Publications by authors named "Alghamdi N"

Adhering to established guidelines, regional anesthesia (RA) and pain interventions are essential for preventing or minimizing the risk of complications. This study examines neurological complications that may arise when RA or pain interventions are performed without adherence to the clinical practice guidelines. This article aimed to emphasize the relationship between deviations from standards of care in RA and neurological outcomes.

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The present study investigated the involvement of human papillomavirus (HPV)16 and HPV18 in oropharyngeal malignancies in order to understand the oncogenic mechanisms, and to identify biomarkers for early detection and treatment targets. Given the rising incidence of HPV-associated cancer, particularly in India, this holds significance in elucidating the molecular basis of these diseases. Structural validation of HPV16 and 18 oncoproteins E6 and E7 was conducted using computational tools, while gene expression profiles related to oral squamous cell carcinoma (OSCC) were analyzed to assess differential expression.

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Purpose: To evaluate residual refractive errors after intraocular lens (IOL) extraction and the safety and effectiveness of refractive correction procedures.

Methods: The eligibility criteria for this systematic review were patients who had undergone cataract or clear lens extraction and had experienced residual refractive error. All study designs were considered for inclusion and non-English publications, non-peer reviewed articles, books, and systematic reviews were excluded.

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Article Synopsis
  • The study investigates the preferences and clinical practices of physicians in Saudi Arabia regarding airway clearance devices for managing chronic obstructive pulmonary disease (COPD).
  • A survey conducted with 445 physicians revealed that most prefer Flutter and Acapella devices, but 12.6% were unfamiliar with any device.
  • Despite the preferences, there is a notable lack of prescribing history for these devices, indicating a need for increased awareness and integration into COPD treatment practices.
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Introduction Nasopharyngeal carcinoma (NPC) is an uncommon cancer globally, with a low incidence in Western countries. However, this rate increases significantly in some endemic regions, including the Middle East. Although studies have evaluated the physical health outcomes, treatment efficacy, and short-term effects, long-term effects - especially quality of life (QoL) - have been neglected.

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Introduction Acne vulgaris affects 9.4% of the global population, primarily targeting teenagers, and persists into adulthood. It is considered a major health challenge in Saudi Arabia due to its high prevalence, but there is a lack of studies in Al-Baha City, Saudi Arabia.

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We report the case of a 39-year-old man who presented with a history of generalized fatigue, nausea, subjective fever with rigors, and renal dysfunction after receiving infliximab (IFX) therapy for Crohn's disease. A renal biopsy revealed acute tubulointerstitial nephritis (ATIN). After other causes of acute kidney injury were excluded, steroid therapy was initiated, his fever subsided, and kidney function improved.

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The grading of non-muscle invasive bladder cancer (NMIBC) continues to face challenges due to subjective interpretations, which affect the assessment of its severity. To address this challenge, we are developing an innovative artificial intelligence (AI) system aimed at objectively grading NMIBC. This system uses a novel convolutional neural network (CNN) architecture called the multi-scale pyramidal pretrained CNN to analyze both local and global pathology markers extracted from digital pathology images.

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The purpose of this study is to present our experience with Hoffman's SFIOL using double-armed Gore-Tex sutures (polytetrafluoroethylene) instead of 9.0 polypropylene suture method in four cases. In this case series article, we present our experience with Hoffman's SFIOL using double-armed Gore-Tex sutures (polytetrafluoroethylene) instead of 9.

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Article Synopsis
  • The World Health Organization says that about 300 million women in developing countries face health problems related to pregnancy and childbirth.
  • A study in the Al-Baha Region of Saudi Arabia looked at how much pregnant women know about signs that indicate complications during pregnancy.
  • Most women in the study understood signs like bleeding and pain, but some still lacked knowledge and had negative attitudes, showing that there's a need for better education about pregnancy risks.
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  • The study examines the effectiveness of conservative vs. surgical treatments for dental caries in a cohort of 500 patients over a two-year period.
  • Out of 300 subjects analyzed, 60% received conservative treatments while 40% underwent surgical interventions, with both groups achieving similar results in tooth survival, caries recurrence, and patient satisfaction.
  • The findings suggest that both treatment approaches are equally effective long-term, highlighting the need for personalized care, and call for further research to strengthen evidence-based dental practices.
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Objective: The purpose of this investigation was to assess the effectiveness of various gutta-percha retrieval methods in endodontic retreatment.

Methods: Five groups were randomly allocated to extract human teeth that had already had root canal therapy: manual files, rotary tools, heat, solvents, and ultrasonics. By evaluating the amount of filling material still present, gutta-percha clearance was quantitatively examined, and root canal cleanliness was qualitatively appraised.

