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Published on: June 11, 2017
[Pediatric caudal anesthesia : importance and aspects of safety concerns]
1Anästhesieabteilung, Universitäts-Kinderkliniken Zürich, Steinwiesstr. 75, 8032, Zürich, Schweiz. jacqueline.mauch@kispi.uzh.ch
Insights
Caudal blocks are safe for pediatric pain relief when technical details are followed. Using local anesthetic with epinephrine aids in detecting accidental intravascular injection, enhancing patient safety.
Area of Science:
- Anesthesiology
- Pediatric Surgery
Background:
- Caudal block is a widely used and generally safe procedure for pediatric perioperative analgesia.
- While complications are rare, potential local and systemic contraindications must be carefully evaluated.
- Adherence to technical details is crucial for optimizing safety and quality outcomes.
Purpose of the Study:
- To review the technical details and safety considerations for performing caudal blocks in pediatric patients.
- To highlight strategies for preventing and managing potential complications, such as inadvertent intravascular injection and systemic toxicity.
Main Methods:
- Review of existing literature and guidelines on caudal block procedures in pediatrics.
- Discussion of anesthetic agents, adjuvants, and technical aspects relevant to safety.
- Emphasis on measures for prevention, early detection, and management of complications.
Main Results:
- Local anesthetics (LA) with epinephrine are recommended for test doses to detect intravascular administration.
- Clonidine demonstrates a favorable risk/benefit profile as an adjuvant with minimal side effects.
- Systemic LA intoxication is a rare but potentially fatal complication requiring immediate resuscitation protocols.
Conclusions:
- Meticulous attention to technical details is paramount for safe and effective pediatric caudal blocks.
- Epinephrine-containing solutions are valuable for early detection of intravascular injection.
- Standard resuscitation guidelines, including epinephrine, are essential in managing circulatory arrest, with lipid emulsions as a potential adjunct.
Abstract:
Caudal block is a safe procedure commonly used for pediatric perioperative analgesia. Complications are extremely rare but nevertheless local and systemic contraindications must be excluded. Optimal safety and quality result when strict attention is paid to technical details. These are discussed in detail in this review. A local anesthetic (LA) containing epinephrine allows early detection of inadvertent intravascular LA administration; therefore an epinephrine/LA mixture is recommended at least for the test dose. In terms of safety the choice of LA itself is probably of secondary importance. Clonidine as an adjuvant has an excellent risk/benefit profile with minimal side effects. Inadvertent systemic LA intoxication is a rare but potentially fatal complication of regional anesthesia and measures for prevention and early detection are essential. Should circulatory arrest occur, immediate resuscitation following standard guidelines is to be initiated including the use of epinephrine as the first line drug. Intravenous administration of lipid solutions may be beneficial as a secondary adjunct to stabilize hemodynamics but is not an alternative to epinephrine.
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