Distribution of Contrast Medium Epidurally Injected at Thoracic and Lumbar Vertebral Segments

Di ZHANG; Reina FUJIWARA; Toshie ISERI; Shotaro NAGAHAMA; Kei KAKISHIMA; Masatoshi KAMATA; Manabu MOCHIZUKI; Takayuki NAKAGAWA; Nobuo SASAKI; Ryohei NISHIMURA

doi:10.1292/jvms.11-0276

Surgery

Distribution of Contrast Medium Epidurally Injected at Thoracic and Lumbar Vertebral Segments

Di ZHANG, Reina FUJIWARA, Toshie ISERI, Shotaro NAGAHAMA, Kei KAKISHIMA, Masatoshi KAMATA, Manabu MOCHIZUKI, Takayuki NAKAGAWA, Nobuo SASAKI, Ryohei NISHIMURA

Author information

Di ZHANG
Laboratory of Veterinary Emergency Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Reina FUJIWARA
Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Toshie ISERI
Department of Advanced Clinical Medicine, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan
Shotaro NAGAHAMA
Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Kei KAKISHIMA
Laboratory of Veterinary Emergency Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Masatoshi KAMATA
Laboratory of Veterinary Emergency Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Manabu MOCHIZUKI
Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Takayuki NAKAGAWA
Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Nobuo SASAKI
Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
Ryohei NISHIMURA
Laboratory of Veterinary Emergency Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan

Keywords: canine, CT epidurography, lumbar segment, thoracic segment

JOURNAL FREE ACCESS

2013 Volume 75 Issue 5 Pages 663-666

DOI https://doi.org/10.1292/jvms.11-0276

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Abstract

The epidural distribution of iohexol (0.2 ml/kg) administered at thoracic vertebrae (Thoracic group) and lumbar vertebrae (Lumbar group) was compared by computed tomographic (CT) epidurography in dogs. The total spread of iohexol was similar between the 2 groups upon reaching a similar cranial level. The maximal CT values were higher at the C7/T1 and T4/T5 levels in Thoracic group, but they were higher at the T13/L1 and L4/L5 levels in Lumbar group (P<0.05). This result suggests that the distribution pattern of the drug administered epidurally at thoracic vertebrae and lumbar vertebrae is different in dogs.

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