Publications by authors named "Ula Hwang"

Background: Older adults treated in emergency departments (EDs) are at higher risk for adverse outcomes. Using multiple facilities can worsen this issue through service duplication and poor care transitions. Veterans with dual insurance coverage can access both Veterans Health Administration (VHA) and non-VHA EDs.

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Background: Existing risk scores assessing geriatric vulnerability in the emergency department (ED) have shown limited predictive power, especially in diverse populations. We investigated the relationship of a quick and easy-to-administer geriatric vulnerability scoring system with functional decline and mortality in older patients admitted to multiple hospitals through the ED in the United States (US) and Brazil (BR).

Method: Federated, international, multicenter observational study of hospitalized ED patients aged ≥ 65 from US and BR.

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Alzheimer's disease is the neurodegenerative disorder responsible for approximately 60% to 70% of all cases of dementia and is expected to affect 152 million by 2050. Recently, anti-amyloid therapies have been developed and approved by the Food and Drug Administration as disease-modifying treatments given as infusions every 2 to 5 weeks for Alzheimer's disease. Although this is an important milestone in mitigating Alzheimer's disease progression, it is critical for emergency medicine clinicians to understand what anti-amyloid therapies are and how they work to recognize, treat, and mitigate their adverse effects.

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Article Synopsis
  • Emergency department screening for cognitive impairment (CI) is vital for early intervention, but guidelines for dementia screening are limited.
  • A study assessed the agreement between cognitive impairment scores from patients and their informants using the AD8 tool, involving 538 patient-informant pairs aged 65 and older.
  • The results showed that about 24.3% of patients and 20.4% of informants reported cognitive impairment, with a moderate agreement (ICC of 0.519) between their assessments, highlighting the need for further awareness and investigation in clinical settings.
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Introduction: Many seriously injured older adults are not transported to trauma centers (TCs), a phenomenon known as undertriage. System-level factors that contribute to undertriage are poorly understood. One important system-level factor is the regional supply of TCs.

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As the population ages, the prevalence of cognitive impairment due to neurodegenerative diseases such as Alzheimer disease (AD) is expected to double in the United States to nearly 14 million over the next 40 years. AD and related dementias (ADRD) are a leading cause of morbidity and mortality and among the costliest to society. Although emerging biomedical interventions for ADRD focus on early stages and are currently limited to AD, care management can benefit patients with ADRD across the disease course.

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Introduction: The Geriatric Emergency Care Applied Research Network 2.0-Advancing Dementia Care (GEAR 2.0-ADC) aims to advance research efforts to improve the emergency care of persons living with dementia (PLWDs).

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Article Synopsis
  • Abdominal pain is a common reason adults go to the emergency room, but there isn’t a set way to figure out what’s wrong.
  • We looked at data from visits over 12 years to see how different age groups (like younger and older adults) were treated for this problem.
  • More people are getting CT scans, especially older adults, but many still got X-rays, which aren't very good at finding serious issues.
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Background: Emergency department (ED) visits at end-of-life may cause financial strain and serve as a marker of inadequate access to community services and health care. We sought to examine end-of-life ED use, total healthcare spending, and out-of-pocket spending in a nationally representative sample.

Methods: Using Medicare Current Beneficiary Survey data, we conducted a pooled cross-sectional analysis of Medicare beneficiaries aged 65+ years with a date of death between July 1, 2015 and December 31, 2021.

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Article Synopsis
  • * A study analyzed ED visits from 2015-2022 for patients aged 65 and older, finding that 1.4% experienced chemical sedation and 3.7% physical restraints, with increased likelihood in older age groups and minoritized populations.
  • * The findings highlight the concerning rates of restraint use among older adults, especially among historically marginalized groups, suggesting a need for more research on managing agitation in these populations.
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Study Objective: We sought to quantify differences in total and out-of-pocket health care costs associated with treat-and-release emergency department (ED) visits among older adults with traditional Medicare and Medicare Advantage.

Methods: We conducted a repeated cross-sectional analysis of treat-and-release ED visits using 2015 to 2020 data from the Medicare Current Beneficiary Survey. We measured total and out-of-pocket health care spending during 3 time periods: the 30 days prior to the ED visit, the treat-and-release ED visit itself, and the 30 days after the ED visit.

