development dysplasia of hip
Conditions
Interventions
Ropivacaine Group:0.2% ropivacaine 0.5ml/kg (i.e. 1mg / kg) was used for ultrasound-guided L3-4 single point lumbar plexus block
Ropivacaine+0.5ug/kg DEX Group:The diluted dexmedetomidine was extracted according to 0.5ug/kg and added to 0.2% ropivacaine at 0.5ml/kg for ultrasound-guided single point lumbar plexus block
Ropivacaine+1ug/kg DEX Group:The diluted dexmedetomidine was extracted according to 1ug/kg and added to 0.2% ropivacaine at 0.5ml/kg for ultrasound-guided single point lumbar plexus block
Ropivacaine+IV.0.5ug/kg DEX Group:0.2% ropivacaine 0.5ml/kg (1mg / kg) was used for ultrasound-guided L3-4 single point lumbar plexus block. During the operation, 0.5ug/kg DEX was added into 100ml nor
Ropivacaine+IV.1ug/kg DEX Group:0.2% ropivacaine 0.5ml/kg (1mg / kg) was used for ultrasound-guided L3-4 single point lumbar plexus block. During the operation, 1ug/kg DEX was added into 100ml normal
Sponsors
Department of Anesthesiology, Shanghai Sixth People's Hospital
Eligibility
Sex/Gender
All
Age
2 Years to 7 Years
Inclusion criteria
Inclusion criteria: 1) Consent to join the study and obtain informed consent; 2) The age ranged from 2 to 7 years (inclusive); 3) American Society of anesthesiologists (ASA) grade I-II; 4) Children diagnosed as developmental dysplasia of the hip undergoing open reduction, pelvic osteotomy and femoral osteotomy;
Exclusion criteria
Exclusion criteria: 1) Coagulation dysfunction or anticoagulant therapy; 2) Spinal deformity; 3) The puncture site had a history of infection; 4) Allergy to ropivacaine; 5) Neuromuscular diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CHEOPS scores; | — |
Secondary
| Measure | Time frame |
|---|---|
| sufentanil dosage;Incidence of intraoperative hypotension;Incidence of postoperative hypotension;Incidence of bradycardia;Incidence of pruritus;Incidence of vertigo; | — |
Countries
China
Contacts
Public ContactChen Moxi
Department of Anesthesiology, Shanghai Sixth People's Hospital
Outcome results
None listed