ArticleGalen medical journal2024
Effects of Neck Radiation Therapy on Carotid Arteries in Patients with Head and Neck Carcinoma.
Article in Galen medical journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
backgroundRadiotherapy is a main treatment modality for cancers of the head and neck (HNC). However, it can cause a number of complications, including carotid artery damage.This study aimed to determine the effect of head and neck radiotherapy on carotid Doppler ultrasound findings in patients with HNC treated at Imam Hossein University Hospital. MATERIALS AND
methodsThis research is a descriptive-longitudinal and prospective study conducted in 2022 on patients with HNC undergoing neck radiotherapy. In this study, before the initiation of radiotherapy, the patients underwent neck carotid artery Doppler ultrasound and various parameters including peak systolic velocity (PSV), end-diastolic velocity (EDV), internal carotid artery/common carotid artery (ICA/CCA) PSV, the number of plaques, intimal thickness, and percentage of carotid diameter stenosis, were recorded. The Doppler ultrasound was repeated six months later, addressing the same characteristics, and the collected data were compared.
resultsOf 49 investigated patients, 32 (65.3%) were male (mean age=59.46 years). PSV, EDV, and ICA/CCA ratios showed no statistically significant difference 6 months following the completion of radiotherapy compared to the initial investigation. On the other hand, the percentage of carotid artery stenosis, the middle intimal membrane thickness, and the number of vascular plaques increased significantly (P0.05).
conclusionCarotid artery stenosis due to radiotherapy seems to be a common complication; however, radiotherapy probably has minimal effects on other ultrasound parameters of carotid arteries including EDV, PSV, and ICA/CCA ratio.
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