AIMC Topic: Quality Assurance, Health Care
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High-precision quality assurance of robotic couches with six degrees of freedom.
Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)
Apr 28, 2018
A robotic couch capable of six degrees of freedom (6-DoF) of motion was introduced for state-of-the-art radiation therapy. Patient treatment requires precise quality assurance (QA) of 6-DoF. Unfortunately, conventional methods do not provide the requ...
Deep nets vs expert designed features in medical physics: An IMRT QA case study.
Medical physics
Apr 18, 2018
PURPOSE: The purpose of this study was to compare the performance of Deep Neural Networks against a technique designed by domain experts in the prediction of gamma passing rates for Intensity Modulated Radiation Therapy Quality Assurance (IMRT QA).
Assessing the practice of biomedical ontology evaluation: Gaps and opportunities.
Journal of biomedical informatics
Feb 17, 2018
With the proliferation of heterogeneous health care data in the last three decades, biomedical ontologies and controlled biomedical terminologies play a more and more important role in knowledge representation and management, data integration, natura...
Auditing SNOMED CT hierarchical relations based on lexical features of concepts in non-lattice subgraphs.
Journal of biomedical informatics
Dec 20, 2017
OBJECTIVE: We introduce a structural-lexical approach for auditing SNOMED CT using a combination of non-lattice subgraphs of the underlying hierarchical relations and enriched lexical attributes of fully specified concept names. Our goal is to develo...
Taxonomy-Based Approaches to Quality Assurance of Ontologies.
Journal of healthcare engineering
Oct 11, 2017
Ontologies are important components of health information management systems. As such, the quality of their content is of paramount importance. It has been proven to be practical to develop quality assurance (QA) methodologies based on automated iden...
IMRT QA using machine learning: A multi-institutional validation.
Journal of applied clinical medical physics
Aug 17, 2017
PURPOSE: To validate a machine learning approach to Virtual intensity-modulated radiation therapy (IMRT) quality assurance (QA) for accurately predicting gamma passing rates using different measurement approaches at different institutions.
Provider-specific quality measurement for ERCP using natural language processing.
Gastrointestinal endoscopy
May 3, 2017
BACKGROUND AND AIMS: Natural language processing (NLP) is an information retrieval technique that has been shown to accurately identify quality measures for colonoscopy. There are no systematic methods by which to track adherence to quality measures ...
Relating Complexity and Error Rates of Ontology Concepts. More Complex NCIt Concepts Have More Errors.
Methods of information in medicine
Feb 28, 2017
OBJECTIVES: Ontologies are knowledge structures that lend support to many health-information systems. A study is carried out to assess the quality of ontological concepts based on a measure of their complexity. The results show a relation between com...
Utilization of a 3D printer to fabricate boluses used for electron therapy of skin lesions of the eye canthi.
Journal of applied clinical medical physics
Nov 30, 2016
This work describes the use of 3D printing technology to create individualized boluses for patients treated with electron beam therapy for skin lesions of the eye canthi. It aimed to demonstrate the effectiveness of 3D-printed over manually fabricate...
Predictive time-series modeling using artificial neural networks for Linac beam symmetry: an empirical study.
Annals of the New York Academy of Sciences
Sep 14, 2016
Over half of cancer patients receive radiotherapy (RT) as partial or full cancer treatment. Daily quality assurance (QA) of RT in cancer treatment closely monitors the performance of the medical linear accelerator (Linac) and is critical for continuo...
Radiosurgery
Empirical Research
In Vivo Dosimetry
Models, Biological
Quality Assurance, Health Care
Forecasting
Databases, Factual
Reproducibility of Results
Neural Networks, Computer
Machine Learning
Regression Analysis
Bayes Theorem
Kinetics
Neoplasms
Computational Biology
Longitudinal Studies
Humans
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