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  • Donald Corenman, MD, DC
    Moderator
    Post count: 8660

    Sacroiliac pain is uncommon but slightly more common with a two level fusion (or sacralization and fusion above). Nonetheless, SI pain is distinctly uncommon. The way sacroiliac joint dysfunction causing pain is diagnosed is with an SI injection. See https://neckandback.com/conditions/sacroiliac-joint-pain-syndrome/ and
    https://neckandback.com/treatments/pain-diary-instructions-for-spinal-injections/.

    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.
    biofreeze
    Participant
    Post count: 99

    Re: Grade one spondylolisthesis at L5,S1

    My MRI states that I also have a “broad posterior and superior protrusion of the uncovered L5-S1 disc that has effect on the thecal sac and severe multifactorial bilateral L5-S1 foraminal compromise.”

    If a surgeon recommends ALIF 360 (perc screws) can the disc space be cleared out enough through the front so the disc is no longer indenting the thecal sac. I believe I also have an annular tear at this level.

    Thank you !

    Donald Corenman, MD, DC
    Moderator
    Post count: 8660

    The ALIF of L5-S1 in the face of a “grade one spondylolisthesis (isthmic?) at L5,S1” can be effective as this procedure distracts the disc space and indirectly can decompress the nerve root. In my opinion, the surgery should be performed from the back (TLIF) as the nerve is directly decompressed but the ALIF is an acceptable procedure for this disorder.

    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.
    biofreeze
    Participant
    Post count: 99

    Thank you, to be more specific, do you believe it is possible to get a full discectomy from the front of the spine with (ALIF). I have some surgeons say they can get full discectomy in order to decompress disc herniation at L5,S1 and some surgeons say they can not get far enough back to get full discectomy and will just leave it the disc bulge there because it is not causing any leg pain !?

    I know you do all posterior but thought I’d ask !

    Thank you !

    Donald Corenman, MD, DC
    Moderator
    Post count: 8660

    You can do a discectomy from the front during an ALIF but it is not easy and depending upon the anatomy, may not be possible. You may not have the angle to see through the disc space into the posterior canal (depending upon the sacral angle and where the pubis-front of the pelvic brim is located in relation to the disc space). Also, your working distance from the operative area is much longer. Working distance is the distance (sight line) between your eye and the target area. Microscopes significantly shorten the sight line but using a microscope is very difficult for an anterior approach and almost all ALIF surgeons do not use a microscope.

    Now, decompressing from the front is generally not done as distraction of the disc space is considered a good way to decompress the nerve roots. The disc is collapsed and distraction will open the nerve holes (foramen). This is called indirect decompression. Distraction does not work all the time but is satisfactory in many patients.

    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.
    biofreeze
    Participant
    Post count: 99

    Thank you. So what you are saying is that you can not clean out a disc herniation or disc bulge from the front of the spine using ALIF ??

    In my opinion, it would be ignorant for a surgeon to do an ALIF 360 with (perc screws) and leave a portion of a disc herniation with annular tear compressing the nerve root and thecal sac.

    This would seem to be common sense ! Am I missing something ??

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