Publications by authors named "Khan H"

This review explores the concept of futility timeouts and the use of traumatic brain injury (TBI) as an independent predictor of the futility of resuscitation efforts in severely bleeding trauma patients. The national blood supply shortage has been exacerbated by the lingering influence of the COVID-19 pandemic on the number of blood donors available, as well as by the adoption of balanced hemostatic resuscitation protocols (such as the increasing use of 1:1:1 packed red blood cells, plasma, and platelets) with and without early whole blood resuscitation. This has underscored the urgent need for reliable predictors of futile resuscitation (FR).

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Transposable elements (TEs) are DNA sequences that can move or replicate within a genome, and their study has become increasingly important in understanding genome evolution and function. The Tridactylidae family, including Xya riparia (pygmy mole cricket), harbors a variety of transposable elements (TEs) that have been insufficiently investigated. Further research is required to fully understand their diversity and evolutionary characteristics.

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The ex vivo myofiber culture system has proven to be a useful methodology to explore the biology and behavior of satellite cells within their niche environment. However, a limitation of this system is that myofibers and their associated satellite cells are commonly examined using conventional fluorescence microscopy, which renders a three-dimensional system into two-dimensional imaging, leading to the loss of precious information or misleading interpretation of observations. Here, we report on the use of light-sheet fluorescence microscopy to generate three-dimensional and live imaging of satellite cells on myofibers.

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Background: Kawasaki disease (KD) is an acute febrile illness of childhood that can lead to coronary artery aneurysms (CAAs) and myocardial infarction. Intravenous immunoglobulin reduces the prevalence of CAA when given to patients with KD within 10 days of fever onset. Children with KD may undergo evaluation for other diagnoses before treatment, particularly those with incomplete KD criteria.

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  • The study investigates how type 2 diabetes mellitus (T2DM) affects patients with end-stage liver disease who are on a liver transplantation waiting list.
  • It includes 593 adult patients registered for liver transplant between 2010 and 2017 and assesses various clinical outcomes over a year, such as hospitalizations and the likelihood of receiving a transplant.
  • Results indicate that patients with T2DM experience worse clinical outcomes, such as a higher risk of complications and lower chances of receiving a liver transplant, suggesting that the MELD score may not adequately reflect these risks.
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Background: Head and neck carcinoma of unknown primary (CUP) represents a challenging diagnostic process when standard work-up fails to identify the primary tumour site. The aim of this systematic review and meta-analysis was to evaluate the diagnostic utility and complication profile of transoral robotic surgery (TORS) tongue base mucosectomy (TBM) in the management of CUP.

Patients And Methods: An electronic database search was performed in the EMBASE, MEDLINE, PubMed and Cochrane databases.

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  • Infiltrative basal cell carcinoma (iBCC) and desmoplastic trichoepithelioma (DTE) can occur together in the same skin lesion, which is a rare situation.
  • While iBCCs are common malignant tumors that can cause local damage and have a chance of recurring, DTEs are benign tumors that develop from hair follicles and can appear similar to iBCCs.
  • A case study of a 36-year-old woman with a cheek lesion containing both an iBCC and a DTE highlights the need to differentiate between these tumors due to their differing risks, along with a literature review pointing out the rarity of such combined tumors and possible genetic connections.
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 Despite the evidence against drain placement after thyroidectomy, there is a lack of consensus on drain use in patients with substernal goiter.  To assess the factors that increase the likelihood of drain placement and its impact on postoperative hematoma and other 30-day complications among adult patients undergoing thyroidectomy for substernal goiter.  A retrospective cohort study that used data from the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP).

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Background And Aims: Vibration-controlled transient elastography (VCTE) is used in clinical practice to risk-stratify liver transplant (LT) recipients; however, there are currently little data demonstrating the relationship between VCTE and clinical outcomes.

Methods: A total of 362 adult LT recipients with successful VCTE examination between 2015 and 2022 were included. Presence of advanced fibrosis was defined as liver stiffness measurement (LSM) ≥10.

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To solve environmental-related issues (wastewater remediation, energy conservation and air purification) caused by rapid urbanization and industrialization, synthesis of novel and modified nanostructured photocatalyst has received increasing attention in recent years. We herein report the facile synthesis of in situ nitrogen-doped chemically anchored TiO with graphene through sol-gel method. The structural analysis using X-ray diffraction showed that the crystalline nitrogen-doped graphene-titanium dioxide (N-GT) nanocomposite is mainly composed of anatase with minor brookite phase.

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Purpose: Split abdominal wall muscle flap (SAWMF) is a technique to repair large defects in congenital diaphragmatic hernia (CDH). A possible objection to this intervention could be any associated abdominal muscle weakness. Our aim is to analyze the evolution of this abdominal muscle wall weakness.

