1.Between February 1997 and October 1998, 11 patients(aged 11-19 years) with acute traumatic hemarthrosis underwent the arthroscopic procedure under extra epidural anesthesia.
1997年2~1998年8节镜下诊治的11例青少年创伤性膝节血肿患者。
2.Although epidural anesthesia is a common practice in neuraxial blockade, difficult access to the epidural space is a frequent problem in operating theaters.