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Results for "assess monitoring": 15 found

An Automated System for MRI Coil Performance Evaluation

Authors: Michael Cuddy, Samuel J. Fahrenholtz, Khushnood Hamdani, Saman Jirjes, Robert G. Paden, Jeremiah W. Sanders, William F. Sensakovic, Wolfgang Stefan, Jeffrey Xiao, Yuxiang Zhou

Affiliation: Mayo, Mayo Clinic Arizona, Mayo Clinic

Abstract Preview: Title: An automated system for MRI coil performance evaluation

Purpose: To develop an automated quality control (QC) system for MRI coils to assess element-level signal-to-noise ratio (SNR), ar...

Assess-AI and the Future of Monitoring

Authors: Tessa Cook

Affiliation: Penn Medicine

Abstract Preview: N/A...

BEST IN PHYSICS MULTI-DISCIPLINARY: Evaluation of Spot-Level N-12 PET Imaging for Online Range Verification in Multi-Field Intensity Modulated Proton Therapy

Authors: Zahra Ahmadi Ganjeh, Stefan Both, Peter Dendooven, Jeffrey Free, Brian Zapien Campos

Affiliation: Department of Radiation Oncology, University Medical Center Groningen, University of Groningen, Particle Therapy Research Center (PARTREC), Department of Radiation Oncology, University Medical Center Groningen, University of Groningen

Abstract Preview: Purpose: Positron emission tomography (PET) has been investigated for range monitoring in intensity-modulated proton therapy (IMPT), but real-time feedback been limited due to the focus on long-lived ...

CBCT-Based Synthetic CT Imaging for Proton and Photon Dose Monitoring and Adaption in Supine Breast Radiotherapy

Authors: Mark E Artz, Julie Bradley, Hardev Singh Grewal, Perry B. Johnson, Christina Klassen, Raymond Mailhot Vega, Nancy Mendenhall, Jiyeon Park, Emma V. Viviers, Yawei Zhang

Affiliation: UF Health Proton Therapy Institute, University of Florida

Abstract Preview: Purpose: Verification CTs (VFCT) are used in radiotherapy to assess patient dose during treatment. However, they are time-consuming and contribute additional radiation exposure to the patient. This st...

Comparison of Multispectral Singlet Oxygen Luminescent Dosimetry (MSOLD) and Singlet Oxygen Explicit Dosimetry (SOED) in BPD-Mediated PDT for Mice

Authors: Robert H Hadfield, Madelyn Johnson, Baozhu Lu, Hongjing Sun, Vikas Vikas, Brian C. Wilson, Weibing Yang, Timothy C. Zhu

Affiliation: University of Glasgow, University of Toronto, University of Pennsylvania

Abstract Preview: Purpose:
Multispectral Singlet Oxygen Luminescent Dosimetry (MSOLD) has been developed as a real-time in vivo dosimetry technique for Photodynamic Therapy (PDT). This study investigates the feasibi...

Enhancing Radiation Therapy Precision and Safety: The Role of Cherenkov Imaging in Clinical Practice.

Authors: Adi Robinson, Michael J. Tallhamer

Affiliation: Centura Health, AdventHealth Orlando

Abstract Preview: Purpose: This study aims to evaluate the integration of Cherenkov imaging into radiation therapy practices, focusing on its utility in enhancing treatment precision, patient safety, and clinical decis...

Evaluating the Impact of Bladder Volume on Small Bowel Dose Constraints in Prostate Cancer Patients with Nodal Involvement: Assessing the Efficacy of a 'half-Full Bladder' Guideline

Authors: Neha Devi, Deon M. Dick

Affiliation: Jaeger Corporation

Abstract Preview: Purpose: To evaluate the impact of bladder volume variation on small bowel dose in prostate cancer patients with nodal involvement and assess the efficacy of a 'half-full bladder' guideline for minimi...

