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  • Renee123
    Participant
    Post count: 130

    I met with a surgeon for grade one isthmic spondy recommended MIS TLIF over open TLIF. Surgeon says he is going to use steerable titanium cage that sits well in front of spine. He is going to use small dose of BMP in front of the cage. He says new titanium give better bone in growth and bone does not attach itself to peek cage.

    Two small 1 inch incisions on either side of the spine. He is going to removed the bi lateral pars fracture each whole. Says blood loss, hospital stay and recover are better than open.

    He does not do posterolateral fusion because he can not procure enough bone, however there are many surgeons that are able to fuse non tlif gutter.

    What are your thoughts? Surgeon says as long as we can get decompression and fusion I should be in good shape.

    Thank you

    Donald Corenman, MD, DC
    Moderator
    Post count: 8660

    I think a MIS TLIF would probably be adequate for a grade I isthmic spondylolisthesis for decompression and fusion. This is if the surgeon is good and meticulous. I would disagree with his presumption of less blood loss, hospital stay and recovery. I endorse using BMP and his decompression bilaterally.

    I cannot understand his position on the lack of posterolateral fusion. The amount of bone procured is significant with this procedure and more than enough bone to perform a posterolateral fusion. I normally have almost too much bone. I agree that if a fusion and decompression occurs, you will be in good shape but a posterolateral fusion is important to achieve a high fusion rate.

    Dr. Corenman

    PLEASE REMEMBER, THIS FORUM IS MEANT TO PROVIDE GENERAL INFORMATION ON SPINE ANATOMY, CONDITIONS AND TREATMENTS. TO GET AN ACCURATE DIAGNOSIS, YOU MUST VISIT A QUALIFIED PROFESSIONAL IN PERSON.
     
    Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.
    Renee123
    Participant
    Post count: 130

    Thank you.

    I’m not too enthused with not having a posterolateral fusion.

    1.) You only do posterolateral fusion on non tlif side correct? Do you use BMP ?

    2.) What are your thoughts on retractable boomerang cage ?

    I was just reading about sperry guy’s non fusion story on here regarding his non fusion with MIS TLIF using retractable cage. Doesn’t sound like it is worth taking the risk.

    Donald Corenman, MD, DC
    Moderator
    Post count: 8660

    I would agree with you regarding the lack of posterolateral fusion.

    In a “standard” TILF (one without an isthmic spondylolisthesis) I only perform the posterolateral fusion on the non-TLIF side. This is because I use BMP mixed with the bone graft and want to prevent BMP contact with the nerve root. This sequestration is easy on the non TLIF side as there is facet, lamina and ala all there to “hold” the BMP/auto-bone mixture away from the nerve root. There is not enough bone graft to cover both sides generally.

    However, in an isthmic spondylolisthesis, there is an abundance of bone graft due to the entire lamina which is separated from the pars. The lamina here has no function so it is removed and used for graft. What I do is place the BMP/bone mixture on the non-TLIF side where the remaining S1 facet is present to sequester the bone. With all the extra bone that is not mixed with BMP, I place this bone on the TLIF side. Generally, I get a fusion here but there is no BMP to irritate the nerve.

    Any cage that has a retractable mechanism is a problem in my opinion. You want as much surface area of bone as possible to expose to the two endplates. These mechanisms “take up space” that is valuable for biological fusion. There is no need for these mechanisms in my opinion.

    Dr. Corenman

    PLEASE REMEMBER, THIS FORUM IS MEANT TO PROVIDE GENERAL INFORMATION ON SPINE ANATOMY, CONDITIONS AND TREATMENTS. TO GET AN ACCURATE DIAGNOSIS, YOU MUST VISIT A QUALIFIED PROFESSIONAL IN PERSON.
     
    Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.
    Renee123
    Participant
    Post count: 130

    I believe there is a lack of bone for posterlateral fusion with MIS TLIF because surgeon is not removing the facet joints as in the open TLIF. The surgeon jsut removes the pars fractures on either side.

    Does this sound accurate ?

    IF you read sperryguy on your forum he had non fusion for the same reason. No gutter fusion and retractable cage was used. Kind of a stupid way to do the surgery in my opinion, Why take the risk?

    In any event, when you start questioning details of the surgery like this with a surgeon they generally get angry and try to get rid of you. I have found that spine surgeons do not like to be told how to do the surgery. Even the most reputable.

    Your method of open TLIF is the most conservative and logical that I have found. I have found couple other surgeons that do the same and they have great results.

    Donald Corenman, MD, DC
    Moderator
    Post count: 8660

    Surgeons are creatures of habit and many have learned a technique and have “stuck with it” during residency or fellowship. I would argue for my technique just as those surgeons would but I have had to use trial and error for many years to figure out the most effective technique. This included opposite side surgery, the microscope during the decompression and TLIF cage insertion, the O-arm, small midline incisions and the use of BMP.

    If you don’t remove the facet joint, you cannot decompress the L5 root on either side. I would assume that they at least remove the facet but don’t remove the lamina.

    Dr. Corenman

    PLEASE REMEMBER, THIS FORUM IS MEANT TO PROVIDE GENERAL INFORMATION ON SPINE ANATOMY, CONDITIONS AND TREATMENTS. TO GET AN ACCURATE DIAGNOSIS, YOU MUST VISIT A QUALIFIED PROFESSIONAL IN PERSON.
     
    Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.
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