Introduction: With the growing number of posterior open surgery, the incidence of failed back surgery syndrome (FBSS) increases gradually. Currently, there is a lack of predictive systems and scientific evaluation in clinical practice. This study aimed to risk factors analysis of FBSS and develop a risk prediction model.
View Article and Find Full Text PDFBackground: The relation between shoulder pain and scapular movement impairments is still unclear. The scapular assistance test (SAT) assesses the influence of shoulder pain on abnormal scapular movement or positions. This study aimed to investigate scapular kinematics during arm raising/lowering with and without elastic resistance in volleyball players with positive and negative SAT.
View Article and Find Full Text PDFIntroduction: Meaning-making coping is used by people with cancer to help them deal with the stress and emotional turmoil associated with their diagnosis. It is a multifaceted approach that can be influenced by cultural, existential, and personal factors. Research on meaning-making coping among Filipinos diagnosed with cancer is sparse.
View Article and Find Full Text PDFBackground: There are many reports about the risk factors for recurrence after laminectomy surgery. Some surgeons use unilateral and bilateral fusion to provide sufficient stability to the lumbar spine. However, its strength, safety, and effectiveness in young patients are not widely known.
View Article and Find Full Text PDFAims/hypothesis: Diabetic retinopathy is characterised by neuroinflammation that drives neuronal and vascular degenerative pathology, which in many individuals can lead to retinal ischaemia and neovascularisation. Infiltrating macrophages and activated retina-resident microglia have been implicated in the progression of diabetic retinopathy, although the distinct roles of these immune cells remain ill-defined. Our aim was to clarify the distinct roles of macrophages/microglia in the pathogenesis of proliferative ischaemic retinopathies.
View Article and Find Full Text PDFBackground: During the COVID-19 pandemic, some patients who were transported to the operating room for emergency surgery had COVID-19; operating room nurses should be in direct contact with these patients in a small and closed space of the operating room. This can lead to unpleasant experiences for these people. Accordingly, this study was conducted to understand the experience of operating room nurses during the surgery of COVID-19 patients.
View Article and Find Full Text PDFIn this paper, we have mapped the coping methods used to address the coronavirus pandemic by members of the academic community. We conducted an anonymous survey of a convenient sample of 674 faculty/staff members and students from September to December 2020. A modified version of the RCOPE scale was used for data collection.
View Article and Find Full Text PDFSensors (Basel)
March 2024
This study employs Multiscale Entropy (MSE) to analyze 5020 binocular eye movement recordings from 407 college-aged participants, as part of the GazeBaseVR dataset, across various virtual reality (VR) tasks to understand the complexity of user interactions. By evaluating the vertical and horizontal components of eye movements across tasks such as vergence, smooth pursuit, video viewing, reading, and random saccade, collected at 250 Hz using an ET-enabled VR headset, this research provides insights into the predictability and complexity of gaze patterns. Participants were recorded up to six times over a 26-month period, offering a longitudinal perspective on eye movement behavior in VR.
View Article and Find Full Text PDFWound repair in the retina is a complex mechanism, and a deeper understanding of it is necessary for the development of effective treatments to slow down or even prevent degenerative processes leading to photoreceptor loss. In this study, we harnessed a laser-induced retinal degeneration model (532-nm laser photocoagulation with 300 μm spot size, 60 ms duration and 60 mV pulse), enabling a profound molecular elucidation and a comprehensive, prolonged observation of the wound healing sequence in a murine laser-induced degeneration model (C57BL/6J mice, 6-12 weeks) until day 49 post-laser. Our observations included the expression of specific extracellular matrix proteins and myofibroblast activity, along with an analysis of gene expression related to extracellular matrix and adhesion molecules through RNA measurements.
View Article and Find Full Text PDFObjectives: Fear of pain in dentistry especially the injection involved in most of the processes has always been an important issue preventing the patients from consulting a dentist at the right time. This study aims to evaluate the effect of photobiomodulation therapy on reduction of pain in infiltration injection.
Materials And Methods: This trial is a crossover study including 30 patients.
Introduction: Teaching-learning is the heart of medical education in the clinical setting. The objective of this research was to develop a conceptual model of effective clinical teaching in undergraduate medical education and conceptualize its operational framework based on the best fit approach.
Materials And Methods: This research consisted of three sub-studies conducted using a multi-method approach.
