• Robert Menzies, Kate Congreve, Veiko Herodes, Simon Berg, and David G Mason.
• Nuffield Department of Anesthetics, University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, UK.
• Paediatr Anaesth. 2009 Sep 1;19(9):829-36.

BackgroundCaudal extradural blockade is one of the most commonly performed procedures in pediatric anesthesia. However, there is little information available on variations in clinical practice.ObjectivesTo perform a survey of members of the Association of Paediatric Anaesthetists of Great Britain and Ireland who undertake caudal anesthesia.MethodsAn 'online' World Wide Web questionnaire collected information on various aspects of clinical practice. The survey ran from April to June 2008.ResultsThere were 366 questionnaires completed. The majority of respondents had >5 years of pediatric experience and performed up to ten caudal extradural procedures a month. The commonest device used was a cannula (69.7%) with 68.6% using a 22G device. There was a trend toward the use of a cannula in those anesthetists with <15 years experience, while those with >15 years experience tended to use a needle. Most anesthetists (91.5%) did not believe that there was a significant risk of implantation of dermoid tissue into the caudal extradural space. The majority used a combination of clinical methods to confirm correct placement. Only 27 respondents used ultrasound. The most popular local anesthetics were bupivacaine (43.4%) and levobupivacaine (41.7%). The most common additives were clonidine (42.3%) and ketamine (37.5%). The caudal catheter technique was used by 43.6%. Most anesthetists (74%) wear gloves for a single shot caudal injection.ConclusionsThis survey provides a snapshot of current practice and acts a useful reference for the development of enhanced techniques and new equipment in the future.

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