Rebound pain after nerve blockage
Conditions
Interventions
Control group (D) group:0.35% ropivacaine 20ml was administered for ultrasound-guided thoracic paravertebral nerve block
Methylene Blue Group 1(Y1) group:20 ml of 0.35% ropivacaine and 0.01% methylene blue were used for ultrasound-guided thoracic paravertebral nerve block.
Methylene Blue Group 2(Y2) group:20 ml of 0.35% ropivacaine and 0.025% methylene blue were used for ultrasound-guided thoracic paravertebral nerve block.
Sponsors
Neijiang First People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1.Age: 18 - 70 years old; 2.ASA classification grades I - III; 3.Patients who need to undergo thoracoscopic surgery; 4.Voluntarily participate in this research.
Exclusion criteria
Exclusion criteria: 1.Patients who are unable to clearly describe their pain; 2.Patients who have recently used sedatives or anesthetic drugs; 3.There are patients with severe functional impairments of organs such as the heart, liver and kidneys; 4.Other cases that are not suitable for participation in this study; 5.Any disease that makes it difficult for the patient to cooperate; 6.Those who are allergic to the relevant anesthetic drugs; 7.Those with contraindications to paravertebral puncture; 8.Patients with G6PD deficiency.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of rebound pain after nerve block; | — |
Secondary
| Measure | Time frame |
|---|---|
| The highest NRS score when rebound pain occurs;Postoperative resting and active NRS scores;Coughing ability; | — |
Countries
China
Contacts
Public ContactLi Siyan
Neijiang First People's Hospital
Outcome results
None listed