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Sökning: WFRF:(Preston Mark A) > (2020-2024)

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1.
  • Carlsson, Sigrid, 1982, et al. (författare)
  • A Provider-Facing Decision Support Tool for Prostate Cancer Screening in Primary Care: A Pilot Study
  • 2024
  • Ingår i: APPLIED CLINICAL INFORMATICS. - 1869-0327. ; 15:02, s. 274-281
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives Our objective was to pilot test an electronic health record-embedded decision support tool to facilitate prostate-specific antigen (PSA) screening discussions in the primary care setting. Methods We pilot-tested a novel decision support tool that was used by 10 primary care physicians (PCPs) for 6 months, followed by a survey. The tool comprised (1) a risk-stratified algorithm, (2) a tool for facilitating shared decision-making (Simple Schema), (3) three best practice advisories (BPAs: <45, 45-75, and >75 years), and (4) a health maintenance module for scheduling automated reminders about PSA rescreening. Results All PCPs found the tool feasible, acceptable, and clear to use. Eight out of ten PCPs reported that the tool made PSA screening conversations somewhat or much easier. Before using the tool, 70% of PCPs felt confident in their ability to discuss PSA screening with their patient, and this improved to 100% after the tool was used by PCPs for 6 months. PCPs found the BPAs for eligible (45-75 years) and older men (>75 years) more useful than the BPA for younger men (<45 years). Among the 10 PCPs, 60% found the Simple Schema to be very useful, and 50% found the health maintenance module to be extremely or very useful. Most PCPs reported the components of the tool to be at least somewhat useful, with 10% finding them to be very burdensome. Conclusion We demonstrated the feasibility and acceptability of the tool, which is notable given the marked low acceptance of existing tools. All PCPs reported that they would consider continuing to use the tool in their clinic and were likely or very likely to recommend the tool to a colleague.
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2.
  • Yim, Kendrick, et al. (författare)
  • Free PSA and Clinically Significant and Fatal Prostate Cancer in the PLCO Screening Trial
  • 2023
  • Ingår i: The Journal of urology. - 1527-3792. ; 210:4, s. 630-638
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: We studied whether adding percent free prostate-specific antigen (%fPSA) to total PSA improves prediction of clinically significant prostate cancer (csPCa) and fatal PCa.METHODS: 6727 men within the intervention arm of the Prostate, Lung, Colorectal and Ovarian Trial had baseline %fPSA. Of this cohort, 475 had csPCa and 98 had fatal PCa. Cumulative incidence and Cox analyses were conducted to evaluate the association between %fPSA/PSA and csPCa/fatal PCa. Harrell's concordance-index (C-index) evaluated predictive ability. Kaplan-Meier analysis assessed survival.RESULTS: Median follow-up was 19.7 years, median baseline PSA was 1.19 ng/mL, median %fPSA was 18%. Cumulative incidence of fatal PCa for men with baseline PSA≥2 ng/mL and %fPSA ≤10 was 3.2% and 6.1% at 15 and 25 years, compared to 0.03% and 1.1% for men with %fPSA >25%. In younger men (55-64 yr) with baseline PSA 2-10 ng/mL, C-index improved from 0.56 to 0.60 for csPCa and from 0.53 to 0.64 for fatal PCa with addition of %fPSA. In older men (65-74 yr), C-index improved for csPCa from 0.60 to 0.66, while no improvement in fatal PCa. Adjusting for age, digital rectal exam, family history of PCa, and total PSA, %fPSA was associated with csPCa (HR 1.05, P < .001) per 1% decrease. %fPSA improved prediction of csPCa and fatal PCA for all race groups. CONCLUSION: In a large US screening trial, the addition of %fPSA to total PSA in men with baseline PSA ≥2 ng/mL improved prediction of csPCa and fatal PCa. Free PSA should be used to risk-stratify screening and decrease unnecessary prostate biopsies.
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