Laurie's Blog


20 Jun 2020

Just a bunch of research articles related to IVDD surgery

I’ve collected a number of research articles that I think the conclusion is the best part, or the only part we need to know as rehab professionals.  So here goes!


1.Upchurch DA, Renberg WC, Turner HS, McLellan JG. Effect of Duration and Onset of Clinical Signs on Short-Term Outcome of Dogs with Hansen Type I Thoracolumbar Intervertebral Disc Extrusion. Vet Comp Orthop Traumatol. 2020;33(3):161‐166.


Delay from initial clinical signs of intervertebral disc extrusion to surgery is unlikely to affect the ultimate outcome or the length of time for a dog to regain pain sensation, urinary continence or ambulation. The rate of onset of signs likewise does not influence these outcomes.



2.Barandun MA, Bult S, Demierre S, Vidondo B, Forterre F. Colder Ambient Temperatures Influence Acute Onset Canine Intervertebral Disc Extrusion. Front Vet Sci. 2020;7:175.


Multivariable logistic regression analysis identified an increased occurrence of intervertebral disc disease during colder temperatures. Our results are congruent with those of human studies which have shown that lower ambient temperatures are associated with more pain and increased risk for muscle injuries.



3.Bruno E, Canal S, Antonucci M, et al. Perilesional photobiomodulation therapy and physical rehabilitation in post-operative recovery of dogs surgically treated for thoracolumbar disk extrusion. BMC Vet Res. 2020;16(1):120. Published 2020 Apr 25. doi:10.1186/s12917-020-02333-3


All dogs treated with laser therapy showed improved neurological status (Modified Frankel Score more than 3 within 30 days of physiotherapy starting) if deep nociception on admission was maintained (P = 0.04). However, Kaplan-Meier analysis did not show any statistical difference in time to regain ambulatory ability, although there was a tendency for a shorter mean time of 14.2 ± 8.55 days in the laser group versus 24 ± 18.49 days in the no laser group.


•Rehab included UWT, soft tissue treatments, PROM, & limb stretching progressing to proprioception and balance exercises, sit to stand exercises, cavaletti rails, and underwater treadmill.

•Laser was applied with a pre-set program for IVD disease in dogs, using the Multiwave Locked System (MLS®) (808 nm and 905 nm-wavelength continuous and pulsated, synchronized and combined emissions), with 50% of duty cycle, 18 Hz of frequency and an energy density of 4 J/cm2.   (Applied daily for a minimum of 14 days).



4.Martin S, Liebel FX, Fadda A, Lazzerini K, Harcourt-Brown T. Same-day surgery may reduce the risk of losing pain perception in dogs with thoracolumbar disc extrusion [published online ahead of print, 2020 May 27]. J Small Anim Pract. 2020;10.


This study suggests that an overnight delay before spinal decompression increases the risk of clinically meaningful deterioration in dogs unable to walk following thoracolumbar disc extrusion.  


Five of the seven dogs that lost pain perception in the early surgery group recovered pain perception by 3 weeks post-operatively, compared to eight of 14 in the delayed group.



There you go.  I’m just the messenger!  Interesting how study 1 and 4 seem to contradict each other!  Maybe there is no 100% right answer!  Or maybe it’s a factor of time.  Anyways, they’re all interesting to me!  Hope you find them interesting as well.


Cheers!   Laurie


Tags: Neuro , neurologic , IVDD , disc , disk , intervertebral , surgery

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