- Article
The Role of Power Doppler Ultrasonography in Caudal Epidural Injection
- Yueh-Hsun Tsai,
- Guo-Shu Huang,
- Chi-Tun Tang,
- Fu-Chi Yang and
- Yi-Chih Hsu
Background and Objectives: Although the ultrasound-guided technique is used in caudal epidural injections, severe complications can happen if ultrasound cannot identify the occurrence of intravascular injection. To determine intraepidural and intrava...