Introduction to biomechanics


I Have Bad Arthritis In The Shoulder But I'm Afraid Of Surgery... What Should I Do?

Joint replacement surgery for arthritis hasthe  surgery  until  at  least the age of 60.
become commonplace nowadays when it comes to
areas  such  as  hips  or  knees.As with other replacement procedures, a
revision operation- a replacement of a
However, there is still the notion thatreplacement is a difficult, risky, and
shoulder replacement is difficult and notcomplex procedure. Patients under the age of
very successful. It's something to consider60 might want to consider lesser options
only as the very last resort... and even thenbefore  moving  onto  shoulder  replacement.
avoid  it  if possible. Why is this the case?
Shoulder fusion is another procedure that can
One reason is that shoulder replacement isbe considered. While pain is ameliorated,
not commonly done. Only about a tenth as manyfunction of the shoulder is markedly
shoulder replacements are done as hip or kneerestricted so it's not an option for many
replacements. However, new data from a Johnspatients.
Hopkins study has demonstrated that while
less commonly performed, shoulder replacementThe reason total shoulder replacement is such
actually has fewer complications and shortera challenging operation is that it involves
hospital stays than either knee or hipremoving the head of the humerus (the top of
replacement.the upper arm bone) and replacing it with a
new prosthetic metal ball. Then, a
Shoulder replacements are less common thanresurfacing of the glenoid (shoulder socket)
knee or hip replacement for three majoris done by by attaching a second
reasons.saucer-shaped plastic component to the
shoulder  blade.
The first is that the most common form of
arthritis, osteoarthritis- is a disease ofSince the shoulder is a smaller and more
weight-bearing joints and the shoulder is notcomplex joint than the knee or hip, it is
a  weight-bearing  joint.more difficult to place the prosthesis
perfectly. Getting to the shoulder joint is
Also, many people don't realize shouldermade more difficult because of the many
replacement is an option or they may lacknerves, tendons and blood vessels in the
access to surgeons who can perform shoulderarea.
replacement surgery because it is such a
specialized  procedure.Also, the anatomy of the shoulder varies a
lot from person to person so many times
Finally, many physicians have not beenstandardized parts don't fit well. Placement
exposed to the excellent results that can beof the implant is very demanding from a
achieved, so they are often reluctant tosurgical viewpoint. Done correctly, shoulder
advise  it  for  their  patients.replacement results in a well-functioning
shoulder  with  a  durable  implant.
As with all joint replacement operations, the
single biggest determinant of success is theAlso, and often most importantly, the
skill  and  experience  of  the  surgeon.operation  eliminates  the  arthritis  pain.
This is a particularly complex surgery, so itAfter the procedure, patients can begin to
is mandatory to find a highly skilled surgeonmove their shoulder right away. They should
at a major medical center, particularly aremain in the hospital at least two days
center specializing in orthopedic surgery,though. Several months of physical therapy
where a large number of shoulder replacementsare necessary to gain full functioning and
are  done.range  of  motion  in  the  shoulder.
So if you're a patient with arthritis when doMost patients can raise their arm by six
you know you might be a candidate forweeks and resume full activities after three
shoulder replacement? If you're experiencingor four months. Patients experience the most
significant pain due to your arthritis thatdramatic improvement in the first four
is disabling or interfering with sleep,months. However, they will still make
that's an indication. Also, if you are havingprogress  over  the  next  year.
difficulty with daily functioning as a result
of arthritis in the shoulder, that would beThey often can return to their previous
another indicator that you should at leastactivities. However, surgeons caution
look  into  it.patients that excessive overuse of the joint
will  wear  it  out  faster.
While shoulder arthritis is generally a
condition that occurs in older people, theSo... shoulder replacement surgery can be
patient must otherwise be healthy enough toadded to the growing number of treatment
undergo  the  surgical  procedure.options available for people with shoulder
arthritis that has failed to respond to more
Shoulder prostheses last an average of 15 toconservative measures.
20 years so if possible, it's best to delay



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