便携式MRI在大型体育赛事中的应用--以MotoGP世界锦标赛为例
Portable MRI for major sporting events -- a case study on the MotoGP World Championship
摘要：
这项工作的目标是展示便携式MRI在拥挤的活动和重大体育比赛中的临床价值。在西班牙瓦伦西亚举行的摩托车大奖赛（2022年MotoGP赛季结束）为期四天的比赛期间，我们在Ricardo Tormo赛车场的医疗设施中临时安装了低场和低成本的便携式MRI系统，用于肢体成像。在此期间，我们扫描了14名受试者，共运行了21个手腕，膝盖和脚踝成像协议。每个协议至少包括一个用于一般解剖信息的T1加权3D-RARE序列，以及一个用于突出显示液体积聚和炎症的3D-STIR序列。回路医务人员能够在低场重建中观察到许多病变和状况，包括膝关节病、积液或Haglund综合征，以及金属植入物和手术干预引起的组织变化。在对先前诊断的病变进行的八次低场采集中，只有两次（半月板撕裂和贝克囊肿）没有被评估我们图像的专家检测到。主要的亮点是，对报告手腕疼痛的受试者进行的低场MRI扫描显示了创伤性关节炎，而X线片和目视检查均未发现。我们在高场MRI不太可能发挥作用的情况下进行了操作，但低场系统可以改善医疗护理。在这里报告的情况下，系统运输，安装在电路设施和校准都不复杂。提供给医务人员的图像大多未经处理，因此还有改进的余地。总之，这项工作支持这样的说法，即低场MRI可能会提供附加值时，概念，如可访问性，便携性和低成本超过精致的图像细节。
英文摘要：
The goal of this work is to showcase the clinical value that portable MRI can provide in crowded events and major sports competitions. We temporarily installed a low-field and low-cost portable MRI system for extremity imaging in the medical facilities of the Ricardo Tormo Motor Racing Circuit during the four days of the Motorcycle Grand Prix held in Valencia (Spain), which closed the 2022 season of the MotoGP. During this time, we scanned 14 subjects, running a total of 21 protocols for wrist, knee and ankle imaging. Each protocol included a minimum of one T1-weighted 3D-RARE sequence for general anatomical information, and one 3D-STIR sequence to highlight fluid accumulation and inflammation. The circuit medical staff were able to visualize a number of lesions and conditions in the low-field reconstructions, including gonarthrosis, effusion, or Haglund's syndrome, as well as metallic implants and tissue changes due to surgical interventions. Out of eight low-field acquisitions on previously diagnosed lesions, only two (a meniscus tear and a Baker cyst) were not detected by the experts that evaluated our images. The main highlight was that a low-field MRI scan on a subject reporting pain in a wrist revealed a traumatic arthritis which an X-ray radiograph and visual inspection had missed. We have operated in a scenario where high-field MRI is unlikely to play a role but where a low-field system can lead to improved medical attention. In the case reported here, system transport, installation in the circuit facilities and calibration were all uncomplicated. The images presented to the medical staff were mostly unprocessed and there is thus room for improvement. In conclusion, this work supports the claim that low-field MRI can likely provide added value whenever concepts such as accessibility, portability and low-cost outweigh exquisite detail in images.
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