Showing posts with label mobility. Show all posts
Showing posts with label mobility. Show all posts

June 06, 2019

Our Downfall

Falls have long been known to be a major problem among older people. Even when they don’t cause chronic disability or death, a single fall can lead to paralyzing anxiety. The medical costs alone, for hospital care, rehab, and post-acute care, are enormous: one estimate is that they reached $50 billion in 2015. But despite significant advances in knowledge about fall prevention, new data indicate that the problem is getting worse. In fact, a short “research letter” in JAMA indicates that age-adjusted mortality from falls among people aged 75 and older roughly doubled between 2000 and 2016. 

The data are shocking. The age-adjusted mortality rate from falls for men over 75 went from 60.7/100,000 in 2000 to 116.4/100,000 in 2016. For women, the numbers are even more dramatic, with age-adjusted mortality for those over 75 going from 46.3/100,000 in 2000 to 105.9/100,000 in 2016. 

To understand just how bad things are, it helps to break down the statistics by both age and gender. The overall crude mortality rate for individuals over 75 (2016 data) was 122.2/100,000. For the youngest cohort, those ages 75 to 79, the age-adjusted rate is 42.1/100,000 (52.3 for men). For the 80 to 84-year-old set, the age-adjusted rate doubles to 88.9/100,000 (105.8 for men). For the oldest old, the numbers are extraordinary: going from 171.2/100,000 for those 85 to 89 to 362.5/100,000 for the 90 to 94-year-olds to 630.8/100,000 for those age 95 or older. And the corresponding age-adjusted rates for men are even worse, ranging from 205.2/100,000 to 762.8/100,000.

With statistics like these, you might think no one has a clue as to how to prevent falls. You would be mistaken. Entering “fall prevention in the elderly” as a search term in Google Scholar for the period 2000-2016 yields 18,000 hits. The articles have titles such as “randomized controlled trial of falls prevention” and “falls and their prevention in elderly people: what does the evidence show?” The American Geriatrics Society and the British Geriatrics Society issued a joint clinical practice guideline for the assessment of fall risk and preventive strategies in 2010. Two years later, the CDC decreed falls in older people a major public health problem issue and released a variety of evidence-based materials to help physicians, patients, and families address the problem. Calling their program STEADI (Stopping Elderly Accidents, Deaths, and Injuries), they offered, at no charge, a provider tool kit, a detailed algorithm and a handy pocket guide for clinicians, and a patient information sheet. 

Strategies to diminish falling in older people continue to proliferate. The American Hospital Association along with two other organizations came out with recommendations for addressing the problem in hospitals, where falls are also a major problem: between 700,000 and one million people fall in US hospitals each year and about one-third suffer injuries from their falls. As many as 11,000 people die as a result of the fall.  

The Centers for Medicare and Medicaid Services concluded that falls are preventable—and decided to penalize hospitals if a patient falls and either dies or sustains a serious injury as a result. Medicare considers such falls to be “never events” and will not reimburse hospitals for any additional costs associated with falls.

And yet, despite the research, the policies, and the programs, fall rates are rising, not falling. The burning question is, why?

Analyses of the obstacles—and successes—encountered when health systems tried to implement STEADI are revealing. When Oregon Health Sciences University introduced the program in their primary care clinics, they found the single most important factor conducive to adoption was the presence of clinical champions at each site. These clinicians spearheaded a team effort to develop a clinical workflow, customized for their site. They were also empowered to commission the development of electronic health record tools to document screening and assessment of falls. Other programs similarly reported that without strong endorsement by clinical leadership and the resources to implement and document fall-related activities, the initiatives were dead on arrival.

But if we examine the STEADI algorithm for fall risk screening, assessment, and intervention, we can identify other barriers. 



Falls often have multiple interacting causes and the most successful interventions tend to be correspondingly multidisciplinary. But medicine is much better at dealing with isolated problems than with messy, multifactorial ones: high blood pressure? Take a pill. Pneumonia? Use an antibiotic. 

Now look at the screening that the clinician is supposed to carry out. If a patient answers yes to any of a few key questions, the clinician is supposed to evaluate gait, strength and balance. That means performing a “timed up and go” test and possibly a 30-second chair stand or 4-stage balance test. How many internists or family physicians know what these tests are, let alone routinely perform them.

Then consider the kinds of interventions that STEADI suggests. For high risk patients, the recommendation is to refer to enhance mobility and improve balance, optimize vision, optimize home safety, and address foot problems. For all practical purposes, that means referring the patient to physical therapy, to ophthalmology, to occupational therapy, and to podiatry. Only rarely will a physician be equipped to do any of these things themselves. What’s left? Educate patients—another activity that physicians often delegate to others. Prescribe vitamin D and calcium—controversial these days. Manage and monitor hypotension and medications—the only activities that fall within the orbit of the typical internist or family physician.

What we see here is a profound educational deficit. What’s worse, few of these deficits are skills that physicians are likely to find interesting to acquire. I would argue that what most physicians are excited about is learning about prescribing new medications and using nifty new technology. As a whole—and of course there are exceptions—physicians are less enamored of low tech, low complexity interventions, especially when they deem them to lie outside the bounds of medicine. Advance care planning, which rests on communication skills, has similarly been an area that physicians have been reluctant to engage in. So, if the problem is largely cultural, then strong leadership and a supportive electronic health record, while necessary, are not going to suffice to fix it.

What is the way out? I think two strategies could make an enormous difference. First, nurse practitioners and physician assistants should educate themselves in fall risk screening, assessment and intervention and medical practices should gratefully turn to them for help. Second, patients and families need to clamor for falls assessment. In this era of consumer pressure, what the customer wants may be the key to change.

