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find Author "WU Zhiyuan" 3 results
  • Current status and progress of interleukin-6 in Takayasu arteritis

    ObjectiveTo summarize the research status and progress of interleukin-6 (IL-6) in Takayasu arteritis (TAK). MethodRecent literature published at home and abroad about the study of IL-6 in the TAK was reviewed and analyzed. ResultsIL-6 was a pro-inflammatory cytokine secreted by a variety of cells, which participated in a variety of inflammatory and immune reactions, and played an important role in the progress of TAK. The expression levels of IL-6 in the peripheral blood and vascular wall tissues of patients with TAK were increased. The gene polymorphism of IL-6 might be related to the occurrence of TAK. Tocilizumab, an IL-6 receptor antagonist, was effective and safe in the treatment of TAK. ConclusionsIL-6 can be used as one of the monitoring indicators for the active phase and recurrence of TAK. IL-6 receptor antagonist can be used as the treatment choice of TAK, but the application results in different stages of TAK are still worth expecting.

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  • Synchronous biopsy followed by radiofrequency ablation in lung tumors: A clinical analysis of a single center

    ObjectiveTo explore the application value of synchronous CT-guided percutaneous biopsy followed by radiofrequency ablation in the diagnosis and treatment of lung tumors. MethodsThe clinical data of 21 patients with lung tumors were retrospectively analyzed. There were 8 males and 13 females aged 68 (51, 73) years. A total of 24 lesions underwent CT-guided percutaneous biopsy and concurrent radiofrequency ablation. The effectiveness and safety of this protocol were analyzed. ResultsAll 21 patients successfully completed the procedures. The diameter of 24 lesions was 17.0 (13.3, 19.0) mm. Biopsy specimens met the requirements of pathological diagnosis, and the effectiveness of specimens was 100.0%. The incidence of small amount of pneumothorax/pleural shrinkage after procedures was 19.0% (4/21) and the incidence of tension pneumothorax was 4.7% (1/21). There was no obvious bleeding or other complications.ConclusionSynchronous CT-guided percutaneous biopsy followed by radiofrequency ablation combines two interventional techniques, which is safe and effective in the diagnosis and treatment of lung tumors, and it is worthy of popularization and application in clinic.

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  • Predictive value of the neutrophil-to-lymphocyte ratio in peripheral blood for complications after elective endovascular repair of abdominal aortic aneurysm

    Objective To explore the predictive value of neutrophil-to-lymphocyte ratio (NLR) in peripheral blood for postoperative complications of elective endovascular repair for abdominal aortic aneurysm (AAA). Methods From August 2016 to November 2021, the clinical data of patients with AAA who received endovascular isolation repair for the first time in the Department of Vascular Surgery of Beijing Hospital were retrospectively analyzed, including the basic information of the patients, comorbid diseases, and the largest diameter of AAA, preoperative blood labotry test, postoperative complications, long-term survival rate and other indicators. The optimal NLR in peripheral blood was determined, and the differences in postoperative complications and long-term survival rates between the high NLR group and the low NLR group were analysed. Results A total of 120 patients with AAA underwent endovascular isolation for the first time were included in this study, including 105 males and 15 females. The age ranged from 52 to 94 years, with an average of (73.3 ± 8.26) years. The largest diameter of abdominal aortic aneurysm was 35 to 100 mm, with an average of (58.5 ± 12.48) mm. The best cut-off value of NLR for predicting postoperative complications of AAA was 2.45 by using Yoden index screening. Those with NLR ≥2.45 were in the high NLR group (n=66), and those with NLR <2.45 were in the low NLR group (n=54). There was no statistically significant difference between the two groups in the incidence of overall complications and the incidence of sub-complications (P>0.05). The results of logistic regression analysis suggested that NLR was an independent risk factor for complications after endovascular repair of AAA (P<0.05). The median survival time of patients in the high NLR group and the low NLR group was 31.47 months and 35.28 months, respectively, and there was no statistically significant difference between the two groups (P>0.05). Conclusion NLR can be used as a reference predictor of complications after elective endovascular repair of AAA, but more research results are still needed to confirm.

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