期刊
JOURNAL OF NEUROLOGY
卷 263, 期 3, 页码 524-530出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00415-015-8016-9
关键词
Glioblastoma; Edema; Angiotensin receptor blockers; FLAIR; ADC
资金
- Association Oligocyte
- Association pour le developpement des neurosciences a Avicenne (ADNA)
- Assistance Publique-Hopitaux de Paris (AP/HP)
Glioblastoma patients often require chronic administration of steroids due to peri-tumoral edema. Preliminary studies showed that treatment with Angiotensin-II Receptor Blockers (ARBs) for high blood pressure might be associated with reduced peri-tumoral edema. In this study, we aim to radiologically assess the effect of ARBs on peri-tumoral edema. We conducted a cross-sectional survey on patients with newly diagnosed GBM. Patients treated with ARBs for high blood pressure were paired to non ARB-treated patients based on similar age, tumor location and tumor size. Patients taking steroids at the time of pre-operative Magnetic Resonance Imaging were excluded from the study. In each pair of patients, we compared the volumes of peri-tumoral hyper T2-Fluid Attenuated Inversion Recovery (FLAIR) signal and the Apparent Diffusion Coefficient (ADC) in the same area. Eleven (11) ARB-treated patients were selected and paired to 11 non ARB-treated controls. Volumes of peri-tumoral hyper T2-FLAIR signal were significantly lower in the ARB-treated group than in the non ARB-treated group (p = 0.02). Additionally, peri-tumoral ADCs were also significantly lower in the treated group (p = 0.02), suggesting that the peri-tumoral area in this group had less edematous features. These results suggest that ARBs may reduce the volume of peri-tumoral hyper T2-FLAIR signal by decreasing edema.
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