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| 精益六西格玛法对64排CT检查流程的优化研究 | |
| 引用本文： | 郝光远,陈军,魏从全,许诗丽,王丽,刘文婷,孔雀.精益六西格玛法对64排CT检查流程的优化研究[J].CT理论与应用研究,2012,21(3):471-478. |
| 作者姓名： | 郝光远 陈军 魏从全 许诗丽 王丽 刘文婷 孔雀 |
| 作者单位： | 1. 武汉大学人民医院放射科,武汉430060／武警湖北总队医院放射科,武汉430061 2. 武汉大学人民医院放射科,武汉,430060 3. 武警湖北总队医院放射科,武汉,430061 |
| 摘 要： | 目的：运用精益六西格玛方法研究64排CT检查流程,减少患者无效等待时间,提高单台64排CT检查患者的流通量。方法：运用和实施精益六西格玛管理体系5步法,按登记时间、检查前时间、检查时间、打印时间、收片时间、报告时间、取片时间,随机抽取160名患者分析其各阶段时间,找出致患者侯检时间延长的关键因素;对传统检查流程中导致等... |
| 关 键 词： | 六西格玛 CT 流程 管理 效益 |
Optimizing Study of 64 Slices CT Examination Workflow with Lean Six Sigma |
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| HAO Guang-Yuan,＇,CHEN Jun,WEI Cong-Quan,XU Shi-li,WANG Li,LIU Wen-ting,KONG Que.Optimizing Study of 64 Slices CT Examination Workflow with Lean Six Sigma[J].Computerized Tomography Theory and Applications,2012,21(3):471-478. | |
| Authors: | HAO Guang-Yuan ＇ CHEN Jun WEI Cong-Quan XU Shi-li WANG Li LIU Wen-ting KONG Que |
| Institution: | 1. Department of Radiology, Renmin Hospital of Wuhan University, Wuhan 430060, China 2. Department of Radiology, Hubei Provincial Corps Hospital of Chinese People＇s Armed Police Forces, Wuhan 430061, China |
| Abstract: | Objective： To study the process of 64-slices detectors CT examination in patients by the implement of Lean Six Sigma methods： In order to reduce the patients＇ invalid waiting time so as to raise the patient＇s flux. Methods Five-step method in Lean Six Sigma management system was performed and implemented. According to such segments as the time of registration, waiting for CT examination, CT examination, films printing, films collecting, CT image interpretation, taking diagnostic report, 160 patients were randomly selected to analyze the times of each segment to find the key factor of resulting in extending the whole CT examination time. Refining methods to aim directly at the factors of resulting in the whole CT examination time were prolonged were proposed to improve the conventional CT examination process. And these methods were retained to be modified and optimized to increase the performed CT scan＇s patients in each segment. Then, another 160 patients were randomly selected to be compared with the fore 160 patients for the total time of CT examination after the refining methods were performed. Results： The average invalid waiting time of the patients were dropped from 88.50 min to 52.30 rain with statistically difference （P〈 0.01）. The Six Sigma value （Z value） was increased from -0.54 to 5.12. Conclusion： The implementing of Lean Six Sigma in the 64-slices CT examination process can shorten the patient＇s invalid waiting time significantly and improve the patient＇s flux of single 64-slices CT scanner in each work-day. |
| Keywords: | Six Sigma CT process management benefit |
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