Related Experiment Video
Updated: May 29, 2026

Clinical Efficacy of an Innovative Multidimensional Traction Therapy in Moderate Adolescent Idiopathic Scoliosis
Published on: February 10, 2026
The evaluation of upper leg traction in lateral position for pediatric caudal block
Mahin Seyedhejazi1, Reza Taheri, Morteza Ghojazadeh
1Department of Anesthesiology, Tabriz Children Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
Insights
Leg traction did not improve the success rate of pediatric caudal blocks in the lateral position. This technique offers no significant advantage over the standard position for achieving effective analgesia in children undergoing surgery.
Area of Science:
- Pediatric Anesthesiology
- Regional Anesthesia Techniques
- Surgical Pain Management
Background:
- Caudal blocks are crucial for pediatric anesthesia, but success depends on accurate needle placement.
- Incorrect caudal block placement can lead to inadequate pain relief and potential complications.
Purpose of the Study:
- To assess if upper leg traction in the lateral position enhances the success rate of caudal blocks in children.
- To compare the efficacy of leg traction versus standard positioning for pediatric caudal anesthesia.
Main Methods:
- A prospective randomized controlled trial involving 200 children (2 months to 6 years) undergoing lower abdominal surgery.
- Children were randomized to receive caudal blocks in the lateral position with upper leg traction or standard positioning (flexed legs).
- Success rates, hemodynamic changes, and lower extremity movement were evaluated.
Main Results:
- No statistically significant difference in the success rate of caudal blocks between the leg traction and standard position groups at the first attempt (P=0.25).
- The standard position group achieved 60% success on the first attempt, while the leg traction group achieved 75%.
- Hemodynamic parameters and blood pressure showed no significant differences between the groups.
Conclusions:
- Upper leg traction does not improve the success rate of pediatric caudal blocks compared to the standard position.
- The findings suggest that leg traction is not a critical factor for successful caudal anesthesia in this patient population.
Purpose:
A well-functioning caudal block is an excellent adjunct to general anesthesia, but misplaced injection results in poor analgesia as well as possibility of serious morbidity. Therefore, the purpose of this study was to evaluate the effectiveness of leg traction on success rate of caudal block in lateral position in children.
Methods:
Two hundred children, age 2 months to 6 years, ASA I and II, who underwent lower abdominal surgeries were randomized in prospective controlled clinical trial study in two groups. After induction of General anesthesia, the caudal block was performed in the lateral position with upper leg traction (L-T-) or with the standard position (S-P) (leg flexed 90°). Hemodynamicchanges, movement of lower extremity in response to surgical stimulus were evaluated.
Results:
There was no significant difference in caudal block's success rate between two groups at first attempt (P=0.25). In group (S-P) the procedure was successful in 60% of cases at first attempt, 25% at second,10% at third attempt and 5% failure of caudal block, whereas in the first group it was 75%, 20%, 1% and 4% of cases respectively. There were no significant differences in heart rate and blood pressure changes between two groups (P>0.05).
Conclusion:
The success rate of pediatric caudal block in upper leg traction did not differ from that of the standard position.
Related Concept Videos
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
One of the advantages of...
Local Anesthetics: Clinical Application as Spinal Anesthesia
Pulse Assessment Sites
Assessing Blood pressure in the Leg
Preparation:

