Publications by authors named "Megan Vanneman"

Article Synopsis
  • The StrAtegic PoLicy EvIdence-Based Evaluation CeNTer (SALIENT) is a key player in helping the Department of Veterans Affairs meet the Evidence Act requirements by providing evidence and evaluation support for federal funding requests.
  • SALIENT focuses on optimizing policies and programs for veterans, improving health outcomes, advancing dissemination science, and expanding the workforce in implementation science through collaborative evaluations.
  • Using a Lean Sprint methodology, SALIENT collaborates with veterans and stakeholders to develop strategic evaluation plans, ensuring effective communication of results and implementation of evidence-based practices.
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The Veterans Health Administration (VA) increasingly purchases community-based care (CC) to improve healthcare access, including behavioral health. In 2018, VA introduced standardized episodes of care (SEOCs) to guide authorization and purchase of CC services for specific indications in a defined timeframe without bundling payment. In this retrospective cross-sectional study, we describe trends in VA and CC behavioral healthcare utilization using the VA Outpatient Psychiatry SEOC definition.

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Objective: To understand Veterans Health Administration (VA) leaders' information and resource needs for managing post-9/11 Veterans' VA enrollment and retention.

Data Sources And Study Setting: Interviews conducted from March-May 2022 of VA Medical Center (VAMC) leaders (N = 27) across 15 sites, using stratified sampling based on VAMC characteristics: enrollment rates, number of recently separated Veterans in catchment area, and state Medicaid expansion status.

Study Design: Interview questions were developed using Petersen et al.

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Hospitals within the Veterans Affairs (VA) health care system exhibited growing use of observation care. It is unknown how this affected VA hospital performance since observation care is not included in acute inpatient measures. To examine changes in VA hospitalization outcomes and whether it was affected by shifting acute inpatient care to observation care.

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Article Synopsis
  • The study investigates racial and ethnic disparities in Veterans' experiences with VA-funded community care from 2016 to 2021, revealing that Black and Hispanic Veterans generally rated their care lower than White and non-Hispanic Veterans in several areas.
  • Using data from over 230,000 respondents, the research specifically looked at ratings across nine domains, finding significant gaps in areas such as provider communication, appointment scheduling, and billing.
  • Interestingly, Black Veterans rated eligibility determination and care coordination higher than other groups, highlighting mixed experiences within the community care system.
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Background: Previous studies found that documentation of comorbidities differed when Veterans received care within versus outside Veterans Health Administration (VHA). Changes to medical center funding, increased attention to performance reporting, and expansion of Clinical Documentation Improvement programs, however, may have caused coding in VHA to change.

Methods: Using repeated cross-sectional data, we compared Elixhauser-van Walraven scores and Medicare Severity Diagnosis Related Group (DRG) severity levels for Veterans' admissions across settings and payers over time, utilizing a linkage of VHA and all-payer discharge data for 2012-2017 in seven US states.

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Importance: Many veterans enrolled in the Veterans Affairs (VA) health care system have access to non-VA care through insurance and VA-purchased community care. Prior comparisons of VA and non-VA hospital outcomes have been limited to subpopulations.

Objective: To compare outcomes for 6 acute conditions in VA and non-VA hospitals for younger and older veterans using VA and all-payer discharge data.

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Purpose: To examine changes in rural and urban Veterans' utilization of acute inpatient care in Veterans Health Administration (VHA) and non-VHA hospitals following access expansion from the Veterans Choice Act, which expanded eligibility for VHA-paid community hospitalization.

Methods: Using repeated cross-sectional data of VHA enrollees' hospitalizations in 9 states (AZ, CA, CT, FL, LA, MA, NY, PA, and SC) between 2012 and 2017, we compared rural and urban Veterans' probability of admission in VHA and non-VHA hospitals by payer over time for elective and nonelective hospitalizations using multinomial logistic regression to adjust for patient-level sociodemographic features. We also used generalized linear models to compare rural and urban Veterans' travel distances to hospitals.

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Article Synopsis
  • Veterans in the VA health care system gained easier access to non-VA care starting in 2014, prompting a study on factors influencing hospital choice.
  • The study analyzed elective hospitalizations from 2011 to 2017 across 11 states, focusing on attributes like hospital affiliation, patient ratings, and proximity that affected where veterans chose to receive care.
  • Results indicated that males, racial/ethnic minorities, veterans with higher enrollment priority, and those with mental health issues were more likely to prefer VA hospitals, highlighting the importance of maintaining high quality and patient experience in attracting patients.
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Following recent policy changes, younger Veterans have particularly increased options for where to receive their health care. Although existing research provides some understanding of non-modifiable individual (e.g.

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Article Synopsis
  • * Key findings revealed that younger age, substance use disorders, and being male significantly increased the likelihood of legal trouble post-discharge, especially for veterans from lower socioeconomic neighborhoods.
  • * The research highlights the importance of addressing mental health and substance use issues among veterans, as those with multiple disorders faced a tenfold higher risk of legal involvement compared to those without.
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Importance: Recent legislation expanded veterans' access to Veterans Health Administration (VA)-purchased care. Quality should be considered when choosing where to get total knee arthroplasty (TKA), but currently available quality metrics provide little guidance.

Objective: To determine whether an association exists between the proportion of TKAs performed (vs purchased) at each VA facility and the quality of care provided (as measured by short-term complication rates).

