AFP Clinical Answers
Asthma, PAD and Cardiovascular Disease, Persons Who Inject Drugs, Crohn's Disease, Insulin Analogs
Am Fam Physician. 2019 Aug 1;100(3):140.
Is adding a long-acting beta-agonist to an inhaled corticosteroid safe for patients with persistent asthma?
Adding a long-acting beta-agonist to an inhaled corticosteroid is safe but does not reduce the likelihood of a serious exacerbation requiring hospitalization. There is a small reduction in nonsevere asthma exacerbations, with one fewer exacerbation for every 53 patients treated for six months.
Should asymptomatic adults be screened for PAD and cardiovascular disease with the ankle-brachial index?
The U.S. Preventive Services Task Force (USPSTF) found inadequate evidence that screening for and treatment of peripheral artery disease (PAD) in asymptomatic patients leads to clinically important benefits in preventing the progression of PAD or preventing cardiovascular events. The USPSTF also found inadequate evidence on the accuracy of using the ankle-brachial index as a screening test in asymptomatic patients.
What infectious disease screenings and vaccinations are recommended for persons who inject drugs?
All persons who inject drugs should be screened for hepatitis B and C, HIV, and latent tuberculosis. All persons who inject drugs should receive hepatitis A and B vaccinations if there is no evidence of immunity from vaccine titers and should be up to date on tetanus vaccinations. Although persons who inject drugs have an estimated 10-fold greater risk of community-acquired pneumonia, the Centers for Disease Control and Prevention does not consider active injection drug use alone as an indication for early pneumonia vaccine. However, a one-time 23-valent pneumococcal polysaccharide vaccine (Pneumovax-23) is indicated between 19 and 64 years of age in those with certain concurrent conditions, such as heavy alcohol use, cigarette smoking, or lung or liver disease.
In patients with vague gastrointestinal symptoms which test can help rule
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