Publications by authors named "Edwin Wong"

Background: Substance use disorders (SUDs) result in individual and societal burden. However, most individuals with SUD receive no treatment. Implementing SUD interventions in primary care could address this population's treatment needs.

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Background: Since 2010, all non-VA hospitals performing cardiac surgeries and percutaneous interventions in Washington State have participated in the Cardiac Care Outcomes Assessment Program (COAP), a data-driven, physician-led collaborative quality improvement (QI) collaborative. Prior literature has demonstrated QI programs such as COAP can avert avoidable utilization such as hospital readmissions. However, it is unknown whether such improvements translate into economic benefits.

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Community-based participatory research (CBPR) promotes the significant involvement of community members in research, which helps increase the effectiveness of specific interventions for community members. However, no reviews have investigated the effectiveness of CBPR interventions in mental health outcomes nor the adherence level to CBPR principles. Therefore, the objectives of the current study were to (1) examine the effectiveness of CBPR interventions on mental health outcomes and (2) assess the overall adherence to CBPR principles in existing mental health research.

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Background: Home telehealth (HT) services have rapidly expanded in the Veterans Health Administration (VHA), but little is known about the real-world impact of the expansion of these services on utilization.

Objective: To evaluate the impact of expanding HT diabetes services in VHA on high-cost utilization.

Design: This cohort study used cross-temporal propensity score matching to identify patients with diabetes who would receive HT services (treatment group) with program expansion (treatment group) with a comparison group of patients with diabetes who did not receive HT services (control group) between 2010 and 2018.

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Importance: The Medicare Competitive Bidding Program (CBP), a policy that reduced durable medical equipment prices, was implemented starting in 2011. Legislation introduced in 2024 aims to remove supplemental oxygen from the CBP because of concerns that recent decreases in oxygen prescribing are due to lower prices set by the CBP, which may have decreased supply and, in turn, limited oxygen access for patients with chronic lung diseases. However, low-value prescribing of oxygen is also prevalent in practice, and decreased oxygen prescription rates may not have necessarily caused harm.

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Background: COVID-19 was a collective traumatic event; however, different individuals may have perceived it differently.

Aims: This study investigated what older people in a collective culture perceived as stressful during COVID-19 and examined how different stressors related to COVID-19 infection and mental health risks.

Method: Thirty-six participants from diverse backgrounds engaged in a three-round Delphi study to generate items for a COVID-19-related stress scale for older adults (CSS-OA).

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Article Synopsis
  • Accurate staging for nasopharyngeal carcinoma (NPC) is vital for treatment and prognosis, using the AJCC/UICC TNM system as a standardized approach, necessitating ongoing updates to reflect modern care practices.
  • The study aimed to enhance the accuracy and relevance of the TNM-8 system for NPC by analyzing patient data from 2014-2015 and undergoing rigorous validation processes leading to the development of TNM-9.
  • Results from over 4,900 patients highlighted that advanced extranodal extension was a key negative prognostic factor, prompting a proposed restructuring of staging for nonmetastatic cases from TNM-8 classifications.
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Article Synopsis
  • * Using a large sample of 1.5 million adults, the research reveals that higher levels of neighborhood disadvantage correlate with increased emergency department visits and hospitalizations.
  • * The findings suggest that Medicaid beneficiaries in disadvantaged areas face barriers accessing outpatient care, indicating a need for interventions to improve equitable healthcare access.
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Background: Delivering prescription digital therapeutics (ie, evidence-based interventions designed to treat, manage, or prevent disorders via websites or smartphone apps) in primary care could increase patient access to substance use disorder (SUD) treatments. However, the optimal approach to implementing prescription digital therapeutics in primary care remains unknown.

Objective: This pilot study is a precursor to a larger trial designed to test whether implementation strategies (practice facilitation [PF] and health coaching [HC]) improve the delivery of prescription digital therapeutics for SUDs in primary care.

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Radiomics, which integrates the comprehensive characterization of imaging phenotypes with machine learning algorithms, is increasingly recognized for its potential in the diagnosis and prognosis of oncological conditions. However, the repeatability and reproducibility of radiomic features are critical challenges that hinder their widespread clinical adoption. This review aims to address the paucity of discussion regarding the factors that influence the reproducibility and repeatability of radiomic features and their subsequent impact on the application of radiomic models.

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Introduction: Health systems like the Veterans Health Administration (VA) face challenges in recruiting and retaining a primary care physician workforce. This cross-sectional study of recent or current VA medical residents sought to identify determinants of intent to pursue primary care practice in VA after residency training.

Methods: Residents were identified from administrative data between 2020 and 2021 and recruited via an emailed self-administered survey.

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Introduction: The National Registry of Rare Kidney Diseases (RaDaR) collects data from people living with rare kidney diseases across the UK, and is the world's largest, rare kidney disease registry. We present the clinical demographics and renal function of 25,880 prevalent patients and sought evidence of bias in recruitment to RaDaR.

Methods: RaDaR is linked with the UK Renal Registry (UKRR, with which all UK patients receiving kidney replacement therapy [KRT] are registered).

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Objective: To evaluate whether the Preventive Health Inventory (PHI)-a virtual care management intervention addressing hypertension and diabetes management implemented nationally in the Veterans Health Administration (VHA)-was delivered equitably among racial/ethnic groups and if existing inequities in hypertension and diabetes outcomes changed following PHI receipt.

Data Sources And Study Setting: We used data from the VHA Corporate Data Warehouse among Veterans enrolled in primary care nationally from February 28, 2021 to March 31, 2022.

