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A randomized controlled effectiveness trial for PSA screening decision support interventions in two primary care settings.

Description

Lewis CL, Adams J, Tai-Seale M, Huang Q, Knowles SB, Nielsen ME, Pignone MP, Walter LC, Frosch DL., J Gen Intern Med. 2015 Jun;30(6):810-6. doi: 10.1007/s11606-015-3214-9. Epub 2015 Feb 10., 2015 Feb 10

Abstract

BACKGROUND: Decision support interventions (DESIs) provide a mechanism to translate comparative effectiveness research results into clinical care so that patients are able to make informed decisions. Patient decision support interventions for prostate-specific antigen (PSA) have been shown to promote informed decision making and reduce PSA testing in efficacy trials, but their impact in real world settings is not clear.

OBJECTIVE: We performed an effectiveness trial of PSA decision support interventions in primary care.

DESIGN: A randomized controlled trial of three distribution strategies was compared to a control.
PARTICIPANTS: Participants included 2,550 men eligible for PSA testing (76.6 % of the eligible population) and 2001 survey respondents (60.1 % survey response rate).

INTERVENTIONS: The intervention groups were: 1) mailed the DESI in DVD format, 2) offered a shared medical appointment (SMA) to view the DESI with other men and discuss, and 3) both options.

MAIN MEASURES: We measured PSA testing identified via electronic medical record at 12 months and DESI use by self-report 4 months after the intervention mailing.

KEY RESULTS: We found no differences in PSA testing across the three distribution strategies over a year-long follow-up period: 21 %, 24 %, 22 % in the DESI, SMA, and combined group respectively, compared to 21 % in the control group (p = 0.51). Self-reported DESI use was low across all strategies at 4 months: 16 % in the mailed DESI group, 6 % in the SMA group, and 15 % in the combined group (p = < 0.0001).

CONCLUSIONS: Mailing PSA decision support interventions or inviting men to shared medical appointments unrelated to a primary care office visit do not appear to promote informed decision making, or change PSA testing behavior.

Pubmed Abstract

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Associated Topics

  • Cancer
  • Health Services
  • Men's Health
  • Prevention and Health Maintenance

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