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Article Synopsis
  • Federal legislation has increased Veterans Health Administration (VHA) enrollees' access to community care, prompting a study on differences in behavioral health care provided by the VHA versus community sources and the factors affecting those differences.* -
  • The study analyzed data from over 200,000 VHA enrollees, revealing that 20% of inpatient stays were through community care, and most outpatient visits were still handled by VHA, with community care growing but involving less experienced clinicians.* -
  • The findings emphasize the need for better coordination between VHA and community care providers to ensure veterans receive quality inpatient follow-up and outpatient services, leveraging VHA’s expertise in behavioral health.*
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Article Synopsis
  • - The study analyzes how Veterans Affairs (VA) enrollees have shifted their hospital usage between VA and non-VA facilities over time.
  • - It focuses on the impact of these changes on patient mortality rates, linking hospital choice to health outcomes.
  • - The research aims to understand the implications of healthcare policies on the well-being of veterans and the effectiveness of the VA system.
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Background: Racial health disparities across orthopaedic surgery subspecialties, including spine surgery, are well established. However, the underlying causes of these disparities, particularly relating to social determinants of health, are not fully understood.

Questions/purposes: (1) Is there a racial difference in 90-day mortality, readmission, and complication rates ("safety outcomes") among Medicare beneficiaries after spine surgery? (2) To what degree does the Centers for Disease Control and Prevention Social Vulnerability Index (SVI), a community-level marker of social determinants of health, account for racial disparities in safety outcomes?

Methods: To examine racial differences in 90-day mortality, readmission, and complications after spine surgery, we retrospectively identified all 419,533 Medicare beneficiaries aged 65 or older who underwent inpatient spine surgery from 2015 to 2019; we excluded 181,588 patients with endstage renal disease or Social Security disability insurance entitlements, who were on Medicare HMO, or who had missing SVI data.

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Article Synopsis
  • The study investigates healthcare fragmentation among older Veterans with mental health (MH) conditions compared to those without, focusing on non-MH outpatient care.
  • Using a large cohort from the Veterans Health Administration and Medicare data, the research finds that Veterans with MH conditions actually experience less fragmented care, seeing fewer non-MH providers and having more concentrated care with their usual provider.
  • The findings suggest that contrary to common beliefs, having a MH condition might lead to better-coordinated non-MH care for older Veterans.
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: Evidence-based treatment is provided infrequently and inconsistently to patients with opioid use disorder (OUD). Treatment guidelines call for high-quality, patient-centered care that meets individual preferences and needs, but it is unclear whether current quality measures address individualized aspects of care and whether measures of patient-centered OUD care are supported by evidence. : We conducted an environmental scan of OUD care quality to (1) evaluate patient-centeredness in current OUD quality measures endorsed by national agencies and in national OUD treatment guidelines; and (2) review literature evidence for patient-centered care in OUD diagnosis and management, including gaps in current guidelines, performance data, and quality measures.

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Article Synopsis
  • The study examines how distance and time to VA facilities impact veterans' use of both VA and non-VA care, particularly among those at high risk for hospitalization.
  • It analyzes prepolicy data following the implementation of the 2014 Choice Act and the 2018 MISSION Act to understand their effects on veterans' healthcare utilization.
  • Findings indicate that while greater drive distances lead to increased VA outpatient specialty care visits, longer drive times decrease the likelihood of veterans choosing VA for those visits.
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Objective: The purpose of this study was to evaluate whether physical therapy use influenced subsequent use of musculoskeletal-related surgeries, injections, magnetic resonance imaging (MRI), and other imaging.

Methods: We conducted a retrospective cohort study of patients aged 18 to 64 years who had an ambulatory care visit at the University of Utah system, after implementation of the 10th revision of the International Statistical Classification of Diseases and Related Health Problems with adequate data collection in the system at the time of the data pull, between October 1, 2015, and September 30, 2018. We identified patients (n = 85 186) who received care for a musculoskeletal condition (lower back pain, cervical, knee, shoulder, hip, elbow, ankle, wrist/hand, thoracic, and arthritis diagnoses).

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Article Synopsis
  • The study aimed to analyze the impact of fragmented outpatient care on hospitalization rates for high-risk patients, using data from the VA and Medicare.
  • Researchers focused on various measures of care fragmentation and examined how these factors related to future hospitalizations in patients aged 65 and older.
  • Surprisingly, the results indicated that outpatient care fragmentation did not lead to increased hospitalizations overall, and less fragmented care was actually linked to a higher chance of hospitalization for specific conditions.
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Background: There are growing concerns that Veterans' increased use of Veterans Health Administration (VA)-purchased care in the community may lead to lower quality of care.

Objective: We compared rates of hospital readmissions following elective total knee arthroplasties (TKAs) that were either performed in VA or purchased by VA through community care (CC) at both the national and facility levels.

Methods: Three-year cohort study using VA and CC administrative data from the VA's Corporate Data Warehouse (October 1, 2016-September 30, 2019).

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Background: Spine surgery and its corresponding costs have increased in recent years and are variable across geographic regions. Discretionary care is the component of spending variation that is independent of illness severity, age, and regional pricing. It is unknown whether greater discretionary care is associated with improved safety for patients undergoing spine surgery, as we would expect from value-based health care.

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