实时自适应呼吸运动补偿与基于支架的跟踪
Lee C Goddard1,2, Byung-Han Rhieu1, Wolfgang A Tomé1,2
1Department of Radiation Oncology, Montefiore Medical Center, Bronx, USA.
Cureus
|June 30, 2025
概括
胆汁支架在胰腺癌的立体体辐射疗法 (SBRT) 中显示出跟踪瘤运动的潜力. 然而,解剖学变化和信号中断可能导致跟踪失败,需要适应性策略.
科学领域:
- 辐射瘤学 辐射瘤学
- 医学物理 医学物理
- 胃肠病学 胃肠病学
背景情况:
- 立体性身体辐射疗法 (SBRT) 是局部晚期胰腺癌的关键治疗方法.
- 呼吸运动通过引起瘤运动,显著挑战SBRT精度.
- 实时运动跟踪系统旨在通过使用替代品来提高准确性.
更多相关视频
08:54Treatment of Liver Metastases Using an Internal Target Volume Method for Stereotactic Body Radiotherapy
Published on: May 8, 2018
14.4K
06:53Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
Published on: July 23, 2020
5.7K
相关概念视频
Neural Control of Respiration
3.0K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
3.0K
Assessment of Ventilation I: Respiratory Rate
1.3K
Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
1.3K
Respiratory Volumes
1.7K
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
1.7K
Mechanical Ventilation III: Noninvasive Ventilation
233
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation...
Noninvasive Positive-Pressure Ventilation...
233
Physiological Control of Respiration
3.6K
Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
3.6K
