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Issue title: Special Section: Enabling Technologies for Healthcare 5.0
Guest editors: Chi Lin, Chang Wu Yu and Ning Wang
Article type: Research Article
Authors: Li, Chenxia | Li, Jianb; * | Lu, Yaoa | Hou, Jiahuia | Zhi, Zhaoyua | Zhao, Baocuna | Zhang, Xiumeia
Affiliations: [a] Physical Diagnosis Department, Beidahuang Group General Hospital, Harbin, Heilongjiang, China | [b] Radiotherapy Department, Beidahuang Group General Hospital, Harbin, Heilongjiang, China
Correspondence: [*] Corresponding author: Jian Li, Radiotherapy Department, Beidahuang Group General Hospital, Harbin, Heilongjiang, China. E-mail: [email protected].
Abstract: BACKGROUND: Volumetric modulated arc therapy (VMAT) guided by ultrasound is a novel radiation therapy technique that facilitates the delineation of the tumor target area under image guidance, enhancing the precision of radiation therapy and maximizing the protection of surrounding tissues. OBJECTIVE: The objective of this paper is to investigate the effectiveness of VMAT under ultrasonic guidance for cervical cancer patients and its impact on radiotherapy dosage and prognosis. METHODS: A retrospective analysis encompassed 128 instances of cervical cancer patients who were admitted to our medical facility between April 2019 and April 2021. The patients were categorized into an observation cohort and a control cohort, depending on variations in treatment modalities post-admission. The control group underwent conventional radiotherapy, whereas the observation group received VMAT guided by ultrasound. Clinical efficacy, average radiation dosages (in the radiotherapy target area, rectum, and bladder), radiotherapy-related toxicities during treatment, and one-year survival rates were compared between the two groups. Additionally, variances in pre- and post-treatment serum levels of squamous cell carcinoma antigen (SCC-Ag), carcinoembryonic antigen (CEA), and carbohydrate antigen 724 (CA724) were subjected to assessment. RESULTS: When compared to the control group (64.52%), the observation cohort’s comprehensive effectiveness rate was considerably greater (80.30%). The observation group saw lower average radiation exposures and a reduction in the post-treatment concentrations of CEA, SCC-Ag, and CA724. The overall incidence of adverse effects from radiation treatment also declined. The observation group had a greater one-year survival rate (90.48%) than the control group (73.33%). When comparing the observation cohort to the control group, Kaplan-Meier survival analysis showed a significantly higher one-year survival rate (Log-Rank = 6.530, P= 0.011). CONCLUSION: VMAT guided by ultrasound for patients with cervical cancer demonstrates promising short- and long-term treatment outcomes. It also leads to improvements in serum CEA, SCC-Ag, and CA724 levels, as well as reductions in the average radiation dosages to the radiotherapy target area, rectum, and bladder. This approach warrants attention from clinicians in clinical practice.
Keywords: Cervical cancer, intensity-modulated radiation therapy, ultrasound, radiation dosage, prognosis
DOI: 10.3233/THC-231977
Journal: Technology and Health Care, vol. 32, no. 6, pp. 4857-4868, 2024
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