Hip dysfunction
Conditions
Interventions
A:quadratus lumborum block with 0.33% ropivacaine
B:quadratus lumborum block with 0.33% ropivacaine combined with 1 ug/kg dexmedetomidine
C:quadratus lumborum block with 0.25% ropivacaine combined with 1 ug/kg dexmedetomidine
D:quadratus lumborum block with 0.25% ropivacaine combined with 0.75ug/kg dexmedetomidine
Sponsors
Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University
Eligibility
Sex/Gender
All
Age
45 Years to 85 Years
Inclusion criteria
Inclusion criteria: 20 elderly patients with total hip arthroplasty under general anesthesia in the First Affiliated Hospital of Chongqing Medical University, aged 45-85 years, with body mass 45-70 kg, American Society of Anesthesiologists (ASA) Grade I-III.
Exclusion criteria
Exclusion criteria: Obvious dysfunction of heart, brain, lung, liver and kidney; mental patients, local skin infection at puncture site, peripheral neuropathy, coagulopathy, opioid abuse, chronic pain, unable to match visual analogue scale (VAS). Patients taking adrenergic blockers; hypertensive patients whose drugs are uncontrollable; patients with bradycardia; those with unexpected medications such as drug allergies and major bleeding during surgery; others who cannot tolerate this experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sports VAS score;Muscle recovery time;Total amount of tramadol;PCIA pump press times; | — |
Secondary
| Measure | Time frame |
|---|---|
| Resting VAS score;Ramsay??;Incidence of nausea and vomiting;Incidence of sinus bradycardia; | — |
Countries
China
Contacts
Public ContactKaihua He
Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University
Outcome results
None listed