Hip/knee arthroplasty
Conditions
Interventions
ED1:0.5% ropivacaine 26ml
ED2:0.5% ropivacaine 26ml with DEX 0.5ug/kg
ED3:0.5% ropivacaine 26ml with DEX 1ug/kg
Sponsors
The First Affiliated Hospital of Anhui Medical University
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: ASA I-III, aged 18-75 years old, normal cognitive function, can cooperate with the completion of the experiment.
Exclusion criteria
Exclusion criteria: 1) coagulation dysfunction; 2) puncture point infections; 3) allergic to local anesthetics or opioids; 4) analgesic drug addicts; 5) refusal of ESP blockade. 6) chronic pain, mental or nervous system diseases; 7) severe cardiovascular and cerebrovascular diseases, liver and kidney dysfunction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS scores in static and dynamic conditions;Duration of the block;The first time of effective pressing of electronic analgesia pump;Effective pressing times of electronic analgesia pump; | — |
Secondary
| Measure | Time frame |
|---|---|
| The dosage of analgesics added at the ward, Medication in operation,Complications after block (hypoxemia, hypotension, sinus bradycardia,somnolence,glossocoma);Complications such as nauseas?vomiting and pneumonia, postoperative hospitalization time; | — |
Countries
China
Contacts
Public ContactLi Yuanhai
The First Affiliated Hospital of Anhui Medical University
Outcome results
None listed