Simple tools, teamwork manage depression in primary care
By Janet Colwell
Michigan’s Henry Ford Health System ran into some resistance from physicians when it piloted a new model for depression care in three of its primary care clinics. Naturally, doctors worried about adding a new layer of complexity to their already hectic practices, but an even greater fear was what to do when faced with suicidal ideation.
The new model requires that patients with one or more of six chronic conditions, diabetes, coronary artery disease, heart failure, chronic obstructive pulmonary disorder, asthma or chronic kidney failure, undergo screening for depression. But “the whole process breaks down if people are afraid of the suicide question,” said M. Justin Coffey, MD, a neuropsychiatrist at Henry Ford Behavioral Health Services, who spoke at the Institute for Healthcare Improvement (IHI)’s 22nd Annual National Forum on Quality Improvement in Health Care in Orlando, Fla. last December.
Physicians worry about screening for depression because they may not have resources to care for patients with suicidal ideation. Photo by Comstock
Henry Ford helped physicians overcome that fear by embedding behavioral health specialists in the practices and providing direct access to on-call psychiatrists and emergency departments so that patients identified as high risk for suicide were guided to the appropriate level of care. With a clear process in place for managing high-risk patients, the practice teams felt comfortable going forward with universal screening.
And that screening has led to identifying and treating more patients with mild to moderate depression who can be treated by their primary care physician (PCP), Dr. Coffey added. After three years of the pilot, 90% of patients who screened positive for depression were managed by their primary doctor, 67% were prescribed antidepressants and 53% achieved a full response to antidepressant treatment.
“Our goal is to help PCPs with the straightforward diagnoses and get the more complex patients to specialists.”
“Our goal is to help PCPs with the straightforward diagnoses and get the more complex patients to specialists,” said Terri L. Robertson, PhD, program manager at Henry Ford’s Center for Clinical Care Design, which is in charge of implementing integrated depression care across Henry Ford’s 27 primary care clinics.
Simple tools and teamwork
Depression screening guidelines issued in December 2009 by the U.S. Preventive Services Task Force called for screening all adults for depression, but only when the appropriate supports are in place. [See “Guidelines call for depression screening,” ACP Internist, March 2010.]
Embedding behavioral health clinicians is crucial to succeeding with an integrated depression care model, said Drs. Robertson and Coffey. Under Henry Ford’s model, each practice has a half-time behavioral health nurse practitioner who provides intensive initial training and support, and then float among participating clinics. In addition, practices have access to a clinical psychologist and a psychiatrist for “curbside consults” and urgent consultations with patients.
The model also relies heavily on teamwork and simple tools, said Dr. Coffey. For example, medical assistants are trained to administer an initial two-part questionnaire to patients at the beginning of a visit. The PHQ-2 asks patients to respond yes or no to these two questions: Do you have little interest or pleasure in doing things? Are you feeling down, depressed or hopeless?
Patients who respond “yes” to one or both questions are asked to complete an expanded questionnaire based on the Patient Health Questionnaire-9 (PHQ-9) that is embedded in the patient’s electronic health record. The medical assistant brings up the form on the screen, locks access to other parts of the system, and asks the patient to enter his or her answers while waiting for the doctor. Results are calculated and analyzed before the physician arrives in the exam room.
That frees up the physician to focus on discussing results with the patient instead of entering data, said Dr. Robertson. In the past, physicians would fill out the questionnaire on paper during the visit and medical assistants would enter the information into the patient’s file at the end of the day, a burdensome process that put everyone behind schedule.
“The key,” she said, “is embedding the questionnaire into the workflow” and the electronic record system.
Primary care clinics in Minnesota and Wisconsin have taken a similar path to improving depression care with the Depression Improvement Across Minnesota, Offering a New Direction (DIAMOND) model, launched in 2008 by the nonprofit Institute for Clinical Systems Improvement (ICSI), which serves Minnesota and surrounding states. Over the past two-and-a-half years, 83 clinics, mostly in Minnesota, have implemented collaborative depression care management using the PHQ-9 as a screening tool. It was launched in March 2008 with 10 clinics in Minnesota, and clinics were added gradually every six months after that.
Notably, nine health plans agreed to support the DIAMOND initiative, allowing participating clinics to bill under a common payment code for providing a bundled set of care management services. Those include using the PHQ-9 for both screening and monitoring patients’ response to treatment, said Tim Hernandez, MD, of Family Health Services Minnesota, and Nancy Jaeckels, vice president of member relations and strategic initiatives at ICSI, who spoke at the IHI conference. Practices must also have care managers who use a registry to track patients’ progress, make follow-up contacts, and collect and document data.
