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Impairment of the executive function in breast cancer patients receiving chemotherapy treatment: a functional MRI study

Impairment of the executive function in breast cancer patients receiving chemotherapy treatment:... The aim of this study is to investigate chemotherapy‐induced alterations in the functional framework of the brain, and probe the relationship between these changes and executive function impairments in breast cancer patients. Thirty‐three breast cancer patients (BC) after receiving chemotherapy and 31 matched healthy controls (HC) were enrolled in this study. All participants received resting‐state functional connectivity magnetic resonance imaging (rs‐fcMRI) and neuropsychological background tests. The lower functional connectivity of the posterior cingulate cortex (PCC) was found in the left postcentral gyrus, left precentral gyrus, right superior temporal gyrus, right cingulate gyrus and right middle frontal gyrus. A significant negative correlation was found between the response time on the Trail Making Tests and the functional connectivity strength between the PCC and right middle frontal and right cingulate gyri in breast cancer patients. In addition, the strength of the functional connectivity between the PCC and right middle frontal gyrus had a negative correlation with the response times on the Stroop Interference Test in breast cancer patients. This study demonstrated that BC patients after receiving chemotherapy have abnormal functional connectivity. These findings suggest that functional connectivity changes might play an important role in chemotherapy‐induced executive function impairments in breast cancer patients. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Cancer Care Wiley

Impairment of the executive function in breast cancer patients receiving chemotherapy treatment: a functional MRI study

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References (62)

Publisher
Wiley
Copyright
© 2017 John Wiley & Sons Ltd
ISSN
0961-5423
eISSN
1365-2354
DOI
10.1111/ecc.12553
pmid
27436790
Publisher site
See Article on Publisher Site

Abstract

The aim of this study is to investigate chemotherapy‐induced alterations in the functional framework of the brain, and probe the relationship between these changes and executive function impairments in breast cancer patients. Thirty‐three breast cancer patients (BC) after receiving chemotherapy and 31 matched healthy controls (HC) were enrolled in this study. All participants received resting‐state functional connectivity magnetic resonance imaging (rs‐fcMRI) and neuropsychological background tests. The lower functional connectivity of the posterior cingulate cortex (PCC) was found in the left postcentral gyrus, left precentral gyrus, right superior temporal gyrus, right cingulate gyrus and right middle frontal gyrus. A significant negative correlation was found between the response time on the Trail Making Tests and the functional connectivity strength between the PCC and right middle frontal and right cingulate gyri in breast cancer patients. In addition, the strength of the functional connectivity between the PCC and right middle frontal gyrus had a negative correlation with the response times on the Stroop Interference Test in breast cancer patients. This study demonstrated that BC patients after receiving chemotherapy have abnormal functional connectivity. These findings suggest that functional connectivity changes might play an important role in chemotherapy‐induced executive function impairments in breast cancer patients.

Journal

European Journal of Cancer CareWiley

Published: Jan 1, 2017

Keywords: ; ; ;

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