Correlation motor weakness recovery time and time before surgery?

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gazpacho
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December 1, 2012 at 2:57 am

Post count: 1

#7513

Dear Dr Corenman,

I noticed that there doesn’t seem to be a good prediction on whether motor weakness / numbness will disappear after surgery. I had a large disc herniation at L5/S1 surgically removed 10 days ago. Prior to surgery, I was unable to stand on the left toes for two weeks, and the outside of the left foot was numb for the same amount of time. Pain increased until the point where it was unbearable, until surgery was performed. After surgery, the radiating pain was immediately gone, whereas motor weakness / numbness remained. I was told to be patient and give the nerve “enough time” to recover.
The question is: is there a correlation between the length of time the motor nerves were “pinched off” and the time they take to recover? Is it all luck? Is there any kind of statistics that could give me hope?
Thanks in advance.

Donald Corenman, MD, DC
Moderator

December 2, 2012 at 9:52 pm

Post count: 8660

#7522

You have asked the “million dollar” question. There is really noting in the literature that can answer this question and I am now gathering statistics on this subject to come up with some answers.

Generally, in my opinion, surgery should be performed sooner than later in the presence of lower extremity motor weakness. There are no guidelines that are helpful. I have never stratified motor weakness patients into making some wait one week, some wait two weeks and some wait six weeks. I try to get all of them into surgery within ten days of diagnosis and even sooner.

Now in the study I am currently undertaking, there are patients who have initially seen me from three days to three months after onset of motor weakness so I do have some variation of presentation to time of surgery. Hopefully, I will be able to use this data to determine some type of findings regarding time of injury to time of surgery.

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.

Llim
Member

January 3, 2013 at 2:43 pm

Post count: 1

#7674

Hi dr corenman,

My father resides over seas and has a slowly deteriorating weakness/ numbness in legs over the past 15 years, with his right leg being worse. His legs would be come number after short period of walking. In last 2 months, he had an episode of severe lower back pain after which his whole lower half of his body is now experiencing numbness even without moving. He has severe lumbar stenosis based on his MRI in L3-4-5 area. And moderate stenosis in L 2-3 area. He does have congenitally narrow spinal cord space to begin with. I have his MRI n X-rays taken 2 months prior together with your lumbar history form in soft copy and wanted to know if i can email them to you for surgery opinion. He is interested in x stop procedure combined with some other “minimally invasive procedure” which I’m not sure would be the right surgery for his case. He is also wondering if spinal cord stimulation implant can help with his lower leg numbness. He is currently waiting for me to get a few opinions on surgery options before he make the trip over for physical consultation and surgery in us. My concern is whether he has enough time to try out less invasive type surgery due to his current symptom escalation. I did speak with your medical assistant and am sending out cd copies of his MRI etc for your review. I’m just real worried about how delays will affect the ability of his nerves to recover. Thank you!

Donald Corenman, MD, DC
Moderator

January 4, 2013 at 2:08 am

Post count: 8660

#7677

With severe lumbar stenosis, there is a danger of developing chronic radiculopathy or arachnoiditis (see website for those two conditions) but the risk is not very high. Depending upon the severity of the stenosis, the risk is somewhere between 10-20%. Time of continuing compression may lead to a higher risk of those two conditions but there has never been a study to demonstrate that time dependancy.

I do use the X-stop but that is never my first consideration as it does not open the spinal canal. The X-stop is reserved for very sick patients who cannot tolerate an anesthetic and need to be awake for the procedure.

Spinal cord stimulation is reserved for those patients who have chronic radiculopathy or arachnoiditis. Your father would only be a candidate for stimulation if he already underwent the surgical decompression and had continued symptoms which is unlikely.

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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Donald Corenman, MD, DC

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81 reviews

Eric S

Sep 26, 2021

by Eric S on Donald Corenman, MD, DC

Successful pars repair at 46 years old

Back in November of 2018 (at 46 years old) I came from Vancouver BC to have a pars repair done with Dr. Donald Corenman at the Steadman Clinic in Vail Colorado. I'm finally posting this review nearly three years later in late 2021. The reason I waited so long was I wanted to know the final result before I posted my review. Unfortunately in that time Dr. Corenman has retired. Nevertheless, I want to post this review of Dr. Corenman and his staff at the Steadman Clinic in their excellent treatment of my L5 pars interarticularis.

