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How Long Can a Fusion Take?

jben55jjben55 Posts: 35
edited 06/11/2012 - 8:51 AM in Back Surgery and Neck Surgery
I had ACDF C5-C7, my C5-C6 fused but my C6-C7 has not. Does anyone know how long a fusion can take to fully calcify and become osseous? I don't want to do a posterior to complete job if I can help it.



  • Jon,

    It can take a year or more to fuse. So are they telling you now that you didn't fuse vs cracked? They are two different things. I know for me, after it cracked, I was told to wait and see if it resolves on its own, and to give it at least a year! Mine is still moving, so I know it hasn't resolved and I am 15 months post crack now.

    PCTF C4 - T2, Laminectomies C5, C6 & C7. Severe Palsy left arm/hand.
  • Hi Brenda,

    Yes I'm hearing two different opinions of what is going on with the fusion. My Surgeon says cracked according to CT Scan, 2nd opinon which he reffered me to says non-union.
  • I feel that every body heals differently. It depends on nutrition, weight, how active that you are, ETC. I agree with the other posts though, A good fusion can take around a full year. Or if you mean this type of fusion!

    In nuclear physics, nuclear chemistry and astrophysics nuclear fusion is the process by which two or more atomic nuclei join together, or "fuse", to form a single heavier nucleus. This is usually accompanied by the release or absorption of large quantities of energy. Large-scale thermonuclear fusion processes, involving many nuclei fusing at once, must occur in matter at very high densities and temperatures.

    The fusion of two nuclei with lower masses than iron (which, along with nickel, has the largest binding energy per nucleon) generally releases energy while the fusion of nuclei heavier than iron absorbs energy. The opposite is true for the reverse process, nuclear fission.

    In the simplest case of hydrogen fusion, two protons have to be brought close enough for the weak nuclear force to convert either of the identical protons into a neutron forming the hydrogen isotope deuterium. In more complex cases of heavy ion fusion involving two or more nucleons, the reaction mechanism is different, but the same result occurs–one of combining smaller nuclei into larger nuclei.

    Nuclear fusion occurs naturally in all active stars (see astrophysics). Synthetic fusion as a result of human actions has also been achieved, although this has not yet been completely controlled as a source of nuclear power. In the laboratory, successful nuclear physics experiments have been carried out that involve the fusion of many different varieties of nuclei, but the energy output has been negligible in these studies. In fact, the amount of energy put into the process has always exceeded the energy output.

    Uncontrolled nuclear fusion has been carried out many times in nuclear weapons testing, which results in a deliberate explosion. These explosions have always used the heavy isotopes of hydrogen, deuterium (H-2) and tritium (H-3), and never the much more common isotope of hydrogen (H-1), sometimes called "protium".
  • Okay, then this is what I am seeing. If it's a non union, they may want to go in and revise it seeing you are well past a year. If it is deemed a crack that you feel happened around 6 weeks ago, they may tell you what they told me - wait up to a year to see if it resolves without intervention.

    I guess now the key is to find out for sure whether it didn't fuse, or indeed 6 weeks ago you cracked. I knew when mine did, that's for sure! I even heard it - a very flat loud pop!

    PCTF C4 - T2, Laminectomies C5, C6 & C7. Severe Palsy left arm/hand.
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