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Annals of Family Medicine 2:301-304 (2004)
© 2004 Annals of Family Medicine, Inc.
doi: 10.1370/afm.102
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Going to Scale: Re-Engineering Systems for Primary Care Treatment of Depression

Allen J. Dietrich, MD1, Thomas E. Oxman, MD1, John W. Williams, Jr, MD, MHSC2, Kurt Kroenke, MD3, H. Charles Schulberg, PhD4, Martha Bruce, PhD4 and Sheila L. Barry1

1 Department of Community and Family Medicine, Dartmouth Medical School, Hanover, NH
2 Center for Health Services Research in Primary Care and the Division of General Internal Medicine, Durham Veterans Affairs Medical Center and Duke University, Durham, NC
3 Regenstrief Institute for Health Care and Indiana University School of Medicine, Indianapolis, Ind
4 Weill Medical College of Cornell University, White Plains, NY

CORRESPONDING AUTHOR: Allen J. Dietrich, MD, Department of Community and Family Medicine, HB 7250, Dartmouth Medical School, Hanover, NH 03755. allen.dietrich{at}dartmouth.edu


   ABSTRACT
TOP
 ABSTRACT
INTRODUCTION
 METHODS
 RESULTS
 DISCUSSION
 REFERENCES
 
BACKGROUND Recent trials have shown improved depression outcomes with chronic care models. We report the methods of a project that assesses the sustainability and transportability of a chronic care model for depression and change strategy.

METHODS In a randomized controlled trial (RCT), a clinical model for depression was implemented through a strategy supporting practice change. The clinical model is evidence based. The change strategy relies on established quality improvement programs and is informed by diffusion of innovations theory. Evaluation will address patient outcomes, as well as process of care and process of change.

RESULTS Five medical groups and health plans are participating in the trial. The RCT involves 180 clinicians in 60 practices. All practices assigned to the clinical model have implemented it. Participating organizations have the potential to disseminate this clinical model of care to 700 practices and 1,700 clinicians.

CONCLUSIONS It is feasible to implement the clinical model and change strategy in diverse practices. Follow-up evaluation will determine the impact, sustainability, and potential for dissemination. Materials are available through http://www.depression-primarycare.org; more in-depth descriptions of the clinical model and change strategy are available in the online-only appendixes to this article.

Key Words: Depression • depressive disorder • health services research, program evaluation • primary health care • information dissemination • randomized controlled trials


   INTRODUCTION
TOP
 ABSTRACT
 INTRODUCTION
METHODS
 RESULTS
 DISCUSSION
 REFERENCES
 
Improving depression outcomes in primary care has been a public health priority for at least a decade1 but remains elusive.2 Although research has shown improved outcomes with telephone care management and closer primary care and mental health collaboration,3–11 the potential for dissemination and sustainability of these strategies has not been established.

The MacArthur Foundation has charged a group of clinicians and researchers to make a difference on a national scale in the primary care management of depression.12–23 For more on this work, see Appendix 1, which can be found online only as supplemental data at http://www.annfammed.org/cgi/content/full/2/4/301/DC1. Additional momentum comes from the US Preventive Services Task Force (USPSTF) through its endorsement of depression screening in adults24 "in clinical practices that have systems in place to assure accurate diagnosis, effective treatment, and careful follow up." They state, "Benefits from screening are unlikely to be realized unless such systems are functioning well."

The jump from the page to the practice is long.25 This report describes (1) a broadly applicable evidence-based clinical model of depression care, (2) a practice change strategy, and (3) the methods of a project to evaluate their impact.


   METHODS
TOP
 ABSTRACT
 INTRODUCTION
 METHODS
RESULTS
 DISCUSSION
 REFERENCES
 
The Re-Engineering Systems for Primary Care Treatment of Depression (RESPECT-Depression) project includes a randomized controlled trial (RCT) and subsequent evaluations of sustainability and dissemination of information. The design is described in Appendix 2, available online only as supplemental data at http://www.annfammed.org/cgi/content/full/2/4/301/DC1.

Health care organizations (HCOs) invited to participate included medical groups and health plans that provide quality improvement support to affiliated practices. HCO leaders were willing to commit to ongoing support for the clinical model and to disseminate it to additional practices through the practice change strategy if the model was beneficial.

The Clinical Model
The Three Component Model (TCM) enhances care17 by providing a system for depression management as recommended by the USPSTF (Figure 1Go). Components include care management, collaboration between mental health and primary care professionals, and preparation of primary care clinicians and practices to provide systematic depression management. Patient response is monitored across components by using the Patient Health Questionnaire-9 (PHQ-9).26–28 Similar systematic approaches have improved preventive care.29–31



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  		Figure 1. The Three Component Model.

* Primary Care Clinician (PCC) follow up visits typically at 2, 6, and 12 weeks and as needed; PHQ-9 = Patient Health Questionnaire

{dagger} After each patient contact, Care Manager sends report to PCC and discusses in psychiuatry supervision call.

{ddagger} Discussed with psychiatrist or referral to specialty care.

 
The primary care clinician is responsible for recognition, diagnostic evaluation, and initial management of depression, as well as follow-up care. Clinicians receive training in the model and are thus prepared to provide systematic care. Patients who agree to participate receive telephone support calls from a practice-based or centrally-based care manager at 1, 4, and 8 weeks after the initial primary care visit and additional telephone calls every 4 weeks thereafter until remission. Through weekly supervision telephone calls, care managers discuss patient contacts with a psychiatrist from their health care organization. Based on these discussions, psychiatrists may provide feedback to primary care clinicians if they have suggestions about management. A more complete description of the clinical model is found in Appendix 3, available online only as supplemental data at http://www.annfammed.org/cgi/content/full/2/4/301/DC1).

