在内血管腹腔大动脉动脉瘤修复期间低估了职业辐射暴露
Hsien-Wen Chiang1, Tzu-Chao Chuang1, Tou-Rong Chen
1Department of Electrical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan.
Health physics
|October 11, 2023
概括
在内血管腹腔大动脉动脉瘤修复 (EVAR) 期间,传统的剂量计放置低估了辐射暴露. 将剂量计面向患者,而不是桌子,显示出明显更高的职业剂量,特别是在远离辐射源的员工身上.
科学领域:
- 医学物理 医学物理
- 干预性放射学 干预性放射学
- 职业健康 职业健康 职业健康
背景情况:
- 内血管腹腔大动脉瘤修复 (EVAR) 涉及医务人员的大量辐射暴露.
- 当前的剂量计放置实践可能不准确地反映了实际的职业辐射剂量.
- 了解散射辐射对于干预程序中准确的剂量评估至关重要.
研究的目的:
- 评估在EVAR期间低估了职业辐射暴露的情况.
- 为了比较用面向病人和面向手术台的剂量计测量的辐射剂量.
- 评估工作人员职位对辐射剂量低估的影响.
主要方法:
- 幻影实验是在混合手术室中使用干预血管学系统进行的.
- 在眼睛,胸部,腹部和性腺水平放置电动个人剂量计,模拟主操作员,助理操作员和无菌护士职位.
- 用向患者和向手术台的剂量计进行剂量测量,包括光镜和数字减去血管学.
- 从26个实际的EVAR病例中收集了员工剂量以进行相关性.
主要成果:
- 面向患者的剂量计测量剂量明显高于面向桌子的剂量.
- 由于散射角度更大,在离辐射源更远的位置 (操作员助理,无菌护士) 辐射暴露的低估更为明显.
- 估计的剂量显示出强烈的相关性 (R2 ≈ 0.8) 与在主操作员的胸部和生殖腺的现场测量剂量.
结论:
- 在EVAR期间的传统剂量计放置低估了职业辐射暴露.
- 优化剂量计方向对于准确评估干预小组的辐射风险至关重要.
- 这项研究强调需要修订协议,以确保干预套房的医疗保健专业人员得到充分保护.
更多相关视频
09:32Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
Published on: December 9, 2021
3.0K
09:32Manufacturing Abdominal Aorta Hydrogel Tissue-Mimicking Phantoms for Ultrasound Elastography Validation
Published on: September 19, 2018
15.4K
相关概念视频
01:26Aneurysm III: Interprofessional Care
9
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
9
01:22Aneurysm IV: Nursing Management
8
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
8
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
10
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
10