Patients with indication of shoulder surgery will be submitted to ultrasound-guided interscalene brachial plexus block with 4ml or 15ml of bupivacaine- epinephrine 0,5%- 1:200,000 at level of C5-6 roots and will be evaluated their ventilation and pulmonary aeration by electrical impedance tomography
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
TRIPLE
Enrollment
40
The interscalene brachial plexus block is performed with 4ml of bupivacaine-epinephrine 0,5%- 1:200,000
The interscalene brachial plexus block is performed with 15ml of bupivacaine-epinephrine 0,5%- 1:200,000
Federal University of Sao Paulo
São Paulo, Brazil
RECRUITINGFederal University of Sao Paulo - Hospital Sao Paulo
São Paulo, Brazil
RECRUITINGVariation of pulmonary function
Evaluation of variation of pulmonary aeration and ventilation after interscalene brachial plexus block with 4ml or 15 ml of bupivacaine- epinephrine 0,5%1:200,0000. The pulmonary function will be evaluated by electrical impedance tomography.
Time frame: 4 hour
Opioid consumption
Opioid consumption (Tramal - mg) will be recorded during the first 24 hours.
Time frame: 24 hours
Post-Operative pain
The post operative pain will be evaluated using Visual Analog Score for pain during the first 24 hours.
Time frame: 24 hours
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.