Publications by authors named "Elizabeth S Burnside"

External advisory committees (EACs) are critical peer-review meetings that drive improvement at Clinical and Translational Science Award Program Hubs. Despite their ubiquity, evaluations of EAC optimization and effective implementation remain scarce. We present a two-tiered approach to optimizing EAC meetings through (1) in-depth, topically focused "pre-review" meetings comprised of external topic experts and at least one standing "full-board" EAC member, followed by (2) a traditional "full-board" EAC meeting.

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  • Pathogenic variants (PVs) in certain genes like BRCA1 and BRCA2 increase breast cancer risk, but it's unclear how risk varies based on the type and location of these variants.
  • This study analyzed breast cancer risks associated with different PV types and locations using data from 12 US studies and clinical cohorts involving over 64,000 women.
  • Results showed that women with specific exon PTVs had higher breast cancer risks, lower rates of ER-negative breast cancer, and were diagnosed at younger ages compared to those with other variants, with these patterns observed across multiple cohorts.
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  • - The study aimed to enhance breast cancer risk modeling by integrating pathogenic variants (PVs) in specific genes, a polygenic risk score (PRS), and an epidemiologic risk score (ERS) using data from over 23,000 breast cancer cases and controls.
  • - The results showed that postmenopausal women with no PVs but high ERS had a 4.4-fold increase in breast cancer risk, while some CHEK2 PV carriers had a predicted lifetime risk below 20%, indicating potential over-screening in certain groups.
  • - The findings suggest that combining these risk factors can improve risk assessment and possibly lead to more tailored screening and prevention strategies for breast cancer.
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In evidence-based medicine frameworks, the highest level of evidence is derived from quantitative synthesis of double-masked, high-quality, randomly assigned controlled trials. Meta-analyses of randomly assigned controlled trials have demonstrated that screening mammography reduces breast cancer deaths. In the United States, every major guideline-producing organization has recommended screening mammography in average-risk women; however, there are controversies about age and frequency.

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Purpose: Cancer detection rate (CDR), an important metric in the mammography screening audit, is designed to ensure adequate sensitivity. Most practices use biopsy results as the reference standard; however, commonly ascertainment of biopsy results is incomplete. We used simulation to determine the relationship between the cancer ascertainment rate of biopsy (AR-biopsy), CDR estimation, and associated error rates in classifying whether practices and radiologists meet the established ACR benchmark of 2.

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Despite understanding its impact on organizational effectiveness, practical guidance on how to train translational team (TT) leaders is lacking. Previously, we developed an evolutionary learning model of TT maturation consisting of three goal-directed phases: (1). team assembly (); (2).

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Purpose: Germline pathogenic variants in CHEK2 confer moderately elevated breast cancer risk (odds ratio, OR ∼ 2.5), qualifying carriers for enhanced breast cancer screening. Besides pathogenic variants, dozens of missense CHEK2 variants of uncertain significance (VUS) have been identified, hampering the clinical utility of germline genetic testing (GGT).

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Successful translation involves the coupled application of knowledgegenerating research with product development to advance a device, drug, diagnostic, or evidence-based intervention for clinical adoption to improve human health. Critical to the success of the CTSA consortium, translation can be more effectively accomplished by training approaches that focus on improving team-emergent knowledge skills and attitudes (KSAs) linked to performance. We earlier identified 15 specific evidence-informed, team-emergent competencies that facilitate translational team (TT) performance.

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Background: The clinical narrative in electronic health records (EHRs) carries valuable information for predictive analytics; however, its free-text form is difficult to mine and analyze for clinical decision support (CDS). Large-scale clinical natural language processing (NLP) pipelines have focused on data warehouse applications for retrospective research efforts. There remains a paucity of evidence for implementing NLP pipelines at the bedside for health care delivery.

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A translational team (TT) is a specific type of interdisciplinary team that seeks to improve human health. Because high-performing TTs are critical to accomplishing CTSA goals, a greater understanding of how to promote TT performance is needed. Previous work by a CTSA Workgroup formulated a taxonomy of 5 interrelated team-emergent competency "domains" for successful translation: 1).

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  • The study aims to enhance shared decision making (SDM) for breast cancer screening in women aged 40-49, addressing challenges with innovative quality improvement and team science methods.
  • An interdisciplinary team worked over six years using a plan-do-study-act approach to develop and implement a SDM tool known as the Breast Cancer Risk Estimator, which was well-received by 87% of patients.
  • Results showed increased usage of the tool from 2,000 to 4,097 sessions over two years, indicating that effective team collaboration and data support were crucial for the success of improving cancer care delivery.
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Overdiagnosis of breast cancer, defined as diagnosing a cancer that would otherwise not cause symptoms or death in a patient's lifetime, costs U.S. health care system over $1.

