Tagged: residual leg pain after a TLIF
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Well said. Thank you. What about spondylolisthesis ? Facets are being removed, correct ? Is there any issue with BMP in a posterolateral fusion without facets for spondylolisthesis ?
“Bone can “clog up” the foramen in a TLIF (but not in a posterolateral fusion) if not used properly. The dose for a posterolateral fusion only I am still working on but 2-3mg per level seems to be effective.”
Are you saying bone can clog up foramen from intradisc BMP use growing into the foramin ?
Are you using 2-3 mgs on either side or combined ?
If I were concerned about BMP would it be best to just use for the posterolateral fusion and not in the disc space?
Sorry for all the questions. I may just perform the surgery on myself :) !
I assume you are talking about an isthmic spondylolisthesis where the inferior facets are “disconnected” due to the pars fractures and are generally removed during surgery (the Gill procedure). If you are talking about a degenerative spondylolisthesis, the facets remain and the question would not apply.
I always perform a posterolateral fusion even with a Gill procedure. Even though the facets are generally gone (the superior facet on the non-TLIF side is still present), the transverse processes (or ala of the sacrum) is still present and I get great fusion masses in these areas. I have yet to see a problem with a posterolateral fusion using BMP and I have about 1000 cases under my belt.
Yes, bone can grow into the foramen after a TLIF if BMP is not used properly. There are patients I have seen as a second opinion who had bone grow into the foramen without the use of BMP.
I generally use about 2-3mg combined over both sides in a posterolateral fusion and only on the non-TLIF side in a TLIF fusion. If you were very concerned about the surgeon, you could use BMP only in the posterolateral non-TLIF side however BMP in the disc space is highly effective.
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.yes, I have isthmic spondylolisthesis….so to be clear you only use BMP on the non TLIF side for posterolaterlal fusion of 2-3 mgs and just bone from the Gill on the TLIF side ?
What can be done if bone does grow in the formamen or anyhwere else for that matter where bone shouldn’t be ?
Thank you again
In the posterolateral position, I use BMP with bone on the side of the preserved superior articular facet (the non-TLIF side) and bone graft without BMP on the posterolateral TLIF side. I do use BMP in the disc space in front of the cage as I noted earlier.
Bone that grows into the area of the nerve root can be removed in a second operation once the fusion is solid.
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.I was reading through this and was just curious… Would this mean that the non-TLIF side with the BMP would fuse faster than the TLIF side without BMP for posterolateral fusion ? Can this lead to a problem ??
Sound like TLIF really isn’t something that should be done without BMP !
I think a TLIF can be performed well without BMP as any fusion can.in fact, I perform my cervical fusions with only autograft or allograft and these surgeries fuse at a high percentage and even quicker than lumbar fusions with BMP fuse. The difference is that there is only a small pressure load for cervical fusions and the graft almost fully fills the disc space. With a lumbar fusion, the bone has to grow across the disc space and that takes time.
In a TLIF, I typically do not place BMP in a posterolateral position on the TLIF side just to prevent any BMP from coming into contact with a nerve root. Yes-it takes longer to fuse and occasionally does not fuse on the TLIF side but that has no bearing on the success of the procedure.
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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