This study investigated the efficiency of hydrochar derived from hydrothermal fulvification of wheat straw in adsorbing malachite green (MG) dye. The characterizations of the hydrochar samples were determined using various analytical techniques like SEM, EDX, FTIR, X-ray spectroscopy, BET surface area analysis, ICP-OES for the determination of inorganic elements, elemental analysis through ultimate analysis, and HPLC for the content of sugars, organic acids, and aromatics. Adsorption experiments demonstrated that hydrochar exhibited superior removal efficiency compared to feedstock.
View Article and Find Full Text PDFExpert Opin Investig Drugs
November 2023
Graefes Arch Clin Exp Ophthalmol
March 2024
Proliferative vitreoretinopathy (PVR) remains the main cause of failure in retinal detachment (RD) surgery and a demanding challenge for vitreoretinal surgeons. Despite the large improvements in surgical techniques and a better understanding of PVR pathogenesis in the last years, satisfactory anatomical and visual outcomes have not been provided yet. For this reason, several different adjunctive pharmacological agents have been investigated in combination with surgery.
View Article and Find Full Text PDFBackground: Due to the sensitivity of the surgical site and a higher probability of injury, the use of a scalpel and electrocautery to create an incision in the spine is discussed. In this study, we will compare the intraoperative and postoperative complications of the scalpel and electrocautery techniques for severing the inner layers of the lumbar disc during discectomy surgery.
Materials And Methods: This study was conducted in Iran as a randomized controlled trial with double-blinding (1,401).
Front Med (Lausanne)
September 2023
Purpose: To report a case series of herpetic uveitis following COVID-19 vaccinations.
Methods: Demographic, clinical and treatment-related data of herpetic anterior uveitis cases was collected at five tertiary eye hospitals between January 2021 and June 2022. A retrospective database review at one of the centers comparing the number of cases of herpetic eye disease before and after the introduction of COVID-19 vaccination was performed as well.
During the COVID-19 pandemic, Iran's mass education centers, which house a large number of trainees, encountered numerous difficulties in managing the disease. Understanding these challenges can help manage future pandemics. This study was conducted to explore the challenges of managing the COVID-19 pandemic in mass education centers in Iran.
View Article and Find Full Text PDFReactive gliosis is a hallmark of chronic degenerative diseases of the retina. As gliosis involves macroglia, we investigated their gliotic response to determine the role of S100β and intermediate filaments (IFs) GFAP, vimentin, and nestin during tissue repair in a laser-induced model of retinal degeneration. We validated the results with human retinal donor samples.
View Article and Find Full Text PDFThe coronavirus pandemic changed the academic world in many ways, and most academic institutions continue operating through teleworking. The aim of the present study was to determine how satisfied the university community (faculty/staff members and students) in Iran has been with remote work, and the ways in which they have dealt with the lockdown and working from home during the coronavirus pandemic. A survey was conducted among 196 academics from different universities in Iran.
View Article and Find Full Text PDFInt J Environ Res Public Health
March 2023
Aims: This study aimed to describe and understand the individual and social dimensions of resiliency among Iranian academics as professionals during the early wave of the ongoing pandemic. Furthermore, we aimed to emphasize the cultural context in our analysis.
Method: A cross-sectional survey design was adopted.
Subretinal fibrosis can occur during neovascular age-related macular degeneration (nAMD) and consequently provokes progressing deterioration of AMD patient's vision. Intravitreal anti-vascular endothelial growth factor (VEGF) injections decrease choroidal neovascularization (CNV), however, subretinal fibrosis remains principally unaffected. So far, no successful treatment nor established animal model for subretinal fibrosis exists.
View Article and Find Full Text PDFUnlabelled: Acute myeloid leukemia (AML) is fueled by leukemic stem cells (LSC) whose determinants are challenging to discern from hematopoietic stem cells (HSC) or uncover by approaches focused on general cell properties. We have identified a set of RNA-binding proteins (RBP) selectively enriched in human AML LSCs. Using an in vivo two-step CRISPR-Cas9 screen to assay stem cell functionality, we found 32 RBPs essential for LSCs in MLL-AF9;NrasG12D AML.
View Article and Find Full Text PDFAn imbalance of plasma apolipoproteins has been linked to diabetic retinopathy (DR); however, there is scarce information regarding their presence in the aqueous humor (AH) and their role in DR. Here, we aimed at analysing the relationship between apolipoprotein concentrations in human AH and the severity of DR. Concentrations of apolipoproteins were measured retrospectively in patients with type 2 diabetes mellitus (T2DM) without DR ( = 23), with mild to moderate nonproliferative DR (NPDR) ( = 13), and advanced NPDR/proliferative DR (PDR) ( = 14) using a multiplex immunoassay.
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