Other key elements of the program include:
- Stepped care approach. Adjust treatment based on PHQ-9 scores, use evidence-based guidelines, initiate frequent contact with patients and take a team approach to care;
- Care manager. Assign a person to follow up with patients for education, support of self-management goals, coordination of care, and relapse prevention;
- Consulting psychiatrist. This person spends two hours a week reviewing cases with a care manager and builds relationships with the primary care team; and
- Relapse prevention. Take a proactive approach to preventing relapse, including having the care manager work with the patient to identify risk factors, treatment options and warning signs of relapse.
The DIAMOND program has the potential to significantly improve response and remission rates among patients at participating clinics while reducing overall costs, the speakers said.
DIAMOND is based on results from the IMPACT (Improving Mood-Promoting Access to Collaborative Treatment) trial of 1,801 geriatric patients, which found a 50% or greater improvement in depression at 12 months for patients treated with the collaborative model vs. usual care (published in the Dec. 11, 2002 issue of JAMA). The IMPACT researchers, led by Jurgen Unutzer, MD, MPH, at the University of Washington, have published numerous follow-up studies, including one showing that the IMPACT patients had lower total healthcare costs over four years than usual care ($29,422 vs. $32,785). The study was published in the Feb. 15, 2008 American Journal of Managed Care.
The IMPACT researchers are currently collecting data for the DIAMOND project. Based on IMPACT results to date, the researchers estimated the total cost for DIAMOND care at $18,290 per year per patient compared with $30,634 for usual care, a near 50% improvement.
Using specialty services effectively saves time, money
Targeting “high utilizers” is usually a dead-end strategy to lower physician use of specialty services, said Neil J. Baker, MD, a presenter at the Institute for Healthcare Improvement’s 22nd Annual National Forum on Quality Improvement in Health Care in Orlando, Fla. last December. Instead, show physicians the data and let them draw their own conclusions.
Labeling someone a “high utilizer” often puts them on the defensive, said Dr. Baker, an improvement consultant who is working with IHI and the American College of Cardiology on an initiative to optimize use of specialty services. A better strategy is to lay out the facts, which show that, based on Medicare data, specialty care costs vary widely across the country and that higher utilization is not associated with better outcomes. Then, ask physicians to develop reasonable clinical standards that everyone in the group agrees to follow, he said.
“The discussion should be about what you do and why, not where the doctor is on the scale [of specialty use],” said Dr. Baker. Often, physicians think everyone in the group is doing the same thing and are surprised to learn about individual variations because they’ve never sat down to discuss it before.
The strategy worked for Palo Alto Medical Foundation (PAMF), a large multispecialty group with over 900 physicians in the San Francisco Bay Area. The group gets top ratings for quality but is concerned about cost and affordability, said Lawrence Shapiro, MD, managed care medical director at PAMF.
In an effort to cut costs, PAMF launched an initiative in its OB/GYN group to reduce specialty referral costs for patients with postmenopausal bleeding.
In the past, doctors often ordered a biopsy for all women with postmenopausal bleeding, a more expensive option than ultrasound, he explained. But ultrasound can help rule out the possibility of endometrial cancer. “If you stop at ultrasound, you don’t do the biopsy and hysteroscopy,” he said.
After physicians agreed to adhere to a common clinical standard, the group recorded savings of almost $280,000 over nine months, largely due to fewer biopsies and more use of ultrasound for diagnosis.
Peter Tilkemeier, MD, medical director of nuclear cardiology at The Miriam Hospital in Rhode Island and a faculty member at Brown University, explained how an intervention to adopt appropriate use criteria at one cardiology specialty group and a teaching hospital testing facility reduced referrals for nuclear cardiology myocardial perfusion scans.
The appropriate use criteria, developed by the American College of Cardiology, provide an algorithm for assessing patients, including symptoms, ability to exercise, baseline ECG and Framingham risk score. Initially, researchers looked at data on 85 patients and classified them according to the appropriate use criteria; 56% of referrals were deemed appropriate.
After a six-month intervention, which trained nurses to use a publicly available online tool to determine appropriate use criteria, 84% of scans were deemed appropriate, Dr. Tilkemeier said.
The data also showed that primary care physicians were referring patients for scans at a higher rate than cardiologists and that women were more likely to be inappropriately tested than men. Showing physicians those facts helped trigger change, he said, because those with higher numbers of inappropriate referrals wanted to know how they could do better.
“The doctors have to be at the center of the process,” Dr. Shapiro advised. “At first they might argue about the data, but then they start talking to each other.”
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