Publications by authors named "Wen Jan Tuan"

In this commentary, the authors present opportunities for the family medicine's strategic plan for research to build and expand research infrastructure by leveraging the federally funded Clinical and Translational Science and Clinical and Translational Research Awards programs. These include engaging patients and communities historically underrepresented in research throughout the research design, development, implementation, and dissemination process; building and expanding practice-based research networks; leveraging research resources, facilities, trainings, and mentorship opportunities; obtaining pilot funding; using informatics expertise to improve care quality; and embedding dissemination and implementation science expertise to promote the use of evidence-based interventions in real world clinical primary care settings.

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Article Synopsis
  • The study investigates the effects of non-steroidal anti-inflammatory drugs (NSAIDs) and selective COX-2 inhibitors (coxibs) on cancer outcomes, emphasizing their potential role in overcoming chemotherapy resistance.
  • Using data from 2008-2022, it compares treated patients (those receiving coxibs, aspirin, or ibuprofen) to control patients, employing statistical techniques to ensure fair comparison and reliable results over five years.
  • Findings indicate that coxibs and ibuprofen are linked to better survival rates in cancer patients, while aspirin shows mixed results, increasing mortality in females but aiding survival in males; further research is encouraged to explore these trends.
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Background: To assess the relationship between patients' demographic, health system-related, and geosocial characteristics and the risk of missed appointments among patients in family medicine practice.

Methods: The study was based on a retrospective cross-sectional design using electronic health records and neighborhood-level social determents of health metrics linked by geocoded patients' home address. The study population consisted of patients who had a primary care provider and at least one appointment at 14 family medicine clinics in rural and suburban areas in January-December 2022.

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Purpose: The COVID-19 pandemic abruptly interrupted breast cancer screening, an essential preventive service in primary care. We aimed to evaluate the pandemic's impact on overall and follow-up breast cancer screening using real-world health records data.

Methods: We retrospectively analyzed a cohort of women eligible for breast cancer screening through the study period from January 1, 2017 to February 28, 2022 using TriNetX Research Network data.

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Sustained widespread deployment of clinically and cost-effective models of integrated pain care could be bolstered by optimally aligning shared stakeholder values.

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Objective: Individuals with opioid use disorder (OUD) have reduced life expectancy and inferior outcomes when treated for depression, diabetes, and fractures. Their elevated risk of testosterone deficiency may contribute to all of these relationships, however few individuals prescribed opioids are evaluated with testosterone assays. The purpose of this study is to determine whether patients with opioid use disorder are evaluated for testosterone deficiency after development of a symptom that may merit investigation, such as erectile dysfunction (ED).

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Objective: Despite advancement in vaccines and treatments for COVID-19 over the past 2 years, many concerns remain about reinfection and waning immunity against COVID-19 and its variants, especially among people with substance use disorder (SUD). The study assessed the risk of COVID-19 reinfection and severe illness among adults with SUD and their vaccination status to inform management in this vulnerable population as the pandemic continues.

Design: Retrospective cohort study.

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Objective: This study aims to assess associations between morphine-equivalent daily dose (MEDD) of opioids, clinician and patient characteristics, and prescriber adherence to guidelines for long-term opioid therapy (LTOT) in chronic noncancer pain (CNCP) and to elucidate potential relationships associated with increased-risk opioid prescribing.

Design: Retrospective cross-sectional study.

Setting: Academic health system's 33 primary care clinics.

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Background: Parkinson's disease (PD) is a common neurodegenerative disorder in older adults that is associated with neuroinflammation, oxidative stress, and characterized by loss of dopaminergic cells. Illicit stimulants increase oxidative stress and are associated with increased risk of PD. Prescription stimulants are similar in mechanism to illicit stimulants, yet their influence on PD is not well described.

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Our objective was to externally validate 2 simple risk scores for mortality among a mostly inpatient population with COVID-19 in Canada (588 patients for COVID-NoLab and 479 patients for COVID-SimpleLab). The mortality rates in the low-, moderate-, and high-risk groups for COVID-NoLab were 1.1%, 9.

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Background: Gardening benefits health in older adults, but previous studies have limited generalizability or do not adequately adjust for sociodemographic factors or physical activity (PA).

Objective: We examined health outcomes, fruits and vegetables (F&V) intake, and 10-year mortality risk among gardeners and exercisers compared with nonexercisers.

Design: Cross-sectional data of noninstitutionalized US adults in the 2019 Behavioral Risk Factor Surveillance System was collected via landline and cellular phone survey.

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Introduction: Telemedicine has become an integral part of primary care since the COVID-19 pandemic. This paper reports patients' assessments of their early telemedicine visits.

