Alanen J, Keski-Nisula L, Blanco-Sequeiros R, Tervonen O
Department of Radiology, Oulu University Hospital, PL 50, 90029, Oulu, Finland.
Eur Radiol. 2004 Jan;14(1):123-8. doi: 10.1007/s00330-003-1960-2. Epub 2003 Jun 25.
The aim of this study was to analyze and compare the costs of low-field (0.23 T) MRI- and CT-guided bone biopsies. The cost comparison consisted of 18 MRI-guided and 12 CT-guided bone biopsies performed during a 1-year period. The costs and activities of these two methods were analyzed by using activity-based cost accounting (ABC). The costs of MRI-guided bone biopsy (1205 Euro) were 2.55-fold compared with those of the CT-guided bone biopsy (472 Euro). The higher costs of the biopsy procedure in MRI were due to the higher material (5.57-fold) and personnel (2.73-fold) costs. The MRI-guided bone biopsies proved to be considerably more expensive than CT-guided bone biopsies. This was due to the higher material costs, especially the highly priced MRI compatible instrumentation and the longer procedure time. The MRI guidance in performing bone biopsies should be justified on the basis of the better accuracy and the lack of radiation. Evaluations of cost-effectiveness concerning MRI-guided bone biopsy are needed.
本研究的目的是分析和比较低场强（0.23 T）MRI引导和CT引导下骨活检的成本。成本比较包括在1年期间进行的18例MRI引导下和12例CT引导下的骨活检。采用作业成本法（ABC）分析这两种方法的成本和活动。MRI引导下骨活检的成本（1205欧元）是CT引导下骨活检（472欧元）的2.55倍。MRI活检程序成本较高的原因是材料成本（5.57倍）和人员成本（2.73倍）较高。事实证明，MRI引导下的骨活检比CT引导下的骨活检贵得多。这是由于材料成本较高，尤其是价格昂贵的MRI兼容仪器以及较长的操作时间。基于更高的准确性和无辐射，在进行骨活检时采用MRI引导是合理的。需要对MRI引导下骨活检的成本效益进行评估。
