Medicolegal Issues

Should you restrain yourself from ordering restraints?

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Dear Dr. Mossman:
We often have to administer sedating medications to aggressive patients who pose an immediate threat of harm to themselves or others. But I am unsure about whether these “chemical restraints” create more liability problems than “physical restraints”—or vice versa. Does one type of restraint carry more legal risk than the other?—Submitted by “Dr. L”

Mental health professionals view “mechanical” or “physical” restraints in a way that really differs from how they felt 2 decades ago. In the 1980s, physical restraint use was a common response when patients seemed to be immediately dangerous to themselves or others. But recent practice guidelines say physical restraints are a “last resort,” to be used only when other treatment measures to prevent aggression fail to work.

What should psychiatrists do? Is use of physical restraints malpractice? Are “chemical” restraints better?

This article looks at:

  • definitions of restraint
  • medical risks of restraint
  • evolution and status of restraint policy
  • what you can do about legal risks of restraint.
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Definitions

In medical contexts, restraint typically refers to “any device or medication used to restrict a patient’s movement.”1 The longer, official US regulatory definitions of physical and chemical restraints appear in Table 1.2 Two important notes:

  • Neither regulatory definition of restraint is limited to psychiatric patients; both definitions and the accompanying regulations on restraint apply to any patient in a hospital eligible for federal reimbursement.
  • The definition of physical restraint would include holding a patient still while administering an injection.

The detailed interpretive rules (“Conditions of Participation for Hospitals”)3 for these regulations require hospitals to document conditions surrounding and reasons related to restraint incidents and to make this documentation available to federal surveyors.

Table 1

Federal regulatory definitions of ‘restraint’

Physical restraintAny manual method, physical or mechanical device, material, or equipment that immobilizes or reduces the ability of a patient to move his or her arms, legs, body, or head freely
Chemical restraintA drug or medication when it is used as a restriction to manage the patient’s behavior or restrict the patient’s freedom of movement and is not a standard treatment or dosage for the patient’s condition
Source: Reference 2

Medical risks of restraint

In 1998, the Hartford Courant investigative series “Deadly restraint”4 reported on 142 deaths of psychiatric patients and alerted the public to the potentially fatal consequences of physical restraint. Often, restraint deaths result from asphyxia when patients try to free themselves and get caught in positions that restrict breathing.5 Other injuries—particularly those produced by falls—can result from well-intentioned efforts to protect confused patients by restraining them.6

Evolution of restraint policy

Although restraining patients might inadvertently cause harm, isn’t it better to restrain someone, which prevents harm from aggression and accidents? Mental health professionals once thought the answer to this question was, “Of course!” But scientific data say, “Often not.”

Studies conducted when physical restraint was more common found order-of-magnitude disparities in restraint rates at sites with similar patient populations. This suggested that institutional norms and practice styles—not patients’ problems or dangerousness—explained why much restraint occurred.7-9

Reacting to these kinds of findings, psychiatric hospitals in the United States and abroad implemented various methods and policy changes to reduce restraint. Follow-up studies typically showed that episodes of restraint and total time spent in restraints could decrease markedly without any increase in events that harmed patients or staff members.10 In addition, mental health professionals now recognize that being restrained is psychologically traumatic for patients, even when restraint causes no physical injury.11

Patients in psychiatric settings represent a minority of persons who get restrained. On inpatient medical/surgical units, patient confusion and wandering, fall prevention, and perceived medical necessity can lead to physical restraint use.12 Yet physical restraints as innocent-seeming as bed rails can lead to deaths and injuries.13

Nursing homes are another environment where restraints may be common but sometimes detrimental. A recent study found that in all aspects of nursing home patients’ health and functioning—behavior, cognitive performance, falls, walking, activities of daily living, pressure sores, and contractures—physical restraints lead to worse outcomes than leaving patients unrestrained.14

For all these reasons, restraining patients is often viewed as “poor practice”14 and a response of last resort for behavioral problems.15-17

Federal regulations

Publication of the Courant article spurred Congress to develop standards18 that, a decade later, permit restraint or seclusion only when less restrictive interventions will not prevent harm, only for limited periods, and only with careful medical monitoring. Restraint is permissible when no alternative exists, but facilities that use restraint must train staff members to recognize and avert situations that might lead to physical interventions and must generate proper documentation each time restraint is used.2

Pages

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