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Table 26.1 Summary of the recent studies evaluating surgical outcomes in dogs with DLSS.
Study Danielsson & Janssens et al. Jones et al. De Risio et al. Linn et al. Kinzel et al. Van Klaveren Godde & Suwankong Suwankong
̈

Sjöström (2000) [77] (2000) [42] (2001) [75] (2003) [72] (2004) [55] et al. (2005) [73] Steffen et al. (2007) et al. (2008)

(1999) [53] (2007) [56] [76] [74]
Design Retrospective Retrospective Prospective Retrospective Retrospective Retrospective Prospective Retrospective Prospective Retrospective
Outcome Medical records and Questionnaire Standardized obstacle Reevaluation at VTH, Medical records Medical records Force plate analysis Medical records, Force plate and Medical
assessment telephone interview course 6 months after by rDVM and owner follow up owner records (MR)
surgery questionnaire examinations questionnaire and owner
and owner questionnaire
telephone (OQ)
interviews
Technique Dorsal laminectomy/ Dorsal Dorsal laminectomy ± Dorsal laminectomy/ Dorsal Partial dorsal Dorsal laminectomy ± Lateral Dorsal Dorsal
discectomy ± laminectomy, foraminotomy and discectomy/ laminectomy ± laminectomy fenestration and foraminotomy ± laminectomy laminectomy ±
foraminotomy annulectomy facetectomy foraminotomy facetectomy, discectomy partial dorsal and discectomy discectomy,
and discectomy foraminotomy, laminectomy ± facetectomy,
discectomy, annulectomy foraminotomy
traction fusion
Number of 131 35 12 military working 69 29 military working 86 12 20 31 156
dogs dogs dogs
Normal 78.6% 53% 8 fit for full duty 38% 41% 3 propulsive 40% 50% NA
force = control dogs
Improved 18% 32% 3 not fit for full duty but 40% 38%, but 54.5% of 96.5% 7 propulsive force 55% 36% 79% MR
could do reduced duty this group recurred improved 76% OQ
Not improved 3.1% 15% 1 22% 21% 1.2% 2 propulsive force 1 9% 21% MR
decreased 24% OQ
Recurrence 18% 16% NA 3% 17% 2.4% NA NA 27% NA