Assaf Berger1,2, Ido Strauss3,4,5, Shlomit Ben Moshe3, Benjamin W Corn6,5, Dror Limon6,5, Nathan Shtraus6,5, Tal Shahar7, Andrew A Kanner8,5. 1. Department of Neurosurgery, Tel Aviv Medical Center, 6 Weizmann Street, 6423906, Tel Aviv, Israel. assaf.berger@gmail.com. 2. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. assaf.berger@gmail.com. 3. Department of Neurosurgery, Tel Aviv Medical Center, 6 Weizmann Street, 6423906, Tel Aviv, Israel. 4. Stereotactic Radiosurgery Unit, Tel Aviv Medical Center, Tel Aviv, Israel. 5. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. 6. Institute of Radiotherapy, Tel Aviv Medical Center, Tel Aviv, Israel. 7. Department of Neurosurgery, Shaare Zedek Medical Center, Jerusalem, Israel. 8. Department of Neurosurgery and Stereotactic Radiosurgery Unit, Rabin Medical Center, Petah Tikva, Israel.
Abstract
PURPOSE: Post-operative radiation therapy for brain metastases (BM) has become standard treatment. Concerns regarding the deleterious cognitive effects of Whole Brain Radiation Therapy spurred a trend to use focal therapies such as stereotactic radiosurgery (SRS). The purpose of this study was to prospectively evaluate the neuropsychological effects following post-resection SRS treatment since limited data exist in this context. METHODS: We conducted a prospective single arm cohort study of patients with 1-2 BM, who underwent resection of a single BM between May 2015 to December 2016. Patients were evaluated for cognitive functions (NeuroTrax computerized neuropsychological battery; Modiin, Israel) and quality of life (QOL; QLQ-30, QLQ-BN20) before and 3 months following post-resection SRS. RESULTS: Twelve out of 14 patients completed pre- and post-SRS neurocognitive assessments. Overall, we did not detect significant neurocognitive or QOL changes 3 months following SRS. In a subgroup analysis among patients younger than 60 years, median global cognitive score increased from a pre-treatment score of 88 (72-102) to 95 (79-108), 3 months following SRS treatment, p = 0.042; Wilcoxon paired non-parametric test. Immediate verbal memory and executive functions scores increased from 86 (72-98) to 98 (92-112) and 86 (60-101) to 100 (80-126), respectively, p = 0.043. No significant cognitive changes were discovered among patients at the age of 60 or older. CONCLUSIONS: Post-resection radiosurgery has a safe neuro-cognitive profile and is associated with preservation of nearly all quality of life parameters. Patients younger than 60 years benefit most and may even regain some cognitive functions within a few months after treatment.
PURPOSE: Post-operative radiation therapy for brain metastases (BM) has become standard treatment. Concerns regarding the deleterious cognitive effects of Whole Brain Radiation Therapy spurred a trend to use focal therapies such as stereotactic radiosurgery (SRS). The purpose of this study was to prospectively evaluate the neuropsychological effects following post-resection SRS treatment since limited data exist in this context. METHODS: We conducted a prospective single arm cohort study of patients with 1-2 BM, who underwent resection of a single BM between May 2015 to December 2016. Patients were evaluated for cognitive functions (NeuroTrax computerized neuropsychological battery; Modiin, Israel) and quality of life (QOL; QLQ-30, QLQ-BN20) before and 3 months following post-resection SRS. RESULTS: Twelve out of 14 patients completed pre- and post-SRS neurocognitive assessments. Overall, we did not detect significant neurocognitive or QOL changes 3 months following SRS. In a subgroup analysis among patients younger than 60 years, median global cognitive score increased from a pre-treatment score of 88 (72-102) to 95 (79-108), 3 months following SRS treatment, p = 0.042; Wilcoxon paired non-parametric test. Immediate verbal memory and executive functions scores increased from 86 (72-98) to 98 (92-112) and 86 (60-101) to 100 (80-126), respectively, p = 0.043. No significant cognitive changes were discovered among patients at the age of 60 or older. CONCLUSIONS: Post-resection radiosurgery has a safe neuro-cognitive profile and is associated with preservation of nearly all quality of life parameters. Patients younger than 60 years benefit most and may even regain some cognitive functions within a few months after treatment.
Entities:
Keywords:
Brain metastases; Cognition; Quality of life; Stereotactic radiosurgery
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