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Canons of Collaborative Care

Collaborative care (CC) is a team-based model in which the patient’s primary clinician (PC) is assisted in the management of specific health conditions by a care manager (CM) who is typically supervised by a physician with special expertise in the management of those conditions.1,2 CC was initially developed in the 1980s to detect and manage depression in primary care. However, past decades have witnessed broad CC generalization to other contexts, populations, and clinical targets. There have been more than 80 randomized trials of CC targeting depression, pain, and anxiety. Recent efforts have further extended CC to address co-occurring symptoms and functional decline. Although variants of CC have also been tested for common medical conditions, the latter tend to have stronger evidence-based guidelines, greater physician training and competency, and clearer specialty referral pathways. Thus, a major niche for CC is targeted care for symptoms and functional decline, areas too frequently marginalized in medically oriented care delivery systems. The potential positive impact of CC expansion cannot be overstated considering an aging population as well as an increased prevalence of multi-morbidity, mental disorders, chronic pain, and other symptom-based conditions.

Earlier CC studies predominantly used a nurse CM collaborating with primary care clinicians to improve management of a single target condition. In newer CC iterations, the CM role has been filled by clinicians other than a nurse (e.g., pharmacist, social worker, physical therapist); the CC team has partnered with diverse specialists (e.g., oncology, neurology, cardiology); and targets have increased to as many as six conditions.3,4,5 In all CC iterations, the team’s principal tasks include patient education and enhanced self-management; monitoring outcomes, adherence, and side effects; and adjusting treatment. Useful CM skills may extend well beyond medication management, to include motivational interviewing and behavioral activation. Integrated care and CC are used interchangeably. Efforts to extend CC have highlighted the tension between adapting the approach to accommodate contextual and target requirements while preserving defining CC characteristics with fidelity.

One definition of canon is a principle, criterion, standard, or norm within a particular field of study or discipline. Four canons with subsidiary principles are summarized in Table 1. Although core components of CC have been elaborated elsewhere1,2,6, the canons proposed here emphasize some pragmatic aspects of operationalizing CC derived from our experience in testing CC in multiple trials and implementing it in clinical practice.

Table 1 Canons of Collaborative Care

OWN THE TARGET CONDITION

The raison d’étre of CC is to provide resources for conditions difficult to adequately manage within the time constraints that beset the patient’s PC. Thus, CC that creates extra work for the PC can be a self-defeating nonstarter. An illustrative formula would be the difference between work added and work subtracted by CC, with 3 scenarios:

  1. 1.

    Workadded – Worksubtracted = 1 – 2. This is a net PC work reduction provided by CC

  2. 2.

    Workadded – Worksubtracted = 2 – 2. This is a net PC work “zero sum game”

  3. 3.

    Workadded – Worksubtracted = 2 – 1. This is a net PC work added by CC

Scenario 3 should be the exception rather than the norm. The CC team also needs to be very selective about PC communications given the daily volume of secure messages and other alerts overloading the clinician’s inbox. PCs are as much “clients” of the CC team as the patients, and their needs must be respected.

ELICIT PATIENT PREFERENCES

Patient preferences may be relevant at several levels:

  1. 1.

    Does the patient want any treatment? Symptoms identified by screening may not be sufficiently bothersome or their management a lower priority for the patient compared to other medical or non-medical issues.

  2. 2.

    If multiple evidence-based treatments are available, which does the patient prefer?

  3. 3.

    If the patient has multiple symptoms that fall within the purview of the CC team (e.g., pain, depression, and trouble sleeping), which symptom is most salient for the patient? Sequential rather than simultaneous treatment may be preferable. Moreover, treatment of the most bothersome symptom may have beneficial effects on comorbid symptoms. It may be better to focus on one problem well than three problems halfway.

  4. 4.

    If there is more than one recommendation from the same or different consultants within or outside the CC team, each potential action is probably partly right without any being necessarily superior to the others. That gives a menu to choose from rather than an overly prescriptive course of action. In this case, the care manager can navigate with the patient an initial option with the possibility of a course correction should symptom improvement be sub-optimal.

MEASURE AND ADJUST

A core principle of CC is measurement-based care in which validated scales are periodically administered to monitor and adjust therapy. Treat-to-target is a corollary principle wherein the focus is on the measured outcome rather than treatment specifics. While scale scores have been a principal focus, adherence, side effects, and perceived cost are measurable parameters that should also guide adjustments. If the patient is adherent to a partially effective treatment, one option is to increase the dose (if a medication) or number of sessions (if a nonpharmacological therapy). Another option is to add an additional treatment with a different mechanism of action. If a treatment is not effective or the patient desires an alternative treatment, the team can return to the original menu of evidence-based options.

One caveat for measurement-based care is to avoid treating a scale score in isolation. Two other factors noted in Table 1 are global status and the patient’s desire for treatment. At baseline, global status refers to a symptom’s impact on a patient’s overall well-being. At follow-up, global status refers to the degree of change in this broader construct. Symptom’s temporal characteristics and etiology may also inform treatment. A patient might tolerate a pain score of 8 for a few days but not a pain score of 5 for six months. Patient-specific thresholds for symptom tolerance (i.e., the degree of symptom hypersensitivity vs. stoicism) may also differentially guide symptom management. An obvious and transient symptom source may indicate the need for a time-limited, near-term solution rather than a durable one. Finally, lower symptom scores may warrant expedited action in the presence of red flags, such as suicidal ideation for depression or back pain in a patient with cancer adjacent to the spinal cord.

DETERMINE THE CC TEAM’S BOUNDARIES OF CARE

CC is frequently bounded by the conditions it covers, their cause, and length of time the patient is followed. Dealing with conditions outside its scope and transitioning care back to PC is addressed in Table 1. When CC is provided to patients in specialty settings, even the condition covered may be better managed elsewhere. For example, CC targeting cancer-related pain in oncology practices or postoperative pain in surgical settings may not be the ideal service for addressing pre-existing back pain, fibromyalgia, or chronic headache. In these cases, re-directing the patient to the appropriate primary care or specialty service is appropriate. Explicitly communicating to the patient the boundaries of CC and its time-limited nature is important.

Relative to the evidence for CC, its adoption has been largely limited to selected health care systems with a more population-based approach. However, uptake could be enhanced by recent reimbursement changes7, accountable health care initiatives, and the increased use of telecare accelerated by but likely to persist after the pandemic. The canons codify some practical strategies for a more seamless integration of CC.

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Correspondence to Kurt Kroenke MD.

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Kroenke, K., Cheville, A. Canons of Collaborative Care. J GEN INTERN MED (2021). https://doi.org/10.1007/s11606-021-06929-9

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