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Table 2 Overview of surgery details and clinical outcome in 12 dogs with lumbosacral degenerative stenosis (DLSS) that were treated with pedicle screw-rod fixation

From: Pedicle screw-rod fixation: a feasible treatment for dogs with severe degenerative lumbosacral stenosis

Dog Surgery Bone graft Clinical outcome (follow-up period) Griffith score
pre-op last FU
1 L7-S1: DL, PD, PSRF Bone L7 + S1 Excellent (4 yrs) 3 0
2 L7-S1: DL, PD, PSRF Bone L7 + S1 Excellent (4 yrs) 1 0
3 L7-S1: DL, PD, PSRF Bone L7 + S1 Excellent (3 yrs) 2 0
4 L7-S1: rDL, PD, PSRF & Distraction Bone iliac crest. Osteostixis EPs Improved (euth. 6 mo, heart disease) 2 2
5 L7-S1: rDL, PD, L Facetectomy, L Foraminotomy, Excision L7 nerve, PSRF Bone L7 + S1 Improved (euth. 15 mo, neoplasia) 3 3
6 L6-S1: DL, L7-S1: DL, PSRF Bone L7 + S1 Improved (1.5 years, euth. hemangiosarcoma) 2 0
7 L7-S1: DL, PD, L&R Facetectomy, PSRF & Distraction Bone L7 + S1 Excellent (1 yr) 1 0
8 L7-S1: DL, PD, PSRF Bone L7 + S1 Burring EPs Improved (euth. 8 mo) 3 1
9 L6-S1: DL, L7-S1: PD; L&R Facetectomy, PSRF & Distraction Bone L7 + S1 Excellent (6 mo) 1 0
10 L7-S1: rDL, PD, PSRF Bone L7 + S1 Excellent (6 mo) 2 0
11 L6-S1: DL, L7-S1: PD Bone L7 + S1 Excellent (11 mo) 1 0
PSRF & Distraction
12 rDL, Partial L Facetectomy, L Foraminotomy, PSRF None Excellent (6 mo) 1 0
  1. Excellent: resolution of clinical signs. Improved: decrease of clinical signs
  2. Abbreviations: DL dorsal laminectomy, rDL revision DL, PD partial discectomy, PSRF pedicle-screw rod fixation, L left, R right, EPs end plates, yrs years, mo months, euth. euthanized, FU follow-up