Thoracic Paravertebral Blocks Using a Combination of Ropivacaine and Dexmedetomidine
- Registration Number
- NCT03677115
- Lead Sponsor
- China Medical University, China
- Brief Summary
The investigators designed a study to assess whether thoracic paravertebral blocks using a combination of ropivacaine and dexmedetomidine prolong nerve block duration.
- Detailed Description
The investigators designed a study to assess whether thoracic paravertebral blocks using a combination of ropivacaine and dexmedetomidine prolong nerve block duration. The effects of dexmedetomidine have only been compared at lower doses. This trial examined the effect of greater dose of dexmedetomidine on thoracic paravertebral block analgesia duration.
Recruitment & Eligibility
- Status
- WITHDRAWN
- Sex
- All
- Target Recruitment
- Not specified
Inclusion Criteria
- Patients were included in the study if they were ethnic Chinese,
- American Society of Anesthesiologists (ASA) physical status I or II,
- candidates for general anesthesia undergoing thoracic surgery
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Exclusion Criteria
- Patients were excluded if they do not want to cooperate with the test,
- had a history of radial artery puncture or coronary artery bypass grafting,
- had acute vessel trauma,or had been diagnosed with Raynaud' disease,
- had suffered from mental or neurological disorders
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Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SINGLE_GROUP
- Arm && Interventions
Group Intervention Description dexmedetomidine group Dexmedetomidine a combination of ropivacaine and dexmedetomidine
- Primary Outcome Measures
Name Time Method Change of analgesia duration Change from Baseline to 3 days after surgery Change of thoracic paravertebral block analgesia duration
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
the First Hospital of China Medical University
🇨🇳Shenyang, Liaoning, China