and donors following LDLT.

Methods

This retrospective study analyzed 169 LDLT cases performed at Mansoura University between January 2014 and June 2024. Donors aged 18-45 years with BMI≥5% on liver biopsy were included. Grafts were stratified by steatosis degree:20% (n=4). Primary outcome …


Red Cell Distribution Width As A Prognostic Factor And Its Comparison With Lactate In Patients With Sepsis: An Observational Prospective Cohort Study, Ahmed Taha Gad, Ghada Fathy El-Rahmawy, Naglaa Abd El-Latif El-Negeery, Eiad Ahmed Ramzy Jan 2026

Red Cell Distribution Width As A Prognostic Factor And Its Comparison With Lactate In Patients With Sepsis: An Observational Prospective Cohort Study, Ahmed Taha Gad, Ghada Fathy El-Rahmawy, Naglaa Abd El-Latif El-Negeery, Eiad Ahmed Ramzy

Mansoura Medical Journal

Background: Red blood cell distribution width (RDW) is a straightforward and cost-effective parameter that is utilized in laboratory hematology to differentiate anemias. It is indicative of the grade of heterogeneity in erythrocyte volume. This study purpose examine the correlation among the risk of adverse results in patients with sepsis and RDW, as well as to equivalence the mortality discriminative capacity of RDW and lactate levels.

Methods: This observational prospective cohort study was done on 67 sepstic patients aged ≥ 21 years old, both sexes. Patients were owed into two groups according to RDW levels: Group A (n=35): normal RDW …


Hypoalbuminemia As A Predictive Factor For Acute Kidney Injury In Pediatric Patients Running Title: Hypoalbuminemia In Aki Pediatrics, Kareem El-Saeed El-Maasrany, Ayman Hammad, Hosam Zaghloul, Ahmed Elhusseiny Jan 2026

Hypoalbuminemia As A Predictive Factor For Acute Kidney Injury In Pediatric Patients Running Title: Hypoalbuminemia In Aki Pediatrics, Kareem El-Saeed El-Maasrany, Ayman Hammad, Hosam Zaghloul, Ahmed Elhusseiny

Mansoura Medical Journal

Aim: Hypoalbuminemia is a well-known risk factor for illness and death, but its role as a particular predictor of acute kidney injury (AKI) is still not fully understood. This study intended to evaluate the role of hypoalbuminemia as a predictive factor for AKI outcome among pediatric patients, regarding hospital stay, kidney replacement therapy and mortality rate.

Subjects and Methods: This prospective observational cohort was conducted on 70 children with AKI divided into two groups: group I (35 AKI children combined with hypoalbuminemia) and group II (35 AKI children without hypoalbuminemia). All participants were subjected to full history taking, clinical examination …


Fascia Transversalis Block With Different Volumes Of Local Anesthetic And Its Impact On Postoperative Pain In Major Abdominal Surgery: Prospective Randomized Study, Eman Eltabey Lotfi Taman, Mostafa Mohamed Ali Saied, Khaled Mohy Eldeen El Bahrawy, Abdelrahman Mamdouh El Naggar Jan 2026

Fascia Transversalis Block With Different Volumes Of Local Anesthetic And Its Impact On Postoperative Pain In Major Abdominal Surgery: Prospective Randomized Study, Eman Eltabey Lotfi Taman, Mostafa Mohamed Ali Saied, Khaled Mohy Eldeen El Bahrawy, Abdelrahman Mamdouh El Naggar

Mansoura Medical Journal

Background Effective postoperative analgesia remains crucial in abdominal surgery to reduce physiological stress, improve respiratory function, and enhance recovery. The transversalis fascia plane block (TFPB) has recently emerged as an advantageous technique targeting the T12–L1 nerves responsible for somatic and visceral abdominal innervation. Objective To investigate the analgesic efficacy of different volumes of local anesthetic administered in TFPB and compare their effect on postoperative pain, visceral discomfort, and opioid requirements. Methods Eighty-one adult patients undergoing major abdominal surgery under general anesthesia were randomized into 3 groups: control (systemic analgesia only), lowvolume TFPB (20 mL total), and high-volume TFPB (25 mL …


Laparoscopic Versus Open Redo Anti-Reflux Surgery, Mohamed Barkok, Mohammed Said, Ahmed Shehta, Abdel-Raouf El-Geidie Jan 2026

Laparoscopic Versus Open Redo Anti-Reflux Surgery, Mohamed Barkok, Mohammed Said, Ahmed Shehta, Abdel-Raouf El-Geidie

Mansoura Medical Journal

Background

Gastroesophageal reflux disease (GERD) is common. Laparoscopic fundoplication became the gold standard for GERD surgery after medical treatment failed. If a previous anti-reflux surgery fails, redo surgery requires a thorough review to determine the cause and a skilled surgical team. Choosing the optimal approach during the redo surgeries, whether open or laparoscopic hasn’t been previously illustrated.

