Primary care physicians account for a minority of spending on low-value care

January 18, 2021

Below please find summaries of new articles that will be published in the next issue of Annals of Internal Medicine. The summaries are not intended to substitute for the full articles as a source of information. This information is under strict embargo and by taking it into possession, media representatives are committing to the terms of the embargo not only on their own behalf, but also on behalf of the organization they represent.


1. Primary care physicians account for a minority of spending on low-value care
Abstract: https://www.acpjournals.org/doi/10.7326/M20-6257
URL goes live when the embargo lifts

Primary care physicians (PCPs) are seen as gatekeepers to reduce spending on low-value health care services, which have been estimated to cost the health care system up to $100 billion annually. A brief research report published in Annals of Internal Medicine analyzed how much low-value spending is directly related to PCPs' services and referral decisions.

Researchers from the American Board of Family Medicine, Harvard, Mount Sinai, and Stanford analyzed Medicare Part B claims between 2007 and 2014 to estimate the share of Medicare beneficiaries' low-value spending that was directly related to their PCP's services or referrals. Low-value services were identified using a consensus set of 31 services previously judged to be low-value by national physician societies, Medicare criteria, and clinical guidelines. Such services include imaging for non-specific back pain, PSA screening for men over the age of 75, and arthroscopic surgery for knee osteoarthritis.

The data showed that PCP services and referrals account for a small minority of spending on low-value care. For the majority of PCPs, services they performed or ordered accounted for less than 9% of their patients' low-value spending, which amounted to less than 0.3% of their total Medicare Part B spending. Similarly, for most PCPs, their referrals accounted for less than 16% of their patients' low-value spending, which amounted to less than 0.5% of their total Medicare Part B spending.

Media contacts: For an embargoed PDF, please contact Lauren Evans at laevans@acponline.org. The corresponding author, Aaron Baum, PhD, can be reached through Jane Ireland at jireland@theabfm.org.


2. Hypothetical case suggests genetic testing has significant limitations for predicting disease in a healthy patient
Abstract: https://www.acpjournals.org/doi/10.7326/M20-5713
URL goes live when the embargo lifts

Despite its utility as a diagnostic tool in patients with specific risk factors for genetic disease, genetic testing still has significant limitations for predicting disease in a healthy patient. Authors from Colombia University used a hypothetical case to illustrate differences between diagnostic testing and predictive genetic screening for prevention purposes, focusing on available clinical tests. Their case report is published in Annals of Internal Medicine.

Healthy patients increasingly inquire about genetic testing as a tool for predicting diseases, such as cancer, heart disease, or dementia. In practice, most genetic testing is done in affected persons as a diagnostic tool or in healthy persons at high risk for genetic disease based on family history. Much less is known about the predictive value of genetic tests to screen healthy persons with no clear risk for genetic disease.

The researchers summarized current knowledge using on the hypothetical case of a healthy 35-year-old woman requesting genetic testing to predict her future risk for disease. Her maternal aunt and a male cousin had coronary heart disease by age 50 and a paternal aunt died of breast cancer at age 56. The scope of the genetic test can be determined on the basis of the risk profile and family history as well as the patient's concerns about specific diseases. For this patient, several genetic tests would be available, yet their value for predicting future disease could be very limited.

According to the researchers, in the diagnostic framework, detection of a pathogenic variant consistent with a person's clinical condition can establish a diagnosis of genetic disease. In the predictive framework, interpretation of genetic results is more complicated given the large number of putative pathogenic variants and the paucity of information about their clinical consequences. Even if the patient's genetic test revealed a genetic risk to a specific illness or illnesses, in most cases, the likelihood that she would develop the disease is not known Based on what is currently known about genetic testing as a predictive tool, the researchers conclude that a Bayesian framework is useful for assessing future risk of disease and predictive testing in clinical practice should be limited to genes where there is strong evidence linking mutations to high risk of disease.

Media contacts: For an embargoed PDF, please contact Lauren Evans at laevans@acponline.org. The corresponding author, Ali G. Gharavi, MD, can be contacted directly at ag2239@columbia.edu.

Also in this issue:

Corticosteroids and COVID-19: Calming the Storm?
Pearson
Hospitalist Commentary
https://www.acpjournals.org/doi/10.7326/M20-7671

Cancer and Deep Venous Thrombosis: A Serious Combination
Geno J. Merli, MD, Howard H. Weitz, MD
Consult Guys
https://www.acpjournals.org/doi/10.7326/W20-0017

Low Dose Steroids and Risk of Infection
Robert M. Centor, MD
Annals On Call Podcast
https://www.acpjournals.org/doi/10.7326/A20-0005
-end-


American College of Physicians

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