Orthopaedic upper limb surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 16-60 years; 2. Body mass index 20-26 kg/m^2; 3. American Society of Anesthesiologists (ASA) classification: I-II; 4. Patients undergoing upper arm, forearm and hand surgery; 5. Agree to receive ultrasound-guided supraclavicular brachial plexus block anesthesia; 6. Patients with sufficient Chinese language ability and a clear understanding of the Numerical Rating Scale (NRS) of pain, who can cooperate with patients in pain assessment; 7. Patients and their families understand and voluntarily sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with a history of chronic pain or long-term use of sedative and analgesic drugs; 2. Patients with a history of neurological, psychiatric or neuromuscular diseases; 3. Patients with multiple injuries requiring other surgery or pain medication; 4. Patients with preoperative nerve injury; 5. Patients with known hypersensitivity to ropivacaine or esketamine and chronic pain reliever users; 6. Patients with poorly controlled or untreated hypertension (resting systolic/diastolic blood pressure over 180/100mmHg); 7. Untreated or undertreated hyperthyroidism (hyperthyroidism) patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Onset time of sensory block; | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart rate, mean arterial pressure, pulse oxygen, respiratory rate;Incidence of adverse reactions;Postoperative NRS pain score;Incidence of rebound pain;Dosage of sufentanil in PCIA pump after operation;PCIA pump effective press and total press times;Onset time of motor block;Duration of block; | — |
Countries
China
Contacts
Xuzhou Cancer Hospital