None
Conditions
Interventions
Normal Group:BMI:18.5-24.9kg/m^2:None
Overweight Group: BMI 25–29.9 kg/m^2:None
Class I Obesity Group :BMI 30-34.9 kg/m^2:None
Obesity Class II and Above Group: BMI >=35 kg/m^2:None
First-Year Residents Group:None
Second-Year Residents Group:None
Third-Year Residents Group:None
Sponsors
Hangzhou First People's Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Parturients to receive either scheduled cesarean section or painless labor; 2.ParturientASA I-II; 3.Residents undergoing standardized training in anesthesiology.
Exclusion criteria
Exclusion criteria: 1.Parturients with Spinal Deformities (Scoliosis >10°, Kyphosis); 2.Parturient with a history of spinal surgery; 3.Parturients with skin infection at the intended puncture site; 4.Parturients unable to cooperate, including those for emergency surgery; 5.Parturient Group with BMI <18.5 kg/m^2.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Horizontal Deviation (Horizontal Distance, mm); | — |
Primary
| Measure | Time frame |
|---|---|
| Vertical Deviation (Vertical Distance, mm);Correct identification of the interspinous space; | — |
Countries
China
Contacts
Public ContactYang Guanghui
Hangzhou First People's Hospital
Outcome results
None listed