Publications by authors named "Holly Frost"

Objective: This qualitative study aimed to understand facilitators and barriers to implementation of interventions to improve guideline-concordant antibiotic duration prescribing for pediatric acute otitis media (AOM).

Design: Clinicians and clinic administrators participated in semi-structured qualitative interviews, and parents of children 2 years of age or older with a recent diagnosis of AOM participated in focus groups. The Practical Robust Implementation and Sustainability Model (PRISM) guided the study.

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Background: Identify opportunities to improve syphilis screening by describing changes in patient characteristics and risk factors among individuals with syphilis and by comparing cases with and without an indication for syphilis screening.

Methods: This retrospective cohort study used Colorado public health surveillance data to identify 8,326 syphilis diagnoses from 2011-2020. Demographics, clinical characteristics, and risk factors were compared across 2-year groups and between individuals with and without an indication for screening.

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Objective: To determine the causes of conjunctivitis and whether clinical presentations and outcomes differ by pathogen.

Study Design: This multicenter, case-control study enrolled 390 children (194 cases, 196 controls) whose conjunctival samples were tested for bacterial and viral pathogens. Caregivers completed surveys tracking symptoms, antibiotic use, school attendance, and adverse events.

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Article Synopsis
  • Acute otitis media (AOM) leads to about 25% of antibiotic prescriptions for children each year, but many receive longer courses than recommended.
  • A study analyzed medical records of children aged 2-17 with AOM and found that 75% were prescribed antibiotics for 10 days, contrary to guidelines suggesting shorter durations.
  • The findings highlight the need to prioritize shortening antibiotic treatments for AOM to minimize unnecessary exposure and support pediatric antibiotic stewardship efforts.
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Among surveyed households, the transmission rate of pediatric conjunctivitis was 12%. Rates did not differ when the index child did or did not use an ophthalmic antibiotic (14% vs 11% [P = 0.6]).

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Background: Infectious conjunctivitis affects 1 in 8 children annually, resulting in high ophthalmic antibiotic prescribing and absenteeism from childcare and school. We aimed to quantify the cost-effectiveness and annual savings of 3 evidence-based approaches to conjunctivitis management and return to childcare and school compared to usual care.

Methods: Using a decision analytic model from a societal perspective over a 1-year time horizon, we conducted a cost-effectiveness analysis of 3 management strategies for children aged 6 months to 17 years with non-severe conjunctivitis compared to usual care in the United States.

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Transmission rates among children with conjunctivitis were low and antibiotic use was not associated with reduced transmission. Policies recommending exclusion from daycare and school for conjunctivitis should be scrutinized as they may not reduce transmission and may increase unnecessary antibiotic use.

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Article Synopsis
  • The study aimed to investigate whether host genetics play a role in the severity of blastomycosis, a fungal infection.
  • Researchers compared the genetic profiles of patients with the disease to a control group, looking for differences in single nucleotide polymorphisms (SNPs).
  • Ultimately, they found no genetic risk factors associated with the severity of blastomycosis; instead, the species of the fungus affecting patients significantly influenced symptom severity.
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Background: Acute otitis media (AOM) is the most common reason children are prescribed antibiotics. Bacteria that produce beta-lactamase are an increasingly frequent cause of AOM and may be resistant to amoxicillin, the currently recommended treatment for AOM. We aimed to evaluate the clinical outcomes of children treated with amoxicillin for AOM and assessed whether outcomes vary by infecting pathogen or beta-lactamase production.

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Importance: Adoption of primary care interventions to reduce childhood obesity is limited. Progress in reducing obesity prevalence and eliminating disparities can be achieved by implementing effective childhood obesity management interventions in primary care settings.

Objective: To examine the extent to which implementation strategies supported the uptake of research evidence and implementation of the Connect for Health pediatric weight management program.

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Background: Watchful waiting management for acute otitis media (AOM), where an antibiotic is used only if the child's symptoms worsen or do not improve over the subsequent 2-3 days, is an effective approach to reduce antibiotic exposure for children with AOM. However, studies to compare the effectiveness of interventions to promote watchful waiting are lacking. The objective of this study is to compare the effectiveness and implementation outcomes of two pragmatic, patient-centered interventions designed to facilitate use of watchful waiting in clinical practice.

