Publications by authors named "Youssef Y"

Adenomyosis is a commonly encountered pathology in women of reproductive age and frequently coexists with infertility. The effect of adenomyosis on fertility, particularly on fertilisation and intracytoplasmic sperm injection outcomes, is not well understood. Various pretreatment modalities have been used to improve pregnancy rates and live birth outcomes; however, because of a lack of high-quality evidence, there is no clear consensus on the best pretreatment option.

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Development of supercritical carbon dioxide (SC-CO) dyeing technology for natural fabrics and their blended fabrics is essential for the textile industry due to environmental and economic considerations. Wool (W), polyester (PET) and nylon (N) fabrics and their wool/polyester (W/PET) and wool/nylon (W/N) blended fabrics were dyed in SC-CO medium with a synthesized reactive disperse dye containing a vinylsulphone (VS) reactive group, which behaves as a disperse dye for synthetic fibers and a reactive dye for protein fibers. The SC-CO dyeing performance of all fabrics was investigated in terms of color strength, fixation, colorimetric and fastness measurements and compared with the conventional aqueous dyeing method.

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Background: Ruptures of the anterior cruciate ligament (ACL) are common injuries. Reconstruction using autologous grafts is recommended to prevent further damage and functional impairment. Grafts are usually prepared with stabilizing sutures.

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Periprosthetic joint infections (PJIs) are dramatic complications after primary total joint arthroplasty. Despite increasing research in this field, the diagnosis, classification, and management of PJI remain a challenge. This is mainly due to the heterogenous clinical presentation of PJI in clinical routine and patient-related factors as secondary diagnosis and periprosthetic tissue condition.

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Background: Spinal injuries in childhood are rare. There are few meaningful data for German-speaking countries.

Questions/aim Of The Study: Evaluation of the registry data of the German Spine Society (DWG) with respect to the reality of care for thoracolumbar injuries in childhood.

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Background: Adenomyosis is a chronic, debilitating condition characterised by the presence of endometrial- like glands and stroma within the myometrium. While hysterectomy remains the definitive treatment, uterus- sparing surgeries may be a possible option for patients desiring to maintain fertility. Surgical management, along with medical treatment and/or Assisted Reproductive Technology (ART), can improve outcomes.

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Background: After the fusion of the fields of orthopedics and trauma surgery in 2006 the educational content significantly increased. The acquisition of non-surgical diagnostic and treatment skills seems to fall behind in the classical operatively focused residency programs. This study presents a status quo of the non-surgical education and knowledge in the field of orthopedics and traumatology in Germany.

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Selecting suitable Megacity Solid Waste Disposal (MSWD) sites is a challenging task in densely populated deltas of developing countries, exacerbated by limited public awareness about waste management. One of the major environmental concerns in Dhaka City, the world's densest megacity, is the presence of dumps close to surface water bodies resources. This study employed the Geographic Information System (GIS)-Analytic Hierarchy Process (AHP) framework to integrate geomorphological (slope and flow accumulation), geological (lithological and lineament), hydrogeological (depth to groundwater table and surface waterbody), socioeconomic (Land use land cover, distance to settlement, road, and airport), and climatological (wind direction) determinants, coupled by land-use and hydro-environmental analyses, to map optimal dumps (MSWD sites.

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Background: Influenza represents a significant global health burden for individuals and society. This study assessed the burden of medically attended influenza at a tertiary medical center in Lebanon to describe the demographics, risk factors, and outcomes prior to the COVID-19 pandemic.

Methods: This was a retrospective review of patients who tested positive for the influenza virus during three seasons between July 1, 2016 to June 30, 2019, at the American University of Beirut Medical Center.

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Outcomes for patients receiving radiotherapy (RT) for non-metastatic esophageal cancer at a single institution were assessed, as well as the impact of factors including age and intensity modulated RT (IMRT) planning on patient outcomes. A retrospective cohort of patients treated with RT for stage I-III esophageal cancer between 2010 and 2018 was identified. Among 248 identified patients, 28 % identified as older (≥75 years of age).