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  • The study examined how parental dental fear and children's dental fear affect the Oral Health-Related Quality of Life (OHRQoL) of Saudi children aged 7-12 in the Eastern Province.
  • Data from 93 children were collected through clinical exams and validated questionnaires, with analyses showing that high dental fear and dental caries correlate with lower OHRQoL.
  • The results also indicated a strong link between parental fear of dentists and children's fear, highlighting a potential cycle of dental anxiety within families.
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There is evidence that antibiotics are sometimes prescribed inappropriately by dental practitioners, which can lead to undesirable outcomes. This study aimed to assess the impact of a clinical audit on antibiotic prescribing practices at Taibah University Dental Hospital in Madina, Saudi Arabia. The study retrospectively analyzed antibiotic-prescribing data for pediatric patients by dental interns and faculty members over a period of 8-months.

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The mediator complex subunit 23 () gene encodes a protein that acts as a tail module mediator complex, a multi-subunit co-activator involved in several cellular activities. has been shown to have substantial roles in myogenesis and other molecular mechanisms. The functions of in the neurological system remain unclear and the clinical phenotype is not thoroughly described.

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Aim: The aim of the study was to assess adherence to asthma controller therapy and factors that influence asthma control and to determine the association between asthma knowledge of the caregiver and asthma control among admitted children with asthma.

Settings And Design: A cross-sectional study was conducted between November 2022 and May 2023 in a tertiary care hospital. Children with a diagnosis of asthma aged 2-14 years, who were admitted to the hospital with an exacerbation of asthma were identified.

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Multisystemic inflammatory syndrome (Mis-C) has emerged in May 2020 as a serious complication of coronavirus disease (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV2). A total of 6 children presented to tertiary care hospitals with Mis-C, of which 5 (83%) have died during hospitalization. All included patients presented with respiratory symptoms (ranged from mild to severe acute respiratory distress syndrome) and gastrointestinal symptoms.

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  • Prostate cancer (PC) is a common and serious cancer in men, but current diagnostic methods like biopsies have drawbacks in invasiveness and accuracy.
  • This study introduces a machine learning technique that uses clinical data and personalized questionnaires to improve PC diagnosis, employing various advanced methods including CNNs for tabular data analysis.
  • The proposed approach shows impressive results with an F1-score of 0.907 and AUC of 0.911, indicating a potential for accurate PC detection without invasive and expensive tests.
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Compulsive exercise is a condition characterized by uncontrollable exercise behaviour that may lead to severe and harmful physical and psychological consequences. Indeed, compulsive exercise is among the early symptoms of eating disorders that may affect different age groups. Globally and among Arab countries, compulsive exercise is common, while the screening methods used to assess compulsive exercise are limited.

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Neurogliaform cells are a distinct type of GABAergic cortical interneurons known for their 'volume transmission' output property. However, their activity and function within cortical circuits remain unclear. Here, we developed two genetic tools to target these neurons and examine their function in the primary visual cortex.

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Rationale/background: Hemodialysis (HD) patients with end-stage renal disease (ESRD) are particularly prone to constipation, which has become a growing public health issue. Nutritional therapy, such as fiber intake, significantly influences the management of constipation. In Saudi Arabia, there is limited data on fiber consumption and its correlation with constipation management in HD patients.

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Background And Objective: This paper proposes a fully automated and unsupervised stochastic segmentation approach using two-level joint Markov-Gibbs Random Field (MGRF) to detect the vascular system from retinal Optical Coherence Tomography Angiography (OCTA) images, which is a critical step in developing Computer-Aided Diagnosis (CAD) systems for detecting retinal diseases.

Methods: Using a new probabilistic model based on a Linear Combination of Discrete Gaussian (LCDG), the first level models the appearance of OCTA images and their spatially smoothed images. The parameters of the LCDG model are estimated using a modified Expectation Maximization (EM) algorithm.

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Article Synopsis
  • - The COVID-19 pandemic has accelerated the need for businesses to adopt technology and transform operations electronically, with the Internet of Things (IoT) playing a key role in this transition.
  • - IoT, exemplified by wireless sensor networks (WSN), allows for remote monitoring of various environmental conditions and finds applications in areas like smart homes.
  • - To address security concerns in WSNs, a new protocol utilizing four-factor authentication has been proposed, demonstrating improved data protection and a strong defense against potential threats.
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COVID-19 (Coronavirus), an acute respiratory disorder, is caused by SARS-CoV-2 (coronavirus severe acute respiratory syndrome). The high prevalence of COVID-19 infection has drawn attention to a frequent illness symptom: olfactory and gustatory dysfunction. The primary purpose of this manuscript is to create a Computer-Assisted Diagnostic (CAD) system to determine whether a COVID-19 patient has normal, mild, or severe anosmia.

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Prostate cancer is a significant health concern with high mortality rates and substantial economic impact. Early detection plays a crucial role in improving patient outcomes. This study introduces a non-invasive computer-aided diagnosis (CAD) system that leverages intravoxel incoherent motion (IVIM) parameters for the detection and diagnosis of prostate cancer (PCa).

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