Current issues of ACP Journal Club are published in Annals of Internal Medicine


Patients at the center: In our practice, and in our use of language


ACP J Club. 2004 Jan-Feb;140:A11. doi:10.7326/ACPJC-2004-140-1-A11

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• Letter: Patients at the center: in our practice, and in our use of language

In a formerly widespread approach to medical decision-making, physicians made a diagnosis, considered the management alternatives, and informed patients what would be done to help them. Decision-making rested exclusively in the physicians' domain.

This parental model of patient care challenged clinicians to interpret what was best for their patients. How much benefit must a treatment offer before it was worth subjecting a patient to its short-term side effects, long-term risks, inconveniences, and costs? With the clinician at the center of decision-making, the question was whether a treatment effect was “clinically relevant.” Even in the discipline of health-related quality-of-life measurement, investigators sought the “minimal clinically important difference.”

The parental model has its strengths, and in the past it is very likely that many patients preferred leaving the decisions to their doctors, particularly when the knowledge gap between physicians and the lay public was greater. Consider, for instance, the results of a survey of 2472 patients with chronic disease (hypertension, diabetes, heart failure, myocardial infarction, or depression) completed between 1986 and 1990. In response to the statement, “I prefer to leave decisions about my medical care up to my doctor,” 17.1% strongly agreed, 45.5% agreed, 11.1% were uncertain, 22.5% disagreed, and only 4.8% strongly disagreed (1). Cultural changes since the 1950s suggest that in the more distant past the percentage preferring to leave decisions up to the doctor was even greater. For example, in the survey that generated these data, older patients were less inclined to prefer an active decision-making role than younger respondents.

Parental approaches to decision-making have limitations related to physicians' evaluation of how patients value benefits and risks. One issue is physicians' tendency to assume that physiological outcomes will lead to improvements in mortality and quality of life. Physicians are strongly influenced by the scientific tradition of medicine, a tradition that gained preeminence soon after the turn of the 20th century. This scientific tradition led investigators, and subsequently clinicians, to focus on what was objectively and immediately measurable. The physiology underlying this science involved a clear notion of causal connections. A drug increased inotropy or decreased the afterload against which the failing heart had to pump, the ejection fraction increased, the cardiac output increased, tissue perfusion improved, and the pulmonary wedge pressure fell. It was natural to assume that the patient would feel better and live longer. What change in inotropy or reduction in afterload would lead to the desirable consequences required judgment. That is, how big a difference was required for “clinical relevance”?

The physiological model of medical decisions remains prominent. When medical students and residents reply to questions about why they are prescribing an angiotensin-converting enzyme inhibitor, rather than citing an anticipated mortality reduction, they usually note its afterload-reducing properties. In a parallel persistence, physicians and medical authors considering whether the magnitude of a treatment effect is important continue to frame the issue as one of “clinical relevance” (2, 3).

We now know that some drugs that obliterate asymptomatic ventricular arrhythmias increase fatal arrhythmias (4), some drugs that improve lipid profiles fail to reduce cardiovascular risk (5), and some potent inotropes and afterload reducers increase mortality in heart failure (6-10). Physiological rationale usually works well in predicting patient benefit, but in an appreciable minority of situations, it yields predictions that prove disastrously incorrect.

Even if physicians resist assumptions about physiological outcomes, they may make value judgments that differ from those of their patients. Faced with the same critically ill patient, for instance, one clinician will advocate withdrawal of life support, and another, full aggressive interventions (11). Facing the decision concerning anticoagulation in atrial fibrillation, clinicians are more concerned about bleeding risk, and place less weight on the associated stroke reduction, than patients (12).

In some parts of the world, including North America and Europe, the process of medical decision-making is changing. Increasing general levels of education, the advent of the Internet and the resulting access to medical information, and an increasingly litigious and consumerist environment have all contributed to patients' desire to play a more active role in decision-making. In 1 recent study of patients with node-negative breast cancer who were considering adjuvant chemotherapy, 84% of 171 women preferred an independent or shared role in decision-making (13). Shared decision-making and patient-centeredness have become attractive approaches to resolving the profusion of challenging choices facing patients and clinicians (14-16).

