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KMID : 0356919930260020299
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Korean Journal of Anesthesiology
1993 Volume.26 No. 2 p.299 ~ p.302
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The Measurement of Distance from Skin to the Epidural Space in Parturients
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Abstract
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Lumber epidural analgesia is a well established method of providing pain relief during labor. Placement of a meedle in the epidural space is probably one of the more technically demanding procedures which are performed by anesthesiologists.
Two-hundred-thirty-four women receiving epidural analgesia during labor were studied. The distance from skin to the epidural space was measured with Portex disposable epidural needle marked at 1 cm intervals. The mean distance was found to be
4.18
cm.
There was no correlation between distance from skin to the epidural space and height, but was significant correlation with weight(P<0.001). The epidural depths were identified most frequently at 3 to 4 cm deep and 84.2% of total cases were less
than 5
cm deep.
This study suggests that, if the epidural space has not been identified within a depth of 6 cm, redirection or re-insertion of the needle should be considered.
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