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Background: The Geriatric Emergency Medicine Specialist (GEMS) pilot program is an innovative approach that utilizes geriatric-trained advanced practice providers to facilitate geriatric assessments and care planning for older adults in the emergency department (ED). The objective of this study was to explore the effect of GEMS on the use of observation status and final ED disposition.

Methods: This was a retrospective study under a target trial emulation framework.

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Study Objective: Half of emergency department (ED) patients aged 65 years and older are discharged with new prescriptions. Potentially inappropriate prescriptions contribute to adverse drug events. Our objective was to develop an evidence- and consensus-based list of high-risk prescriptions to avoid among older ED patients.

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Background: Patient-reported outcome measures (PROMs) are gaining favor in clinical and research settings given their ability to capture a patient's symptom burden, functional status, and quality of life. Our objective in this systematic review was to summarize studies including PROMs assessed among older adults (age ≥ 65 years) after seeking emergency care.

Methods: With the assistance of a medical librarian, we searched Ovid MEDLINE, PubMed, Embase, CINAHL, Web of Science-Core Collection, and Cochrane CENTRAL from inception through June 2023 for studies in which older adult ED patients had PROMs assessed in the post-emergency care time period.

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Background: The EQUIPPED (Enhancing Quality of Prescribing Practices for Older Adults Discharged from the Emergency Department) medication safety program is an evidence-informed quality improvement initiative to reduce potentially inappropriate medications (PIMs) prescribed by Emergency Department (ED) providers to adults aged 65 and older at discharge. We aimed to scale-up this successful program using (1) a traditional implementation model at an ED with a novel electronic medical record and (2) a new hub-and-spoke implementation model at three new EDs within a health system that had previously implemented EQUIPPED (hub). We hypothesized that implementation speed would increase under the hub-and-spoke model without cost to PIM reduction or site engagement.

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The objective of the study is to identify healthcare events leading to a diagnosis of dementia from a large real-world dataset. This study uses a data-driven approach to identify temporally ordered pairs and trajectories of healthcare codes in the electronic health record (EHR). This allows for discovery of novel temporal risk factors leading to an outcome of interest that may otherwise be unobvious.

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Article Synopsis
  • Geriatric emergency department (GED) guidelines recommend screening older patients for geriatric syndromes, but there are challenges in implementation due to clinic staffing and workload issues amidst high patient volumes.
  • Automated risk stratification using electronic health record (EHR) data is proposed as a solution to prioritize screening for high-risk patients, specifically in areas like falls, cognitive impairment, and end-of-life care.
  • Current research shows varying levels of progress in using automated tools, but more development and best practices are needed to effectively deploy these solutions and reduce the burden on healthcare providers in GEDs.
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Study Objective: We sought to describe diagnosis rates and compare common process outcomes between geriatric emergency departments (EDs) and nongeriatric EDs participating in the American College of Emergency Physicians Clinical Emergency Data Registry (CEDR).

Methods: We conducted an observational study of ED visits in calendar year 2021 within the CEDR by older adults. The analytic sample included 6,444,110 visits at 38 geriatric EDs and 152 matched nongeriatric EDs, with the geriatric ED status determined based on linkage to the American College of Emergency Physicians' Geriatric ED Accreditation program.

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Background: Enhancing Quality of Prescribing Practices for Older Adults Discharged from the Emergency Department (EQUIPPED) is an effective quality improvement program initially designed in the Veterans Administration (VA) health care system to reduce potentially inappropriate medication prescribing for adults aged 65 years and older. This study examined factors that influence implementation of EQUIPPED in EDs from four distinct, non-VA academic health systems using a convergent mixed methods design that operationalized the Consolidated Framework for Implementation Research (CFIR). Fidelity of delivery served as the primary implementation outcome.

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To better understand and prioritize research on emergency care for Veterans, the Department of Veteran Affairs (VA) Health Services Research and Development convened the 16th State of the Art Conference on VA Emergency Medicine (SAVE) in Winter 2022 with emergency clinicians, researchers, operational leaders, and additional stakeholders in attendance. Three specific areas of focus were identified including older Veterans, Veterans with mental health needs, and emergency care in the community (non-VA) settings. Among older Veterans, identified priorities included examination of variation in care and its impact on patient outcomes, utilization, and costs; quality of emergency department (ED) care transitions and strategies to improve them; impact of geriatric ED care improvement initiatives; and use of geriatric assessment tools in the ED.

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