This is not to say that there are no dangers in preeminent patient decision-making, that the ideal approach to decision-making in practice has been fully defined, or that we are anywhere near the application of consistent shared decision-making in clinical practice. In terms of optimal approaches to shared decision-making, limitations include our ignorance of the best ways of communicating information and uncertainty to patients, and the risks that patients will misunderstand and as a result choose management strategies not in their best interests. In terms of implementing shared decision-making, time constraints severely limit clinicians' opportunities to elicit and fully appreciate patients' perspectives. Understanding the process of decision-making is given little attention in medical curricula, and clinicians may not fully appreciate the importance of values and preferences in decision-making and the potential differences between their preferences and those of their patients.

Shared decision-making—like evidence-based medicine in its initial phases and perhaps even today—also faces risks for misunderstanding. Shared decision-making includes the physician as an active partner, engaged in dialogue and exploration with the patient. When patients decide not to take an effective therapy they may not be fully aware of the consequences and may thus be acting against their own best interests. The clinician's role in these circumstances is to try to understand the patient's decision (are they choosing not to take an effective therapy because of its cost, or are they misconstruing the potential benefits, risks, or inconveniences?). When a decision is made because of misunderstanding, the clinician's role is to provide clarification and additional information that will allow the patient to make an informed decision. Furthermore, whether the patient's preference is for euthanasia or nontherapeutic use of narcotics, clinicians are never under obligation to act in ways they find morally, ethically, or even legally problematic.

These challenges notwithstanding, shared decision-making is gaining clearer definition, and patients' voices calling for a greater say in medical decisions are increasingly audible. Research is beginning to address issues of effectively ascertaining patients' values and preferences and communicating information (17). Our language, however, is lagging behind.

Language reflects the way we think and often conditions the way we think and behave. Clinicians who find arguments concerning the limitations of physiological endpoints compelling, and who agree with the preeminence of patient values and preferences, may want to modify their language accordingly. Such clinicians might want to recommend interventions, not when the magnitude of the effect is “clinically relevant” but when it is “patient-important.”

When we state that an intervention alters “patient-important” outcomes, we are less likely to slip back into risky physiological thinking. Cardiac ejection fraction or laboratory exercise capacity may be clinically relevant; they are not “patient-important.” Use of “patient-important” directs our attention appropriately when we apply the critical appraisal criterion, “Have the investigators considered all relevant outcomes?” to a randomized trial. It also reminds us to cast a sceptical eye on clinical practice guidelines and not neglect the critical appraisal criterion that demands that guideline developers make underlying values and preferences explicit.

Other commentators have noted the limitations of “clinical relevance” and suggested alternative terms, including “patient-oriented” (18) and “personal significance” (19). The latter term takes our perspective beyond that of the patient. Personal significance might lead us to consider the patient's family members or the individual involved in a community screening program.

In contrast, Richard Peto has used the term “humanly important” to direct our attention away from the individual (20). Small relative risk reductions may be important in human terms if they are associated with interventions that we can apply to large populations (such as those who have a myocardial infarction) and thus delay many deaths. Peto has used this argument to advance the cause of the large, simple trials that are often necessary to detect small relative risk reductions.

“Patient-important,” on the other hand, focuses us on the individual clinical encounter and the preeminence of the patient's values and preferences within that encounter. Alternative terms may be preferable depending on the context of a specific discussion.

In the domain of values and preferences, the central figure in clinical decision-making is shifting from the clinician to the patient. Clinicians and investigators may wish to keep in step with this development by focusing not on outcomes that are clinically relevant but on those that are patient-important.

Gordon Guyatt, MD
Departments of Medicine and Clinical Epidemiology & BiostatisticsMcMaster University
Hamilton, Ontario, Canada

Victor Montori, MD
Departments of Medicine and Clinical Epidemiology & BiostatisticsMcMaster University
Hamilton, Ontario, Canada

P. J. Devereaux, MD
Departments of Medicine and Clinical Epidemiology & BiostatisticsMcMaster University
Hamilton, Ontario, Canada

Holger Schünemann, MD
Departments of Medicine and Clinical Epidemiology & BiostatisticsMcMaster University
Hamilton, Ontario, Canada

Mohit Bhandari, MD
Departments of Medicine and Clinical Epidemiology & BiostatisticsMcMaster University
Hamilton, Ontario, Canada


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