Objective To investigate the clinical characteristics and the causative mechanism of acetabular fracture and dislocation of hip complicated with sciatic nerve injuries. Methods A retrospective analysis was done for 155 cases (159 sides) of acetabular fracture, dislocation of hip, or acetabular fracture combined with hip dislocation, 35 of which were complicated with sciatic nerve injuries. The epidemiological features of acetabular fracture and hip dislocation, the incidence, and relationship between sciatic nerve injury and classifications of acetabular fracture and dislocation of hip were analyzed. Results 81.3%of the patients were male. The ages of 86.5%of the patients ranged from 20 to 50 years old. 83.9%of the cases were injured in traffic accidents. The incidence of sciatic nerve injury was 22.01%in all the patients, 17.19%in patients with acetabular fracture, 12.90%in patients with posterior wall, and 36.36%in patients with acetabular fracture combined with posterior dislocation of hip. Conclusions A road traffic accident is the major causative factor for acetabular fracture and dislocation of hip. Most victims are male. Sciatic nerve injuries largely happen in cases of acetabular posterior wall fracture and posterior column fractures combined with posterior dislocation of hip. Peroneal nerve injuries are the most common type of sciatic nerve injury.

Objective: To investigate the clinical effect of percutaneous transhepatic bile duct drainage guided by ultrasound. Methods: From June 2016 to June 2018, 100 patients with obstructive jaundice in Lishui Central Hospital were treated with ultrasound-guided percutaneous transhepatic bile duct drainage.The success rate and postoperative complications of the patients were analyzed. Results: Among 100 cases, 98 cases were successful, 2 cases failed, and the failure rate was 2%.The success rate of one-time catheterization in 0.5-2.0 cm patients with intrahepatic bile duct diameter(98.91%) was significantly higher than that in intrahepatic bile duct diameter 0.3-0.4 cm patients(87.50%), compared with two different diameter puncture catheterization, the difference was statistically significant(χ²=12.369, P<0.05). All 98 cases with successful puncture were followed up after operation (P<0.05), and there was no statistically significant difference between the two groups(P<0.05). The drainage tube was removed in 2 cases, bile duct infection was found in 2 cases, the remaining patients were unobstructed, and there were no obvious complications. Conclusion Ultrasound-guided percutaneous transhepatic catheterization and drainage for the treatment of obstructive jaundice caused by malignant tumor is simple, reliable, safe and effective, and has a certain clinical value.It is worthy of popularizing and application.