Inter-Fraction Monitoring of Brain Metastases Resection Cavities during Fractionated Stereotactic Radiosurgery on the 0.35 T MRI-Linac

Authors: Eyub Y. Akdemir, Gregory A Azzam, Rupesh Kotecha, Gregory J. Kubicek, Natalia Lutsik, Eric Mellon, Siamak P. Nejad-Davarani, Parag Parikh, Karen C. Snyder

Affiliation: Miami Cancer Institute, Baptist Health South Florida, Department of Radiation Oncology, University of Miami, Henry Ford Health

Abstract Preview: Purpose: Resection cavity volumes shrink gradually over time after surgical resection of brain metastases. Fractionated stereotactic radiosurgery (fSRS) is often delivered to the cavity to prevent rec...

Investigating CT-Based Lung Ventilation Heterogeneity As a Biomarker for COPD Severity

Authors: Shiho Amster, Ryan Andosca, Igor Barjaktarevic, Michael Vincent Lauria, Daniel A. Low, Dylan P. O'Connell, Ann Raldow, Brad Stiehl

Affiliation: Department of Pulmonology, University of California Los Angeles, Department of Radiation Oncology, University of California, Los Angeles, Cedars-Sinai Medical Center

Abstract Preview: Purpose: Image-based biomarkers could be useful for disease diagnosis and prognosis, especially in heterogeneous lung diseases like COPD. The purpose of this study is to assess the feasibility of usin...

Investigation of a Novel Snout-Mounted Compton Camera System for Monitoring Dose Depth

Authors: Ananta Raj Chalise, Matthias K Gobbert, Hajar Moradmand, Sina Mossahebi, Stephen W. Peterson, Jerimy C. Polf, Lei Ren, Ehsan Shakeri, Vijay Raj Sharma, Jie Zhang

Affiliation: University of Maryland School of Medicine, University of Maryland Baltimore County, University of Maryland, University of Maryland, Baltimore County, University of Maryland, School of Medine, Department of Physics, University of Cape Town, M3D, Inc

Abstract Preview: Purpose: We are developing a novel Compton Camera (CC) system mounted orthogonally on the treatment nozzle for prompt gamma (PG) imaging-based proton range verification during treatment. This study in...

Mask-Less Adaptable Headrest for Head-and-Neck Radiotherapy

Authors: Alyssa Capizzi, John J Dombrowski, Nabil N. Khater

Affiliation: Saint Louis University

Abstract Preview: Purpose: To evaluate a mask-less adaptable headrest (MAHR) prototype for head-and-neck IMRT designed to reduce random and systematic shifts of patients’ setups. MAHR complements current image-guidance...

Minimizing Abscopal Effects in Normal Tissues with Flash-RT: Mechanisms of Action and Potential Clinical Applications

Authors: Liang Cui, Xingyu Lu, Hang Shang, LingHong Zhou

Affiliation: Southern Medical University

Abstract Preview: Purpose: This study examines how varying dose rates of radiotherapy impact normal tissues outside the target area and analyzes the protective effects and regulatory mechanisms of ultra-high dose rate ...

Quality Assurance of Four-Dimensional Computed Tomography (4DCT)

Authors: Teh Lin, Anna Oneil

Affiliation: Fox Chase Cancer Center

Abstract Preview: Purpose: Four-dimensional computed tomography(4DCT) is often required to assess organ motions for thoracic and abdominal cancer patients. This study proposes a quality assurance (QA) procedure for two...

Quality Monitoring of Temporal Performance Degradation in Clinical Use of AI Auto-Segmentation

Authors: Ali Ammar, Quan Chen, Jingwei Duan, Yi Rong, Nathan Y. Yu, Libing Zhu

Affiliation: Mayo Clinic Arizona, University of Alabama at Birmingham

Abstract Preview: Purpose: Clinical performance of deep learning-based auto-segmentation (DLAS) can degrade over time due to AI β€œaging” from unseen data input compared to the initial model training data. This study aim...

Respiratory Monitoring in Human Subjects Using a Low-Cost Optical Imaging System Prototype

Authors: Marian Axente, Mandeep Kaur

Affiliation: Emory University

Abstract Preview: Purpose: To validate a low-cost optical imaging system for respiratory monitoring by comparing its accuracy and feasibility against the clinical gold standard in human subjects.
Methods: Following ...