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United States Preventive Services Task Force

From Wikipedia, the free encyclopedia

The United States Preventive Services Task Force (USPSTF) is "an independent panel of experts in primary care and prevention that systematically reviews the evidence of effectiveness and develops recommendations for clinical preventive services".[1] The task force, a volunteer panel of primary care clinicians (including those from internal medicine, pediatrics, family medicine, obstetrics and gynecology, nursing, and psychology) with methodology experience including epidemiology, biostatistics, health services research, decision sciences, and health economics, is funded, staffed, and appointed by the U.S. Department of Health and Human Services' Agency for Healthcare Research and Quality.[2][3]

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Transcription

Intent

The USPSTF evaluates scientific evidence to determine whether medical screenings, counseling, and preventive medications work for adults and children who have no symptoms.

Methods

The methods of evidence synthesis used by the Task Force have been described in detail.[4] In 2007, their methods were revised.[5][6]

No weight given to cost-effectiveness

The USPSTF explicitly does not consider cost as a factor in its recommendations, and it does not perform cost-effectiveness analyses.[7] American health insurance groups are required to cover, at no charge to the patient, any service that the USPSTF recommends, regardless of how much it costs or how small the benefit is.[8]

Grade definitions

The task force assigns the letter grades A, B, C, D, or I to each of its recommendations, and includes "suggestions for practice" for each grade. The Task Force also defined levels of certainty regarding net benefit.[9]

Grade Result Meaning
Grade A Recommended There is high certainty that the net benefit is substantial.
Grade B Recommended There is high certainty that the net benefit is moderate or there is moderate certainty that the net benefit is moderate to substantial.
Grade C No recommendation Clinicians may provide the service to selected patients depending on individual circumstances. However, for most individuals without signs or symptoms there is likely to be only a small benefit.
Grade D Recommended against The Task Force recommends against this service. There is moderate or high certainty that the service has no net benefit or that the harms outweigh the benefits.
I statement Insufficient evidence The current evidence is insufficient to assess the balance of benefits and harms.

Levels of certainty vary from high to low according to the evidence.

  • High: Consistent results from well-designed studies in representative populations that assess the effect of the service on health outcomes.
  • Moderate: The evidence is sufficient to determine the effects of the service, but confidence is limited. The conclusion might change as more information becomes available.
  • Low: The evidence is insufficient to assess effects on health outcome.

Recommended prevention

The USPSTF has evaluated many interventions for prevention and found several have an expected net benefit in the general population.[10]

  • Aspirin in men 45 to 79 and women 55 to 79 for cardiovascular disease
  • Colon cancer screening by colonoscopy, occult blood testing, or sigmoidoscopy in adults 45 to 75.[11]
  • Low-dose CT scans for adults 55 to 80 at increased risk of lung cancer
  • Osteoporosis screening via bone dual-energy X-ray absorptiometry (DEXA) in women over 65

Breast cancer screening

In 2009, the USPSTF updated its advice for screening mammograms.[12] Screening mammograms, or routine mammograms, are X-rays given to apparently healthy women with no symptoms or evidence of breast cancer in the hope of detecting the disease in an early, easily treatable stage. The advice about using mammography in the presence of symptoms (such as a lump in the breast that can be felt) is unchanged.

The previous advice was for all women over the age of 40 to receive a mammogram every one to two years.[13] The new advice is more detailed. For women between the ages of 50 and 74, they have recommended routine mammograms once every two years in the absence of symptoms. Most American women who are diagnosed with breast cancer are diagnosed after age 60.[14][15]

The USPSTF declared that there is insufficient evidence to make any statement about the use of mammograms in women over the age of 75, as very little research has been performed in this age group.

The Task Force made no recommendation about routine mammography to screen asymptomatic women aged 40 to 49 years for breast cancer. Patients in this age group should be educated about the risks and benefits of screening, and the decision whether to screen or not should be based on the individual situation and preferences.[16] The old advice was based on "weak" evidence for this age group.[13] The new advice is based on improved scientific evidence about the benefits and harms associated with mammography and is consistent with recommendations by the World Health Organization and other major medical bodies. Their recommendation against routine, suspicion-less mammograms for younger women does not change the advice for screening women at above-average risk for developing breast cancer or for testing women who have a suspicious lump or any other symptoms that might be related to breast cancer.

The change in the recommendation for younger women has been criticized by some physicians and cancer advocacy groups, such as Otis Brawley, the chief medical officer for the American Cancer Society,[17] and praised by physicians and medical organizations that support individualized and evidence-based medicine, such as Donna Sweet, the former chair of the American College of Physicians, who currently serves on its Clinical Efficacy Assessment Subcommittee.[18]

The USPSTF recommendation, which focuses solely on clinical effectiveness without regard to cost,[19] formally reduces the grade given for evidence quality from "B" to "C" (limited evidence prevents a one-size-fits-all recommendation) for routine mammograms in women under the age of 50.[20] With a grade C recommendation, physicians are required to consider additional factors, such as the individual woman's personal risk of breast cancer. Pending health care legislation would require insurance companies to cover any and all preventive services that receive an "A" or "B" grade, but permit them to use discretion on preventive services that receive a worse grade.[20]

The Vitter amendment to the Mikulski amendment to pending legislation in the U.S. Senate instructs insurers to disregard the task force's recommendation against frequent routine mammograms in asymptomatic younger women, and requires them to provide free annual mammograms, even for low-risk women, based on the outdated 2002 report.[20] This proposal is not yet law and may change. [needs update] The efforts by politicians to reject the committee's scientific findings have been condemned as an example of unwarranted political interference in scientific research.[19]

