Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/75936
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Type: Journal article
Title: Assessment of block height for satisfactory spinal anaesthesia for caesarean section
Author: Ousley, R.
Egan, C.
Dowling, K.
Cyna, A.
Citation: Anaesthesia, 2012; 67(12):1356-1363
Publisher: Blackwell Publishing Ltd
Issue Date: 2012
ISSN: 0003-2409
1365-2044
Statement of
Responsibility: 
R. Ousley, C. Egan, K. Dowling and A. M. Cyna
Abstract: We investigated block heights that anaesthetists considered adequate for caesarean section to proceed under spinal anaesthesia. During 3 months, 15 obstetric anaesthetists recorded block height to touch, pinprick or cold when spinal anaesthesia was considered satisfactory for caesarean section to proceed. Median (IQR [range]) block height for touch, pinprick, first cold and icy were: T10 (T7–T12 [T3–L1]); T5 (T4–T6 [C7–L1]); T5 (T4–T6 [C7–L1]); and T3 (T2–T4 [C7–L1]), respectively. Modalities were significantly correlated for: touch and cold, p = 0.0001; touch and icy, p = 0.0007; touch and pinprick, p = 0.0018; cold and icy, p < 0.0001; cold and pinprick, p = 0.0001; icy and pinprick, p < 0.0001. Pairwise comparisons showed differences between all modalities (p < 0.001) apart from pinprick and first cold (p = 0.94). All women had satisfactory anaesthesia despite 76 (81%) having a block to touch below T6. Single modality assessment of block height, particularly using touch, may erroneously indicate inadequate anaesthesia for caesarean section.
Keywords: Humans
Bupivacaine
Morphine
Fentanyl
Analgesics, Opioid
Anesthetics, Local
Pain Measurement
Anesthesia, Spinal
Anesthesia, Obstetrical
Cesarean Section
Touch
Sensation
Pregnancy
Dose-Response Relationship, Drug
Adult
Middle Aged
Patient Satisfaction
Australia
Female
Cold Temperature
Young Adult
Rights: Anaesthesia © 2012 The Association of Anaesthetists of Great Britain and Ireland
DOI: 10.1111/anae.12034
Published version: http://dx.doi.org/10.1111/anae.12034
Appears in Collections:Aurora harvest 4
Obstetrics and Gynaecology publications

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