Subarachnoid anesthesia
Conditions
Interventions
L5/S1 group:Subarachnoid puncture was performed in the L5/S1 intervertebral space
L3/4 group:Subarachnoid puncture was performed in the L3/4 intervertebral space
Sponsors
The Second Affiliated Hospital of Kunming Medical University
Eligibility
Sex/Gender
All
Age
65 Years to 100 Years
Inclusion criteria
Inclusion criteria: 65 years old = age =100 years old, ASA grade I-IV, scheduled for hip fracture surgery (internal fixation and joint replacement)
Exclusion criteria
Exclusion criteria: (1) Refusing to participate in the study; (2) There are contraindications for intraspinal block (local anesthetic allergy, coagulation dysfunction, puncture site infection, serious heart disease, etc.); (3) History of spinal deformity or spinal surgery; (4) neurological diseases (lumbar spinal stenosis, lumbar disc herniation, myelopathy, etc.); (5) Communication barriers or inability to cooperate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Whether the puncture was successful the first time; | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of puncture attempts;Puncture time;Whether symptoms of nerve irritation occurred at the time of puncture;Highest cutaneous sensory block plane;The time it takes to reach the highest plane;Whether unilateral block occurs;Whether supplementary analgesics are needed;Whether to change to general anesthesia;Whether hypotension occurs;Whether bradycardia occurs;Intraoperative vasoactive drug use;The amount of fluid transfused; | — |
Countries
China
Contacts
Public ContactChen Zhou
The Second Affiliated Hospital of Kunming Medical University
Outcome results
None listed