Hemodynamic changes occurring after subarachnoid block
Conditions
Interventions
test team:2.67 mL of 0.375% ropivacaine.
control group:2mL of 0.5% ropivacaine.
Sponsors
Zhejiang Xiaoshan Hospital
Eligibility
Sex/Gender
All
Age
75 Years to 110 Years
Inclusion criteria
Inclusion criteria: 1. Age >=75 years, both sexes; 2. American Society of Anesthesiologists (ASA) physical status I–III; 3. Scheduled for elective surgery under spinal anesthesia, including hemiarthroplasty, total hip arthroplasty, internal fixation of hip fracture, great saphenous vein surgery, transurethral resection of the prostate, internal fixation of lower limb fracture, and removal of internal fixation.
Exclusion criteria
Exclusion criteria: 1. Ppresence of contraindications to spinal anesthesia (e.g., coagulopathy, platelet count 35 kg/m².
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypotension within 20 minutes after spinal anesthesia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Dosage of vasoactive drugs;Duration of stay in the anesthesia recovery room;Timing and Dosage of Epidural Top-up; | — |
Countries
China
Contacts
Public ContactPeng Song
Zhejiang Xiaoshan Hospital
Outcome results
None listed