Physical therapy after hip replacement: Can rehab happen at home?
By Robert H. Shmerling, M.D.
Harvard Health Blog
Chances are good that at some point you or someone you know will have hip replacement surgery.
I can say that with some confidence because it’s a common operation that’s becoming more common all the time. An estimated 300,000 total hip replacements are performed each year in this country, and that number is expected to nearly double by 2030. The most common reason is osteoarthritis, the age-related “wear-and-tear” type of arthritis that can be difficult to treat with medications or other non-surgical approaches.
If you’ve had a hip replacement yourself, you may have experienced some things that surprised you. For example:
–Despite having major surgery on the largest joint in the body, you probably stood up and started walking on it within a day or two.
–You probably were only in the hospital for a few days.
–The improvement in the arthritic pain is usually noticeable right away.
–Despite all that, after discharge from the hospital, the physical therapy visits seemed to go on forever.
In fact, it’s routine after hip replacement surgery to have extensive physical therapy — also called rehabilitation therapy, or “rehab.” This usually consists of a series of outpatient appointments with a physical therapist. These visits usually take place two or three times a week for a month or more to help you work on strengthening, stamina, and balance.
Is home rehab just as good?
A new study calls into question the way people receive rehab after hip replacement surgery.
The researchers presented their findings at a recent meeting of the American Academy of Orthopaedic Surgeons. They described how, among 77 people having hip replacement surgery, half were randomly assigned to meet with a physical therapist two or three times a week for two months. The rest were instructed on particular exercises to be performed on their own at home for two months.
Here’s what they found:
–One month after surgery, there were no major differences in the individuals’ ability to function as assessed by their ability to sit, walk and use stairs, or other measures of daily activities.
–Six months after the surgery, there was still no difference in results.
–Changing the routine physical therapy from supervised appointments to exercising at home could be accompanied by a significant reduction in the cost of care. And the convenience is an extra bonus.
Of course, this may not work for everyone. Many people who have hip replacement surgery cannot return home right away, especially if they live alone and have to climb a number of stairs right away. For them, surgery is followed by a stay at a rehabilitation facility, where they receive supervised physical therapy on a daily basis until they’re strong and steady enough to get around safely at home.
Another consideration in how post-op rehab is provided is the notion of “pre-hab” — that is, when surgery can be planned in advance (such as a hip replacement for arthritis), an exercise program prior to surgery may be useful. Those willing and able to exercise before surgery may have an easier time with home rehab.
So, now what?
This new research should be considered preliminary because it included only a small number of study subjects and the results were presented at a medical conference; they have not yet been published in a peer-reviewed medical journal. Additional research will likely be needed to confirm the findings and to identify those who are most likely to do well with self-directed rehab.
But, if the findings of this new study are confirmed, it’ll be welcome news for the thousands of people having hip replacement surgery who may no longer be asked to trudge back and forth to physical therapy appointments.
(Robert H. Shmerling, M.D., is a faculty editor at Harvard Health Publications)
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