key: cord-0068500-kcp1mu7i
authors: Rosenfeld, M.; Ostrenga, J.; Cromwell, E.; Fink, A.; Szczesniak, R.; Magaret, A.; Sanders, D.
title: 60: The real-world effectiveness of U.S. CF newborn screening
date: 2021-10-15
journal: J Cyst Fibros
DOI: 10.1016/s1569-1993(21)01485-5
sha: b2404b455ed16ae4a60637e331059ee6c89149ff
doc_id: 68500
cord_uid: kcp1mu7i

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data collection at 6 months and 12 months will identify the natural progression of IgG in CF patients in response to COVID-19. Acknowledgements: We would like the thank the University of Minnesota Medical School COVID-19 Rapid Response Grant Initiative and the With One Breath Foundation for funding this study. We especially thank our patients with cystic fibrosis and their caregivers for participating in this study.

The essential role of the community health worker in rural CF clinics N. Yuen 1 , C. Guthrie 2 , K. Williams 3 . 1 Psychiatry and Behavioral Health, UT Health Science Center at Tyler, Tyler, USA; 2 Cystic Fibrosis Clinic, The University of Texas Health Science Center at Tyler, Tyler, USA; 3 CF, UT Health Science Center at Tyler, Tyler, USA Background: The University of Texas Health Science Center at Tyler (UTHSCT) serves Northeast Texas, a 35-county region with a population close to 1.5 million with more than half in rural areas. When compared to urban residents, rural residents experience more challenges in health care due to financial constraints, scarcity of services, insufficient transportation, and poor internet service [1] . Consequently, they are generally in poorer health with unmet health navigation needs and health literacy limitations [2] . Our CF clinic encounters the same challenges, as many patients seek help with health care navigation tasks, including insurance sign up and Trikafta paperwork. Our patients express that the processes to obtain resources are complex and difficult. Community health workers (CHW) improve health care by providing patients with health knowledge, promoting self-sufficiency, and increasing access to health care through education, advocacy, as well as social support [3] . In 2016, the CF foundation provided funding for a mental health coordinator for our clinic for 3 years. Upon conclusion of the grant, limited support was provided by social workers or the psychology department. Such services were not adequately addressing patient needs, and UTHSCT responded by providing funding for a CHW. Prior to February 2021, our clinic did not systemically document resource assistance. The purpose of this study is to quantify the valuable role of the CHW by tracking patient health access increase with CHW assistance. Methods: In February 2021, a database was created through an Excel spreadsheet to record the number of patients helped, types of resources requested, number of resources attained, time spent in direct patient contact, and resource attainment success rates. Data collection will remain in progress. Results: Data collected from February 8, 2021, to April 7, 2021, indicate our CHW assisted close to 40 patients and spent approximately 18 hours in direct patient contact; there were 40 successful attempts in connecting patients with resources. The resources include the COVID vaccine, modulators, and insurance. More detailed analysis, including the reasons for unsuccessful attempts of resource attainment, will be presented. Conclusion: The preliminary data suggests a lot of time and many patient contacts are needed to increase patient access to resources. By identifying the success rates, types of resources sought by patients, as well as time needed to gain access, CF clinics can advocate for expansion of resources, dedicate sufficient time for health care navigation, and identify more beneficial resources to patients in order to improve their health. The real-world effectiveness of U.S. CF newborn screening Evaluating NBS in the current era is necessary, as the Wisconsin trial evaluated outcomes prior to recent advances in CF care regarding nutrition, infection control, Pseudomonas aeruginosa eradication protocols, and chronic therapies. Our objective was to estimate the effect of CF NBS on longitudinal health outcomes a decade after universal implementation in the United States. We hypothesized that, compared to infants diagnosed prior to the introduction of NBS in their state of birth, infants diagnosed after NBS was implemented would achieve better outcomes in growth, pulmonary function, and age at P. aeruginosa infection. Methods: We conducted a stepped-wedge cohort study utilizing 2018 U.S. CF Foundation Patient Registry to estimate the effect of NBS, accounting for the staggered implementation of NBS from 2000 through 2009 across 44 states. Children with a diagnosis of CF, born 2000 or later in these states, were included and categorized by NBS status (born prior to or following initiation of NBS in state of birth). Separate linear mixed effects models with an interaction between NBS status and age were used to estimate the effect of NBS on FEV1% predicted, weight and height percentiles. Cox proportional hazards models were used to estimate the effect of NBS on age at initial and chronic P. aeruginosa. All models estimated outcomes through age 9 years; were adjusted for birth cohort, sex, CFTR genotype and insurance status; and accounted for state-level random effects. Results: The cohort included 4,624 children born before and 5,075 children born after NBS implementation in their state of birth. Comparing the preto post-NBS cohorts, mean age at diagnosis was 17.2 (95% CI 16.3-18.1) versus 2.1 (95% CI 1.8-2.4) months. The post-NBS cohort had a higher percentage that attained height and weight ≥50th percentile compared to pre-NBS at age 3 years (height 51.8% vs 41.2%, weight 63.8% vs 52.6%) and 6 years (height 45.6% vs 36.4%, weight 58.0% vs 48.2%). The hazard of initial P. aeruginosa was 18% lower (HR: 0.82, 95% CI, 0.72-0.94) and chronic P. aeruginosa 34% lower (HR 0.66, 95% CI, 0.48-0.89) in the post-NBS cohort compared to the pre-NBS cohort. At 9 years, estimated mean FEV1% predicted in pre-and post-NBS cohorts was 98.6 (95% CI, 96.2-100.9) versus 100.9 (95% CI, 99.4-102.3), with evidence that the effect of NBS varied by age. Complete modeling results for all outcomes will be presented. Conclusion: We demonstrate that CF NBS in the United States is associated with improved outcomes through age 9 in a "real-world" setting using a novel stepped-wedge cohort study design to account for improving CF outcomes over time. Children diagnosed following the introduction of NBS in their state were more likely to achieve nutritional goals and had lower hazard of initial and chronic P. aeruginosa infection than children born prior to NBS. Estimated mean lung function by age 9 was 2% higher in the post-NBS group, though this difference was not statistically significant. Continued follow-up will evaluate whether childhood outcomes associated with NBS translate to improved long-term outcomes.

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