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Improved survival of glioblastoma patients treated at academic and high-volume facilities: a hospital-based study from the National Cancer Database.

Al's Comment:

 This shows what we already assumed:  getting treated in a academic center with a high volume of brain tumor patients will result in a better outcome.

Posted on: 02/23/2019

J Neurosurg. 2019 Feb 15:1-12. doi: 10.3171/2018.10.JNS182247. [Epub ahead of print]

Improved survival of glioblastoma patients treated at academic and high-volume facilities: a hospital-based study from the National Cancer Database.

Zhu P1,2, Du XL2, Zhu JJ1, Esquenazi Y1,3.
Author information
OBJECTIVEThe present study was designed to explore the association between facility type (academic center [AC] vs non-AC), facility volume (high-volume facility [HVF] vs low-volume facility [LVF]), and outcomes of glioblastoma (GBM) treatment.
METHODSBased on the National Cancer Database (NCDB), GBM patients were categorized by treatment facility type (non-AC vs AC) and volume [4 categories (G1-G4): < 5.0, 5.0-14.9, 15.0-24.9, and ≥ 25.0, cases/year]. HVF was defined based on the 90th percentile of annual GBM cases (≥ 15.0 cases/year). Outcomes include overall survival (OS), the receipt of surgery and adjuvant therapies, 30-day readmission/mortality, 90-day mortality, and prolonged length of inpatient hospital stay (LOS). Kaplan-Meier methods and accelerated failure time (AFT) models were applied for survival analysis, and multivariable logistic regression models were performed to compare differences in the receipt of treatment and related short-term outcomes by facility type and volume.
RESULTSA total of 40,256 GBM patients diagnosed between 2004 and 2014 were included. Patients treated at an AC & HVF experienced the longest survival (median OS: 13.3, 11.8, 11.1, and 10.3 months; time ratio [TR]: 1.00 [Ref.], 0.96, 0.92, and 0.89; for AC & HVF, AC & LVF, non-AC & HVF, and non-AC & LVF, respectively), regardless of care transition/treatment referral. Tumor resection, radiotherapy, and chemotherapy were most frequently utilized in AC & HVF. Prolonged LOS, 30-day readmission, and 90-day mortality were decreased by 20%, 22%, and 16% (p ≤ 0.001), respectively, at AC & HVF.
CONCLUSIONSThis study provides evidence of superior outcomes when GBM patients are treated at AC and HVF. Standardization of health care across facility type and/or volume and comprehensive neuro-oncological care should be a potential goal in the management of GBM patients.
AC = academic center; AFT = accelerated failure time; EOR = extent of resection; GBM = glioblastoma; GTR = gross-total resection; HVF = high-volume facility; IQR = interquartile range; LOS = length of inpatient hospital stay; LVF = low-volume facility; NCDB = National Cancer Database; National Cancer Database; OS = overall survival; PUF = participant user file; STR = subtotal resection; TR = time ratio; glioblastoma; hospital-based; oncology; overall survival; volume-based
PMID: 30771780 DOI: 10.3171/2018.10.JNS182247


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