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Oluwaseun O. Akinduro, Brandon A. Miller, Diogo C. Haussen, Gustavo Pradilla, and Faiz U. Ahmad

OBJECT

The authors’ aim in this paper was to review the intraoperative use of epidural steroids in lumbar discectomy surgery with a focus on surgical complications.

METHODS

A comprehensive literature search was done using PubMed, MEDLINE, and the Cochrane Central Registry of Controlled Trials. Relevant papers were retrieved and analyzed. The authors performed a meta-analysis of all available data. Search terms included epidural, steroids, discectomy, lumbar disc surgery, herniated lumbar disc, methylprednisolone, and perioperative.The primary outcome was surgical complications such as wound infection or need for reoperation. Secondary outcomes were pain and postoperative narcotic usage.

RESULTS

Sixteen trials and 1 retrospective study (a total of 1933 patients) were eligible for inclusion in this study. In all studies, steroids were added epidurally over the nerve root before closure in cases, and control patients underwent discectomy alone. The mean age (42.7 years vs 42.4 years; RR 0.30 [95% CI −0.30 to 0.90], p = 0.32), overall complication rates (2.69% vs 1.18%; RR 1.94 [95% CI 0.72–5.26], p = 0.19), and infectious complication rates (0.94% vs 0.08%; RR 4.58 [95% CI 0.75–27.95], p = 0.10) were similar between the steroid group and control group, respectively.

CONCLUSIONS

There is good evidence that epidural steroids can decrease pain in the short term and decrease the usage of postoperative narcotics after lumbar spinal surgery for degenerative spinal disease. The authors’ results demonstrate a trend toward increased infection with epidural steroid use, but there was not a statistically significant difference. More studies are needed to validate the long-term risk/benefit ratio of epidural steroids in lumbar discectomy.

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Tito Vivas-Buitrago, Ricardo A. Domingo, Shashwat Tripathi, Gaetano De Biase, Desmond Brown, Oluwaseun O. Akinduro, Andres Ramos-Fresnedo, David S. Sabsevitz, Bernard R. Bendok, Wendy Sherman, Ian F. Parney, Mark E. Jentoft, Erik H. Middlebrooks, Fredric B. Meyer, Kaisorn L. Chaichana, and Alfredo Quinones-Hinojosa

OBJECTIVE

The authors’ goal was to use a multicenter, observational cohort study to determine whether supramarginal resection (SMR) of FLAIR-hyperintense tumor beyond the contrast-enhanced (CE) area influences the overall survival (OS) of patients with isocitrate dehydrogenase–wild-type (IDH-wt) glioblastoma after gross-total resection (GTR).

METHODS

The medical records of 888 patients aged ≥ 18 years who underwent resection of GBM between January 2011 and December 2017 were reviewed. Volumetric measurements of the CE tumor and surrounding FLAIR-hyperintense tumor were performed, clinical variables were obtained, and associations with OS were analyzed.

RESULTS

In total, 101 patients with newly diagnosed IDH-wt GBM who underwent GTR of the CE tumor met the inclusion criteria. In multivariate analysis, age ≥ 65 years (HR 1.97; 95% CI 1.01–2.56; p < 0.001) and contact with the lateral ventricles (HR 1.59; 95% CI 1.13–1.78; p = 0.025) were associated with shorter OS, but preoperative Karnofsky Performance Status ≥ 70 (HR 0.47; 95% CI 0.27–0.89; p = 0.006), MGMT promotor methylation (HR 0.63; 95% CI 0.52–0.99; p = 0.044), and increased percentage of SMR (HR 0.99; 95% CI 0.98–0.99; p = 0.02) were associated with longer OS. Finally, 20% SMR was the minimum percentage associated with beneficial OS (HR 0.56; 95% CI 0.35–0.89; p = 0.01), but > 60% SMR had no significant influence (HR 0.74; 95% CI 0.45–1.21; p = 0.234).

CONCLUSIONS

SMR is associated with improved OS in patients with IDH-wt GBM who undergo GTR of CE tumor. At least 20% SMR of the CE tumor was associated with beneficial OS, but greater than 60% SMR had no significant influence on OS.