I had arthroscopic knee surgery with a lateral release on my right knee ,6 days ago to scrape and put my knee cap back in place, along with a lateral release, to keep it from pulling my knee cap out and to the outside of my leg. This was the second time in 2 months, as my left leg was done exactly the same way 2 months ago without any complications and normal healing time. This time I started off by doing exceptionally better than the last time as far as pain and healing go, with very minimal swelling.I didn’t even need to use the crutches and had full range of motion and barely any limping afterwards and was even driving again after 48 hours with no pain, but on the 5th day following surgery, I accidentally stepped off of an average size porch step the wrong way ,while not really paying attention , and when I planted my foot on the ground I instantly got a jolt of tremendous pain and actually felt my knee cap shifting and moving as I straightened my leg into a normal walking position. My question is ,can it actually be possible to force the knee cap back into the position it was before the surgery and/or do any permanent damage by landing the step the wrong way? I am now in severe pain and have significant swelling, as well as , not able to put any weight on the leg along with not being able to bend the knee without resistance and extreme pain in the knee. It just happens to be the weekend so the surgeon’s office is closed and I wasn’t sure if I should be worried enough to go to the ER or if this is something common that could happen. I am so mad at myself for not being more careful , not resting more and continuing my average daily exercise if not more than average, due to a very busy weekend schedule, even though I felt almost no pain and very little swelling following the surgery. I feel as if my carelessness may have caused an unnecessary extended healing time if not some kind of permanent damage or injury that may need additional surgical intervention that would not have been needed before. Thanks for your time, any suggestions and knowledge of what I may have done will be very helpful.
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replied June 25th, 2019
Thank you for asking at Ehealth forum!

I read your question and I understand your concern.
It looks trivial injury. Just take pain killer like advil to combat it.If problem persists then MRI of knee joint would be needed to sort it out.
I hope it helps. Stay in touch with your healthcare provider for further guidance as our answers are just for education and counselling purposes and cannot be an alternative to actual visit to a doctor.
Take care

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