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  • Guidelines for breast cancer follow-up recommend imaging for distant metastases only when patients show symptoms, but new research suggests better imaging methods could improve survival rates.
  • In a study of 10,076 women with stage II-III breast cancer, it was found that 23.3% of distant recurrences were detected through imaging, while the majority were symptomatic detections.
  • Asymptomatic imaging was linked to a lower risk of death in patients with triple-negative and HER2-positive cancers, indicating a need for updated clinical recommendations and a randomized trial to explore these findings further.
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Purpose: Data on utilization rate and cancer yield of BI-RADS® category 3 in routine clinical practice in diagnostic mammography are sparse. The aim of this study was to determine utilization rate and cancer yield of BI-RADS 3 in diagnostic mammography in the ACR National Mammography Database (NMD).

Methods: Retrospective analysis of NMD mammograms from January 1, 2009, to June 30, 2018, was performed.

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Guidelines recommend that clinicians practice shared decision-making (SDM) with women in their 40s to discuss breast cancer screening. Traditionally, SDM includes discussion of values and preferences to help determine a decision that is congruent with what the patient desires. We analyzed 54 women's breast cancer screening decisions after a SDM conversation with their clinician.

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  • The study aimed to determine the prevalence of germline pathogenic variants (PVs) in breast cancer predisposition genes among women over 65 years old, finding a higher frequency in those with breast cancer (3.18%) compared to unaffected women (1.48%).
  • It identified specific genes associated with increased breast cancer risks, particularly in those with estrogen receptor-negative or triple-negative cancers, suggesting that genetic testing should be routine for these patients.
  • The findings support the need for further screenings, like MRI, for older women with certain PVs, highlighting the importance of genetic knowledge in breast cancer management.
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Background: This study investigates whether quantitative breast density (BD) serves as an imaging biomarker for more intensive breast cancer screening by predicting interval, and node-positive cancers.

Methods: This case-control study of 1204 women aged 47-73 includes 599 cancer cases (302 screen-detected, 297 interval; 239 node-positive, 360 node-negative) and 605 controls. Automated BD software calculated fibroglandular volume (FGV), volumetric breast density (VBD) and density grade (DG).

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  • The study examined how pathogenic variants (PVs) in breast cancer genes and polygenic risk scores (PRS) collectively affect breast cancer (BC) risk in a general population.
  • A large sample of almost 53,000 participants (both BC cases and controls) was analyzed for PVs and created PRS based on genetic data from previous studies, to estimate the odds of developing BC.
  • The findings showed that incorporating PRS could help identify individuals at lower risk among those with PVs, suggesting a more tailored approach to breast cancer screening and prevention strategies.
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The pervasive problem of irreproducibility of preclinical research represents a substantial threat to the translation of CTSA-generated health interventions. Key stakeholders in the research process have proposed solutions to this challenge to encourage research practices that improve reproducibility. However, these proposals have had minimal impact, because they either 1.

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Background: Population-based estimates of the risk of breast cancer associated with germline pathogenic variants in cancer-predisposition genes are critically needed for risk assessment and management in women with inherited pathogenic variants.

Methods: In a population-based case-control study, we performed sequencing using a custom multigene amplicon-based panel to identify germline pathogenic variants in 28 cancer-predisposition genes among 32,247 women with breast cancer (case patients) and 32,544 unaffected women (controls) from population-based studies in the Cancer Risk Estimates Related to Susceptibility (CARRIERS) consortium. Associations between pathogenic variants in each gene and the risk of breast cancer were assessed.

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The study examines whether physicians' framing of clinical interactions is related to patient shared decision-making (SDM) satisfaction when using a clinical decision support tool (CDST) concerning mammographic screening. To answer this question, we combined (a) system log data from a CDST, (b) content coding of the physicians' message framing while using the CDST, and (c) a post-visit patient survey to assess SDM satisfaction concerning screening mammography. Results suggest that two types of message frames - consequence frames and numerical frames - moderated the relationship of the CDST on SDM satisfaction.

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Background: The incidence of ductal carcinoma in situ (DCIS) has increased substantially since the introduction of mammography screening. Nevertheless, little is known about the natural history of preclinical DCIS in the absence of biopsy or complete excision.

Methods: Two well-established population models evaluated six possible DCIS natural history submodels.

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Background The literature supports the use of short-interval follow-up as an alternative to biopsy for lesions assessed as probably benign, Breast Imaging Reporting and Data System (BI-RADS) category 3, with an expected malignancy rate of less than 2%. Purpose To assess outcomes from 6-, 12-, and 24-month follow-up of probably benign findings first identified at recall from screening mammography in the National Mammography Database (NMD). Materials and Methods This retrospective study included women recalled from screening mammography with BI-RADS category 3 assessment at additional evaluation from January 2009 through March 2018 from 471 NMD facilities.

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Background: The United States Preventive Services Task Force recommends individualized breast cancer screening for average-risk women before age 50, advised by risk assessment and shared decision-making (SDM). However, the foundational principles of this recommendation that would inform decision support tools for patients and primary care physicians at the point of care have not been codified. Determining the core elements of SDM for breast cancer screening as valued by patients and primary care providers (PCPs) is necessary for implementing effective SDM tools.

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