Study Design: We used logistic regression to evaluate PHI receipt and hypertension and diabetes outcomes after PHI implementation among Veterans with hypertension and/or diabetes.

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Objectives: To quantify the association between primary care team workload satisfaction and primary care physician (PCP) turnover and examine potential mediation of workplace climate factors using survey and administrative data.

Study Design: Longitudinal observational study using data from 2008 to 2016.

Methods: The outcome variable was PCP turnover.

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Objective: In a national cohort of Veterans, weight change was compared between participants in a US Department of Veterans Affairs (VA) behavioral weight management program (MOVE!) and matched non-participants, and between high-intensity and low-intensity participants.

Methods: Retrospective cohort study of Veterans with 1 + MOVE! visits in 2008-2017 were matched to MOVE! non-participants via sequential stratification. Percent weight change up to two years after MOVE! initiation of participants and non-participants was modeled using generalized additive mixed models, and 1-year weight change of high-intensity or low-intensity participants was also compared.

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Randomized clinical trials are underway to evaluate the efficacy of novel agents targeting the alternative complement pathway in patients with C3 glomerulopathy (C3G), a rare glomerular disease. The Kidney Health Initiative convened a panel of experts in C3G to ( 1 ) assess the data supporting the use of the prespecified trial end points as measures of clinical benefit and ( 2 ) opine on efficacy findings they would consider compelling as treatment(s) of C3G in native kidneys. Two subpanels of the C3G Trial Endpoints Work Group reviewed the available evidence and uncertainties for the association between the three prespecified end points-( 1 ) proteinuria, ( 2 ) eGFR, and ( 3 ) histopathology-and anticipated outcomes.

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States have implemented policy changes to increase access to telemedicine services for individuals receiving Medicaid benefits. Native Hawaiian and Pacific Islander (NHPI) individuals experienced disproportionate harms from COVID-19 and have long experienced disparities in health care access compared with other racial and ethnic groups, making the issue of telemedicine access particularly salient for NHPI individuals on Medicaid. Utilizing 100% 2020-2021 Medicaid claims, we compared trends in telemedicine use between NHPI and non-Hispanic White individuals on Medicaid in Washington State and conducted a decomposition analysis to identify drivers of underlying disparities.

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Background: The Veterans Health Administration increased synchronous telemedicine (video and telephone visits) in primary care in response to the COVID-19 pandemic.

Objective: Our objective was to determine veteran use patterns of in-person and telemedicine primary care when all modalities were available.

Design: A retrospective cohort analysis.

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The prevalence of overweight and obesity among military personnel has increased substantially in the past two decades. Following military discharge many personnel can receive integrated health care from the Veterans Health Administration. Prior research related to the economic impacts of obesity has not examined health care costs following the transition into civilian life following military discharge.

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Objective: The authors sought to assess workplace characteristics associated with perceived reasonable workload among behavioral health care providers in the Veterans Health Administration.

Methods: The authors evaluated perceived reasonable workload and workplace characteristics from the 2019 All Employee Survey (AES; N=14,824) and 2019 Mental Health Provider Survey (MHPS; N=10,490) and facility-level staffing ratios from Mental Health Onboard Clinical Dashboard data. Nine AES and 15 MHPS workplace predictors of perceived reasonable workload, 11 AES and six MHPS demographic predictors, and facility-level staffing ratios were included in mixed-effects logistic regression models.

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Importance: The COVID-19 pandemic caused significant declines in the quality of preventive and chronic disease care. The Veterans Health Administration (VHA) used the Preventive Health Inventory (PHI), a multicomponent care management intervention, to catch up on care disrupted by the pandemic.

Objective: To identify key factors associated with PHI use.

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Background: Individuals with rare kidney diseases account for 5-10% of people with chronic kidney disease, but constitute more than 25% of patients receiving kidney replacement therapy. The National Registry of Rare Kidney Diseases (RaDaR) gathers longitudinal data from patients with these conditions, which we used to study disease progression and outcomes of death and kidney failure.

Methods: People aged 0-96 years living with 28 types of rare kidney diseases were recruited from 108 UK renal care facilities.

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Objective: The association between participation in a behavioral weight intervention and health expenditures has not been well characterized. We compared Veterans Affairs (VA) expenditures of individuals participating in MOVE!, a VA behavioral weight loss program, and matched comparators 2 years before and 2 years after MOVE! initiation.

Methods: Retrospective cohort study of Veterans who had one or more MOVE! visits in 2008-2017 who were matched contemporaneously to up to 3 comparators with overweight or obesity through sequential stratification on an array of patient characteristics, including sex.

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The ability of the mammalian brain to maintain spatial representations of external or internal information for short periods of time has been associated with sustained neuronal spiking and reverberatory neural network activity in the medial entorhinal cortex. Here, we show that conditional genetic deletion of netrin-1 or the netrin receptor deleted-in-colorectal cancer (DCC) from forebrain excitatory neurons leads to deficits in short-term spatial memory. We then demonstrate that conditional deletion of either netrin-1 or DCC inhibits cholinergic persistent firing and show that cholinergic activation of muscarinic receptors expressed by entorhinal cortical neurons promotes persistent firing by recruiting DCC to the plasma membrane.

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Context: Home-based deaths are increasing, yet, how wealth influences where people die in the presence of disability remains unknown.

Objective: To examine place of death by help with (instrumental) activities of daily living (I/ADLs) at the end of life (EOL) and the modifying role of wealth.

Methods: Retrospective study of decedents from the Health and Retirement Study (n = 13,210).

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