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KMID : 1141120150010010015
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The Nerve
2015 Volume.1 No. 1 p.15 ~ p.19
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The Effect of Medial Branch Block for Low Back Pain in Elderly Patients
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Lee Heui-Seung
Park Sung-Bae
Lee Sang-Hyung
Chung Young-Seob
Yang Hee-Jin
Son Young-Je
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Abstract
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Objective: The aim of this cross-sectional study was to evaluate the outcome of a medial branch block (MBB) in elderly patients to determine the factors associated with the degree of pain relief.
Methods: Fifty-six patients 75 years or older with MBB from January 2013 to July 2015 were classified into two groups by the degree of pain relief. The outcome of the MBB was evaluated according to clinical factors.
Results: A MBB was shown to be effective for 39 (69.6%) patients. Seventeen (30.4%) were categorized in the non-effective group. The two groups were significantly different in the history of previous lumbar spine surgery but had similar ages represented (p=0.019).
Conclusion: A MBB can be an effective minimally invasive intervention in elderly patients. Because the MBB seemed less effective for the patients who had a lumbar surgery, careful selection of the patients before performing a MBB is necessary to provide a higher success rate of pain relief.
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KEYWORD
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Low back pain, Media, Nerve block, Zygapophyseal Joint
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