quality assurance of conformal therapy

... variation of the GAI during the three acquisitions was of 1.3%, with a mean variation of 0.7 ± 0.4% This is a confirmation of the stability of the delivery, even in case of small arcs Plots of the ... On-line quality assurance of rotational radiotherapy treatment delivery by means of a 2D ion chamber array and the Octavius phantom Med Phys 2007, 34:3825-37 Otto K: Volumetric modulated arc therapy: ... results of the assessment of the apparent PV support arm movement are reported in figure where the displacement of the center of mass of the small field is plotted as a function of the gantry position...

Ngày tải lên: 09/08/2014, 09:22

... scientific arguments about quality assurance as follows: Quality control, quality assurance and totol quality management are 03 different levels of quality management The application of this level with ... in each of VTCs, combined with quality assurance processes as necessary Quality assurance process should always be started from the internal quality assurance The design and make quality assurance ... efficiencies of processes, internal quality assurance mechanisms of public VTCs Self-assessment is considered to be a chain of quality assurance processes As a quality management level, contents of internal...

Ngày tải lên: 25/07/2014, 14:39

... Nine of 35 (25.7%) patients had an average of 1.6 additional films over a period In this quality assurance survey, we observed in our medical patients that 22% of all routine CXRs, and 40% of nonroutine ... evaluate their utility in our medical–surgical ICU as part of a quality assurance survey The goals of this study were to determine the percentage of routine and non-routine radiographs that change management ... or the NGT The balance of these changes (42.0%) led to a change in clinical management, specifically the treatment of CHF, the addition of antibiotics, the performance of bronchoscopy, or a change...

Ngày tải lên: 25/10/2012, 10:45

... pretreatment quality assurance are to assure the precision of the IMRT treatment plan and the application of the prescribed dose from the plan [13] As a consequence of the complexity of the IMRT ... measurements of high-energy photon beams The 2D-ARRAY chamber is calibrated using a setup of 10 cm x10 cm field size, 100 MU, 10 MV beams at a depth of 10 cm, and a dose rate of 300 cGy/MU In favor of ... most malignant form of brain tumor, with a poor prognosis and low life expectancy [21] Intensity modulated radiation therapy (IMRT) is a new development of conformal radiotherapy which shows...

Ngày tải lên: 25/10/2012, 10:51

... and improve the quality of its education and other activities Quality assurance system The concept of quality assurance system’ (QA system) includes both quality man agement and quality enhancement ... ways: it may refer to the quality assurance system of an individual HEI or to the national system for assuring’the quality of higher education The quality assurance system of a HEI re fers to the ... European principles in the quality assurance of Finnish HEIs For the European guidelines and recommendations of quality assurance in “Standards and Guidelines for Quality Assurance in the European Higher...

Ngày tải lên: 06/03/2014, 23:20

Ngày tải lên: 24/03/2014, 01:21

... provision of higher-education programmes of good quality within developing countries is a solution to building the capacity of the health care workforce in these countries [7-9] Measures of quality of ... enable quality assurance principles to be implemented in resource-limited settings The aim of this handbook was to provide a short, simple and jargon-free set of principles on quality assurance ... documents from the Quality Assurance Agency and the University of Liverpool's Teaching Quality Support Division web sites [15,17] We also reviewed documents that focused on quality assurance strategies...

Ngày tải lên: 18/06/2014, 17:20

... There can be a significant loss of quality of vegetable products in the supply chain, especially in retail There are significant opportunities to improve the quality of produce reaching consumers ... quality of produce reaching the consumer and in food safety Food safety improvements have been achieved through a reduction in microbial contamination of food as well as through measurement of ... future will be for these supermarkets to introduce quality standards and then buy high quality, clean produce direct from farmers who meet the Quality Assurance (QA requirements) This project will...

Ngày tải lên: 21/06/2014, 05:20

... management and quality assurance systems Executive Summary Project CARD-004/04 VIE “Improving the safety and quality of Vietnamese vegetables” commenced in September 2005 The overall objective of this ... losses and to utilise quality assurance principles Objectives of this project are as follows: Facilitate the wider implementation and adoption of protected cropping systems of low to medium technology ... utilise quality assurance principles to implement targeted system improvements; Enhance Vietnamese R&D capacity in the areas of protected cropping systems, postharvest management and quality assurance...

Ngày tải lên: 22/06/2014, 12:20

... utilise quality assurance principles to implement targeted system improvements; Enhance Vietnamese R&D capacity in the areas of protected cropping systems, postharvest management and quality assurance ... Institute of Fruit and Vegetables with Hue University of Agriculture and Forestry and the Institute of Agricultural Sciences for South Vietnam as the Vietnamese project partners NSW Department of Primary ... Institute Information Project Name Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology...

Ngày tải lên: 22/06/2014, 12:20

... utilise quality assurance principles to implement targeted system improvements; Enhance Vietnamese R&D capacity in the areas of protected cropping systems, postharvest management and quality assurance ... Trang, Quality Assurance Manager) was that Metro is still having difficulty sourcing sufficient quantities of product that meets their quality specifications They are also still in the process of ... One of the focuses of the current set of trials is to compare field and greenhouse/nethouse production A number of the demonstration trials will take place on farm, facilitating greater uptake of...

Ngày tải lên: 22/06/2014, 12:20

... in methods of strain selection and quality assurance of strains in biofertilisers Field training of villagers, particularly women, in methods of biofertiliser production and the use of simple ... related to quality assurance of starter culture strains of bacteria for biofertiliser inoculants used in paddy rice production in Vietnam Similar quality assurance is required for biofertilisers produced ... techniques of biofertiliser production and quality assurance 4 Training by technologists instructing village women and others in biofertiliser production, sampling for simple tests of quality and...

Ngày tải lên: 22/06/2014, 13:20

... training; a report on outcomes of discussions will be available within weeks of the scheduled meeting on quality assurance Success beyond the project in implementing quality assurance in Vietnam will ... Table 1: Heavy metal analysis of eight samples of compressed coir bricks of different origin * - limits of detection) The Mekong company currently produces a range of coir finished products for ... industries Some quality characteristics beyond the specification for size and shape of the products would include issues of uniformity in the size of fibres and assuring low concentrations of salt contaminants...

Ngày tải lên: 22/06/2014, 13:20

... CHAPTER 15 Costs of Software Quality 371 15.1 Introduction 15.2 The Concept of Cost of Software Quality 15.2.1 The Concept 15.2.2 Objectives of Cost of Software Quality Metrics 15.3 Costs of Control ... Software Quality Related Job Descriptions Software Quality Assurance Manager Engineer Software Quality Assurance Software Reliability Engineer Software Configuration Management Specialist Software ... Software Safety Engineer Software Librarian Aide Senior Software Librarian Software Quality Assurance Engineering Assistant Software Quality Engineering Assistant Software Quality Assurance Aide 89 90...

Ngày tải lên: 27/06/2014, 05:20

... tumor sites must be irradiated List of abbreviation ASTRO: Americal Society of Therapeutic Radiation Oncology; CRT: Conformal Radiation Therapy; CT: Chemotherapy; CTV: Clinical Target Volume; ... Elective radiotherapy with intensity modulated radiation therapy (IMRT) technique in the treatment of pelvic lymph nodes and primary tumor region Analysis of acute toxicity Procedings of the 49th ... this article as: Ferrigno et al.: Comparison of conformal and intensity modulated radiation therapy techniques for treatment of pelvic tumors Analysis of acute toxicity Radiation Oncology 2010 5:117...

Ngày tải lên: 09/08/2014, 09:20

... Morganti AG: 3D -Conformal versus intensity- modulated postoperative radiotherapy of vaginal vault: a dosimetric comparison Med Dosm 2010, 35:135-142 Palta JR, Liu C, Li JG: Quality assurance of intensity ... others [10,12,13] Patient-specific IMRT quality assurance is one of essential tasks to ensure accurate dose delivery to the patient [14-17] It often consists of measuring point doses and 2D dose ... be achieved Pawlicki and co-workers [19,20] have reported on the use of control charts for radiotherapy quality assurance of linear accelerators using both hypothetical and clinical data Breen...

Ngày tải lên: 09/08/2014, 09:20

... inter-centre quality assurance network for IMRT verification: results of the ESTRO QUASIMODO project Radiother Oncol 2005, 76:340-353 17 Palta J, Liu C, Li J: Quality assurance of intensity-modulated ... decade, a lot of centers in the world are starting this technology The goal of this paper is to provide an important number of measurements and to develop the understanding of the results quality depending ... Yan D: Evaluation of a 2D diode array for IMRT quality assurance Radiother Oncol 2004, 70:199-206 13 Working I: Intensity-modulated radiotherapy: current status and issues of interest Int J Radiat...

Ngày tải lên: 09/08/2014, 09:20

... details of the equipment to be used Appropriate quality assurance systems should also be implemented A comprehensive overview of quality assurance issues can be found in a special edition about quality ... models, a standard fractionation schedule of fractions of 20 Gy or fractions of 18 Gy and a conservative fractionation schedule of fractions of 12 Gy or fractions of 11 Gy could be allowed For type ... Discussion The ROSEL trial Quality Assurance Working Party in this article has tried to present a broad overview of all the technical aspects of stereotactic radiotherapy for early stage lung...

Ngày tải lên: 09/08/2014, 09:22

... FY, Skinner O: The influence of radiation therapy quality control on survival, response and sites of relapse in oat cell carcinoma of the lung: preliminary report of a Southwest Oncology Group ... Safran H, Hoffman JP, Konski AA, Benson AB, Macdonald JS, Rich TA, Willett CG: RTOG 9704 – Radiotherapy quality assurance (QA) review and survival Proceedings of the 48th Annual Meeting of the American ... Eich HT: The development of quality assurance programs for radiotherapy within the German Hodgkin Study Group (GHSG) Introduction, continuing work, and results of the radiotherapy reference panel...

Ngày tải lên: 09/08/2014, 09:22

... in three out of four ambulance records and in nine out of ten air ambulance records Similarly, the Office of the Auditor General of Norway reviewed 14 EMCCs and found documentation of patient encounter ... and quality of EMS documentation of key logistic, Staff and Søvik Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2011, 19:20 http://www.sjtrem.com/content/19/1/20 Page of ... terms of its usefulness for trauma research, we assessed the documentation rate of exact values and of RTS categories (0 - 4) of GCS score, RR, and SBP We found that a considerable fraction of ambulance...

Ngày tải lên: 25/10/2012, 09:56