American College of Physicians: Internal Medicine — Doctors for Adults ®

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Rethinking the value of the annual exam

From the January ACP Internist, copyright 2010 by the American College of Physicians

By Bonnie Darves

One constant in medical care is the persistent notion of the value of the annual physical. There’s no strong evidence base for the periodic health exam (PHE), as it’s now often called, as a discrete encounter, and no consensus on what it should include. But most patients expect it, and many internists are unwilling to let it go.

The chief cited rationale is that the annual offers a regular opportunity to address risk factors and health or life concerns.

Allan Prochazka, FACP: “Many patients wish...

Allan Prochazka, FACP: “For me, tailoring is where it’s at.”



“There’s little evidence that a routine physical exam and a standard 20-30 item chemical panel improve outcomes,” said Allan Goroll, MACP, a professor of medicine at Harvard Medical School and practicing general internist. “However, there is substantial evidence that checking for and treating cardiovascular risk factors, preventable or curable cancers, STDs, depression and substance abuse are all evidence-based, high-value activities.”

Many studies confirm the value of tobacco and obesity counseling and the importance of blood pressure checks in disease prevention. Given the obesity epidemic, few internists would quibble with the U.S. Preventive Services Task Force (USPSTF) recommendation that adults should be screened at least every five years for high cholesterol, and more frequently if cardiac disease or risk factors exist. The PHE offers a chance to tackle these issues with patients.

“The PHE’s value lies in its provision of opportunities for patients and physicians to address needed recommended prevention interventions in a given visit,” said Ebony Boulware, MD, associate professor of medicine and epidemiology at Johns Hopkins School of Medicine and lead author of a February 2007 Annals of Internal Medicine review on the PHE. “Because patients show up for that visit, internists may be more likely to ensure they’ve received all of the needed recommended screenings for that year.”

Studies have confirmed that patients who undergo an annual are more likely to receive cholesterol screening, Pap smears, gynecologic exams and fecal occult blood testing. According to Dr. Boulware’s research, PHEs decrease patients’ worry, which may benefit them and the patient-physician relationship, although more study on this issue is needed.

David Shih, MD, senior director of medical affairs for the American College of Preventive Medicine, cites another PHE value that isn’t supported by evidence.

“The whole laying of hands on people is something a lot of primary care physicians see value in,” he said. “And for some it’s a standard of care issue; it’s what physicians feel they should be doing for all patients, so they do it.”

Evidence-based limits

Despite findings that some complete blood counts (CBCs), chemistry panels, thyroid checks, urinalysis, electrocardiograms and treadmill tests are of little or no value, many physicians still do them. Opponents of the traditional annual cite the AHRQ/Evidence-based Practice Center systematic review and the scant evidence.

Even those who think annuals aren’t necessary acknowledge that asymptomatic patients should undergo preventive screenings and risk factor assessment in some preplanned encounter. Whether that’s an annual or biannual dedicated visit, a series of scheduled shorter visits, or a screening tucked into an acute care visit is best determined by the internist based on practice resources and patient population.

But basing screening only on evidence can be difficult, Dr. Shih noted. He pointed out that the USPSTF, for example, can review only the data available, and it’s not always comprehensive. “The task force is often limited in what it can say, and often intervals for screenings are poorly defined. That’s a frustration for many physicians,” he said.

Mary Barton, ACP Member, USPSTF’s scientific director, acknowledged the evidence gaps but noted that the Task Force has historically focused on clinical preventive services with more targeted outcomes. “It is extremely difficult to construct a framework for an evidence review that can successfully incorporate multiple outcomes. For example, in examining the effects of an annual physical one might want to consider effects on outcomes related to heart disease, cancer, depression, alcohol misuse, sexually transmitted diseases, etc.”

The USPSTF has made significant strides in recent years to make it easier for internists to sort through its recommendations. The Electronic Preventive Services Selector (EPSS) tool lets physicians quickly access screening recommendations for particular patients, and provides extensive detail on both clinical considerations and rationale.

The tool also provides ample information on services and screenings the USPSTF recommends against or for which there is insufficient evidence to make a recommendation for or against. This information, along with links to other materials for clinicians and patients, can be helpful in framing conversations to support shared decision making, explained Jan Genevro, PhD, a scientist with the Agency for Healthcare Research and Quality who helped develop the EPSS.

“The EPSS makes it possible for clinicians to show patients directly which services are and are not recommended. Many clinicians have found it helpful to share the EPSS results for a specific patient with that patient as the basis for developing a personalized prevention plan.”

Focused exam works best

Internists who choose to provide a structured annual visit should tailor the encounter to focus on the elements that matter, Dr. Goroll advised, and to focus cancer screenings on the ones “where interventions in the asymptomatic period make a difference in outcomes. That’s melanoma, colon cancer and cervical cancer, lymphoma, and probably breast cancer and prostate cancer.” (The fallout of the release of USPSTF breast cancer guidelines will be addressed in ACP Internist’s February issue.)

“It could be done in less than 30 minutes of physician time, if you’re being truly evidence-based and have a team-based approached to the visit. Much of the work needn’t be done by the internist,” Dr. Goroll said.

A mid-level team member could do the initial routine screening and identify issues that require attention by the physician, he said. “This approach preserves physician time for the necessary high-level inputs such as counseling and design of a personalized screening or management plan.”

Neil Mehta, FACP, created a chart to help medical ...