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Article Synopsis
  • The Connect for Health program is a pediatric weight management initiative that includes clinical support and resources aimed at low-income communities with high childhood obesity rates.
  • The cost of implementing the program varied across three health systems, with total expenses ranging from about $77,000 to $143,000, largely driven by technology setup and training.
  • Understanding these cost drivers and considering specific contextual factors is essential for future cost projections and effective program implementation.
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Preventing unnecessarily long durations of antibiotic therapy is a key opportunity to reduce antibiotic overuse in children 2 years of age and older with acute otitis media (AOM). Pragmatic interventions to reduce durations of therapy that can be effectively scaled and sustained are urgently needed. This study aims to fill this gap by evaluating the effectiveness and implementation outcomes of two low-cost interventions of differing intensities to increase guideline-concordant antibiotic durations in children with AOM.

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Background: Antibiotics are often overprescribed for pediatric conjunctivitis. We implemented a system-level quality improvement (QI) intervention to reduce unnecessary ophthalmic antibiotic use.

Methods: The multi-faceted intervention in Denver, CO comprised a clinical care pathway, nurse protocol modifications, electronic health record (EHR) changes, parent education materials, and clinician education.

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Most antibiotics are prescribed in ambulatory setting and at least 30% to 50% of these prescriptions are unnecessary. The use of antibiotics when not needed promotes the development of antibiotic resistant organisms and harms patients by placing them at risk for adverse drug events and Clostridioides difficile infections. National guidelines recommend that health systems implement antibiotic stewardship programs in ambulatory settings.

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Otopathogens in acute otitis media (AOM) have implications for care because the likelihood of resolution without antibiotics and optimal antibiotic agent varies by microorganism. We aimed to determine the sensitivity, specificity, positive predictive value, and negative predictive value of nasopharyngeal (NP) qualitative polymerase chain reaction (PCR) for common bacterial otopathogens in children with AOM compared to NP culture. NP flocked swabs collected from enrolled children aged 6 to 35 months with uncomplicated AOM in Denver, CO were tested by culture and multiplex PCR.

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There are few estimates of the seroprevalence of SARS-CoV-2 antibodies among children in the United States. We measured vaccine and infection induced seroprevalence among nearly 5000 healthy 1 to 17-year-old children in Colorado from 2020 to 2021. By December 2021, 89% of older children, ages 12 to 18, had antibodies detected.

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Introduction: Acute otitis media (AOM) affects most (80%) children by 5 years of age and is the most common reason children are prescribed antibiotics. The epidemiology of AOM has changed considerably since the widespread use of pneumococcal conjugate vaccines, which has broad-reaching implications for management.

Areas Covered: In this narrative review, we cover the epidemiology of AOM, best practices for diagnosis and management, new diagnostic technology, effective stewardship interventions, and future directions of the field.

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Background: Acute otitis media (AOM) is the most common indication for antibiotics in children. The associated organism can influence the likelihood of antibiotic benefit and optimal treatment. Nasopharyngeal polymerase chain reaction can effectively exclude the presence of organisms in middle-ear fluid.

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Vaccination for Human Papillomavirus (HPV) is important to reduce rates of cervical and oropharyngeal cancer. We aimed to evaluate if a program to initiate HPV vaccination at 9 years improved initiation and completion rates by 13 years of age. Data on empaneled patients aged 9-13 years from January 1, 2021 to August 30, 2022 were abstracted from the electronic health record.

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Unlabelled: We aimed to determined the impact of an intervention using rapid chlamydia (CT)/gonorrhea (GC) testing on reducing unnecessary antibiotic use, undertreatment of CT and/or GC, and length of stay (LOS) in an urban safety-net pediatric emergency department.

Methods: Before 2020, we tested for CT/GC using a batched nucleic acid amplification test, with results available the following day. Starting in January 2020, we implemented rapid nucleic acid amplification test.

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Our study assessed adolescents' and emerging adults' (ages 14-24 years) preferences for opt-out gonorrhea and chlamydia screening compared with risk-based screening. Most participants (93%) preferred opt-out gonorrhea and chlamydia testing compared with risk-based testing (6%), and opt-out testing was associated with less sexually transmitted infection-related stigma ( P < 0.05).

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