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Clinical Identification of the Vertebral Level at Which the Lumbar Sympathetic Ganglia Aggregate
The Korean Journal of Pain ; : 103-109, 2016.
Artigo em Inglês | WPRIM | ID: wpr-23577
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 1℃ 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.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Temperatura Cutânea / Coluna Vertebral / Seguimentos / Eletrocoagulação / Gânglios Simpáticos / Lidocaína / Agulhas Tipo de estudo: Estudo diagnóstico / Estudo observacional / Estudo prognóstico Limite: Feminino / Humanos / Masculino Idioma: Inglês Revista: The Korean Journal of Pain Ano de publicação: 2016 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Temperatura Cutânea / Coluna Vertebral / Seguimentos / Eletrocoagulação / Gânglios Simpáticos / Lidocaína / Agulhas Tipo de estudo: Estudo diagnóstico / Estudo observacional / Estudo prognóstico Limite: Feminino / Humanos / Masculino Idioma: Inglês Revista: The Korean Journal of Pain Ano de publicação: 2016 Tipo de documento: Artigo