Neil Mehta, FACP, created a chart to help medical students develop a personal protocol to make periodic health exams easier. It is available online.



In practices that use electronic medical records (EMRs) with trigger functions, focused visits and recommended screenings are easier to schedule, Allan Prochazka, FACP, professor of medicine at the University of Colorado Denver, said. He urged internists, whether they use EMRs or not, to consider personalized plans.

“For me, tailoring is where it’s at,” Dr. Prochazka said. “To the extent that you can build it into their ongoing care it makes more sense than a separate visit. If I go to the doctor I don’t want generic care, I want care for me that’s also evidence-based.”

But that’s not what happens in many primary care practices, Dr. Prochazka and fellow researchers found in a 2005 survey published in Archives of Internal Medicine. Nearly half of the physician respondents, despite evidence to the contrary, still believed in annual mammography, lipid panels, blood glucose levels, CBCs and urinalysis.

“In general, there’s a bit of a disconnect,” he said. “Many patients wish for tests and think that’s what a physical actually means. And many physicians think that the traditional annual is necessary and of proven value.”

Dr. Prochazka said that if internists were to move toward more tailored PHE visits and spend more time on lifestyle issues than on tests, patients would eventually accept that. “The things that we do become pretty salient to patients,” he said.

Ned Calonge, MD, MPH, chair of the USPSTF, also thinks that internists should spend more time counseling, since factors like physical activity, nutrition and tobacco use are important determinants of disease. Likewise, he added, many primary care physicians steer clear of discussing obesity, alcohol misuse and depression.

“We know that alcohol misuse problems can increase in the elderly, for example, but often we just don’t ask,” he said. “The same thing occurs with obesity. It’s remarkable, in surveys, how many patients say ‘My doctor never mentioned that my weight was a problem.’”

For internists seeking direction on where to focus their clinical screening efforts, Dr. Calonge offered a short list. “The heart disease cluster hypertension, lipid disorders, obesity and tobacco counseling are the things I think internists really should focus on,” he said.

Relationship-building important

All sources agreed that the evidence base shouldn’t be the only thing dictating whether and how an annual is performed. It’s hard to measure the value of a PHE in improving the doctor-patient relationship and getting patients to talk about personal issues that could affect their health, for example. But most internists believe that the PHE accomplishes both.

“Many internists like the periodic exam because it’s a chance to put a little more time on the schedule, and sit down and actually get to know your patients,” said Michael Barr, FACP, ACP’s vice president for practice advocacy and improvement. “Even if there are no acute concerns, or the chronic ones are well managed, it’s a chance to cover material on preventive care that you might not have time to do in an acute care visit.”

Dr. Goroll concurred. “Not to be underestimated is the value of maintaining the doctor-patient relationship, as well as counseling for life stresses and personal issues that come up,” he said. “A lot of behavioral and mental health problems emerge during the annual visit.”

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Additional resources

For internists:

ACP resources. The College produces evidence-based Clinical Practice Guidelines that address screening for major diseases, as well as diagnosis, treatment and medical technology. In PIER, the College’s clinical decision-support resource, several of the more than 400 modules address disease screening and prevention issues that can arise during an annual physical/periodic health examination.

U.S. Preventive Services Task Force Electronic Preventive Services Selector. This online tool is accessible via the Web and PDAs or other mobile devices. Entering a patient’s age, gender, and smoking and sexual activity status produces a list of recommended services and, in cases where supporting evidence exists, appropriate screening intervals. Especially helpful are the list of not recommended services and the accompanying rationales.

American College of Preventive Medicine Practice and Public Policy Statements. This organization focuses on “gray areas” or those that the USPSTF does not fully address, to avoid duplication. Examples include screening of asymptomatic women for ovarian cancer and intensive obesity counseling.

Everyday Choices. The American Cancer Society, American Diabetes Association and American Heart Association joined in this initiative to better inform clinicians and patients on screenings for common diseases. Physician tools include a short list of recommended health screenings and appropriate intervals and a “health card” that can be used to facilitate conversations with patients.

For patients:

My Health Finder. This resource includes less detailed versions of some of the USPSTF recommendations. For example, users who enter their age and gender receive a list of doctor-recommended services and screening intervals, and a second list of additional services that may be recommended based on family history or other risk factors.

ACP Patient Summaries. This College resource provides summaries of ACP guidelines for a wide range of diseases and conditions, and addresses recommended screening and prevention.

Everyday Choices. Patient-focused offerings include risk assessment tools and quizzes, screening recommendations by age and ethnicity, and interactive resources for personal health-improvement planning.

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Employers look to annuals, primary care to improve workforce health

Scientific experts and practicing internists may hold widely divergent views of annual physicals and their value, but employers are increasingly looking to such encounters to help reduce health risks and runaway morbidity in their workforce.

To date, most employers have used a carrot approach to encourage workers to seek regular care or participate in wellness programs. But some, frustrated by skyrocketing health costs, are moving toward the stick. A handful of companies now require health-risk assessments, although they don’t penalize workers who receive “poor grades” and do offer health-improvement resources. One company, AmeriGas Propane, took the stick further last summer, after its wellness programs failed to yield results: It mandated that all employees undergo an annual medical checkup or risk losing their insurance benefits.

Last October, IBM underscored its views on the value of prevention-focused primary care encounters by enhancing its existing coverage for annual “wellness” visits. Starting this month, the company provides 100% coverage for all primary care visits, whether they’re for acute issues or preventive services, to in-network internists and other clinicians.

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