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Hinged joint replacement

Discussion in 'Knee Replacement Pre-Op Area' started by RDWII, Sep 13, 2018.

  1. RDWII

    RDWII new member
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    Howdy all... October of 2012 I sustained a knee dislocation that popped ACL, PCL, MCL, popliteal tendon, along with a plateau fracture. The plan was PCL and MCL in the first surgery, ACL later.

    During the first surgery I contracted a MRSA inside the knee, led to a near fatal situation. 5 additional surgeries to clean the joint, they declared "no more surgery". I was left with only the LCL intact. Currently I have gross instability in multiple directions.

    I've managed a good life since then, but recently had an event with the knee. I am exploring options. One option is to not do anything but that effectively cripples me with only one functional leg, and it has a TKR in it already.

    I recall my surgeon saying that a replacement in the MRSA knee would mean I'd "lose mobility to gain stability". I assume that means more of a mechanical hinge type of replacement. I am just looking for commentary on how the hinged joints function, movements that are possible/not possible and typical lifespan of that joint.

    I understand that the answers to these questions fall into the "your mileage may vary" category. :)


    InfSurg.jpg
     
  2. Celle

    Celle FORUM ADVISOR Forum Advisor

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    Hello @RDWII - and :welome:

    Your poor knee has already been through the wringer, and so have you.

    In spite of what your surgeon told you about a replacement in the MRSA knee meaning you'd "lose mobility to gain stability", I think you would be able to gain more use from your leg than you do now.
    I know that @Pumpkln has a hinged knee joint and hers works well. She is able to work full-time.

    I'm going to ask @Josephine , our Nurse Director, to advise you about the hinged nee replacement. She has many years of experience in orthopaedics.

    If you choose to have your knee replaced, you should look for a surgeon who specializes in replacing knees that have had problems.

    Here are some articles that may help you decide and prepare:
    If you are at the stage where you have joint pain but don't know for sure if you are ready to have surgery, these links may help:
    Score Chart: How bad is my arthritic knee?
    Choosing a surgeon and a prosthesis
    BMI Calculator - What to do if your surgeon says you're too heavy for joint replacement surgery
    Longevity of implants and revisions: How long will my new joint last?

    If you are at the stage where you are planning to have surgery but are looking for information so you can be better prepared for what is to come, take a look at these links:
    Recovery Aids: A comprehensive list for hospital and home
    Recliner Chairs: Things you need to know if buying one for your recovery
    Pre-Op Interviews: What's involved?

    Regardless of where you are in the process, the website and app My Knee Guide can help you stay organized and informed. The free service keeps all the information pertaining to your surgery and recovery in one place on your smartphone. It is intended to be a personal support tool for the entire process.

    And if you want to picture what your life might be like with a replaced knee, take a look at the posts and threads from other BoneSmarties provided in this link:
    Stories of amazing knee recoveries
     
  3. RDWII

    RDWII new member
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    Member Since:
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    Great response, thank you!
     
  4. Josephine

    Josephine FORUM ADMIN, NURSE DIRECTOR Administrator

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    Hinged joints are a very good salvage surgery for problem knees. Here is an example.

    hinged 1-horz.jpg

    The best bit about them is that they are no longer fixed hinges meaning no rotation or angulation. As you can see, there is a connecting rod which allows some of both those functions.

    This device is pretty durable and long lasting provided there is good bone stock.

    I do recommend you find a surgeon who is accustomed to doing complex knee revisions. 150-200 a year would be a good number to shoot for.

    If you have any more questions, don't hesitate to ask me.
     

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