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Korean J Anesthesiol > Volume 41(4); 2001 > Article
Korean Journal of Anesthesiology 2001;41(4):439-443.
DOI: https://doi.org/10.4097/kjae.2001.41.4.439   
Chemical Lumbar Sympathetic Block: Comparison of One- Versus Two-needle Techniques.
Chul Jun Mun, Kyu Jong Lee, Sang Gon Lee, Jong Il Kim, Jong Suk Ban, Byung Woo Min
1Department of Anesthesiology, Fatima Hospital, Daegu, Korea.
2Kim Jong Il Pain Clinic, Daegu, Korea.
It was frequently noticed in the course of performing a two-needle sympathectomy, that satisfactory spread of contrast solution could be produced by injection through only one of the needles. This led to a closer examination of the merits of single-needle technique.
Forty patients were randomized into two groups. Patients in the single-needle group (n = 20) were injected at the second or third lumbar sympathetic ganglia, while patients in the two-needle group (n = 20) were injected at the second and third lumbar sympathetic ganglia. Lumbar sympathetic blocks were performed using 3 ml of alcohol and the spread of injectate was verified with C-arm fluoroscopy. The indicators of a successful sympathetic block are increasing skin temperature, decreasing pain, and anhidrosis in the distal extremity.
The duration of anhidrosis was 12.2 2.6 months (mean SD) in the single-needle group versus 13.6 3.6 months (mean SD) in the two-needle group.
As these results were not significantly different from those obtained in patients having a two-needle sympathectomy, blockade of the single-needle technique under C-arm fluoroscopy is considered to be effective for a neurolytic lumbar sympathectomy.
Key Words: alcohol; lumbar sympathetic block


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