The evaluation of tissue oxygen saturation changes on the early detection of the onset of brachial plexus block
- Conditions
- Tissue oxygen saturation changes on the early detection of the onset of brachial plexus block.Brachial plexus blockTissue oxygen saturationNIRS
- Registration Number
- TCTR20210205007
- Lead Sponsor
- Wilasinee Sitisara, MD.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 40
Patient undergoing elective upper limb surgery with brachial plexus block
ASA classification I, II
Documented contraindication for routine brachial plexus block
Anemia Hb < 7g/dl
Signs and symptoms of compartment syndrome in the upper extremity
Wound at measured adhesive site of the upper extremity
Abnormal neurological or vascular function of either arm (i.e. stroke, spasticity, arteriovenous fistulae, or extensive burn wounds)
History of peripheral nerve injury or neuropathy of the affected region
Morbid obesity (BMI >40)
Failed brachial plexus block
Preexisting peripheral vascular disease or diabetes
General anesthesia before brachial plexus block
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Tissue oxygen saturation change Baseline, After brachial plexus block 1,2,3,4,5,10,15,20 min Percent
- Secondary Outcome Measures
Name Time Method Perfusion index, skin temperature Baseline, after brachial plexus block 1,2,3,4,5,10,15,20 min Degree celcius