Publications by authors named "Brian Lund"

Patients with opioid use disorder (OUD) represent a high-risk population due to increased rates of adverse health outcomes and death. To evaluate whether telehealth utilization during OUD treatment compared with in-person encounters alone was associated with emergency department (ED) utilization, inpatient admissions, and mortality within three years of initiating buprenorphine. We conducted a retrospective cohort study within the Veterans Health Administration among Veterans treated for OUD between 2012 and -2022.

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Background: Evidence concerning tolerability of sodium-glucose co-transporter-2 (SGLT2) inhibitors in older adults is limited due to under-representation in clinical trials. Our study aimed to determine the extent to which SGLT2 inhibitor intolerance increases with age and explore additional factors associated with intolerance.

Methods: This retrospective observational study included patients in the Veterans Health Administration who initiated an SGLT2 inhibitor between 1 January 2013 and 31 December 2021.

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  • A study was done to help rural women veterans manage chronic pain using a special telehealth program.
  • Out of 44 women who agreed to join, most were older and identified as White, with many reporting severe pain before the program.
  • After the program, 70% finished it, and 87% of those felt they improved, saying it helped them connect with others like them and feel better about their pain.
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  • Research on peripheral artery disease (PAD) is hindered by the absence of a national registry and insufficient diagnostic coding in electronic health records.
  • A new natural language processing (NLP) system helped establish a registry of over 103,000 new PAD patients within the Veterans Health Administration, revealing high rates of comorbidities and significant clinical outcomes over a year.
  • The study found notable one-year mortality (9.4%) and incidences of cardiovascular (5.6 per 100 patient-years) and limb events (4.5 per 100 patient-years), highlighting the urgent need for better care strategies for this high-risk population.
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Background: Alpha-1-adrenergic receptor antagonists (AARAs) are used in the treatment of benign prostatic hypertrophy. Some AARAs, such as terazosin, stimulate glycolysis and increase cellular adenosine triphosphate levels through activation of phosphoglycerate kinase 1 (PGK1), which has been suggested to be of therapeutic benefit in patients with Parkinson disease (PD).

Objective: This study aimed to determine whether exposure to PGK1-activating AARAs was associated with slower PD progression.

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Introduction: This study reports rates of comorbid chronic pain and post-traumatic stress disorder (PTSD) among U.S. military veterans and rates of psychiatric comorbidities among those with both chronic pain and PTSD.

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Women veterans are more likely than men veterans to receive medications that Department of Veterans Affairs clinical practice guidelines recommend against to treat posttraumatic stress disorder (PTSD). To understand this difference, we examined potential confounders in incident prescribing of guideline discordant medications (GDMs) in veterans with PTSD. Veterans receiving care for PTSD during 2020 were identified using Veterans Health Administration administrative data.

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The objective of this study was to examine the relationship between clozapine use and hematologic malignancies, using national administrative data from the United States Veterans Health Administration (VHA). This case-control study of veterans with schizophrenia matched cases with incident hematologic malignancy to 10 controls without hematologic malignancy by gender, age, and time since first schizophrenia diagnosis from October 1999, the beginning of VHA data archives, to June 2022. Schizophrenia diagnoses were identified using , code 295.

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  • Acute kidney injury affects about 20-25% of hospital admissions and is linked to increased long-term mortality, primarily due to cardiovascular issues.
  • Researchers examined data from 237,409 AKI hospitalizations, focusing on patients' SBP levels and their outcomes, while accounting for demographics, health conditions, and various laboratory values.
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Background: The use of potentially inappropriate medications (PIMs) is considered an important quality indicator for older adults seen in the ambulatory care setting.

Study Objectives: To evaluate the pattern of potentially inappropriate medication (PIMs) use as specified in the Beers Criteria, for older adults during emergency department (ED) visits in the United States.

Methods: Using data from the National Hospital Ambulatory Care Survey (NHAMCS) we identified older adults (age 65 or older) discharged home from an ED visit in 2019.

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  • * Among the 9,064 Veterans studied, only 3.7% experienced LTO, with significant risk factors being housing instability and living in rural areas.
  • * The initial opioid prescription and prior opioid use are major predictors of LTO, while the anticipated link between SDoH and opioid use post-surgery was not strongly supported, indicating that those facing housing instability might face additional challenges in managing post-surgical pain.
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  • * Post-traumatic stress disorder (PTSD) is an independent risk factor for MOPCs, but it does not significantly interact with gender in its effect.
  • * The findings suggest that individuals with both MOPCs and PTSD may require integrated care approaches that address both pain and mental health issues simultaneously.
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Background: Immune checkpoint inhibitors (ICIs) are associated with potentially severe immune-related adverse events (irAEs). Emerging clinical practice reports have suggested higher incidence of irAEs in real-world settings than initially observed in phase III clinical trials. Objectives were to determine the incidence of irAEs associated with ICIs in a clinical population, the Veterans Health Administration, characterize their time to onset, and explore potential risk factors.