Aim

To compare the outcomes of laparoscopic versus open redo anti-reflux surgeries.

‎

Patients and methods

This study included 28 patients who underwent redo anti-reflux surgery. The patients were divided according to the approach into laparoscopic (n = 11) and open (n = …


Comparative Study Between Microbotox (Mesobotox) Versus Microneedling With Platelets Rich Plasma In The Treatment Of Atrophic Post-Acne Scars, Eman Ibrahim Abd Elmabood Maghraby, Abeer Mohamed Abdelaziz Elkholy, Noura Abdel Moneim Mohamed Elseessy Jan 2026

Comparative Study Between Microbotox (Mesobotox) Versus Microneedling With Platelets Rich Plasma In The Treatment Of Atrophic Post-Acne Scars, Eman Ibrahim Abd Elmabood Maghraby, Abeer Mohamed Abdelaziz Elkholy, Noura Abdel Moneim Mohamed Elseessy

Mansoura Medical Journal

Background: Acne vulgaris is a chronic inflammatory disorder affecting the pilosebaceous units and ranks as the eighth most prevalent disease worldwide. Acne scarring is a common consequence of acne vulgaris that occurs in some patients. Different treatment modalities have been tried for treating them such as chemical peels, laser-assisted resurfacing, dermabrasion and microneedling (MN). Both Microbotox and Platelet-rich Plasma (PRP) are effective, minimally invasive treatments for improving atrophic post-acne scars, often used with microneedling.

Aim: to Compare the efficacy and safety of microbotox injection versus microneedling combined with platelet-rich plasma in the treatment of atrophic post-acne scars.

Subjects and …


Evaluation Of The Role Of Serum Lactate As A Predictor Of Intestinal Ischemia And Exploration In Adhesive Intestinal Obstruction In Pediatrics, Ahmed F. Sanad, Adham Elsaied, Ahmed Shehta, Ahmad Elhattab Jan 2026

Evaluation Of The Role Of Serum Lactate As A Predictor Of Intestinal Ischemia And Exploration In Adhesive Intestinal Obstruction In Pediatrics, Ahmed F. Sanad, Adham Elsaied, Ahmed Shehta, Ahmad Elhattab

Mansoura Medical Journal

Background: Adhesive small bowel obstruction (ASBO) is a common surgical Problem in children. It sometimes occurs when there are adhesions between bowel loops, it can be treated with conservative management through nasogastric tube (NGT) decompression and upper gastrointestinal contrast study or managed with surgical intervention if conservative management fails. Methods: Our study is a prospective cohort one that included 51 patients diagnosed with ASBO. They were divided into two groups based on whether they were managed conservatively (Group A) or underwent exploration (Group B), Group B was further subdivided into 2 groups: Group B1, including explored cases without resection anastomosis …


Breaking Down Seagrass Fragmentation In A Marine Heatwave Impacted World Heritage Area, Michael D. Taylor, Simone Strydom, Matthew W. Fraser, Ana M.M. Sequeira, Gary A. Kendrick Jan 2026

Breaking Down Seagrass Fragmentation In A Marine Heatwave Impacted World Heritage Area, Michael D. Taylor, Simone Strydom, Matthew W. Fraser, Ana M.M. Sequeira, Gary A. Kendrick

Research outputs 2022 to 2026

Marine heatwaves, and other extreme climatic events, are driving mass mortality of habitat-forming species and substantial ecological change worldwide. However, habitat fragmentation is rarely considered despite its role in structuring seascapes and potential to exacerbate the negative impacts of habitat loss. Here, we quantify fragmentation of globally significant seagrass meadows within the Shark Bay World Heritage Area before and after an unprecedented marine heatwave impacting the Western Australian coastline over the austral summer of 2010/11. We use a spatial pattern index to quantify seagrass fragmentation from satellite-derived habitat maps (2002, 2010, 2014 and 2016), assess potential predictors of fragmentation and …


An Intuitionistic Fuzzy Hypergraph Model Enhanced ‎By Forest-Of-Walks Dynamics For Medical Image ‎Segmentation, Brinthaguru Thangaraj, Karthick Palanisamy Jan 2026

An Intuitionistic Fuzzy Hypergraph Model Enhanced ‎By Forest-Of-Walks Dynamics For Medical Image ‎Segmentation, Brinthaguru Thangaraj, Karthick Palanisamy

Mansoura Engineering Journal

The process of accurately segmenting Urolithiasis and pulmonary nodules from medical images presents significant difficulties because of three main factors which include nonuniform intensity distribution and the presence of weak object borders and the uncertainty caused by anatomical structure overlaps. The study introduces F-Zinhger as a solution to these problems through its application of the Forest of Walks technology. The method uses superpixels as fundamental elements which form a multi-scale hypergraph that establishes hyperedges through three criteria: intensity similarity, spatial proximity, and Z-intuitionistic fuzzy hesitation to capture complex contextual connections. The system incorporates a random walk-based label propagation system. The …