{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T15:21:32Z","timestamp":1787757692359,"version":"build-2784847793"},"reference-count":42,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"6","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Postoperative peritumoral brain edema (PTBE) is the progressively exacerbating cerebral edema following meningiomas resection.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>The study aims to identify the predictive factors of postoperative PTBE.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>A retrospective study was conducted on the 117 cases of patients who underwent meningioma. The histopathological features of the tumors were re-assessed according to WHO 2016 classification. Clinical and pathohistological features were analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Thirteen patients (11.1%) were diagnosed having postoperative PTBE. Preoperative seizure (odds ratio [OR] = 6.125,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.039) and histological prominent nucleoli (OR = 3.943,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.039) were the independent risk factors for postoperative PTBE. Meningiomas with a parietal localization were more likely to develop postoperative PTBE (OR = 3.576,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.054). Brain invasion and large tumor volume did not increase complication rate. Preoperative edema index was significantly higher in brain invasive meningiomas (3.0 \u00b1 2.2 versus 1.8 \u00b1 1.7,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.001). Patients having moderate preoperative PTBE were prone to the complication (21.4% versus 7.9%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.100).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Preoperative seizure were the predictive factors for postoperative PTBE. Careful venous protection during the operation may be helpful, especially for tumors locating in the parietal lobe. Prominent nucleoli observed in postoperative pathology should warrant surgeons' attention. Comprehensive perioperative management is essential for these patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/0028-3886.333500","type":"journal-article","created":{"date-parts":[[2021,12,28]],"date-time":"2021-12-28T01:47:50Z","timestamp":1640656070000},"page":"1682-1687","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":10,"title":["Predictive Factors of Postoperative Peritumoral Brain Edema after Meningioma 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