Ligament instability after TKR?

Posted by mpirruccel @mpirruccel, May 9, 2023

I had a TKR in august 2021 on left knee due to OA. First 3 months pain was what was expected however it has never gone away, particularly on lateral side of knee. Operating surgeon at 6 months said I was a “slow healer “ and referred me to pain specialist. Pain is worse with stairs, walking. Tolerable when swimming. Cycling is now limited, used to ride 30-50 miles a ride. Icing and massaging every day. Do ROM stretches every day but painful. Have had 2 genicular nerve ablations with no results. Also tried MFR, acupuncture. Taking 75 mg Lyrica at night for sleep. Been to 3 different doctors all with different opinions. Last doc said only solution was a revision as problem is ligament instability. Anyone else gone through this?

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Mayo is my next stop if can’t get any reasonable answer.

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Have the same problem had surgery 3years ago. I’ve had pain and instability since. I’m functional.I’ve not tried an ablation but I’m thinking about it. Revision has been suggested at present I’m using accupuncture

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Profile picture for ruthblaze @ruthblaze

Have the same problem had surgery 3years ago. I’ve had pain and instability since. I’m functional.I’ve not tried an ablation but I’m thinking about it. Revision has been suggested at present I’m using accupuncture

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Hi, I tried acupuncture before and after surgery but didn’t help. There is a therapy called shock wave that might help. I tried it after surgery but didn’t do much. But there is a stronger version that I may try. These therapies are expensive and insurance doesn’t cover but with 24/7 pain I think it’s worth a try. Please continue to post and let us know your outcome. Three different doctors and 3 different opinions so I am not sure that revision is the answer for me.

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Profile picture for ruthblaze @ruthblaze

Have the same problem had surgery 3years ago. I’ve had pain and instability since. I’m functional.I’ve not tried an ablation but I’m thinking about it. Revision has been suggested at present I’m using accupuncture

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Ablation was a very tolerable procedure and insurance paid for it.

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that happened to me. i know the first knee put in was too big, 2 years of horrible pain and continued to get worse and eventually was told by 2 other docs that said it was instability. i went for a knee revision, my one leg is 3/8" longer to pick up the slack but now stable. i wear a lift in the other shoe

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At a little over 4 yrs post TKR I began having pain in knee where joined to thigh. It happened just from picking up walking pace and leaning into short hill. MRI showed torn ligaments with fraying. Doc basically said live with it… revision could end up worse.

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Profile picture for stp258 @stp258

At a little over 4 yrs post TKR I began having pain in knee where joined to thigh. It happened just from picking up walking pace and leaning into short hill. MRI showed torn ligaments with fraying. Doc basically said live with it… revision could end up worse.

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@stp258
Still have lateral knee pain 4+ years later☹️. Have appointment to see Dr. Joshua Hustedt of Banner Orthpedics in Scottsdale Arizona to see if I am a good candidate for joint denervation which moves the nerve from where it’s causing pain to a muscle. Relatively new procedure. 1” incisions. Will not consider revision as pain source has not been identified. Google joint denervation and see what you think. Procedure is for people who cannot get tkr or the 20% of us with chronic pain.

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Profile picture for oceanspruce @oceanspruce

The snapping or popping of soft connective tissue inside the rear outside aspect of my knee seemed to have a diagonally slanting orientation to it. I could even put my finger tips right on it as it jutted out just below the surface of my skin and feel it suddenly shift or slide almost as a guitar string would. Based on this physical sensation analysis, and after consulting diagrams of the inner anatomy of the knee, I suspected it MIGHT be the popliteus tendon. The surgeon thought it might be be also, but couldn't confirm it. He did confirm, however, that my ACL had been removed, but not my PCL. He did say it could be one of several different tendons or ligaments as the sensation occurred in an anatomically complex area of the knee.

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@oceanspruce
So you had what is called a cruciate retaining implant. The PCL being the retained is the cruciate. Have you and your doctor considered an MRI to take a look at the tendon and the PCL?

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