Pneumothorax/Pulmonary nodules/Malignant lung tumors/Pulmonary metastases
Conditions
Interventions
Low injection pressure group:The injection pressure was maintained at 10 psi under a pressure monitor throughout until the injection was complete.
High injection pressure group:The injection pressure was maintained at 20 psi under a pressure monitor throughout until the injection was complete.
Sponsors
Department of Anaesthesiology, Xi'an Aerospace General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 40 patients, aged = 18 years old, with normal development and no gender limit, diagnosed as pneumothorax/pulmonary nodules/malignant lung tumors/pulmonary metastases and requiring elective three-port VAT, were classified as I-III by the American Society of Anesthesiologists (ASA), BMI:18.5-30 kg/m2.
Exclusion criteria
Exclusion criteria: ? proposed for emergency surgery; ? pregnant and lactating women; ? abnormal coagulation or bacteremia, septicemia or puncture site infection; ? allergic to the anaesthetics used in the study; ? combined with neurological disorders, spinal disorders (deformity or trauma), history of thoracic spine surgery, history of open thoracic surgery or thoracoscopic surgery, the skin sensory abnormality of the thoracic and dorsal back; ? history of chronic pain or chronic opioid use; ? combined with mental illness, incapable of full capacity. History of chronic pain or chronic opioid use.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Range of sensory blockade plane; | — |
Secondary
| Measure | Time frame |
|---|---|
| Intraoperative opioid consumption;Time of first postoperative switching on of analgesic pump;Mean NRS at rest at 24h postoperatively;Maximum NRS score at 24h postoperative exercise;The number of analgesic remedies and the amount of analgesic drugs used; | — |
Countries
China
Contacts
Public ContactLei Duan
Xi'an Aerospace General Hospital
Outcome results
None listed