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Sesamoid and accessory bones are small, oval-shaped structures that develop within tendons that pass over bony prominences. Although rare, accessory bones in the elbow region hold clinical significance because they can cause diagnostic uncertainty. We present the case of a 47-year-old previously healthy female patient who presented with left elbow pain and was discovered to have a sesamoid bone distal to the medial epicondyle of the humerus.

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  • Gram-negative bacteria use the proton motive force (PMF) in their inner membrane to maintain their cell envelope, crucial for survival and division.
  • The study presents detailed cryo-EM images of the TolQ protein in two states: one when it's not bound to TolR (apo form) and another when it is bound, showing significant structural changes.
  • The findings reveal how the TolQ-TolR complex functions like a rotor-stator system, enhancing our understanding of the mechanisms behind bacterial cell envelope integrity and division.
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  • Dementia is a widespread issue in the U.S., affecting millions and highlighting the need for healthy cognitive aging to enhance well-being and quality of life.
  • A research study in West Texas explored how lifestyle factors like sleep, diet, and exercise relate to brain atrophy in older adults with mild cognitive impairment (MCI), Alzheimer's disease (AD), and healthy individuals.
  • Findings indicate that sleep deprivation and low physical activity are linked to brain volume loss, while diet—particularly fruit and vegetable intake—affects certain brain regions, stressing the necessity for lifestyle changes to support cognitive health and prevent disease.
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Unlabelled: Traditionally, successful vaccines rely on specific adaptive immunity by activating lymphocytes with an attenuated pathogen, or pathogen subunit, to elicit heightened responses upon subsequent exposures. However, recent work with and other pathogens has identified a role for "trained" monocytes in protection through memory-like but non-specific immunity. Here, we used an co-culture approach to study the potential role of trained macrophages, including lung alveolar macrophages, in immune responses to the Live Vaccine Strain (LVS) of is an intracellular bacterium that replicates within mammalian macrophages and causes respiratory as well as systemic disease.

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Carotid stenosis (CS) is an atherosclerotic disease of the carotid artery that can lead to devastating cardiovascular outcomes such as stroke, disability, and death. The currently available treatment for CS is medical management through risk reduction, including control of hypertension, diabetes, and/or hypercholesterolemia. Surgical interventions are currently suggested for patients with symptomatic disease with stenosis >50%, where patients have suffered from a carotid-related event such as a cerebrovascular accident, or asymptomatic disease with stenosis >60% if the long-term risk of death is <3%.

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Abdominal aortic aneurysm (AAA) is a progressive dilatation of the aorta that can lead to aortic rupture. The pathophysiology of the disease is not well characterized but is known to be caused by the general breakdown of the extracellular matrix within the aortic wall. In this comprehensive literature review, all current research on proteins that have been investigated for their potential prognostic capabilities in patients with AAA was included.

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Atrichia with papular lesions (APL) is a hair abnormality characterized by loss of hair on the scalp and rest of the body. In a few cases, hair loss is accompanied by the appearance of keratotic papules on the body. It is inherited in an autosomal recessive manner.

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Retroperitoneal cysts, a rare surgical phenomenon, present diagnostic challenges due to their typically asymptomatic nature. A 62-year-old male presented with a 4-month history of abdominal distension and increased burping. Upon clinical examination, a soft, distended, nontender abdomen with a palpable mass extending from the epigastric region to 3 cm below the umbilicus was revealed.

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Background: Dental pathogens play a crucial role in oral health issues, including tooth decay, gum disease, and oral infections, and recent research suggests a link between these pathogens and oral cancer initiation and progression. Innovative therapeutic approaches are needed due to antibiotic resistance concerns and treatment limitations.

Methods: We synthesized and analyzed piperine-coated zinc oxide nanoparticles (ZnO-PIP NPs) using UV spectroscopy, SEM, XRD, FTIR, and EDAX.

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  • - Atrioventricular block (AVB) is uncommon in hyperthyroidism, and this study aimed to clarify its prevalence, types, management, and outcomes through a systematic review of existing literature.
  • - The review included 56 studies with 87 patients, revealing that complete heart block (CHB) was the most frequent form of AVB, affecting over 51% of those studied, and only a small number required pacemaker insertion.
  • - Findings indicate that while CHB is prevalent, most cases in hyperthyroid patients can be treated effectively with anti-thyroid medications, with limited differences in outcomes based on whether patients received pacing.
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  • - The text discusses Calcium Release Deficiency Syndrome (CRDS), a serious genetic heart condition that can cause sudden cardiac arrest without clear reasons and is not detectable through standard tests.
  • - The study aimed to analyze electrocardiogram (ECG) responses after brief periods of fast heart rates followed by pauses in order to develop a diagnostic test for CRDS.
  • - Findings showed that patients with CRDS had a significantly greater change in T-wave amplitude on their ECG after a pause compared to control groups, indicating a potential diagnostic marker for this syndrome.
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