Methods: Adult primary care patients who had a telemedicine visit were identified from electronic medical records of a large Midwestern health system and randomly invited to participate in semistructured interviews.

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Objective: To assess sex disparities in opioid prescribing practices and patient outcomes.

Design: A retrospective cross-sectional study.

Setting: Thirty-three primary care clinics in an academic health system.

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Context: Early childhood caries (ECC) is a persistent public health challenge, affecting more than 56% of US toddlers and preschool-aged children. Despite this, ECC is largely preventable with routine oral hygiene practices, diet, and application of topical fluoride.

Objective: This study assessed the utilization of preventive oral health care in primary care practices and evaluated the variation in patient characteristic and geographic disparities.

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Context: Diabetic neuropathy (DN) affects more than 50% of diabetic patients who are also likely to have compromised immune system and respiratory function, both of which can make them susceptible to the SARS-CoV-2 virus.

Objective: To assess the risk of severe COVID-19 illness among adults with DN, compared with those with no DN and those with no diabetes.

Setting: The analysis utilized electronic health records from 55 US health care organizations in the TriNetX research database.

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Adults with attention deficit hyperactivity disorder (ADHD) have shown higher infection rates and worse outcomes from COVID-19. Stimulant medications are prescribed as the first-line treatment for ADHD in adults and mitigate risk of negative ADHD-related health outcomes, but little is known about the association between stimulant medications and COVID-19 outcomes. The objective of this study was to assess the risks of severe COVID-19 outcomes among people with ADHD who were prescribed stimulant medications versus those who were not.

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Background: Stimulant prescriptions increased by 250% in the United States from 2006-2016 while diagnoses for ADHD minimally increased. There is insufficient data regarding who may be the recipients of these new stimulant prescriptions and safety of stimulants have come under scrutiny in some populations. We aim to describe trends in stimulant prescriptions across biopsychosocial patient level factors between 2010 and 2020.

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Objective: This study examined patient portal utilization by analyzing the pattern of time and feature use of patients, and thus to identify functionalities of portal use and patient characteristics that may inform future strategies to enhance communication and care coordination through online portals.

Methods: We conducted a retrospective study of patients at 18 family medicine clinics over a 5-year period using access log records in the electronic health record database. Dimensionality reduction analysis was applied to group portal functionalities into 4 underlying feature domains: messaging, health information management, billing/insurance, and resource/education.

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Insulin administration is time intensive and costly in facility staffing. When we started nursing home patients with type 2 diabetes (T2D) on DPP-4 inhibitors, we tapered insulin when finger stick blood sugar levels dropped to <200 mg/dL. Of 34 patients we were able to stop mealtime insulin in 28 (82%) and stop all insulin in 20 (59%).

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Objectives: An accurate prognostic score to predict mortality for adults with COVID-19 infection is needed to understand who would benefit most from hospitalizations and more intensive support and care. We aimed to develop and validate a two-step score system for patient triage, and to identify patients at a relatively low level of mortality risk using easy-to-collect individual information.

Design: Multicenter retrospective observational cohort study.

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Background: Prescription amphetamines are utilized for treatment of depression in older adults, yet cardiovascular risks in this population are not well described. The purpose of this study is to evaluate risk of cardiovascular events among adults aged 65 and older with depression who were prescribed amphetamines.

Methods: We conducted a retrospective matched cohort study utilizing the TriNetx database and statistical software.

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Objective: Patients treated with long-term opioid therapy (LTOT) are known to have compromised immune systems and respiratory function, both of which make them particularly susceptible to the SARS-CoV-2 virus. The objective of this study was to assess the risk of developing severe clinical outcomes among COVID-19 non-cancer patients on LTOT, compared with those without LTOT.

Design And Data Sources: A retrospective cohort design using electronic health records in the TriNetX research database.

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This research intended to examine electronic health record (EHR) based methods for automated estimation of morphine equivalent daily dose (MEDD) of prescribed opioids in primary care research and practice. The study leveraged the health system's audit of adults treated with long-term opioids for chronic non-cancer pain to compare two EHR-based automated MEDD calculation methods: RxSignature (active prescriptions' signature information) and RxQuantity (quantity dispensed for prescriptions issued within the past 90 days). Prescribed opioid EHR data were extracted from the target population at a large US academic health system in a 2-year assessment period.

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Background: Prescription amphetamines are the most common pharmacological treatment for attention deficit hyperactivity disorder (ADHD) and use among older age groups is increasing. The purpose of this study is to assess the risk of adverse cardiovascular events among individuals older than 65 years.

Methods: We conducted a retrospective matched cohort study using TriNetX database with propensity score matching (PSM) to assess the odds of a cardiovascular event among individuals with ADHD exposed to amphetamine compared with individuals with ADHD who were not exposed to this medication.

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