Clinical Identification of the Vertebral Level at Which the Lumbar Sympathetic Ganglia AggregateClinical Identification of the Vertebral Level at Which the Lumbar Sympathetic Ganglia Aggregate
- Other Titles
- Clinical Identification of the Vertebral Level at Which the Lumbar Sympathetic Ganglia Aggregate
- Authors
- Ji Won An; 고재철; Jong Min Sun; 박주연; Jong Bum Choi; Myung Ju Shin; 이윤우
- Issue Date
- 2016
- Publisher
- 대한통증학회
- Keywords
- Clinical identification; Lumbar; Neurolytic; Radiofrequency; Sympathetic ganglia; Vertebral level.
- Citation
- The Korean Journal of Pain, v.29, no.2, pp.103 - 109
- Indexed
- SCOPUS
KCI
- Journal Title
- The Korean Journal of Pain
- Volume
- 29
- Number
- 2
- Start Page
- 103
- End Page
- 109
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/91013
- ISSN
- 2005-9159
- Abstract
- Background: The location and the number of lumbar sympathetic ganglia (LSG) vary between individuals. The aim of this study was to determine the appropriate level for a lumbar sympathetic ganglion block (LSGB), corresponding to the level at which the LSG principally aggregate.Methods: Seventy-four consecutive subjects, including 31 women and 31 men, underwent LSGB either on the left (n = 31) or the right side (n = 43). The primary site of needle entry was randomly selected at the L3 or L4 vertebra. A total of less than 1 ml of radio opaque dye with 4% lidocaine was injected, taking caution not to traverse beyond the level of one vertebral body. The procedure was considered responsive when the skin temperature increased by more than 1oC within 5 minutes.Results: The median responsive level was significantly different between the left (lower third of the L4 body) and right (lower margin of the L3 body) sides (P = 0.021). However, there was no significant difference in the values between men and women. The overall median responsive level was the upper third of the L4 body. The mean responsive level did not correlate with height or BMI. There were no complications on short-term follow-up.Conclusions: Selection of the primary target in the left lower third of the L4 vertebral body and the right lower margin of the L3 vertebral body may reduce the number of needle insertions and the volume of agents used in conventional or neurolytic LSGB and radiofrequency thermocoagulation. (Korean J Pain 2016; 29: 103-9)
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