The Practice Change Strategy
This strategy supports a process of change for clinicians and practices to apply and maintain the clinical model (Figure 2Go). Key principles, which derive from diffusion of innovations theory,32 include working initially with practices and clinicians that not only have an interest in the innovation and view it as compatible with their needs, values, and resources, but also have the ability to try it with minimal investment and observe its impact. A more complete description can be found in Appendix 4, available online only as supplemental data at http://www.annfammed.org/cgi/content/full/2/4/301/DC1.



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  		Figure 2. The process of change strategy.

 
Evaluation
Clinician surveys and care manager logs describe the process of care. Clinical progress is assessed using PHQ-9. For the RCT, depression severity and functional health of patients are determined at baseline, 3 months, and 6 months through telephone interviews conducted by independent evaluation center staff using validated instruments.33,34 Care manager logs and HCO administrative data are used to assess cooperation with implementation and changes in the process of care in each practice. For a more complete description, see Appendix 5, available online only as supplemental data at http://www.annfammed.org/cgi/content/full/2/4/301/DC1.


   RESULTS
TOP
 ABSTRACT
 INTRODUCTION
 METHODS
 RESULTS
DISCUSSION
 REFERENCES
 
Six HCOs initially agreed to serve as collaborating institutions: 3 medical groups and 3 insurance plans, 1 of which is a behavioral health network. These HCOs were recruited to reflect the diversity of organizations nationally and because of their interest in enhancing depression care. One HCO dropped out as a result of leadership changes before enrolling patients in the RCT. The remaining 5 organizations, which engaged 60 practices and 180 clinicians in the RCT, have more than 700 practices and 1,700 clinicians as potential targets for the clinical care model.

All assigned practices were able to implement the TCM. Nine hundred eighty-seven consenting patients were referred to the evaluation center. Of these, 433 were eligible for the evaluation cohort and completed baseline interviews. Appendix 6 (available online only as supplemental data at http://www.annfammed.org/cgi/content/full/2/4/301/DC1) provides more detail.


   DISCUSSION
TOP
 ABSTRACT
 INTRODUCTION
 METHODS
 RESULTS
 DISCUSSION
REFERENCES
 
The RESPECT-Depression project is evaluating the ability of the practice change strategy to sustain and disseminate the evidence-based clinical model. The clinical model has so far been used with hundreds of patients in the intervention practices, with implementation support provided by the 5 HCOs. An evaluation cohort of depressed patients will allow assessment of 6-month depression outcomes in initial practices late in 2003, and sustainability and dissemination results will be available in 2004–2005.

To our knowledge, the RESPECT-Depression project is among the first to link a randomized controlled trial to subsequent dissemination. The RESPECT-Depression project does require new care management resources, as well as a supportive role from psychiatrists, but the 5 HCOs have indicated a willingness to maintain these supports using their own resources. Finally, the RESPECT-Depression project relies on a widely available resource, quality improvement programs of health care organizations, to help clinicians and practices make the jump from the page to the practice in implementing the enhanced model of care. Additional discussion is available online only as supplemental data in Appendix 7 at http://www.annfammed.org/cgi/content/full/2/4/301/DC1).

The RESPECT-Depression project will add to the knowledge base about effective management of depression in primary care . Materials needed to build clinician and care manager capacity to apply the clinical model are available at http://www.depression-primarycare.org, as are materials needed by quality improvement offices to support its implementation through the change strategy.

These materials and the manuals that support their use allow a turnkey approach to implementation in which a simple system has been engineered to accomplish a complex task using proven methods that allow customization. Clinicians supported by quality improvement infrastructures should demand support for implementing such evidence-based practice enhancements. In addition, this project will contribute to the development of research methods that address translation, sustainability, and dissemination of innovations in primary care. In so doing, it helps set the stage for a new generation of research studies using quality improvement structures to support sustained and widespread application of evidence-based best practices.


   FOOTNOTES
 
Conflicts of interest: none reported

Funding support: This research is sponsored by the John D. and Catherine T. MacArthur Foundation.

Received for publication May 28, 2003. Revision received August 25, 2003. Accepted for publication October 12, 2003.


   REFERENCES
TOP
 ABSTRACT
 INTRODUCTION
 METHODS
 RESULTS
 DISCUSSION
 REFERENCES
 

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TRACK Comments:

Read all TRACK Comments

Tipping the Scale: Sustaining Systems for Primary Care Treatment of Depression
Harold A. Pincus
Annals of Family Medicine, 30 Jul 2004 [Full text]
Strategies for Sustaining Systems for Primary Care Treatment of Depression
Allen J. Dietrich
Annals of Family Medicine, 31 Jul 2004 [Full text]
Lessons Learned from the Implementation of the Three Component Model
Neil Korsen
Annals of Family Medicine, 5 Aug 2004 [Full text]
Questions for the RESPECT team
Donald E. Nease
Annals of Family Medicine, 13 Aug 2004 [Full text]
RESPECT as a Template for Other Practices
Dean A Seehusen
Annals of Family Medicine, 18 Aug 2004 [Full text]
RESPECT Team Response to Dr. Donald Nease
Allen J. Dietrich
Annals of Family Medicine, 10 Sep 2004 [Full text]
This Article
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