Postoperative pain
Conditions
Interventions
Intervention group (tDCS group): Patients received 2 mA tDCS for 20 minutes. The current rose for 30 seconds at the beginning and then dropped for 30 seconds at the end.
Control group (sham tDCS group)::At the start of each treatment session, patients only received a 30-second current rise and a 30-second current drop, with no constant 2 mA stimulation for the remaini
Sponsors
Affiliated Hospital of Guizhou Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 90 Years
Inclusion criteria
Inclusion criteria: The enrolled subjects must meet all of the following conditions: 1 Patients scheduled for elective "laparoscopic radical resection of colon or rectal cancer" under general anesthesia; 2 Age >= 18 years; 3 ASA classification I-III; 4 Clear consciousness and ability to act; 5 Preoperative sleep disorder: Pittsburgh Sleep Quality Index (PSQI) score >= 7 points
Exclusion criteria
Exclusion criteria: 1 Hearing impairment, unable to complete the test as required; 2 Individuals with a history of central nervous system diseases who have developed language or intellectual impairments; 3 Those with contraindications for tDCS (such as skull defects or skin injuries); 4 Patients with metal or electronic implants in the brain or nearby areas: such as brain pacemakers, cerebral vascular clips, cardiac pacemakers, etc.; 5 History of epilepsy, skin damage, severe heart, lung, kidney, or liver diseases, pregnancy, or history of drug abuse (including alcohol use); 6 Chronic pain syndromes, long-term use of opioid drugs or sedatives (>3 months); 7 Severe mental disorders (such as depression, schizophrenia); 8 Unable to understand sleep and pain scores and unable to cooperate with the research; 9 BMI 35 kg/m2; 10 Allergic or contraindicated to opioid drugs, non-steroidal anti-inflammatory drugs (NSAIDs), or antiemetic drugs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of moderate to severe pain in patients within 24 hours after the operation (defined as a Numerical Rating Scale NRS score of 4 or higher).; | — |
Secondary
| Measure | Time frame |
|---|---|
| The first postoperative analgesic administration was administered at a time immediately following the completion of the surgery.;The cumulative number of times of remedial analgesia used within 24 hours, 48 hours and 72 hours after the operation.;Sleep quality the night before the surgery and the first night after the surgery;The occurrence of nausea and vomiting within 24 hours, 48 hours, and 72 hours after the operation (mild, moderate, severe);Postoperative 72-hour recovery quality and satisfaction with pain relief;The number of days spent in hospital after the surgery and the proportion of patients with fever;The incidence and duration of new shoulder pain, lower limb pain or numbness that occurred after the surgery;The incidence of subacute pain, sleep quality and all-cause mortality 30 days after the surgery;The incidence of chronic pain on the 90th day after the surgery;The incidence rates of moderate to severe pain in patients within 48 hours and 72 hours after the operation; | — |
Countries
China
Contacts
Public ContactShi Jing
Affiliated Hospital of Guizhou Medical University
Outcome results
None listed