Write an exercise Rx to improve patients' cardiorespiratory fitness
Assessing physical activity is an opportunity to encourage lifestyle-based tactics for reducing cardiovascular risk. These handy tables serve as practical guides.
PRACTICE RECOMMENDATIONS
› Encourage children and adolescents (6 to 17 years of age) to engage in 60 min of moderate-to-vigorous physical activity, including aerobic, muscle-strengthening, and bone-strengthening endeavors on most, if not all, days of the week. A
› Encourage adults to perform approximately 150 to 300 min of moderate or 75 to 150 min of vigorous physical activity (or an equivalent combination) per week, along with moderate-intensity muscle-strengthening activities on ≥ 2 days per week. A
› Counsel patients that even a small (eg, 1-2 metabolic equivalents) increase in cardiorespiratory fitness is associated with a 10% to 30% lower rate of adverse events. A
Strength of recommendation (SOR)
A Good-quality patient-oriented evidence
B Inconsistent or limited-quality patient-oriented evidence
C Consensus, usual practice, opinion, disease-oriented evidence, case series
CASE
After providing Ms. Q with her exercise prescription, you refer her to a local gym that participates in the Silver Sneakers fitness and wellness program (for adults ≥ 65 years of age in eligible Medicare plans) to determine whether she qualifies to begin resistance and flexibility training, for which you will write a second exercise prescription (TABLE 317-19).
Pre-participation screening
Updated 2015 ACSM exercise pre-participation health screening recommendations attempt to decrease possible barriers to people who are becoming more physically active, by minimizing unnecessary referral to health care providers before they change their level of physical activity. ACSM recommendations on exercise clearance include this guidance25:
- For a patient who is asymptomatic and already physically active—regardless of whether they have known cardiovascular, metabolic, or renal disease—medical clearance is unnecessary for moderate-intensity exercise.
- Any patient who has been physically active and asymptomatic but who becomes symptomatic during exercise should immediately discontinue such activity and undergo medical evaluation.
- For a patient who is inactive, asymptomatic, and who does not have known cardiovascular, metabolic, or renal disease, medical clearance for light- or moderate-intensity exercise is unnecessary.
- For inactive, asymptomatic patients who have known cardiovascular, metabolic, or renal disease, medical clearance is recommended.
Digital health
Smartwatches and health apps (eg, CardioCoach, Fitbit, Garmin Connect, Nike Training Club, Strava, and Training Peaks) can provide workouts and offer patients the ability to collect information and even connect with other users through social media platforms. This information can be synced to Apple Health platforms for iPhones (www.apple.com/ios/health/) or through Google Fit (www.google.com/fit/) on Android devices. Primary care physicians who become familiar with health apps might find them useful for select patients who want to use technology to improve their physical activity level.
However, data on the value of using digital apps for increasing physical activity, in relation to their cost, are limited. Additional research is needed to assess their validity.
Billing and coding
For most patients, the physical activity assessment, prescription, and referral are performed in the context of treating another condition (eg, hypertension, type 2 diabetes, obesity, depression) or during a preventive health examination, and are typically covered without additional charge to the patient. An evaluation and management visit for an established patient could be used to bill if > 50% of the office visit was spent face-to-face with a physician, with patient counseling and coordination of care.
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