Publications by authors named "Rachel Ancona"

Context: Postintubation sedation is a critical intervention for patients undergoing mechanical ventilation. Research in the intensive care unit (ICU) and adult emergency department (ED) demonstrates that appropriate postintubation sedation has a significant impact on patient outcomes. There are minimal published data regarding postintubation sedation for pediatric ED patients.

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  • The study aimed to find environmental features linked to higher rates of drug-related fatalities and created a risk score based on these features.
  • Researchers analyzed overdose data from St. Louis County, using Risk Terrain Modeling (RTM) to determine how proximity to various places affected overdose risk, separating data by drug type and race of decedents.
  • Key findings revealed that fatalities were notably higher near hotels/motels, foreclosures, and restaurants, with specific patterns differing by race, suggesting that certain built environments reflect social conditions that contribute to overdose risk.
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  • The SQuID protocol, aimed at treating low- to moderate-severity diabetic ketoacidosis outside of intensive care, was assessed for acceptability among emergency department and inpatient clinicians through a survey conducted between March and November 2023 at an urban academic hospital.
  • A high response rate of 80% (107 out of 133 clinicians) revealed that 65% of ED clinicians preferred SQuID over traditional intravenous insulin, with overall acceptability rated positively across various domains.
  • Clinicians expressed strong support for SQuID, describing it as easy to use and demonstrating a favorable attitude towards its implementation in clinical practice.
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Objective: We previously demonstrated safe treatment of low- to moderate-severity (LTM) diabetic ketoacidosis (DKA) using the SQuID protocol (subcutaneous insulin in DKA) in a non-intensive care unit (ICU) observation setting, with decreased emergency department length of stay (EDLOS). Here, we expand eligibility to include sicker patients and admission to a regular medical floor and collected more detailed clinical data in a near-real-time fashion.

Methods: This is a real-world, prospective, observational cohort study in an urban academic hospital (March 4, 2023-March 4, 2024).

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Background: Firearm injuries are the leading cause of death among children aged 0 to 17 years in the United States.

Objective: To examine the factors associated with recurrent firearm injury among children who presented with acute (index) nonfatal firearm injury in the St. Louis region.

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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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Objectives: To improve firearm injury encounter classification (new vs follow-up) using machine learning (ML) and compare our ML model to other common approaches.

Materials And Methods: This retrospective study used data from the St Louis region-wide hospital-based violence intervention program data repository (2010-2020). We randomly selected 500 patients with a firearm injury diagnosis for inclusion, with 808 total firearm injury encounters split (70/30) for training and testing.

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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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Objective: Air medical transportation (AMT) of patients plays a critical role in the prehospital care of the ill patient. Despite its importance, there is no requirement in emergency medicine training programs to have direct experience or education on the topic, and data detailing current AMT experiences across programs are limited.

Methods: A survey detailing program characteristics, AMT experience characteristics, and curriculum factors relating to AMT experience was sent to all 275 credentialed emergency medicine residency training programs in the United States.

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Background: Firearm injuries are a public health crisis in the United States.

Objective: To examine the incidence and factors associated with recurrent firearm injuries and death among patients presenting with an acute (index), nonfatal firearm injury.

Design: Multicenter, observational, cohort study.

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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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Background: Studies using fast-acting subcutaneous (SQ) insulin analogs in diabetic ketoacidosis (DKA) have demonstrated efficacy, safety, and cost-effectiveness, allowing treatment of mild-to-moderate (MTM)-severity DKA patients in non-intensive care unit (ICU) settings. However, emergency department (ED)-based studies are few, with limited exploration of impacts on operational metrics.

Methods: We implemented the SQuID (Subcutaneous Insulin in Diabetic Ketoacidosis) protocol for adults with MTM-severity DKA in an urban academic ED, collecting data from August 1, 2021, to February 28, 2022.

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  • 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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  • 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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Objective: Emergency departments (EDs) are highly valued settings for HIV screening. Most large-volume ED HIV screening programs have attenuated operational barriers by screening only ED patients who already have a blood sample available for other clinical reasons. Our objective was to estimate the proportion of HIV positive patients who are missed when an ED excludes patients for whom HIV screening would be the only indication to obtain a blood sample.

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Importance: The National HIV Strategic Plan for the US recommends HIV screening in emergency departments (EDs). The most effective approach to ED-based HIV screening remains unknown.

Objective: To compare strategies for HIV screening when integrated into usual ED practice.

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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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Objective: Multiple HIV outbreaks among persons who inject drugs (PWID) have occurred in the US since 2015. Emergency departments (EDs), recognized as essential venues for HIV screening, may play a unique role in identifying undiagnosed HIV among PWID, who frequently present for complications of injection drug use (IDU). Our objective was to describe changes in HIV diagnoses among PWID detected by an ED HIV screening program and estimate the program's contribution to HIV diagnoses among PWID county-wide during the emergence of a regional HIV outbreak.

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Objective: Pre-exposure prophylaxis (PrEP) is a highly effective but underutilized method of HIV prevention. Emergency departments (EDs) have access to at-risk populations meeting CDC eligibility criteria for PrEP. Characterizing this population could help motivate, develop, and implement ED interventions to promote PrEP uptake.

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Emergency departments (EDs) are an important potential site for public health screening programs, although implementation of such programs can be challenging. Potential barriers include system-level issues (e.g.

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Introduction: Patients with opioid use disorder (OUD) are at increased risk for overdose and death. Clinical practice guidelines and professional organization policy statements recommend providing naloxone to patients at risk for overdose. We sought to characterize fidelity to naloxone practice recommendations in a cohort of Emergency Department (ED) patients in whom opioid use disorder was suspected by the treating physician.

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Objectives: Emergency departments (EDs) are called to implement public health and prevention initiatives, such as infectious disease screening. The perception that ED resources are insufficient is a primary barrier. Resource needs are generally conceptualized in terms of total number of ED encounters, without formal calculation of the number of encounters for which a service is required.

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