Publications by authors named "Kushagra Mathur"

Background And Aims: Antibodies targeting bacterial cytolethal distending toxin subunit B (CdtB) and vinculin are diagnostic of post-infection irritable bowel syndrome (IBS). In this study, we explored the temporal behavior of anti-CdtB and anti-vinculin antibodies and potential relationships to IBS symptoms. The potential impacts of antibody reduction therapies were also assessed.

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Introduction: Screening tests like colonoscopy can prevent colorectal cancer (CRC), yet their effectiveness is often questioned. The Nordic-European Initiative on Colorectal Cancer (NordICC) trial demonstrated that colonoscopy significantly reduces CRC incidence and mortality in per-protocol analysis. However, media coverage of the trial often focused on intention-to-screen findings that showed no change in mortality, possibly contributing to public confusion about colonoscopy benefits.

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Glioblastoma multiforme (GBM) is a World Health Organisation (WHO) grade IV glioma originating from astrocytes. It is the most common malignant primary tumour of the brain and central nervous system (CNS) and is associated with fast progression and violent local spread, with a median overall survival of approximately 15 months after diagnosis. Due to its late and varied presentation, it is often diagnosed only after it has grown considerably.

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Article Synopsis
  • A 72-year-old woman with pre-existing health issues underwent an ERCP to remove bile duct stones but faced complications including abdominal pain and jaundice post-surgery.
  • During the ERCP, she experienced a drop in oxygen saturation and arrhythmia, leading to a diagnosis of gas embolism confirmed by imaging, revealing air bubbles in her heart.
  • Despite several emergency interventions, her condition worsened, and due to financial constraints, she was discharged against medical advice, highlighting the rarity and management difficulties of ERCP-related air embolism.
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Introduction: Upper gastrointestinal (UGI) cancers, comprising malignancies of the esophagus, stomach, duodenum, pancreas, liver, biliary tract, and gallbladder, are the second leading cause of cancer-related mortality in the United States and are associated with significant comorbidities. Recent studies show a disproportionate rise in pancreatic and stomach cancer among young adults. This study aims to use a nationwide, population-based cohort to (i) evaluate the trend of all UGI cancer as an aggregate and (ii) examine the role of demographics, histology, and tumor stage in UGI cancer incidence among young adults.

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Background: Stool characteristics are used as a measure of ulcerative colitis (UC) disease activity, but they have not been validated against objective inflammation. We aimed to determine whether stool characteristics measured by trained artificial intelligence (AI) and physicians correlate with inflammation in UC.

Methods: Patients hospitalized with acute severe UC (ASUC) were asked to capture images of all bowel movements using a smartphone application (Dieta®).

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Surgical clip migration into the common bile duct (CBD) with subsequent stone formation is an exceedingly rare complication following both laparoscopic and open cholecystectomy, with fewer than 100 cases reported in the literature. Herein, we present the case of a 78-year-old female who presented with abdominal pain and dark urine six years after an open cholecystectomy. Her abdominal ultrasonography revealed no abnormalities, with only mild derangements noted in liver function tests.

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Article Synopsis
  • The study aimed to assess the hospital costs and revenue generated from a universal opt-out HIV screening program implemented in the emergency department (ED) of an academic medical center in San Diego, California.
  • A base model calculated net income by comparing annual testing costs against reimbursements based on different payor mixes and cost factors, showing that the hospital would achieve a net profit.
  • The probabilistic sensitivity analysis revealed that universal 4th generation HIV screening would result in a net profit in approximately 81.9% of scenarios, with a higher percentage of self-payers being a key factor potentially leading to net losses.
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As end-of-life (EOL) HIV cure-related research expands, understanding perspectives of participants' next-of-kin (NOK) is critical to maintaining ethical study conduct. We conducted two small focus groups and two one-on-one interviews using focus group guides with the NOK of Last Gift study participants at the University of California, San Diego (UCSD). Participating NOK included six individuals (n = 5 male and n = 1 female), including a grandmother, grandfather, partner, spouse, and two close friends.

