Hi Ruthley, read on if it's of any use - off a web site I've found useful in the past.
MIS 2-Incision Hip Replacement: Answers to Frequently Asked Questions / United
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MIS 2-Incision Hip Replacement: Answers to Frequently Asked Questions
Q. What is the difference between Zimmer MIS 2-Incision hip replacement and
A. The Zimmer MIS 2-Incision procedure is one of the least invasive surgical
options available for hip replacement today. When performing the procedure,
surgeons make two incisions as small as 25mm to 40mm each, and generally
separate the muscles and tendons to access the hip joint. Traditional surgery
typically involves a 250mm to 300mm incision and the cutting of those key
Q. How does the surgeon put in a new hip through such small incisions?
A. Zimmer makes specialized instruments and provides training in minimally
invasive surgical techniques that allow orthopaedic surgeons to access the hip
joint and perform the surgery through a much smaller incision than is used for
traditional hip replacement.
Q. How would I benefit from the MIS 2-Incision procedure?
A. It’s mainly the healing of cut muscles and tendons that can make recovery
from traditional hip replacement surgery so long and painful. Because those
tissues generally aren’t cut in the MIS 2-Incision procedure, potential patient
Less tissue trauma
Faster and less painful rehabilitation
Shorter hospital stay – 1 to 2 days; some patients are able to go home in less
than 24 hours
Reduced blood loss and less of a need for pre-surgery donation
Quicker return to work and daily activities
Q. What are the risks of the procedure?
A. Long-term study is ongoing. However, in more than 500 patients who have
received the procedure, complications have been no different than those
associated with traditional hip replacement.
Q. Is there a difference between the replacement hip used in the MIS 2-Incision
procedure and the one used in traditional hip replacement surgery?
A. No. The replacement hip – comprised of a stem, ball and socket – is the same
high quality, clinically proven prosthesis that is used in traditional surgery.
Q.Will a hip replaced with the 2-Incision procedure last as long as one replaced
through traditional surgery?
A. There is no reason to believe that the longevity of a hip replaced with the
2-Incision technique will be different than one replaced with traditional
surgery. Of course, as with any surgery, individual results will vary. How
long a hip replacement lasts – no matter how the procedure is performed – varies
depending on a number of factors, including bone quality, weight, activity
level, and other health factors.
Q. Can anyone who would benefit from hip replacement have the MIS 2-Incision
A. Although most people who are eligible for traditional hip replacement surgery
are candidates for the Zimmer MIS 2-Incision hip procedure, there are
exceptions. You may not be a candidate if you are extremely overweight, very
muscular, have recently had a blood clot or an unstable medication that places
you at higher risk for complications, or if you have already had hip replacement
surgery on the same hip. However, you may still be a candidate for traditional
surgery or the Zimmer MIS Mini-Incision hip replacement procedure, another
less-invasive technique with similar patient benefits.
Q. Can all orthopaedic surgeons perform this procedure?
A. No. Surgeons must receive training through The Zimmer Institute to perform
the MIS 2-Incision hip replacement procedure. For more information go to
Facilities and Surgeon Locator.