North American Spine Society Annual Meeting

North American Spine Society Annual Meeting

September 04, 2015
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Number of cages used in spinal deformity surgery associated with clinical benefits

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COPENHAGEN, Denmark — The number of cages used during an adult spinal deformity surgery is significantly associated with a patient’s clinical improvement and with the restoration of a balanced spine, according to data presented here.

“Patients treated with two or more cages demonstrated significantly greater sagittal and coronal correction, significantly better improvements in clinical outcomes and less neurological complications,” Vincent Fière, MD, said at the EuroSpine Annual Meeting.

The retrospective study of a multicenter prospective database included 60 patients who reached their 6-month follow-up. Overall, 33 patients received three or more cages and 27 patients received two or less cages. The approach, rod materials and diameter and number of levels fused posteriorly were similar between the two patient groups.

Patients who received three or more cages had greater pelvic incidence-lumbar lordosis correction (9°) vs. patients who received two or less cages (1.8°, P = .025). Also, the lumbar coronal correction favored patients with three or more cages (15.4° vs. 4.9°, P = .003), he said.

Fiere noted no significant differences between the two groups in proximal junctional kyphosis rates. – by Robert Linnehan

Reference:

Fière V, et al. Paper #40. Presented at: EuroSpine Annual Meeting; Sept. 2-4, 2015; Copenhagen, Denmark.

Disclosure: Fière reports he is a consultant for and receives royalties from Medicrea Clariance.