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Dyeing using supercritical carbon dioxide (SC-CO) is carried out on the polypropylene (PP) nanocomposite fabrics with model disperse dye compared with their regular fabric at various dyeing temperatures and pressures. The results are compared with those obtained in aqueous dyeing method. The PP nanocompsite fabrics dyed in SC-CO medium exhibited higher colour strength (K/S) values compared with their PP regular fabric.

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Objective: To assess the perception of medical students at Alfaisal University College of Medicine (AUCOM) of their learning environment at a referral-based tertiary hospital in Riyadh, Saudi Arabia.

Methods: The validated Dundee Ready Educational Environment Measure (DREEM) questionnaire was administered to all year 4 and year 5 students during the academic year 2020-2021. Scores were analyzed using the descriptors provided by the questionnaire developers and compared across different students' cohorts using SPSS.

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To investigate the relationship between preeclampsia and SARS-CoV-2 infection during pregnancy. This was a retrospective cohort study of pregnant women between March and October 2020. Pregnant patients admitted to 14 obstetrical centers in Michigan, USA formed the study population.

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This research aimed to weave the warp indigo-dyed cotton yarn with un-dyed or dyed silk yarn and analyze the impact of different weft yarn structures on the properties of denim fabrics. The dyed silk yarn was performed by a selection of different anionic indigo and non-indigo blue dyestuffs. The dyeing shades of the anionic Indigo Carmine dye on silk exhibited high build-up at the acidic pH range 2-2.

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Endometriosis is one of the most common gynecologic conditions that women face throughout their lives. Despite advances in technology, diagnosis and treatment of this relapsing and remitting condition is still challenging for many women. This review focuses on literature pertaining to minimal/mild (stage I/II) endometriosis and its impact on fertility.

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Adenomyosis is a benign condition commonly encountered in patients with infertility. While the definitive surgical management is hysterectomy, conservative surgical management is gaining attention in patients desiring future fertility. This review explores whether the surgical treatment of adenomyosis affects fertility outcomes for patients trying to conceive.

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Background: Social media (SM) has been recognized as a professional communication tool in the field of orthopedic and trauma surgery that can enhance communication with patients and peers, and increase the visibility of research and offered services. The specific purposes of professional SM use and the benefits and concerns among orthopedic and trauma surgeons, however, remain unexplored.

Objective: This study aims to demonstrate the specific uses of different SM platforms among orthopedic and trauma surgeons in Germany as well as the advantages and concerns.

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Background: The field of orthopedics and trauma surgery is facing a serious shortage of new talent due to the increasing average age of active surgeons and a growing need for staff. The appeal of these specialties is declining among medical students.

Solutions: This trend could be reversed by introducing practice-oriented curricula, mentoring programs, and early integration into professional societies.

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Background: Bilateral suprarenal neuroblastoma (BSN) is a rare presentation. Few previously published literature showed BSN patients to have favorable pattern and prognosis. This study aim was to evaluate clinical and biological features in relation to outcome of Egyptian patients with BSN.

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Article Synopsis
  • This study explored the use of virtual reality (VR) simulators to enhance surgical skills training for medical students, focusing on an elective course in a VR operating theater during summer 2023.
  • Using Oculus Quest 2 headsets and the PrecisionOS platform, the 12 participating students trained on five surgical procedures while engaging in discussions and instructional videos, with their progress measured through questionnaires.
  • Results showed that students found VR training beneficial, with 91% wanting more VR opportunities; those in the VR group scored significantly higher in procedural knowledge during the training compared to the non-VR group.
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Research Problem: Hypertension is a multifactorial disease that affects approximately one third of the Tunisian adult population. It is a major risk factor for stroke and cardiovascular disease. Environmental and psychosocial factors play an important role in hypertension onset and control.

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Periprosthetic joint infections (PJI) are serious complications after arthroplasty, associated with high morbidity, mortality, and complex treatment processes. The outcomes of different PJI entities are largely unknown. The aim of this study was to access the early outcomes of different PJI entities.

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Objectives: Proximal femur fractures (PFF) are common injuries in elderly patients and can have considerable effects on their quality of life, morbidity, and mortality. Due to pre-existing comorbidities, the prevalence of anticoagulated patients is increasing. The right timing for surgery and perioperative anticoagulation treatment remains controversial.

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