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KMID : 1150720210100030017
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Integrative Medicine Research
2021 Volume.10 No. 3 p.17 ~ p.17
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Using magnetic resonance imaging to measure the depth of acupotomy points in the lumbar spine: A retrospective study
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Yoon Sang-Hoon
Kim Shin-Ae
Lee Geon-Yeong
Kim Hyun-Ho
Lee Jun-Hwan
Leem Jung-Tae
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Abstract
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Background: The acupotomy is an acupuncture device recently used to stimulate lumbar vertebrae such as transverse processes (TPs) and facet joints (FJs). However, there are many organs, nerves, and blood vessels, which can lead to side effects if the needle misses the treatment target. Therefore, information regarding appropriate insertion depths, which is currently lacking, could facilitate its safe use. We retrospectively investigated the depth from the skin to the TP and FJ of the lumbar vertebrae, using magnetic resonance imaging (MRI).
Methods: This retrospective chart review was conducted at a single medical centre in Korea. From 55,129 patient records, 158 subjects were selected. Perpendicular depth from the skin to the left and right TPs and FJs was measured using T1-weighted sagittal plane MRI. Depth differences between the left and right sides were evaluated using the paired t-test and analysis of covariance (body mass index [BMI] as a covariate). The influence of BMI on depth at each location was evaluated by simple linear regression analysis.
Results: The mean age was 43.2 years and mean BMI was 23.6 kg/m2. The depth from skin to the TPs or FJs was unaffected by age, sex, or side. Mean depths (cm) were as follows: (TPs) L1 = 4.5, L2 = 4.9, L3 = 5.3, L4 = 5.7, L5 = 5.9; (FJs) L12 = 3.8, L23 = 4.0, L34 = 4.4, L45 = 4.6, L5S1 = 4.6. Depth was highly correlated with BMI at each location.
Conclusion: The depth of TPs and FJs adjusted for BMI can safely and effectively be used for treatment via various invasive interventions, including acupotomy treatment, in the lumbar region.
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KEYWORD
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Acupotomy, Needling depth, MRI, Lumbar spine, Complementary medicine
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