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ORIGINAL ARTICLE
Year : 2012  |  Volume : 28  |  Issue : 3  |  Page : 344-347

The correlation of antepartum upper extremity cuff algometry with epidural analgesic requirements for labor


Department of Anaesthesia, Royal Victoria Hospital, McGill University Health Centre, Quebec, Canada

Correspondence Address:
A R Moore
Department of Anaesthesia, Royal Victoria Hospital, McGill University Health Centre, 687 Avenue Des Pins Ouest Montreal, Quebec, H3A 1A1
Canada
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9185.98333

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Background: Individual parturients experience pain differently, and it is unknown how these differences affect their requirements for labor analgesics. Materials and Methods: Cuff algometry of the upper limb was used to determine the pain thresholds and temporal summation of pain scores in nulliparous women about to undergo induction of labor. Analgesia was provided, upon request, with a patient controlled epidural analgesia infusion of bupivacaine and fentanyl. Nurse-administered epidural boluses of bupivacaine or lidocaine were given for breakthrough pain. Partial Spearman correlations were used to correlate the cuff algometry measurements with the amount of analgesic medication required by the patient. Results: There was no significant correlation between any of the algometry measurements and the number of patient or nurse administered bupivacaine boluses. There was a correlation of 0.7 (P = 0.001) between the temporal summation scores and the hourly number of nurse-administered epidural lidocaine boluses; however, this was based on only 3 patients who required lidocaine boluses. Conclusions: The use of pre-labor cuff algometry of the upper limb does not correlate with the patient epidural analgesic requirements and subsequent analgesia administration.


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