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- Title
Chemotherapy-Related Cognitive Impairment in Patients with Breast Cancer Based on Functional Assessment and NIRS Analysis.
- Authors
Durán-Gómez, Noelia; López-Jurado, Casimiro Fermín; Nadal-Delgado, Marta; Pérez-Civantos, Demetrio; Guerrero-Martín, Jorge; Cáceres, Macarena C.
- Abstract
Background: Chemotherapy-related cognitive impairment (CRCI), or "chemobrain," isdefined as a phenomenon of cognitive deficits in cancer patients after chemotherapy and is characterized by deficits in areas of cognition, including memory, attention, speed of processing, and executive function, which seriously affect quality of life. The purpose of this study is to investigate the impact of CRCI in breast cancer (BC) patients in chemotherapy treatment (CT+) or not (CT−) and to analyze their relationship with detectable objective changes in cerebral activity during the execution of a phonological and semantic verbal fluency task (PVF and SVF). Methods: An observational, cross-sectional study was carried out at Badajoz University Hospital (Spain). A total of 180 women with BC were included. We used Cognitive Scale (FACT-Cog) for neuropsychological subjective assessment, obtaining scores of perceived cognitive impairment (PCI), and near-infrared spectroscopy system (NIRS) for neuropsychological objective assessment during a verbal fluency task (PVF and SVF), determining alterations in the prefrontal cortex (PFC) assessed as changes in regional saturation index (rSO2). Results: A total of 41.7% percent of the patients in the sample had PCI. CT+ was significantly associated with a worse impact in PCI ( X ¯ = 50.60 ± 15.64 vs. X ¯ = 55.01 ± 12.10; p = 0.005). Average rSO2 decreased significantly in CT+ ( X ¯ = 63.30 ± 8.02 vs. X ¯ = 67.98 ± 7.80; p < 0.001), and BC patients showed a significant decrease in PVF and SVF on average ( X ¯ = 41.99 ± 9.52 vs. X ¯ = 47.03 ± 9.31, and X ¯ = 33.43 ± 11.0 vs. X ¯ = 36.14 ± 10.68, respectively; p < 0.001). Conclusions: Our findings suggest that cognitive impairments in the domain of executive functioning exist among patients with BC who received CT. The results corroborate the hypothesis that CT is an important factor in cognitive impairment in patients with BC, which has been demonstrated by both subjective (PCI) and objective (PVF, SVF, and rSO2) neuropsychological measures. The combination of doxorubicin, cyclophosphamide, and docetaxel induce cognitive impairment.
- Subjects
EXECUTIVE function; FUNCTIONAL assessment; COGNITION disorders; CANCER patients; NEAR infrared spectroscopy; MONTREAL Cognitive Assessment
- Publication
Journal of Clinical Medicine, 2022, Vol 11, Issue 9, p2363
- ISSN
2077-0383
- Publication type
Article
- DOI
10.3390/jcm11092363