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Shuai Zhou, Chao Zhu, Shi Lei Chen, Jin Ang Li, Kang Lin Qu, Hao Jing, Yong Wang, Qing Pang, Hui Chun Liu Department of Hepatobiliary Pancreatic Surgery, Hepatobiliary Pancreatic Surgery, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233000, People’s Republic of ChinaCorrespondence: Hui Chun Liu; Qing PangDepartment of Hepatobiliary Pancreatic Surgery, Hepatobiliary Pancreatic Surgery, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233000, People’s Republic of ChinaEmail liuhcdoctor@126.com; portxiu2@126.comBackground: Pancreatic cancer is an aggressive malignant tumor of the digestive system and the fourth leading cause of tumor-related death. Intracavitary 125I seed irradiation has been recently developed as a therapy for locally advanced pancreatic head carcinoma. However, there are still many limitations, and more investigations are needed in order to optimize this new treatment method.Methods: Sixty-seven patients were included in our study; 41 cases treated by SEMS-CL-125I intracavular irradiation (SEMS-CL-125I group) and 26 cases treated by SEMS-CL-125I intracavular irradiation combined with 125I particle implantation in the tumor body (the combined group). Among the 67 patients, 43 were males and 24 were females, with an average age of 69.64± 8.84 years. Tumor site size was determined based on the MRI or CT imaging scans, and the number and radius of 125I particle placement were calculated according to a specific formula. 125I particles were inserted into the tumor with a radius of 1.5 cm and a row spacing of 1 cm. The main postoperative biochemical indexes, imaging analysis, postoperative analgesia degree, median survival time and rate of complications were compared between the two groups.Results: Jaundice and liver function improved in both groups after treatment for 6 months. The combined group did better. Kaplan–Meier analysis showed that patients in the combined group had a significantly better overall survival than those in the SEMS-CL-125I group. Patients in the combined group had less complications than those in the SEMS-CL-125I group (23.1% vs 34.1%), and the postoperative pain status of the combined group was improved (26.8% vs 53.8%).Conclusion: Compared with the SEMS-CL-125I intracavular irradiation alone, the combination of 125I seed implantation with solid tumor 125I seed implantation had a better therapeutic effect in LAPHC patients, with improved biochemical indicators, survival prognosis, pain relief, and fewer complications.Keywords: locally advanced pancreatic cancer, 125I, metal biliary stent |
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