• Xuzheng Zuo, Yanting Chen, Yingying Zhu, Dong Pan, Xiaoming Rong, Qingyu Shen, Honghong Li, Yongteng Xu, and Yamei Tang.
• Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
• J Pain. 2024 Oct 1; 25 (10): 104612104612.

AbstractThe epidemiology and prognosis of radiation-induced chronic pain, especially chronic neuropathic pain (CNP), are the understudied domain among head and neck cancer (HNC) survivors after radiotherapy (RT). This study aimed to estimate the prevalence of such chronic pain, and explore its correlations with mental health, sleep disorders, cognitive function, and quality of life (QOL) within these patients. This research encompassed HNC survivors post RT. The determination of radiation-induced chronic pain and CNP adhered to the guidelines outlined by the International Association for the Study of Pain. Multivariable regression analyses were employed to explore the relationship between pain and anxiety, depression, sleep disturbances, cognitive function, and QOL. A total of 1,071 HNC survivors post RT were included in this study. The prevalence of radiation-induced chronic pain was 67.1%, and the prevalence of RT-associated CNP was 38.3%. Compared with those reporting no pain, patients with radiation-induced chronic pain had a significantly increased risk of anxiety, depression, and sleep disorders (all P < .001). And there was a significantly negative association between chronic pain and QOL across physiological (P < .001), psychological (P < .001), social relationships (P = .001), and environmental (P = .009) domains. Compared with non-CNP, patients with RT-related CNP had a higher risk of anxiety (P = .027) and sleep disorders (P = .013). The significantly negative associations were found between CNP and the physiological (P = .001), psychological (P = .012), and social score (P = .035) in World Health Organisation Quality of Life Assessment-Bref. This study underscores the substantial prevalence of chronic pain, particularly CNP, and its potential impact on the mental health, sleep, and QOL among HNC survivors post RT. PERSPECTIVE: This study highlights the high prevalence of radiation-induced chronic pain and CNP, and their potential impacts on anxiety, depression, sleep, and QOL among the HNC survivors. Clinically, these findings have important implications for improving the care and outcomes of HNC survivors.Copyright © 2024. Published by Elsevier Inc.

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