Mri Evaluation of Metal Acupuncture Needles-Reference-Cited by-同舟云学术

Mri Evaluation of Metal Acupuncture Needles

Published:2013-12 Issue:4 Volume:31 Page:404-408
ISSN:0964-5284
Container-title:Acupuncture in Medicine
language:en
Short-container-title:Acupunct Med

Author:

Mei Ling¹²,Long Xiaojing¹,Diao Yanjun¹³,Yu Haibo³,Yang Wanzhang⁴,Standish Leanna J⁵⁶,Qiu Bensheng¹⁵

Affiliation:

1. Paul C Lauterbur Research Centers for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China

2. School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China

3. Shenzhen International TCM Training Center, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, Guangdong, China

4. Department of Rehabilitation, Shenzhen Nanshan Hospital, Shenzhen, Guangdong, China

5. Bastyr University Research Institute, Bastyr University, Kenmore, Washington, USA

6. Department of Radiology, University of Washington School of Medicine, Seattle, Washington, USA

Abstract

Objective To evaluate the MR compatibility of three metal acupuncture needles (a standard stainless steel needle, a gold needle and an austenitic stainless steel needle) by comparing their imaging artefacts, radiofrequency heating effects and ease of operation. Methods The MRI artefacts of the three metal needles were first evaluated by placing them in an agar gel phantom and performing MRI of the phantom. The increase in temperature during MRI was recorded using an MR-compatible fibreoptic thermometer. MRI of acupuncture at SP6 was performed using the MR-compatible gold needle and the austenitic stainless steel needle. Results The standard stainless steel acupuncture needle produced large imaging artefacts on MRI. The gold needle was superior for MRI but not rigid enough for some clinical applications such as scalp acupuncture. The austenitic stainless steel needle is non-ferromagnetic and compatible with MRI. None of these acupuncture needles introduced radiofrequency heating during MRI. Conclusions The evaluation of MR compatibility showed that gold and austenitic stainless steel needles are MR-compatible and therefore can be used for MRI of acupuncture.

Publisher

SAGE Publications

Subject

Neurology (clinical),Complementary and alternative medicine,General Medicine

Link

http://journals.sagepub.com/doi/pdf/10.1136/acupmed-2013-010392

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