Long-term Quality Control of Philips-Precedence Dual-head Single Photon Emission Computed Tomography for Five Years_West China Medical Journal

Authors：

 SHENGuo-hua , ZHOULü-yi , JIAZhi-yun , YANGXiao-chuan ,  DENGHou-fu

Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;

Corresponding?author：

DENGHou-fu, Email: denghfy@126.com

Keywords：

Quality control; Energy peak; Uniformity; Center of rotation

DOI：

10.7507/1002-0179.20150545

Video：

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Objective To improve health care quality and safety by monitoring the performance of PhilipsPrecedence Dual-head single photon emission computed tomography (SPECT). Methods With our own homemade point source and the center of rotation model, in accordance with NEMA standards and manufacturers' design conditions, these three indicators including energy peak position of the instrument, intrinsic uniformity and center of rotation were routinely tested between 2008 and 2012 for the Philips-Precedence Dual-head SPECT in our hospital. In addition, the quality control was performed twice a week, and every year the total number of quality control was basically the same. We calculated the results by the weighted average method. Results The 5-year average energy peaks of detector 1 and 2 were (139.23±0.32) and (138.97±0.45) keV, respectively, and they were both within the range of reference values [(140±3) keV]. In addition, the results of center of rotation were also in the normal range, and kept stable. Based on the analysis of quality-control data, for detector 1, compared with the data of 2008, there was no significant diTherence for central field of vision (CFOV) and useful field of vision (UFOV) in these three years from 2009 to 2011 (P>0.05). The diTherence was only significant between data of 2008 and that of 2012 (P<0.05). For detector 2, compared with the data of 2008, there was no significant diTherence for CFOV and UFOV in 2009 and 2011(P>0.05), while there was significant diTherent in 2010 and 2012 (P<0.05). Conclusion The uniformity of SPECT will gradually deteriorate with prolonged use. However, regular quality control and maintaining can keep the function stabilization, and enhance the availability rate.

Citation： SHENGuo-hua, ZHOULü-yi, JIAZhi-yun, YANGXiao-chuan, DENGHou-fu. Long-term Quality Control of Philips-Precedence Dual-head Single Photon Emission Computed Tomography for Five Years. West China Medical Journal, 2015, 30(10): 1906-1909. doi: 10.7507/1002-0179.20150545 Copy

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2.	張潔, 馬麗, 李順華, 等. SPECT儀器質量控制和質量保證的初步探討[J]. 中國臨床醫學影像雜志, 2009, 20(1):67-68.
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6.	曾強生, 賈曉娟, 唐彩華. GE HawkEye-SPECT儀"SENTAB"對均勻性校正價值[J]. 醫療衛生裝備, 2010, 31(7):114-115.
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10.	賈曉娟, 韓軍, 唐彩華, 等. GE HawkEye-SPECT儀日常維護與質量控制[J]. 實用醫技雜志, 2012, 19(4):417.
11.	王崗, 楊勝利, 樊維民, 等. SPECT骨顯像的質量控制[J]. 現代腫瘤醫學, 2010, 18(7):1430-1431.
12.	錢英. SPECT探頭系統的校正與調試[J]. 醫療設備信息, 2006, 23(5):40-41.
13.	周銘娟. 對SPECT均勻性的測試與校正[J]. 醫療設備信息, 1995, 10(3):6-7.
14.	孟娟娟. SPECT影像中偽影的識別和處理[J]. 醫療設備信息, 2001, 16(5):34-35.
15.	Zanzonico P. Routine quality control of clinical nuclear medicine instrumentation:a brief review[J]. J Nucl Med, 2008, 49(7):1114-1131.
16.	Hines H, Kayayan R, Colsher J, et al. National electrical manufacturers association recommendations for implementing SPECT instrumentation quality control[J]. J Nucl Med Technol, 1999, 27(1):67-72.

1. Mattsson S, Hoeschen C. Radiation protection in nuclear medicine[M]. Heidelberg:Springer, 2012:71-93.
2. 張潔, 馬麗, 李順華, 等. SPECT儀器質量控制和質量保證的初步探討[J]. 中國臨床醫學影像雜志, 2009, 20(1):67-68.
3. 范向勇, 周獻鋒, 馬加一. SPECT質量控制檢測探討[J]. 中國醫學裝備, 2014(3):8-9.
4. 中華醫學會. 臨床技術操作規范:核醫學分冊[M]. 北京:人民軍醫出版社, 2004:13-21.
5. EANM Physics Committee, Busemann Sokole E, P?achcínska A, et al. Routine quality control recommendations for nuclear medicine instrumentation[J]. Eur J Nucl Med Mol Imaging, 2010, 37(3): 662-671.
6. 曾強生, 賈曉娟, 唐彩華. GE HawkEye-SPECT儀"SENTAB"對均勻性校正價值[J]. 醫療衛生裝備, 2010, 31(7):114-115.
7. 顧文超, 劉健, 宋炯. 雙探頭SPECT質控回顧性分析[J]. 核技術, 2011, 34(9):701-704.
8. Patton JA, Turkington TG. SPECT/CT physical principles and attenuation correction[J]. J Nucl Med Technol, 2008, 36(1):1-10.
9. 孟慶樂, 楊瑞, 王峰. 雙探頭SPECT儀質量控制方法探討[J]. 醫療衛生裝備, 2010, 31(7):116, 132.
10. 賈曉娟, 韓軍, 唐彩華, 等. GE HawkEye-SPECT儀日常維護與質量控制[J]. 實用醫技雜志, 2012, 19(4):417.
11. 王崗, 楊勝利, 樊維民, 等. SPECT骨顯像的質量控制[J]. 現代腫瘤醫學, 2010, 18(7):1430-1431.
12. 錢英. SPECT探頭系統的校正與調試[J]. 醫療設備信息, 2006, 23(5):40-41.
13. 周銘娟. 對SPECT均勻性的測試與校正[J]. 醫療設備信息, 1995, 10(3):6-7.
14. 孟娟娟. SPECT影像中偽影的識別和處理[J]. 醫療設備信息, 2001, 16(5):34-35.
15. Zanzonico P. Routine quality control of clinical nuclear medicine instrumentation:a brief review[J]. J Nucl Med, 2008, 49(7):1114-1131.
16. Hines H, Kayayan R, Colsher J, et al. National electrical manufacturers association recommendations for implementing SPECT instrumentation quality control[J]. J Nucl Med Technol, 1999, 27(1):67-72.

West China Medical Journal

Long-term Quality Control of Philips-Precedence Dual-head Single Photon Emission Computed Tomography for Five Years

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