Definitions of unfavorable surgical outcomes and their risk factors based on disability score after spine surgery for lumbar spinal stenosis

Autor: Gang-Un Kim, Jiwon Park, Ho-Joong Kim, Feng Shen, Jaewoo Cho, Bong-Soon Chang, Choon-Ki Lee, Heoung-Jae Chun, Jin S. Yeom
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: BMC Musculoskeletal Disorders, Vol 21, Iss 1, Pp 1-9 (2020)
Druh dokumentu: article
ISSN: 1471-2474
DOI: 10.1186/s12891-020-03323-0
Popis: Abstract Background Risk factors for unfavorable surgical outcomes are dependent on the definitions of the unfavorable surgical outcomes. The aims of this study were to compare risk factors for each unfavorable surgical outcome according to two different definitions of “unfavorable” surgical outcomes after surgery for lumbar spinal stenosis (LSS) as well as compare the clinical course from the preoperative period to 3 years postoperatively between cases with favorable and unfavorable outcomes according to the two different definitions. Methods Overall, 295 patients who underwent spine surgery for LSS and a follow-up evaluation at 3 years postoperatively were enrolled and divided into favorable and unfavorable groups, based on two different definitions for unfavorable surgical outcomes, as evaluated at 12 months postoperatively: the patient-reported outcome (PRO) and minimal clinically important difference (MCID) methods. In the PRO method, patients with a postoperative Oswestry Disability Index (ODI) score > 22 were considered as having an “unfavorable” outcome, whereas in the MCID method, those with a postoperative ODI score that changed 22 after surgery for LSS. It may also be associated with higher odds for improvements in the ODI score of > 12.8.
Databáze: Directory of Open Access Journals
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