Objective.  To investigate physical restraint-related injuries. Areas of interest were the prevalence of injury, types of injuries, risk of sustaining an injury and specific restraint devices associated with injury.

Definitions.  Injury in the context of this review was considered to be either direct injury, such as lacerations and strangulation, or indirect injury considered to be an adverse outcome such as increased mortality rates or duration of hospitalization.

Method.  A comprehensive search was undertaken that involved all major databases and the reference list of all relevant papers. To be included in the review studies had to involve people in acute or residential care settings and report data related to injury caused by restraint devices. A number of different types of research designs were included in the review. The findings of studies were pooled using odds ratio and narrative discussion.

Results.  The search identified 11 papers reporting the findings of 12 observational studies. These studies were supplemented with the findings of a number of other types of studies that reported restraint-related data. The review highlights the potential danger of using physical restraint in acute and residential health care facilities. Observational studies suggest that physical restraint may increase the risk of death, falls, serious injury and increased duration of hospitalization. However, there is little information to enable the magnitude of the problem to be determined.

Discussion.  Many of the findings highlight the urgent need for further investigation into the use of physical restraint in health care facilities. Further research should investigate the magnitude of the problem and specific restraint devices associated with injury. However, given the limited nature of the evidence, this association should be investigated further using rigorous research methods.

Patient injury and physical restraint devices: a systematic review

▪Objective:To evaluate the association between mechanical restraint use and the occurrence of injurious falls among persons residing in skilled nursing facilities. ▪Design:Prospective obse...

Mechanical restraint use and fall-related injuries among residents of skilled nursing facilities.

The patterns of and risk factors for mechanical restraint use were determined in 12 skilled nursing facilities. Restraints were being used for 59% of residents at the beginning of the study; 31% of remaining residents were restrained during the follow-up year. No facility characteristic was associated with restraint use. The resident characteristics independently associated with initiation of restraints were older age, disorientation, dependence in dressing, greater participation in social activities, and nonuse of antidepressants. Unsteadiness (72%), disruptive behavior such as agitation (41%), and wandering (20%) were the most frequently cited reasons for initiation of restraints.

Mechanical restraint use among residents of skilled nursing facilities. Prevalence, patterns, and predictors.

OBJECTIVE: To examine the relationship between restraint use and falls while controlling for the effect of psychoactive drug use among nursing home residents, including subgroups of nursing home residents with high rates of restraint use and/or falls.

DESIGN: Secondary analysis of data from a longitudinal clinical trial designed to reduce restraint use.

SETTING: Three nursing homes.

PARTICIPANTS: Subjects (n = 322) were either restrained (n = 119) or never restrained (n = 203) at each observation point during a 9.5-month data collection period that preceded the intervention phase of the clinical trial.

MEASUREMENTS: We evaluated restraint status (independent variable) three times during the data collection period by direct observation over a 72-hour period. Incident reports documenting falls and fall-related injuries (dependent variables) were reviewed. Cognitive status was measured using the Folstein Mini-Mental State Exam and functional status (including ambulation status) by the Psychogeriatric Dependency Rating Scale. Psychoactive drug use profile was obtained through record review.

MAIN RESULTS: Using multiple logistic regression, we compared the effect of restraint use on fall risk between a confused ambulatory subgroup and the remaining sample and found a significant difference in the odds ratio for falls and recurrent falls (P = .02; chi-square = 5.24, df = 1; P = .003, chi-square = 9.12, df = 1). In the confused ambulatory subgroup, restraint use was associated with increased falls (odds ratio: 1.65, 95% CI: 0.69, 3.98) as well as recurrent fall risk (odds ratio: 2.46, 95% CI: 1.03, 5.88). Increased falls and recurrent fall risk was not observed in the remaining sample (falls odds ratio: 0.49, 95% CI: 0.28,0.87; recurrent falls odds ratio: 0.42, 95% CI: 0.20,0.91). One subgroup, the nonconfused ambulatory residents, were never restrained; after removing this subgroup, the confused ambulatory continued to be associated, though not significantly, with a higher risk of falls and injuries. Only nonconfused nonambulatory restraints were associated with a lower risk of all three outcomes: falls (odds ratio: 0.28, 95% CI: 0.05, 1.58), recurrent falls (odds ratio: 0.48, 95% CI: 0.05, 4.72), and injurious falls (odds ratio: 0.42, 95% CI: 0.04, 4.01); these results, however, were not statistically significant. There was no evidence that the effect of restraint use on fall risk depended upon the use of psychoactive drugs (chi square = 4.43; df = 2, P = .11).

CONCLUSION: Restraints were not associated with a significantly lower risk of falls or injuries in subgroups of residents likely to be restrained. These findings support individualized assessment of fall risk rather than routine use of physical restraints for fall prevention. Researchers and clinicians should continue to focus efforts on developing a variety of approaches that reduce risk of falls and injuries and promote mobility rather than immobility.

Physical Restraint Use and Falls in Nursing Home Residents

An observational study was performed to determine whether the use of physical restraints in agitated nursing home residents leads to decreased or increased agitation. Results indicate that restraint use does not decrease agitation in nursing home residents. Residents exhibited either the same amount or more agitated behaviors when they were restrained than when they were not restrained, suggesting that the act of restraining may itself contribute to manifestations of agitation. The implications of the use of restraints in agitated nursing home residents are discussed, with particular reference to the prevention of falls.

Physical restraints and agitation in nursing home residents.

Little information exists on the use of mechanical restraints among nonpsychiatric inpatients. This prospective study evaluates their use among consecutive medical and surgical admissions to an acute care hospital. Daily direct observation of patients and hospital record review provided data on potential predictors of restraint, reasons for their application, complications, and outcome. Cox regression analysis was used to calculate relative risk of restraint while adjusting for duration of hospitalization as well as other variables. Restraints were applied to 37 (17%) of the 222 study patients. Restrained patients were eight times more likely to die during hospitalization (24% v 3%; P less than 0.01). Abnormal mental status exam, diagnosis of dementia, surgery, and presence of monitoring and support devices (eg, intravenous lines) were statistically significant independent predictors of restraint. Mechanical restraint is a common occurrence among nonpsychiatric inpatients particularly those with impaired mentation, requirement for surgery, or intensive medical intervention. Identification of medical and surgical patients at risk for restraint may reduce the use of these devices by concentrating surveillance and prevention on this group.

Binding the elderly: A prospective study of the use of mechanical restraints in an acute care hospital.

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Binding the elderly: A prospective study of the use of mechanical restraints in an acute care hospital.