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Background: Alpha-1-adrenergic receptor antagonists (AARAs) are used in the treatment of benign prostatic hypertrophy. Some AARAs, such as terazosin, stimulate glycolysis and increase cellular adenosine triphosphate levels through activation of phosphoglycerate kinase 1 (PGK1), which has been suggested to be of therapeutic benefit in patients with Parkinson disease (PD).

Objective: This study aimed to determine whether exposure to PGK1-activating AARAs was associated with slower PD progression.

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Background: Randomized controlled trials have shown that procalcitonin-guided algorithms can reduce antibiotic duration for lower respiratory tract infections (LRTIs). The goal of this study was to compare antibiotic duration for LRTIs with and without procalcitonin testing in real-life practice.

Methods: This retrospective cohort study included all acute care hospital admissions for presumed LRTIs between 1/2018 and 12/2021 at 81 Veterans Affairs facilities with on-site procalcitonin testing.

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Background: Inpatient hospitalization has the potential to disrupt buprenorphine therapy.

Objective: Among patients receiving outpatient buprenorphine prior to admission, we determined the rate of discontinuation during medical and surgical admissions to VA hospitals and its association with subsequent post-discharge continuation of buprenorphine therapy.

Design And Main Measures: We conducted an observational study using Veterans Administration data from 10/1/2018 to 3/31/2020 for all medical and surgical admissions where Veterans had active buprenorphine prescriptions at the time of admission.

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  • Chronic pain exacerbates PTSD symptoms in veterans, leading to a higher likelihood of being prescribed multiple medications that affect the central nervous system (CNS).
  • A study involving over 637,000 veterans showed those with chronic pain had significantly more changes in psychiatric medications (average of 1.8 changes) compared to those without chronic pain (average of 1.6 changes).
  • Veterans with chronic pain were also prescribed more CNS-active medications (average of 2.7) than those without chronic pain (average of 2.0), indicating a need for careful management of their treatment.
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Objective: To examine the association between sodium-glucose cotransporter 2 inhibitors (SGLT2-I) and gout incidence in patients with diabetes is the objective.

Method: National administrative data from the United States Veterans Health Administration were used to identify patients initiated on SGLT2-I from 2012 to 2020. Sequence symmetry analysis was performed to contrast the number of patients with incident gout within the year following SGLT2-I initiation to the number within the year preceding initiation.

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Objective: Hypertension is the most common risk factor for cardiovascular disease (CVD). Several guidelines have lowered diagnostic blood pressure (BP) thresholds and treatment targets for hypertension. We evaluated the impact of the more stringent guidelines among Veterans, a population at high risk of CVD.

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Purpose: The current study aimed to identify differences in Veterans Affairs (VA) chronic pain care for Black, Asian, and Hispanic Americans, compared to non-Hispanic White Americans, and examine the intersection of race and rurality.

Methods: Using national administrative data, all veterans who presented to the VA for chronic pain in 2018 were included. Demographic and comorbidity variables were built from 2018 data and health care utilization variables from 2019 data.

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Objective: While implicated in causing depression, no studies have examined the impact of montelukast on antidepressant effectiveness. We examined whether existing montelukast therapy was associated with acute antidepressant treatment failure (objective 1), and whether montelukast initiation was associated with depression relapse during maintenance antidepressant therapy (objective 2), relative to inhaled corticosteroid (ICS).

Methods: Patients with asthma and depression were identified using national Veterans Health Administration data from 2007 to 2019.

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  • * Of the patients studied, 36.7% received post-procedural antibiotics; while this was common, it wasn't supported by guidelines, leading to variability in their use across hospitals.
  • * Results indicated that patients on antibiotics had a higher risk of developing Clostridioides difficile infection, but there was no significant reduction in unplanned return visits compared to those who did not receive antibiotics.
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Background And Purpose: Traumatic haemorrhage (TH) is the leading cause of potentially preventable deaths that occur during the prehospital phase of care. No effective pharmacological therapeutics are available for critical TH patients yet. Here, we identify terminal complement activation (TCA) as a therapeutic target in combat casualties and evaluate the efficacy of a TCA inhibitor (nomacopan) on organ damage and survival in vivo.

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