{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,1,5]],"date-time":"2024-01-05T18:40:53Z","timestamp":1704480053405},"reference-count":24,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,11]]},"abstract":"<jats:sec><jats:title>OBJECTIVE<\/jats:title><jats:p>Iatrogenic spine injury remains one of the most dreaded complications of pedicle subtraction osteotomies (PSOs) and spine deformity surgeries. Thus, intraoperative multimodal monitoring (IOM), which has the potential to provide real-time feedback on spinal cord signal transmission, has become the gold standard in such operations. However, while the benefits of IOM are well established in PSOs of the thoracic spine and scoliosis surgery, its utility in PSOs of the lumbar spine has not been robustly documented. The authors\u2019 aim was to determine the impact of IOM on outcomes in patients undergoing PSO of the lumbar spine.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>All patients older than 18 years who underwent lumbar PSOs at the authors\u2019 institution from 2007 to 2017 were analyzed via retrospective chart review and categorized into one of two groups: those who had IOM guidance and those who did not. Perioperative complications were designated as the primary outcome measure and postoperative quality of life (QOL) scores, specifically the Parkinson\u2019s Disease Questionnaire\u201339 (PDQ-39) and Patient Health Questionnaire\u20139 (PHQ-9), were designated as secondary outcome measures. Data on patient demographics, surgical and monitoring parameters, and outcomes were gathered, and statistical analysis was performed to compare the development of perioperative complications and QOL scores between the two cohorts. In addition, the proportion of patients who reached minimal clinically important difference (MCID), defined as an increase of 4.72 points in the PDQ-39 score or a decrease of 5 points in the PHQ-9 score, in the two cohorts was also determined.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>A total of 95 patients were included in the final analysis. IOM was not found to significantly impact the development of new postoperative deficits (p = 0.107). However, the presence of preoperative neurological comorbidities was found to significantly correlate with postoperative neurological complications (p = 0.009). Univariate analysis showed that age was positively correlated with MCID achievement 3 months after surgery (p = 0.018), but this significance disappeared at the 12-month postoperative time point (p = 0.858). IOM was not found to significantly impact MCID achievement at either the 3- or 12-month postoperative period as measured by PDQ-39 (p = 0.398 and p = 0.156, respectively). Similarly, IOM was not found to significantly impact MCID achievement at either the 3- or 12-month postoperative period, as measured by PHQ-9 (p = 0.230 and p = 0.542, respectively). Multivariate analysis showed that female sex was significantly correlated with MCID achievement (p = 0.024), but this significance disappeared at the 12-month postoperative time point (p = 0.064). IOM was not found to independently correlate with MCID achievement in PDQ-39 scores at either the 3- or 12-month postoperative time points (p = 0.220 and p = 0.097, respectively).<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>In this particular cohort, IOM did not lead to statistically significant improvement in outcomes in patients undergoing PSOs of the lumbar spine (p = 0.220). The existing clinical equipoise, however, indicates that future studies in this arena are necessary to achieve systematic guidelines on IOM usage in PSOs of the lumbar spine.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2019.5.spine19125","type":"journal-article","created":{"date-parts":[[2019,7,26]],"date-time":"2019-07-26T22:57:48Z","timestamp":1564181868000},"page":"683-690","source":"Crossref","is-referenced-by-count":1,"title":["The efficacy of intraoperative multimodal monitoring in pedicle subtraction osteotomies of the lumbar spine"],"prefix":"10.3171","volume":"31","author":[{"given":"Jianning","family":"Shao","sequence":"first","affiliation":[{"name":"Cleveland Clinic Lerner College of Medicine and"},{"name":"Case Western School of Medicine, Case Western Reserve University; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maxwell Y.","family":"Lee","sequence":"additional","affiliation":[{"name":"Cleveland Clinic Lerner College of Medicine and"},{"name":"Case Western School of Medicine, Case Western Reserve University; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shreya","family":"Louis","sequence":"additional","affiliation":[{"name":"Cleveland Clinic Lerner College of Medicine and"},{"name":"Case Western School of Medicine, Case Western Reserve University; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Konrad","family":"Knusel","sequence":"additional","affiliation":[{"name":"Case Western School of Medicine, Case Western Reserve University; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bryan S.","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dominic W.","family":"Pelle","sequence":"additional","affiliation":[{"name":"Center for Spine Health, Neurological Institute, Cleveland Clinic, Cleveland, Ohio"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jason","family":"Savage","sequence":"additional","affiliation":[{"name":"Center for Spine Health, Neurological Institute, Cleveland Clinic, Cleveland, Ohio"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph E.","family":"Tanenbaum","sequence":"additional","affiliation":[{"name":"Case Western School of Medicine, Case Western Reserve University; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas E.","family":"Mroz","sequence":"additional","affiliation":[{"name":"Center for Spine Health, Neurological Institute, Cleveland Clinic, Cleveland, Ohio"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael P.","family":"Steinmetz","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery and"},{"name":"Center for Spine Health, Neurological Institute, Cleveland Clinic, Cleveland, Ohio"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"issue":"Suppl 1","key":"b1","series-title":"Eur Spine J","doi-asserted-by":"publisher","first-page":"S49","DOI":"10.1007\/s00586-014-3670-7","article-title":"Pedicle subtraction osteotomies (PSO) in the lumbar spine for sagittal deformities","volume":"24","author":"Berjano P","year":"2015","unstructured":"Berjano P, Aebi M: Pedicle subtraction osteotomies (PSO) in the lumbar spine for sagittal deformities. 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