Prostate cancer screening

In the current recommendation published in 2018, the Task Force recommended that prostate-specific antigen (PSA)-based screening for prostate cancer screenings be an individual decision for men between the ages of 55 to 69.[21] In 2018 the Task Force gave PCa screening a C recommendation.[21]

A final statement published in 2018 recommends basing the decision to screen on shared decision making in those 55 to 69 years old.[22] It continues to recommend against screening in those 70 and older.[22]

History

The initial USPSTF was created in 1984 as a 5 year appointment to "develop recommendations for primary care clinicians on the appropriate content of periodic health examinations" and was modelled on the Canadian Task Force on Preventive Health Care, established in 1976.[23] This initial 5 year project concluded in 1989 with the release of their report, the Guide to Clinical Preventive Services. In July 1990, the Department of Health and Human Services reconstituted the Task Force to continue and update these scientific assessments of preventive services.[24]

References

  1. ^ "Clinical Guidelines and Recommendations". Agency for Healthcare Research Quality.
  2. ^ "U.S. Preventive Services Task Force: About USPSTF". Agency for Healthcare Research Quality. November 2014.
  3. ^ Selyukh, Alina (December 18, 2011). "Factbox: How the U.S. Preventive Services Task Force works". Reuters – via Yahoo News.
  4. ^ "Methods and Processes". US Preventive Services Task Force. Retrieved 2015-10-22.
  5. ^ Guirguis-Blake J, Calonge N, Miller T, Siu A, Teutsch S, Whitlock E (2007). "Current processes of the U.S. Preventive Services Task Force: refining evidence-based recommendation development". Ann. Intern. Med. 147 (2): 117–22. CiteSeerX 10.1.1.670.8563. doi:10.7326/0003-4819-147-2-200707170-00170. PMID 17576998. S2CID 19346342.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  6. ^ Barton MB, Miller T, Wolff T, et al. (2007). "How to read the new recommendation statement: methods update from the U.S. Preventive Services Task Force". Ann. Intern. Med. 147 (2): 123–7. doi:10.7326/0003-4819-147-2-200707170-00171. PMID 17576997.
  7. ^ Pauly, Mark V.; Sloan, Frank A.; Sullivan, Sean D. (2014-11-01). "An Economic Framework For Preventive Care Advice". Health Affairs. 33 (11): 2034–2040. doi:10.1377/hlthaff.2013.0873. ISSN 0278-2715. PMID 25368000.
  8. ^ Carroll, Aaron E. (2014-12-15). "Forbidden Topic in Health Policy Debate: Cost Effectiveness". The New York Times. ISSN 0362-4331. Retrieved 2015-10-22.
  9. ^ "Grade Definitions". US Preventive Services Task Force.
  10. ^ "USPSTF A and B Recommendations by Date". US Preventive Services Task Force. Retrieved 2015-10-21.
  11. ^ Davidson, Karina W.; Barry, Michael J.; Mangione, Carol M.; Cabana, Michael; Caughey, Aaron B.; Davis, Esa M.; Donahue, Katrina E.; Doubeni, Chyke A.; Krist, Alex H.; Kubik, Martha; Li, Li; Ogedegbe, Gbenga; Owens, Douglas K.; Pbert, Lori; Silverstein, Michael; Stevermer, James; Tseng, Chien-Wen; Wong, John B.; Wong, J. B. (2021). "Screening for Colorectal Cancer". JAMA. 325 (19): 1965–1977. doi:10.1001/jama.2021.6238. PMID 34003218. S2CID 234769050.
  12. ^ US Preventive Services Task Force (November 2009). "Screening for breast cancer: U.S. Preventive Services Task Force recommendation statement". Ann. Intern. Med. 151 (10): 716–26, W–236. doi:10.7326/0003-4819-151-10-200911170-00008. PMID 19920272.
  13. ^ a b "Screening for Breast Cancer: Recommendations and Rationale". Agency for Healthcare Research Quality. 2002.
  14. ^ "Stat Fact Sheets: Cancer of the breast". SEER.
  15. ^ Horner, MJ; Ries, LAG; Krapcho, M; et al. (2009). SEER Cancer Statistics Review, 1975-2006. SEER (Report). Bethesda, MD: National Cancer Institute.
  16. ^ "Final Update Summary: Breast Cancer: Screening". US Preventive Services Task Force.
  17. ^ Dellorto, Danielle. "Task force opposes routine mammograms for women age 40-49". CNN.
  18. ^ "Role of evidence based medicine in clinical decision-making addressed by ACP in testimony". American College of Physicians. 2 December 2009.
  19. ^ a b Stubbs, Joseph W. (24 November 2009). "Statement On the Politicization of Evidence-based Clinical Research". American College of Physicians.
  20. ^ a b c Walker, Emily (3 December 2009). "Senate Affirms Screening Mammography for 40-Year-Olds". ABC News. Retrieved 3 December 2009.
  21. ^ a b "Screening for Prostate Cancer Recommendation Statement". US Preventive Services Task Force. October 2022.
  22. ^ a b "Prostate Cancer: Screening: Screening". US Preventive Services Task. Retrieved 10 October 2022.
  23. ^ https://canadiantaskforce.ca/wp-content/uploads/2020/06/HistoryInfographicEN-20200612Final.pdf[bare URL PDF]
  24. ^ "U.S. Preventive Services Task Force". Office of Disease Prevention and Health Promotion. Archived from the original on June 15, 2004.{{cite web}}: CS1 maint: unfit URL (link)

External links

This page was last edited on 16 October 2023, at 12:43
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