We have only recently begun to understand how cancer metabolism affects antitumor responses and immunotherapy outcomes. Certain immunometabolic targets have been actively pursued in other tumor types, however, glioblastoma research has been slow to exploit the therapeutic vulnerabilities of immunometabolism. In this review, we highlight the pathways that are most relevant to glioblastoma and focus on how these immunometabolic pathways influence tumor growth and immune suppression. We discuss hypoxia, glycolysis, tryptophan metabolism, arginine metabolism, 2-Hydroxyglutarate (2HG) metabolism, adenosine metabolism, and altered phospholipid metabolism, in order to provide an analysis and overview of the field of glioblastoma immunometabolism.
OBJECTIVE
Patients increasingly utilize online physician review websites (PRWs) and social media to inform healthcare-related decisions. This provides neurosurgeons with opportunities for increased patient engagement. And despite the growing use of social media among neurosurgeons, the relationship between social media utilization and online reviews remains unknown. The goal of this study was to characterize the relationship between social media utilization and PRW ratings across academic neurosurgery departments.
METHODS
Social media accounts (Twitter, Facebook, YouTube, Instagram) of academic neurosurgery departments were identified. Online reviews for individual faculty were obtained from Healthgrades, Vitals, WebMD, and Google. Reviews were aggregated to identify the total number of reviews per department, to generate a composite departmental rating, and to calculate a summed departmental score. US News & World Report (USNWR) and Doximity rankings were recorded for each department. Social media utilization by individual neurosurgeons and associated ratings were investigated within the departments with the highest social media utilization.
RESULTS
Seventy-eight percent of academic neurosurgery departments utilized social media. The most prevalent platform was YouTube (49.1%), followed by Twitter (46.5%), Facebook (38.6%), and Instagram (16.7%). Higher patient ratings on PRWs were associated with the utilization of YouTube (p = 0.048) or Twitter (p = 0.02). The number of social media platforms utilized demonstrated a significant, positive correlation with patient ratings (p = 0.006) and summed patient ratings (p = 0.048). Although USNWR (p = 0.02) and Doximity (p = 0.0008) rankings correlated with patient ratings, only the number of social media platforms utilized remained a significant predictor of patient ratings on multivariate analysis (p = 0.0001). Thirty-one percent of academic neurosurgeons from departments with high social media utilization were active on social media. The most prevalent social media platform among individual neurosurgeons was Twitter (27.4%), followed by Instagram (8.4%), Facebook (4.9%), and YouTube (2.2%). Higher summed patient scores were associated with individual neurosurgeon utilization of YouTube (p = 0.04), Facebook (p < 0.0001), and Instagram (p = 0.01). Increased social media utilization among neurosurgeons was correlated with a greater number of patient reviews (p = 0.006) and higher summed patient scores (p = 0.003). On multivariate analysis, only Facebook use remained a significant predictor of the number of patient reviews received (p = 0.002) and summed patient satisfaction scores (p < 0.001).
CONCLUSIONS
An increased social media presence is associated with higher ratings on PRWs. As neurosurgeons continue to expand their online presence, they should be aware of the possible impact of social media on online patient reviews.
BACKGROUND:The management of intracranial oncological disease remains a significant challenge despite advances in systemic cancer therapy. Laser interstitial thermal therapy (LITT) represents a novel treatment for local control of brain tumors through photocoagulation with a stereotactically implanted laser fiber. Because the use of laser interstitial thermal therapy continues to increase within neurosurgery, characterization of LITT is necessary to improve outcomes. OBJECTIVE: To quantify the risk of tumor seeding along the laser fiber tract in patients receiving LITT for primary or metastatic brain tumors at a high-volume treatment center. METHODS: We retrospectively reviewed all patients receiving LITT from 2015 to 2021 at our medical center. Patients with biopsy-confirmed tumors were included in this study. Tract seeding was identified as discontinuous, newly enhancing tumor along the LITT tract. RESULTS: Fifty-six patients received LITT for biopsy-confirmed tumors from 2015 to 2021, with tract seeding identified in 3 (5.4%). Twenty-nine (51.8%) patients had gliomas, while the remainder had metastases, of which lung was the most common histology (20 patients, 74%). Tract seeding was associated with ablation proceeding inward from superficial tumor margin closest to the cranial entry point (P = .03). Patients with tract seeding had a shorter median time to progression of 1.1 (0.1-1.3) months vs 4.2 (2.2-8.6) months (P = .03). CONCLUSION: Although the risk of tract seeding after LITT is reassuringly low, it is associated with decreased progression-free survival. This risk may be related to surgical technique or experience. Follow-up radiosurgery to the LITT tract has the potential to prevent this complication.
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