What’s New in Spine Surgery 2018

Spine_Graphic for OBuzzEvery month, JBJS publishes a Specialty Update—a review of the most pertinent and impactful studies published in the orthopaedic literature during the previous year in 13 subspecialties. Click here for a collection of all OrthoBuzz Specialty Update summaries.

This month, OrthoBuzz asked Chad Krueger, MD, JBJS Deputy Editor for Social Media, to select the five most clinically compelling findings from among the more than 25 studies cited in the June 20, 2018 Specialty Update on Spine Surgery.

Cervical Spine
—A Level-III retrospective analysis found that patients who received a preoperative cervical epidural steroid injection prior to an anterior cervical discectomy and fusion or a posterior cervical fusion had a significantly greater risk of postoperative infection than those who did not receive a preoperative steroid injection.1 Prospective studies are needed to further clarify the perioperative infection risk associated with cervical epidural steroid injections.

Lumbar Spine
—A Level-II randomized pilot trial comparing titanium-coated PEEK interbody spacers with non-coated PEEK spacers among 40 patients who underwent transforaminal lumbar interbody fusion found that patients in both groups had 92% fusion at 3 months, with no significant between-group differences in pain and disability outcomes.2

—A Level-II randomized study of 108 patients who underwent lumbar discectomy compared outcomes among those who experienced 2 weeks versus 6 weeks of postoperative activity restriction. At the 1-year follow-up there was a nonsignificant difference in recurrent herniation (11% in the 2-week group versus 7% in the 6-week group) and no significant between-group differences in pain or disability scores.3

RF Ablation for Chronic Low Back Pain
—A Level-II meta-analysis involving 454 patients with chronic low back pain found that those who underwent radiofrequency (RF) lumbar-facet denervation had significantly reduced VAS back pain compared to a group that underwent a sham procedure or epidural block. Those in the denervation group who benefited most were those who had responded favorably to an initial diagnostic facet block.4

Adolescent Idiopathic Scoliosis
—A Level-II study assessing the ability of surface topography to evaluate spinal deformity in children with adolescent idiopathic scoliosis followed 45 patients for 1 year. This method plus radiography allowed researchers to determine mild curves with strong negative predictive value and sensitivity. The authors estimated that surface topographic analyses could reduce patient exposure to ionizing radiation by eliminating 31% of surveillance radiographs in these patients.5

References

  1. Cancienne JM, Werner BCPuvanesarajah VHassanzadeh HSingla AShen FHShimer ALDoes the timing of preoperative epidural steroid injection affect infection risk after ACDF or posterior cervical fusion?Spine (Phila Pa 1976). 2017 Jan 15;42(2):71-7.
  2. Rickert M, Fleege CTarhan TSchreiner SMakowski MRRauschmann MArabmotlagh MTransforaminal lumbar interbody fusion using polyetheretherketone oblique cages with and without a titanium coating: a randomised clinical pilot studyBone Joint J.2017 Oct;99-B(10):1366-72.
  3. Bono CM, Leonard DACha TDSchwab JHWood KBHarris MBSchoenfeld AJThe effect of short (2-weeks) versus long (6-weeks) post-operative restrictions following lumbar discectomy: a prospective randomized control trialEur Spine J.2017 Mar;26(3):905-12. Epub 2016 Nov 2.
  4. Lee CH, Chung CKKim CHThe efficacy of conventional radiofrequency denervation in patients with chronic low back pain originating from the facet joints: a meta-analysis of randomized controlled trialsSpine J.2017 Nov;17(11):1770-80. Epub 2017 May 30.
  5. Hong A, Jaswal NWestover LParent ECMoreau MHedden DAdeeb SSurface topography classification trees for assessing severity and monitoring progression in adolescent idiopathic scoliosisSpine (Phila Pa 1976).2017 Jul 1;42(13):E781-7.

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