splenectomy
Conditions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients aged 20-70 years undergoing splenectomy. ASA I-II according to the American Society of Anesthesiologists(ASA) Physical Status Classification System.
Exclusion criteria
Exclusion criteria: 1. Patients with a history of known allergy to local anesthetics, chronic preoperative opioid consumption, or any other analgesic treatment for chronic pain before surgery, psychiatric or neurological diseases; 2. Patients cannot describe postoperative pain to investigators (eg, language barrier, neuropsychiatric disorder), or body mass index of 30 kg/m2 or greater or 15 kg/m2 or less; 3. patients with sereve respiratory or cardiac abnormality.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| analgesic consumption;incidence of PONV; | — |
Secondary
| Measure | Time frame |
|---|---|
| pain score;patient satisfaction score;first time of analgesic;first time ofpass flatus;first time of pass flatus bowel movement;first time for walk;first time for food;emergence time;consumption of remifentanyl intraoperative; | — |
Contacts
Department of Anesthesiology, the Second Affiliated Hospital of Harbin Medical University