重庆医科大学附属第二医院放射科,重庆 400010
Received:20 December 2025,
Revised:2026-02-10,
Accepted:23 February 2026,
Published:28 May 2026
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冯望,周治明,郭雯曦,等.失效模式与效应分析在MRI检查患者金属异物风险筛查管理中的应用[J].重庆医科大学学报,2026,51(5):689-696.
Feng Wang,Zhou Zhiming,Guo Wenxi,et al.Application of failure mode and effect analysis in the screening and management of superficial metallic foreign bodies in patients undergoing magnetic resonance imaging[J].Journal of Chongqing Medical University,2026,51(5):689-696.
冯望,周治明,郭雯曦,等.失效模式与效应分析在MRI检查患者金属异物风险筛查管理中的应用[J].重庆医科大学学报,2026,51(5):689-696. DOI: 10.13406/j.cnki.cyxb.004065.
Feng Wang,Zhou Zhiming,Guo Wenxi,et al.Application of failure mode and effect analysis in the screening and management of superficial metallic foreign bodies in patients undergoing magnetic resonance imaging[J].Journal of Chongqing Medical University,2026,51(5):689-696. DOI: 10.13406/j.cnki.cyxb.004065.
目的
2
探讨失效模式与效应分析(failure mode and effects analysis,FMEA)法在磁共振成像(magnetic resonance imaging,MRI)检查患者体表金属异物风险筛查管理中的应用效果。
方法
2
选取重庆医科大学附属第二医院两院区2024年1月至12月接受MRI检查的患者52 435例作为观察组(采用基于FMEA的质控管理方法),选取2023年1月至12月接受MRI检查的患者46 402例作为对照组(采用传统质控管理方法)。比较2组患者的关键潜在失效模式风险优先数(risk priority number,RPN)值、体表金属异物去除合格率、MRI图像质量合格率、因体表金属异物导致的重复扫描率及患者对MRI检查室工作人员的满意度进行比较分析。
结果
2
观察组5个RPN值≥125分的关键潜在失效模式,经基于FMEA的质控管理措施改进后,RPN值均
<
125分,观察组体表金属异物去除合格率(99.95%)和MRI图像质量合格率(98.76%)均明显高于对照组(分别为92.00%和91.31%,
P
<
0.05);观察组因体表金属异物导致的重复扫描率(0.39%)明显低于对照组(3.54%,
P
<
0.05);观察组患者对MRI检查室工作人员的满意度(98.45%)明显高于对照组(91.75%,
P
<
0.05)。
结论
2
应用失效模式和效应分析法的质量管理,可明显提高MRI检查患者体表金属异物去除合格率和MRI图像质量,降低重复扫描率,提高患者满意度,对MRI检查流程的规范化管理具有重要意义。
Objective
2
To investigate the application of failure mode and effect analysis(FMEA) in the screening and management of superficial metallic foreign bodies in patients undergoing magnetic resonance imaging(MRI).
Methods
2
A total of 52 435 patients who underwent MRI in the two branches of The Second Affiliated Hospital of Chongqing Medical University from January to December 2024 were enrolled as observation group (using the FMEA-based quality control management method),and 46 402 patients who underwent MRI from January to December 2023 were enrolled as control group(using the traditional quality control management method). The two groups were compared in terms of the risk priority number(RPN) of key potential failure modes,the pass rates of superficial metallic foreign body removal and MRI image quality,repetitive scanning rate due to superficial metallic foreign bodies,and the degree of satisfaction with MRI staff among patients.
Results
2
In the observation group,there were 5 key potential failure modes with an RPN value of ≥125,and all of them had an RPN value of
<
125 after the implementation of FMEA-based quality control management. Compared with the control group,the observation group had significantly higher pass rates of superficial metallic foreign body removal (99.95% vs. 92.00%,
P
<
0.05) and MRI image quality(98.76% vs. 91.
31%,
P
<
0.05),as well as a significantly lower repetitive scanning rate due to superficial metallic foreign bodies(0.39% vs. 3.54%,
P
<
0.05) and a significantly higher degree of satisfaction with MRI staff (98.45% vs. 91.75%,
P
<
0.05).
Conclusion
2
For patients undergoing MRI,the implementation of FMEA-based quality management significantly improves the pass rates of superficial metallic foreign body removal and MRI image quality,reduces the repetitive scanning rate,and enhances the degree of satisfaction,and therefore,it has a great significance in standardized management of MRI examination.
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