I fractured my pars at age 42 back in 2014 when rolling on the gym floor, and was denied treatment by the Canadian healthcare system, probably due to my age. First my GP told me there was no surgical option for a pars defect, which was quite incorrect! I tried to live with it, but the symptoms worsened (periodic random spine slippage and weeks of resultant pain after just bending over to tie my shoe, so I eventually learned to mostly squat and hardly bend). When I finally consulted with Canadian spine surgeons, I was told they believed my pars defect had been congenital (since birth). This was absurd, considering I had done extreme martial arts (including jiu jitsu) for years prior, as well as 5 years of reinforcing steel full time in my 20s, probably the hardest job on the back you can find. No pars defect like mine would possibly have allowed this--ergo it was impossible that I had had the defect since birth. I did however have an asymptomatic congenital spina bifida occulta that made me more susceptible to a pars fracture. In 2014 in one instant, I went from having the strongest back people I knew said they'd ever seen, to being unable to safely bend over and tie my shoe without a non-negligible risk of my spine slipping randomly (which would lead to weeks of pain after each occurrence). This was due to the unilateral L5 pars defect, otherwise known as spondylolysis. It was when lying in pain on the floor 4 years later after maybe the 6th spine slippage event post injury, that I had had enough, and resolved to have surgery. If Canada's "universal health care" said no, I would make lemonade from lemons, and find the very best surgeon in the world at pars repairs. That was Dr. Donald Corenman. Dr. Corenman back in 2018 ran a website https://neckandback.com/ that dedicated many pages to the science of every aspect of pars repairs, from eligibility (good discs on MRI), to best surgical techniques (minimal open compared to minimally invasive), best imaging to use (i.e., O-Arm with Stealth imaging vs. older fluoroscopy), the ideal amount of BMP to use and why not use too much or too little, and much more, all to do with pars repairs, pages upon pages of his site just on the pars, with scientific references and his own extensive expert opinion. As a health research statistician, I was very impressed with this. It was in stark contrast to the websites of other spine surgeons which barely gave the pars a word or two, focusing almost exclusively on fusions. I had found the best surgeon in the world for pars repairs, and so after Dr. Corenman personally screened my MRI to ensure my discs were healthy, I booked the surgery.

Being 46 years old at the time of surgery in 2018, with a 4-year-old pars fracture from 2014 combined with a congenital SBO meant my pars fragment was somewhat atrophied, but it was "very solid", said Dr. Corenman in the operative report. Nevertheless, it was challenging with two things to fix, the pars and SBO, and OR time was around 4 hours. Recovery over the following months was guided by a very clear "Spine binder" from the Steadman Clinic with strict rules of "no BLT" (no bending, lifting or twisting), and illustrated physiotherapy guidelines. They even warned patients to avoid fish oil supplements, which could excessively dampen inflammation and hence slow bone healing. They answered many questions I had during months of recovery, with responses coming from the very supportive Lori Fugate (then director of Dr. Corenman's practice), and Ehrich Bean (then physician's assistant at the practice), as well as a couple calls with Dr. Corenman himself after two of the CT scans. Ehrich Bean offered great advice for taking the spine binder conservatively due to the nature of pars repairs vs. fusions. The final post-op CT scan I had was a couple weeks ago at 34 months post-op, and Dr. Corenman had retired, but I got a very positive and informative call from Eric Strauch (current PA at the Steadman Clinic under Dr. Corenman's replacement there, and who had also worked with Dr. Corenman previously). The staff at the Steadman Clinic were extremely supportive all the way through the process. I should mention, the local Canadian spine surgeon did offer me very good post-operative support including antibiotics as needed to deal with a mild surface incision-site infection early on, booking numerous x-rays when I felt something was amiss, as well as booking all four of my post-op CT scans. I am very grateful for that support also.

My final result shows plenty of solid bone across the pars and a healed SBO, with my vertebral body now a solid bone ring instead of being broken at two places as it was pre-op. Does my spine hold up in the real world? You bet! I have recently dug and moved several yards of dirt and sand and gravel by myself (shovel and wheelbarrow!) to fix our water main, pulled roots from the yard, moved several "portable" (these are HUGE) air conditioners up several flights of stairs my myself, and lifted weights. I now run 2 miles (3.2 KM) several times weekly with a hard 100 meter dash in the middle. I bend deeply before each run I go on, with no spine slippage. My spine feels amazing. I can bend over to do exercise, or real word tasks, with no risk of spine slippage.

My sincere thanks to God, Dr. Donald Corenman, Lori Fugate, Ehrich Bean, Eric Strauch, and the Steadman Clinic, as well as the Canadian spine surgeon who offered me excellent post-operative care back in Canada. You have all given me a new lease on life.

Sincerely,
Eric S

Robert S

May 11, 2021

by Robert S on Donald Corenman, MD, DC

Back Fusion Surgery

I had my entire lumbar spine fused in November of 2018. I had scoliosis , with pinched nerves that were so painful I could hardly walk - and standing for more than a few minutes was impossible. Even sitting was painful.
The fusion surgery produced immediate relief! And the recovery was much easier than I expected.
To this day I can do all the activities I love from hiking, to standing in a stream fly fishing to riding my bike long distances - or just walking down the street with my wife.
Kudos to Dr. Corenman and his staff, (including the two Erics) for taking such good care of me!

Leslie R

Jul 9, 2020

by Leslie R on Donald Corenman, MD, DC

TLIF

I had my TLIF surgery on 6/24/2020 by Dr. Corenman, I can not say enough good things about the Dr or his staff. I was always treated with respect and explained everything throughly, that made it easy for everyone to understand. I highly recommend Dr. Corenman and the Steadman Clinic.

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