Publications by authors named "Tia L Kauffman"

Purpose: We developed an electronic patient-facing family history collection tool including B-RST 3.0, PREMM risk assessments and "limited family knowledge/structure" information designed for primary care settings. We evaluated the tool's performance compared with genetic-counselor-collected information for clinical risk stratification in a population with barriers to access.

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  • The study investigates whether COVID-19 vaccination affects the diagnosis and evaluation of abnormal uterine bleeding in women aged 16 to 44, using data from a large health system.
  • Researchers compared diagnosis rates of abnormal uterine bleeding before and after COVID-19 vaccine availability, using segmented regression to analyze changes in trends.
  • Findings show no significant increase in abnormal uterine bleeding diagnoses post-vaccination, and cases among recently vaccinated patients were found to be similar or less severe compared to unvaccinated individuals.
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Scalable models for result disclosure are needed to ensure large-scale access to genomics services. Research evaluating alternatives to genetic counseling suggests effectiveness; however, it is unknown whether these findings are generalizable across populations. We assessed whether a letter is non-inferior to telephone genetic counseling to inform participants with no personal or family history of cancer of their normal results.

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  • Annual influenza vaccination is recommended for all individuals aged 6 months and older in the U.S., with vaccination coverage assessed from 2017-18 to 2022-23 to identify at-risk populations and improve vaccination strategies.* -
  • Data from electronic health records across eight health systems indicated that vaccination coverage peaked at 46.2% in the 2019-20 season but declined to 40.3% in the 2022-23 season, particularly among high-risk groups and young children.* -
  • The study found persistent disparities in vaccination rates, with lower coverage observed among males, younger adults, non-Hispanic Black individuals, and those without high-risk conditions, highlighting the need for targeted vaccination efforts
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  • - A study examined postmenopausal bleeding trends before and after COVID-19 vaccination among Kaiser Permanente Northwest female members aged 45 and older, focusing on changes in diagnoses over time.
  • - Using electronic medical records, researchers conducted a segmented regression analysis to determine if the rate of incident postmenopausal bleeding diagnoses differed with COVID-19 vaccination status between 2018 and 2021.
  • - Findings revealed no statistically significant difference in postmenopausal bleeding rates pre- and post-vaccination, with 104 individuals experiencing new bleeding incidents but no clear link established to the vaccine.
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  • The CHARM study focused on providing genetic testing and risk management for cancer to underserved populations, addressing barriers to access in low-income and low-literacy groups.
  • Conducted at Kaiser Permanente Northwest and Denver Health from 2018 to 2020, the study monitored participants for an average of 15.4 months to evaluate the use of cancer screenings and surgical procedures after receiving genetic test results.
  • Although only a small percentage of participants received actionable recommendations, those who did showed moderate engagement in risk management practices, indicating that the study successfully increased access to genetic services and preventive care without leading to overuse of these services.
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The U.S. Food and Drug Administration authorized use of mRNA COVID-19 bivalent booster vaccines on August 31, 2022.

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  • A study examined influenza vaccination coverage among pregnant people in the U.S. from the 2016-2017 to 2021-2022 seasons, revealing trends among different demographics.
  • Coverage rose from 63.0% in 2016-2017 to a peak of 71.0% in 2019-2020 but dropped significantly to 56.4% during the 2021-2022 season post-COVID-19 pandemic.
  • The research highlighted that the lowest vaccination rates were consistently among pregnant individuals aged 18-24 and non-Hispanic Black individuals, emphasizing the need for targeted outreach to increase vaccination coverage.
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  • Screening adherence for mammography and MRI is crucial for individuals with inherited genetic variants linked to higher breast cancer risk, yet it remains low in practice.
  • A study assessed the percentage of time individuals adhered to annual mammograms and breast MRIs, revealing an average adherence of 48% for mammograms and 34% for MRIs among those with certain genetic variants.
  • The findings suggest a need for further research to understand and improve adherence to these important screening practices, particularly for those with pathogenic variants in breast cancer-associated genes.
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Introduction This paper describes the epidemiology and clinical presentation of complex regional pain syndrome (CRPS) in a large, integrated health care delivery system; and CRPS incidence rates (IRs) over a time period spanning human papillomavirus (HPV) vaccine licensure and published case reports of CRPS following HPV vaccination. Methods The authors examined CRPS diagnoses in patients aged 9-30 years between January 2002 and December 2017 using electronic medical records, excluding patients with lower limb diagnoses only. Medical record abstraction and adjudication were conducted to verify diagnoses and describe clinical characteristics.

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Underserved patients face substantial barriers to receiving cancer genetic services. The Cancer Health Assessments Reaching Many (CHARM) study evaluated ways to increase access to genetic testing for individuals in underserved populations at risk for hereditary cancer syndromes (HCS). Here, we report the successful implementation of CHARM in a low-resource environment and the development of sustainable processes to continue genetic risk assessment in this setting.