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Introduction: The question of what motivates people to participate in research is particularly salient in the HIV field. While participation in HIV research was driven by survival in the 1980's and early 1990's, access to novel therapies became the primary motivator with the advent of combination antiretroviral therapy (cART) in the late 1990s. In the HIV cure-related research context, the concept of altruism has remained insufficiently studied.

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Introduction: Little is known about the effects of HIV reservoir research at the end of life on staff members involved. Staff members' perceptions and experiences were assessed related to their involvement in the Last Gift, a rapid autopsy study at the University of California San Diego enrolling people living with HIV who are terminally ill and have a desire to contribute to HIV cure-related research.

Methods: Two focus group discussions consisting of clinical (n = 7) and rapid research autopsy (n = 8) staff members were conducted to understand the perspectives of staff members and the impact the Last Gift rapid autopsy study had on them.

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End-of-life (EOL) HIV cure-related research provides a novel approach to studying HIV reservoirs. The Last Gift is a rapid autopsy research study at the University of California San Diego that enrolls terminally ill people living with HIV (PLWHIV) with a desire to contribute to HIV cure-related research. We conducted in-depth baseline and follow-up interviews with Last Gift study participants.

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A growing number of people living with HIV/AIDS are participating in HIV cure-related research at the end of life (EOL). Due to the novelty of EOL HIV cure-related research, there is a need to understand how their next-of-kin (NOK) perceive such research. We conducted in-depth interviews with NOK of the Last Gift study participants at the University of California, San Diego.

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Introduction: Incidence of diabetes mellitus has increased over the past few years, mainly due to our eating habits and physical inactivity. This also includes the use of artificial sweetening agents which have broadly replaced other forms of sugars and have shown a paradoxical, negative effect on blood glucose. Ingestion of these artificial sweeteners (AS) results in the release of insulin from pancreas which is mistaken for glucose (due to their sweet taste).

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Introduction: Child abuse is one of the pressing human rights issues which still needs to be highlighted for general public, especially in traditional societies. This study depicts perspectives of parents and caregivers.

Methods: The study was, conducted amongst parents visiting paediatric department (OPD and ward) at Rural Tertiary care Hospital in central India.

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Universal HIV and HCV screening in emergency departments (ED) can reach populations who are less likely to get tested otherwise. The objective of this analysis was to evaluate universal opt-out HIV and HCV screening in two EDs in San Diego. HIV screening for persons aged 13-64 years (excluding persons known to be HIV+ or reporting HIV testing within last 12 months) was implemented using a 4 generation HIV antigen/antibody assay; HCV screening was offered to persons born between 1945 and 1965.

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Objectives: Temporal lobe epilepsy (TLE) is known to affect large-scale gray and white matter networks, and these network changes likely contribute to the verbal memory impairments observed in many patients. In this study, we investigate multimodal imaging patterns of brain alterations in TLE and evaluate the sensitivity of different imaging measures to verbal memory impairment.

Methods: Diffusion tensor imaging (DTI), volumetric magnetic resonance imaging (vMRI), and resting-state functional MRI (rs-fMRI) were evaluated in 46 patients with TLE and 33 healthy controls to measure patterns of microstructural, structural, and functional alterations, respectively.

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Objective: Individuals with temporal lobe epilepsy (TLE) often experience diminished quality of life (QoL). Although comorbid depression is one of the most recognized predictors of poor QoL in TLE, impairments in verbal memory (VM) and executive functioning (EF), have also been identified as risk factors, independent of other biological and psychosocial factors. In this study, we examine the contribution of depression, VM, and EF to QoL in 52 well-characterized medically-refractory TLE patients.

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Background: The U.S. National Institute of Allergies and Infectious Diseases (NIAID) and the National Institute of Mental Health (NIMH) have a new research priority: inclusion of terminally ill persons living with HIV (PLWHIV) in HIV cure-related research.

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