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In this study, the authors investigated factors for predicting the time required for recovery from paralysis after SMA resection.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>Data from 20 cases were analyzed. All 20 patients (mean age 54.9 \u00b1 12.6 years) had undergone resection of frontal lobe glioma involving the SMA. The severity of postoperative paralysis was recorded until complete recovery using the Brunnstrom recovery stage index. To investigate factors associated with recovery time, the authors performed multivariate analysis with the following potentially explanatory variables: age, severity of paralysis after the surgery, resected volume of the SMA, and probability of disconnection of fibers running through or near the SMA. Moreover, voxel-based lesion symptom analysis was performed to clarify the resected regions related to prolonged recovery.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>In most cases of severe to moderate paralysis, there was substantial improvement within the 1st postoperative week, but 2\u20139 weeks were required for complete recovery. Significantly delayed recovery from paralysis was associated with resection of the cingulate cortex and its deep regions. The factors found to influence recovery time from paralysis were stage of paralysis at postoperative day 7 and disconnection probability of the cingulum (adjusted R<jats:sup>2<\/jats:sup> = 0.63, p &lt; 0.0001).<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>Recovery time from paralysis due to SMA syndrome can be predicted by the severity of paralysis at postoperative day 7 and degree of damage to the cingulum.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2018.10.jns182391","type":"journal-article","created":{"date-parts":[[2019,2,27]],"date-time":"2019-02-27T00:15:01Z","timestamp":1551226501000},"page":"865-874","source":"Crossref","is-referenced-by-count":36,"title":["Recovery time from supplementary motor area syndrome: relationship to postoperative day 7 paralysis and damage of the cingulum"],"prefix":"10.3171","volume":"132","author":[{"given":"Riho","family":"Nakajima","sequence":"first","affiliation":[{"name":"Department of Occupational therapy, Faculty of Health Sciences;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masashi","family":"Kinoshita","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tetsutaro","family":"Yahata","sequence":"additional","affiliation":[{"name":"Department of Physical Medicine and Rehabilitation, Kanazawa University Hospital, Kanazawa, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mitsutoshi","family":"Nakada","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University; and"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"Suppl 3","key":"b1","series-title":"Neurosurgery","first-page":"447","article-title":"Recurrent supplementary motor area syndrome following repeat brain tumor resection involving supplementary motor cortex","volume":"11","author":"Abel TJ","year":"2015","unstructured":"Abel TJ, Buckley RT, Morton RP, Gabikian P, Silbergeld DL: Recurrent supplementary motor area syndrome following repeat brain tumor resection involving supplementary motor cortex. 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