| A Study on Distance from the Skin to the Thoracic Epidural Space. |
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Sang Hwan Do, Yong Lak Kim |
1Department of Anesthesiology, Boramae City Hospital, Seoul, Korea.
2Department of Anesthesiology, College of Medicine, Seoul National University, Seoul, Korea. |
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| Abstract |
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The depth from the skin to the thoracic epidural space was measured in 121 patients (41 male and 80 female patients) receiving epidural analgesia. The patients age, sex, height, weight were obtained before measuring the distance. The needle angle to the vertical axis to the skin was obtained during inserting Touhy needle. The mean depth was 6.0+/- 1.3 cm, which correlated with other anatomic measurements except height. The depth was correlated with the needle angle. The group with needle angle greater than 30(0) was greater in depth than the other groups. The mean depth was 6.0+/-1.4 cm in males and 6.0+/-1.3 cm in females and there was no difference in depth between male and female. The mean depth was 5.7+/-1.3 cm at the T5-6 interspace and 6.2+/-1.3 cm at the T6-7 interspace and there was no difference in depth between the two groups. |
| Key Words:
Anatomic depth; Epidural analgesia |
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