May 30, 2019

Home Sweet Home

The May issue of the health policy journal, Health Affairs, includes a short but important article by two researchers from Harvard’s Joint Center for Housing Studies. Its title poses the central question of their essay, “what can be done to better support older adults to age successfully in their homes and communities?” They begin with the observation that most of the literature on “supportive housing” for older people focuses on the 20 percent of people over 75 who need significant help to function day to day (many of whom are in fact over 85). They go on to point out that the remaining 80 percent face challenges as well—mobility limitations, impaired night vision—that while not nearly as restrictive as the problems of their counterparts with frailty or dementia, are nonetheless important issues that are seldom addressed from a public policy perspective. And with the over 75-year-olds numbering 14 million today and expected to double by 2038, 80 percent represents a great many people whose housing needs are projected to be inadequate.
In fact, while the vast majority of older people say, when surveyed, that they want to stay in whatever home they live in now, that may prove difficult at best. Consider the major threat to successful independent living, impaired mobility. Only 3.5 percent of homes today offer single floor living with no steps to the entrance. Many do not have hallways that are wide enough to comfortably accommodate assistive devices. Retrofitting a two-story home with a curving staircase—and, let’s say, no first-floor bathroom or bedroom—may be prohibitively expensive or impossible altogether. Then there’s transportation from the older person’s home to stores, libraries, doctor’s offices, or movie theaters which, in many rural or suburban locations, is nonexistent.
What Christopher Herbert and Jennifer Molinsky advocate in their article is a variety of public policy steps to help. They mention tax credits for renovations and programs that provide coordination of care, perhaps modeled on PACE (program of all-inclusive care for the elderly), though that is currently based in adult day health centers and is more suitable for the frail than for the slightly impaired. They allude to NORCs (naturally occurring retirement communities) without mentioning them by name as a model that facilitates on-site assistance by concentrating a large group of people in one area.
But in the end, the authors are forced to make an appeal for building new accessible, multifamily buildings with elevators in walkable urban centers. And it’s not just urban planners—if cities still hire such people—who need to push for this model; it’s also older people themselves. A good place to start is to educate people as they turn seventy and older that they may want to think about the long run and move before they are forced to. They should choose a housing arrangement, if they can afford to, where they can truly age in place.

May 07, 2017

Falling Down on the Job

In the sixties, physicians routinely prescribed bed rest for patients who had suffered a heart attack. Then along came the recognition that bed rest led to clot formation in the lower extremities, clots that sometimes broke off and traveled to the lungs, causing potentially life-threatening pulmonary emboli. Bed rest also led to deconditioning—when patients finally were allowed to get up, they found they were often weak and wobbly. And so bed rest was out and early mobilization was in. But now, concurrent with a vigorous attempt to prevent falls among older hospitalized patients, bed rest is back in—and with more complications than ever, as reported in a thoughtful article in JAMA Internal Medicine last week.

In 2008, in response to the observation that “injurious falls” were responsible for increased hospital costs and were clearly bad for patients, the Centers for Medicare and Medicaid Services introduced a program incentivizing hospitals to prevent falls. Currently, a fall resulting in significant injury (such as a fracture) is one of eight hospital-acquired conditions that collectively determine whether hospitals will be penalized for poor performance. To address the CMS initiative, hospitals introduced a variety of techniques designed to keep older patients from falling such as bed alarms and “fall risk” signs on the door. According to Growdon and colleagues, the result has been a “national epidemic of immobility among hospitalized older adults.”

Paradoxically, the means used by hospitals to prevent falls don’t work. Bed (and chair) alarms are ineffective—which is not entirely surprising, as by the time a nurse responds to the buzzer indicating the patient has gotten out of bed (or chair), the person is probably already on the floor. Even a multi-prong study from Australia using a variety of different approaches simultaneously was unsuccessful.

But all those bed alarms and signs on the door do achieve something, and that’s to keep patients at bed rest. And just as bed rest was bad for heart attack patients in the sixties, it’s bad for older patients today. Bed rest promotes the development of confusion (delirium) and worsens mobility, so when patients finally do get out of bed, either late in their hospital stay or after they get home, they are more likely to fall.

Growdon, a resident in internal medicine at a major Boston teaching hospital, and his colleagues at a VA Hospital in Florida and at Hebrew Senior Life, a teaching nursing home, are rightfully indignant. They advocate promoting mobility rather than penalizing falls, arguing that “although hospital falls can lead to harm, treating them as ‘never events’ has led to over implementation of measures with little efficacy for falls [prevention] yet profound contribution to immobility.” They are, no doubt, correct. But why? Why should an incentive program based on outcomes lead to the adoption of a strategy that does not lead to the desired outcome?

If CMS had used a process measure, if it had offered extra payments to hospitals that introduced fall prevention programs, I wouldn't have been surprised that it resulted in hospitals adopting programs for the sake of having something, regardless of efficacy. But instead it opted to penalize hospitals for performing poorly, which should by rights have led to hospitals choosing to take steps that made a difference. What is it about the culture of hospitals or the leadership of hospital CEOs or the knowledge base of physicians and nurses that lets them make such irrational choices?

I wish I knew the answer. In the meantime, perhaps CMS would do well to offer carrots rather than sticks, and to be specific about the kind of carrots that it likes the most. If programs that promote mobility work, directives to get patients out of bed early and to consult physical therapy—both to prevent falls and to maintain function—then it’s those specific programs it should endorse and pay for.
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