Publications by authors named "Caroline Freiermuth"

Introduction: Pain is a major driver of visits to the emergency department (ED). Clinicians must consider not only the efficacy of treatment options but also subsequent healthcare utilization and patient-centered outcomes such as side effects from prescribed medications. Our goal in this study was to determine whether there was an association between acute pain treatment regimen (opioids, intranasal non-steroidal anti-inflammatory drugs [NSAIDs], or both) and unscheduled healthcare visits following ED discharge.

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Background: In acute care settings such as the emergency department (ED), the absence of test bias is essential for any assessment. Unbiased assessments of the DSM-5 criteria for opioid use disorder (OUD) are crucial to ensure valid comparison of OUD severity, though focused tests of potential bias are lacking.

Method: This study used item response theory (IRT) to examine potential test bias across patient characteristics (i.

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Impulsivity is a transdiagnostic risk factor for multiple disorders, including opioid use disorders (OUDs). However, scant work has examined if impulsivity facets distinguish individuals reporting nonmedical opioid use from those who use opioids as prescribed, particularly in important settings such as emergency departments (EDs). Further, no studies, to our knowledge, have examined the relations between impulsivity facets and motives for nonmedical prescription opioid use (NMPOU).

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Article Synopsis
  • The Ohio Attorney General established the Scientific Committee on Opioid Prevention and Education (SCOPE) to develop evidence-based strategies aimed at combating the opioid epidemic, particularly focusing on naloxone awareness and its effective use.
  • This study analyzed data from patients in three urban emergency departments to identify sociodemographic factors influencing naloxone awareness and self-efficacy, revealing key trends among different racial and educational backgrounds.
  • Findings showed that non-White individuals and those with lower education levels were less aware of naloxone and less confident in its use, with familial connections to opioid use significantly enhancing awareness of naloxone.
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  • * Researchers focused on 180 single nucleotide polymorphisms (SNPs) related to dopamine pathways and drug metabolism, finding that 11.6% of opioid-exposed patients reported an overdose.
  • * Notably, two specific SNPs in the CYP3A5 and DRD2 genes were linked to increased overdose risk, while another SNP in NK1R was associated with decreased risk, suggesting these genetic markers could help predict overdose potential.
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The influence of genetic variants related to opioid use disorder (OUD) was evaluated using multiple logistic regression analysis in self-reported assigned African American/Afro-Caribbean and European biogeographical ancestry groups (BGAGs) and by sex. From a sample size of 1301 adult patients (>18 years of age) seen in emergency departments of three medical centers in Ohio, six variants were found to be associated with OUD. Two of the variants, rs2740574 (CYP3A4) and rs324029 (DRD3), were included in the analysis having met criteria of at least five subjects for each BGAG, variant carrier status, and OUD status combinations.

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Article Synopsis
  • The study examines a community-based intervention aimed at reducing opioid-related overdose deaths by increasing the adoption of evidence-based practices including overdose education and naloxone distribution, medication treatment for opioid use disorder, and prescription safety.
  • In a cluster-randomized trial, 67 communities across Kentucky, Massachusetts, New York, and Ohio were assigned to either receive the intervention or serve as a control group during a period marked by the COVID-19 pandemic and an increase in fentanyl overdoses.
  • Results showed no significant difference in opioid-related overdose death rates between the intervention and control groups, with both averaging similar rates, indicating that the community-engaged strategies did not have a measurable impact during the study period.
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Study Objective: Earlier intervention for opioid use disorder (OUD) may reduce long-term health implications. Emergency departments (EDs) in the United States treat millions with OUD annually who may not seek care elsewhere. Our objectives were (1) to compare two screening measures for OUD characterization in the ED and (2) to determine the proportion of ED patients screening positive for OUD and those who endorse other substance use to guide future screening programs.

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Background: Vaso-occlusive crises (VOCs) cause debilitating pain and are a common cause of emergency department (ED) visits, for people with sickle cell disease (SCD). Strategies for achieving optimal pain control vary widely despite evidence-based guidelines. We tested existing guidelines and hypothesized that a patient-specific pain protocol (PSP) written by their SCD provider may be more effective than weight-based (WB) dosing of parenteral opiate medication, in relieving pain.

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Objectives: To report per-capita distribution of take-home naloxone to lay bystanders and evaluate changes in opioid overdose mortality in the county over time.

Methods: Hamilton County Public Health in southwestern Ohio led the program from Oct 2017-Dec 2019. Analyses included all cartons distributed within Hamilton County or in surrounding counties to people who reported a home address within Hamilton County.

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Importance: Emergency department (ED)-initiated buprenorphine for the treatment of opioid use disorder (OUD) is underused.

Objective: To evaluate whether provision of ED-initiated buprenorphine with referral for OUD increased after implementation facilitation (IF), an educational and implementation strategy.

Design, Setting, And Participants: This multisite hybrid type 3 effectiveness-implementation nonrandomized trial compared grand rounds with IF, with pre-post 12-month baseline and IF evaluation periods, at 4 academic EDs.

