• Kenkichi Kiyosawa, Tomoyuki Kawamata, Katsumi Yamamoto, and Mikito Kawamata.
• Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine, Matsumoto 390-8621.
• Masui. 2013 Jul 1;62(7):859-62.

AbstractAn emergency caesarean section was performed in a 38-year-old parturient with pregnancy-induced hypertension at week 31 of gestation because of nonreassuring fetal status. A chest X-ray revealed mild spinal scoliosis. We attempted a combined spinal-epidural anesthesia in the parturient because the Cobb angle was only 28 degrees. However, we failed to achieve epidural puncture at the T12-L1 and L1-2 interspaces using a paramedian approach. In addition, we failed to achieve the puncture of the subarachnoid spaces at L3-4 and L4-5 using medial and paramedian approaches. Finally, we succeeded in puncturing the subarachnoid space at L5-S1 using the median approach, and injected 11 mg of hyperbaric bupivacaine. Analgesia was achieved from the T6 to S regions, and the caesarean section was completed uneventfully. A postoperative X-ray and computed tomography scan revealed that the rotation of the lumbar spine was so severe that the spaces between the laminae of the lumbar regions were shifted to the left and narrowed. Therefore, the puncture of the epidural and subarachnoid spaces was difficult, suggesting that the degree of lumbar spine rotation is more important than the thoracic spine curvature for successful epidural and spinal anesthesia in parturients with scoliosis.

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