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The objective of this study was to identify interpretation challenges specific to exome sequencing and errors of potential clinical significance in the context of genetic counseling for adults at risk for a hereditary cancer syndrome. Thirty transcripts of interpreter-mediated telephone results disclosure genetic counseling appointments were coded for errors by bilingual researchers, and the coders applied an overall rating to denote the degree to which the errors interfered with communication overall. Genetic counselors reviewed a subset of errors flagged for potential clinical significance to identify those likely to have clinical impact.

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Integrating data across heterogeneous research environments is a key challenge in multi-site, collaborative research projects. While it is important to allow for natural variation in data collection protocols across research sites, it is also important to achieve interoperability between datasets in order to reap the full benefits of collaborative work. However, there are few standards to guide the data coordination process from project conception to completion.

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Background: Risk assessment for hereditary cancer syndromes is recommended in primary care, but family history is rarely collected in enough detail to facilitate risk assessment and referral - a roadblock that disproportionately impacts individuals with healthcare access barriers. We sought to qualitatively assess a literacy-adapted, electronic patient-facing family history tool developed for use in diverse, underserved patient populations recruited in the Cancer Health Assessments Reaching Many (CHARM) Study.

Methods: Interview participants were recruited from a subpopulation of CHARM participants who experienced barriers to tool use in terms of spending a longer time to complete the tool, having incomplete attempts, and/or providing inaccurate family history in comparison to a genetic counselor-collected standard.

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  • Germline genetic testing for hereditary cancer susceptibility can lead to preventative actions like prophylactic surgeries in unaffected individuals, specifically in a study within the Kaiser Permanente Northwest health system from 2010 to 2018.
  • The study analyzed data from 1020 individuals tested for high-risk genetic variants, finding only a small percentage opted for recommended risk-reducing surgeries such as mastectomy and hysterectomy based on their results.
  • Results indicate that the use of risk-reducing surgeries is lower than expected, suggesting that other factors beyond genetic test outcomes and guidelines influence individuals' decisions to undergo prophylactic procedures, warranting further investigation.
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Purpose: Individuals having genomic sequencing can choose to be notified about pathogenic variants in genes unrelated to the testing indication. A decision aid can facilitate weighing one's values before making a choice about these additional results.

Methods: We conducted a randomized trial (N = 231) comparing informed values-choice congruence among adults at risk for a hereditary cancer syndrome who viewed either the Optional Results Choice Aid (ORCA) or web-based additional findings information alone.

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Introduction: Lynch syndrome (LS) is associated with an increased risk of colorectal (CRC) and endometrial (EC) cancers. Universal tumor screening (UTS) of all individuals diagnosed with CRC and EC is recommended to increase identification of LS. Kaiser Permanente Northwest (KPNW) implemented a UTS program for LS among individuals newly diagnosed with CRC in January 2016 and EC in November 2016.

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Purpose: This study aimed to evaluate the laboratory-related outcomes of participants who were offered genomic testing based on cancer family history risk assessment tools.

Methods: Patients from clinics that serve populations with access barriers, who are screened at risk for a hereditary cancer syndrome based on adapted family history collection tools (the Breast Cancer Genetics Referral Screening Tool and PREMM), were offered exome-based panel testing for cancer risk and medically actionable secondary findings. We used descriptive statistics, electronic health record review, and inferential statistics to explore participant characteristics and results, consultations and actions related to pathogenic/likely pathogenic variants identified, and variables predicting category of findings, respectively.

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Background: A critical step in access to genetic testing for hereditary cancer syndromes is referral for genetic counseling to assess personal and family risk. Individuals meeting testing guidelines have the greatest need to be evaluated. However, referrals to genetics are underutilized in US patients with hereditary cancer syndromes, especially within traditionally underserved populations, including racial and ethnic minorities, low-income, and non-English speaking patients.

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Purpose: Understanding the motivations and concerns of patients from diverse populations regarding participation in implementation research provides the needed evidence about how to design and conduct studies for facilitating access to genetics services. Within a hereditary cancer screening study assessing a multifaceted intervention, we examined primary care patients' motivations and concerns about participation.

Methods: We surveyed and interviewed study participants after they enrolled, surveyed those who did not complete enrollment, and used descriptive qualitative and quantitative methods to identify motivations and concerns regarding participation.

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Guidelines currently state that genetic testing is clinically indicated for all individuals diagnosed with ovarian cancer. Individuals with a prior diagnosis of ovarian cancer who have not received genetic testing represent missed opportunities to identify individuals with inherited high-risk cancer variants. For deceased individuals, post-mortem genetic testing of pathology specimens allows surviving family members to receive important genetic risk information.

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Objectives: To evaluate potential consequences of expanded carrier screening (ECS) for reproductive risk on health care utilization among women who are not at increased reproductive risk.

Study Design: Women planning pregnancy were randomized to usual care carrier screening or ECS to assess reproductive risks. Electronic health record (EHR) data were used to evaluate the effects of ECS on pregnancy-related utilization and general health care utilization among all study participants who did not receive positive ECS results of at least a 25% risk (ie, received negative [normal] ECS results).

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