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BJA Advance Access published online on October 15, 2008
British Journal of Anaesthesia, doi:10.1093/bja/aen294
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© The Board of Management and Trustees of the British Journal of Anaesthesia 2008. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

Comparison of hyperbaric and plain articaine in spinal anaesthesia for open inguinal hernia repair

M. Bachmann1,2, P. Pere1,2, P. Kairaluoma1,2, P. H. Rosenberg1 and H. Kallio1,*

1 Department of Anaesthesiology and Intensive Care Medicine
2 Maria Hospital, Helsinki University Hospital, Helsinki, Finland

* Corresponding author: Department of Anaesthesia, Eye Hospital, Helsinki University Central Hospital, Haartmaninkatu 4, PO Box 220, 00029 HUS, Finland. E-mail: helena.kallio{at}hus.fi

Background: Fast onset and short duration are prominent properties of the amide-type local anaesthetic articaine. Similar to bupivacaine, a hyperbaric solution of articaine may produce faster onset and shorter duration of spinal anaesthesia than a plain solution.

Methods: Patients undergoing open inguinal hernia repair received in random order articaine 84 mg in either hyperbaric (HyperA, n=49) or plain solution (PlainA, n=48) intrathecally. A blinded observer tested the dermatomal spread (pinprick) and motor block (Bromage scale).

Results: Median (range) onset time to the T10 dermatome was 2 (2–8) (n=46) and 6 (2–30) min (n=39) (P<0.001), and the duration of the sensory block at (or above) the T10 dermatome was 86 (39–148) and 69 (15–118) min (P=0.007), in Groups HyperA and PlainA, respectively. Peak sensory block was greater in Group HyperA T4 (L2–C2) than in Group PlainA T8–T7 (L3–T3) dermatome, median (range), P<0.001. Spread of the block to the cervical dermatomes associated with hypotension occurred in three patients of Group HyperA (one patient C2 and two C4). The sensory block resolved to the S2 dermatome significantly faster in Group HyperA, 2.5 (1.5–4.5) h, than in Group PlainA, 3.5 (2.0–4.5) h (P<0.001). Median duration of the motor block was significantly shorter in Group HyperA, 2.0 (1.3–3.5) vs 3.0 (1.5–4.0) h (P<0.001).

Conclusions: Hyperbaric articaine 84 mg had a faster onset and shorter duration of spinal anaesthesia than the plain solution.

Keywords: anaesthetic techniques, regional, spinal; anaesthetics local, articaine; surgery, ambulatory


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Safety of Articaine in subarachnoid space
Muhammad Rahim Kayani
British Journal of Anaesthesia, 5 Dec 2008 [Full text]
Re: Safety of Articaine in subarachnoid space
Helena Kallio, et al.
British Journal of Anaesthesia, 16 Dec 2008 [Full text]

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