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Article Synopsis
  • Genetics may play a significant role in opioid use disorder (OUD), accounting for 30-40% of the risk, suggesting that genetic markers could help identify individuals at risk.
  • A study involving 1,301 participants tested 180 single nucleotide polymorphisms (SNPs), especially focusing on the dopamine reward pathway and drug metabolism.
  • Six SNPs in four genes were associated with OUD risk, with some variants increasing odds (CYP3A5 and DRD3) while others decreased odds (CYP3A4 and CYP1A2), highlighting potential targets for future research in genetics and treatment.
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Article Synopsis
  • The study aimed to determine if short-term opioid prescriptions for acute pain in emergency departments (ED) lead to future at-risk opioid use, particularly after traumatic events.
  • Researchers analyzed data from a cohort of adult patients in 29 urban EDs, excluding those with prior non-medical opioid use or incomplete data.
  • Results showed that patients who received opioids in the ED were more likely to engage in at-risk opioid use within three months, suggesting a link between ED opioid exposure and potential misuse.
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Objective: Pre-exposure prophylaxis (PreP) reduces the rate of HIV transmission in high-risk groups. Emergency departments (EDs) frequently encounter patients at risk for HIV acquisition who are eligible for PrEP. ED HIV screening programs have prioritized testing and linkage to care for patients who test positive, but fail to refer HIV-negative patients to PrEP clinicians.

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Importance: Although LGBTQIA+ (lesbian, gay, bisexual, transgender, queer, and other sexual and gender minority) physicians experience bias in the workplace, there is a paucity of data on the experiences of physicians who identify specifically as transgender and/or gender expansive (TGE; gender expansive is an umbrella term encompassing individuals and gender identities that may exist beyond the binary framework [eg, may include nonbinary, genderqueer, and agender individuals]).

Objectives: To explore the professional experiences of TGE physicians, identify barriers to inclusion, and highlight stakeholder-derived strategies that promote an inclusive workplace.

Design, Setting, And Participants: This qualitative study informed by semistructured interviews was conducted among 24 TGE physicians in the US from April 1 to December 31, 2021.

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There has been a substantial rise in the number of publications and training opportunities on the care and treatment of emergency department (ED) patients with opioid use disorder over the past several years. The American College of Emergency Physicians recently published recommendations for providing buprenorphine to patients with opioid use disorder, but barriers to implementing this clinical practice remain. We describe the models for implementing ED-initiated buprenorphine at 4 diverse urban, academic medical centers across the country as part of a federally funded effort termed "Project ED Health.

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This second Guideline for Reasonable and Appropriate Care in the Emergency Department (GRACE-2) from the Society for Academic Emergency Medicine is on the topic "low-risk, recurrent abdominal pain in the emergency department." The multidisciplinary guideline panel applied the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach to assess the certainty of evidence and strength of recommendations regarding four priority questions for adult emergency department patients with low-risk, recurrent, undifferentiated abdominal pain. The intended population includes adults with multiple similar presentations of abdominal signs and symptoms recurring over a period of months or years.

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Background: Legislation, practice recommendations, and the likely link between therapeutic opioid exposure and iatrogenic opioid use disorder (OUD) have led to reduced opioid prescribing. The effects of this change on unrelieved pain and the overdose crisis are not well-characterized.

Aim: We explored emergency department (ED) patients' beliefs and experiences involving pain and emergency care to inform the development of future psychosocial interventions that balance the need for acute pain management with risks from opioid exposure.

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Background: In order to assist the State of Ohio in the United States in addressing the opioid epidemic, the Ohio Attorney General appointed experts in a variety of academic disciplines to the Scientific Committee on Opioid Prevention and Education (SCOPE). The focus of SCOPE is the application of scientific principles in the development of prevention and educational strategies for reducing substance use disorder (SUD). One area of focus for SCOPE was SUD education of healthcare professionals.

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Efforts to minimize the impact of prescribed opioids on future adverse outcomes are reliant on emergency care providers' ability to screen and detect opioid use disorder (OUD). Many prescriptions are initiated in the emergency department (ED) for acute pain; thus, validated measures are especially needed. Our systematic review describes the available opioid-related screening measures identified through search of the available literature.

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Article Synopsis
  • * A study used the Pharmacogenomics Knowledgebase (PharmGKB) to identify 22 gene variants related to heroin dependence; eight genes were associated with higher risk and three with lower risk, but the evidence quality was moderate to low.
  • * More research is needed to explore how genetic factors and biomarker influences affect OUD and related reward pathways, which is crucial before integrating findings into clinical practices.
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Objective: Therapeutic opioid exposure is associated with long-term use. How much later use is due to opioid use disorder (OUD) and the incidence of OUD without preceding therapeutic exposure are unknown. We preliminarily explored the association between emergency department opioid prescriptions and subsequent OUD.

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The opioid crisis is a national health emergency with immense morbidity, mortality, and socioeconomic cost. Emergency department (ED) pain management is tightly linked to the issue of opioid use disorder (OUD), because opioid exposure is necessary for development of OUD. Emergency nurses are on the frontlines of this complex problem, yet little, if any, attention has been paid to the role they play in the prevention and management of either pain or OUD in this unique and important setting.

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Background: Pain can impair functional status, including a patient's ability to return to work. The purpose of this study was to determine whether there was an association between pain levels and return-to-work status during the first 4 days post-ED discharge in ED patients seen for undifferentiated acute pain.

Methods: This secondary analysis of data from the Acute Management of Pain from the Emergency Department (AMPED) registry included patients who reported working either full-time or part-time.

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