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The authors conducted a prospective longitudinal study from 2009 to 2016 to assess the short and long-term impact of a formal mentorship program on junior faculty satisfaction and productivity. Junior faculty mentees enrolled in the program and junior faculty without formal mentorship were administered surveys before and after the program to assess satisfaction with their mentoring experiences. Long-term retention, promotion, and funding data were also collected. Twenty-three junior faculty mentees and 91 junior faculty controls were included in the study. Mentees came from the Departments of Radiation Oncology and Anesthesia, Critical Care, and Pain Management. After participating in the mentorship program, mentees demonstrated an increase in satisfaction from baseline in five of seven domains related to mentoring, while controls experienced no significant change in satisfaction in six of the seven domains. At long-term follow up, mentees were more likely than controls to hold senior faculty positions (percent senior faculty: 47% vs. 13%, p = 0.030) despite no difference in initial administrative rank. When comparing the subset of faculty who were Instructors at baseline, mentees were more likely to be funded and/or promoted than controls (p = 0.030). A majority of mentees reported that the program strengthened their long-term success, and many maintained their original mentoring relationships and formed new ones, highlighting the strong culture of mentorship that was instilled. Several short-term and long-term benefits were fostered from this formal mentorship program. These findings highlight the potential impact of mentorship programs in propagating a culture of mentorship and excellence.

Seizures are a frequent complication of adult-type diffuse gliomas, and are often difficult to control with medications. Gliomas with mutations in isocitrate dehydrogenase 1 or 2 (IDHmut) are more likely than IDH–wild type (IDHwt) gliomas to cause seizures as part of their initial clinical presentation. However, whether IDHmut is also associated with seizures during the remaining disease course, and whether IDHmut inhibitors can reduce seizure risk, are unclear. Clinical multivariable analyses showed that preoperative seizures, glioma location, extent of resection, and glioma molecular subtype (including IDHmut status) all contributed to postoperative seizure risk in adult-type diffuse glioma patients, and that postoperative seizures were often associated with tumor recurrence. Experimentally, the metabolic product of IDHmut, d-2-hydroxyglutarate, rapidly synchronized neuronal spike firing in a seizure-like manner, but only when non-neoplastic glial cells were present. In vitro and in vivo models recapitulated IDHmut glioma–associated seizures, and IDHmut inhibitors currently being evaluated in glioma clinical trials inhibited seizures in those models, independent of their effects on glioma growth. These data show that postoperative seizure risk in adult-type diffuse gliomas varies in large part by molecular subtype, and that IDHmut inhibitors could play a key role in mitigating such risk in IDHmut glioma patients.