技术说明:在胃肠内镜中移动C臂光镜的工作量和传输数据
Xinhua Li1, Theodore A Marschall1, Kai Yang1
1Division of Diagnostic Imaging Physics, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA.
这项研究分析了胃肠内镜中移动C臂的使用情况,提供了工作负载和辐射传输数据. 调查结果强调,需要评估手术室的结构屏蔽,以确保安全.
科学领域:
- 医学物理 医学物理
- 辐射科学 辐射科学
- 内镜手术 进行内镜手术
背景情况:
- 移动C臂在固定设置中使用,需要对结构屏蔽进行专家评估.
- 了解辐射暴露对于在光镜手术过程中患者和工作人员的安全至关重要.
研究的目的:
- 评估胃肠内镜中移动C臂的临床工作负载分布.
- 为了确定C臂X射线束光谱的阿切尔方程参数.
主要方法:
- 使用Cios Alpha系统进行30个月的胃肠内镜手术的回顾性分析.
- 检查X射线参数 (电压,电流时间产物,空气克尔玛,光镜时间).
- 测量半值层 (HVL),流浪辐射分数,以及通过屏蔽材料传输辐射的蒙特卡洛模拟.
主要成果:
- 分析了3509个手术,平均每个房间每周进行13.48次手术.
- 每个程序的剂量量:54.8mGy (参考空气克尔玛),18.3 Gy·cm2 (空气克尔玛面积产物) 和7.8分钟 (光镜时间).
- 传输装置的参数被确定为C臂X射线束电压 (90-120kV).
结论:
- 该研究为GI内镜中移动C臂光镜提供了必要的工作负载和辐射传输数据.
- 结果表明,需要在手术室评估结构屏蔽,以减轻辐射暴露.
更多相关视频
05:37Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion
Published on: August 6, 2019
09:42Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
Published on: August 26, 2014
相关概念视频
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
Imaging Studies I: CT and MRI
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies for Cardiovascular System III: X-Ray
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Ultrasound II: Endoscopic Ultrasound and FibroScan
Endoscopic Ultrasound (EUS):
Computed Tomography
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Endoscopic Procedures I: Esophagogastroduodenoscopy
During an EGD, the endoscope can be used to:
