QUALITY ASSESSMENT IN IN-VIVO NMR-SPECTROSCOPY .4. A MULTICENTER TRIAL OF TEST OBJECTS AND PROTOCOLS FOR PERFORMANCE ASSESSMENT IN CLINICAL NMR-SPECTROSCOPY
QUALITY ASSESSMENT IN IN-VIVO NMR-SPECTROSCOPY .4. A MULTICENTER TRIAL OF TEST OBJECTS AND PROTOCOLS FOR PERFORMANCE ASSESSMENT IN CLINICAL NMR-SPECTROSCOPY
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DOI：
10.1016/0730-725x(94)00090-p
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发表时间：
1995-01-01
影响因子：
2.5
通讯作者：
PODO, F
中科院分区：
文献类型：
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作者：
KEEVIL, SF;BARBIROLI, B;PODO, F
欧洲共同体 MRI 和 MRS 协调行动组织对单体积和切片选择性磁共振波谱 (MRS) 性能评估的测试对象和协议进行了多中心试验。该试验评估了在欧洲十个地点的商用 MR 系统上实施的磷和质子定位技术。在每个站点，使用原型测试对象测量了协调行动设计的许多参数，其中一些参数与定位质量有关，其他参数与光谱仪的整体性能有关。通过一系列采集参数获得了 ISIS、DRESS、STEAM 和 PRESS 序列的结果，从而可以评估评估方法并比较这些聚焦技术的各种实施的功效。该试验的结果对于制定 MRS 性能评估的协调行动最终建议非常重要，并表明这种评估为比较不同站点的光谱数据和开发新的定位序列提供了有价值的信息，并提供了 MRS 质量保证的手段。
A multicentre trial of test objects and protocols for performance assessment in single volume and slice selective magnetic resonance spectroscopy (MRS) was conducted by the European Community Concerted Action on MRI and MRS. The trial assessed phosphorus and proton localisation techniques implemented on commercially available MR systems at ten sites in Europe. At each site, a number of parameters devised by the Concerted Action were measured using prototype test objects, Some of these parameters related to the quality of localisation and others to the overall performance of the spectrometer. Results were obtained for the ISIS, DRESS, STEAM, and PRESS sequences with a range of acquisition parameters, allowing evaluation of the assessment methodology and comparison of the efficacy of various implementations of these focalisation techniques. The results of this trial have been important in the development of the Concerted Action's final recommendations for MRS performance assessment, and demonstrate that such assessment provides valuable information in the comparison of spectroscopy data from different sites and in the development of new localisation sequences, and provides a means of quality assurance in MRS.