Rebound Pain after intraspinal anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.patients between 18 and 65 year of age. 2. ASA ?-?. 3.Body mass index ( BMI ) 18-30 kg/m^2. 4.Patients with Hemorrhoidectomy under intraspinal anesthesia.
Exclusion criteria
Exclusion criteria: 1.allergic to local anesthetics and other drugs used. 2.Patients with contraindications to spinal anesthesia. 3.Severe liver dysfunction (aspartate or alanine aminotransferase, or bilirubin > 2.5 times the upper limit of normal). 4.Renal dysfunction (creatinine clearance< 60ml·min-1). 5.Arrhythmia or systolic heart failure (second and third degree heart block and ejection fraction < 50%)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of rebound pain; | — |
Secondary
| Measure | Time frame |
|---|---|
| Numeric Rating Scales;need remedial analgesia time for the first time within 24h after intraspinal anesthesia;The first postoperative exhaust and defecation time; | — |
Countries
China
Contacts
Department of Anesthesiology, Ningbo Medical Center Lihuili Hospital