Brachial Plexus Block Clinical Trial
Official title:
Evaluation of Variation of Ventilation and Pulmonary Aeration Using Electrical Impedance Tomography in Patients With Interscalene Brachial Plexus Block for Shoulder Surgery
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
Status | Recruiting |
Enrollment | 40 |
Est. completion date | December 17, 2018 |
Est. primary completion date | October 17, 2018 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 70 Years |
Eligibility |
Inclusion Criteria: - shoulder surgery - indication of interscalene brachial plexus block - American Society of Anesthesiology Physical Status Classification I or II Exclusion criteria: - refuse to participate - previous lung or diaphragma surgeries |
Country | Name | City | State |
---|---|---|---|
Brazil | Federal University of Sao Paulo | Sao Paulo | |
Brazil | Federal University of Sao Paulo - Hospital Sao Paulo | Sao Paulo |
Lead Sponsor | Collaborator |
---|---|
Federal University of São Paulo |
Brazil,
Gautier P, Vandepitte C, Ramquet C, DeCoopman M, Xu D, Hadzic A. The minimum effective anesthetic volume of 0.75% ropivacaine in ultrasound-guided interscalene brachial plexus block. Anesth Analg. 2011 Oct;113(4):951-5. doi: 10.1213/ANE.0b013e31822b876f. — View Citation
Gottardis M, Luger T, Flörl C, Schön G, Penz T, Resch H, Benzer A. Spirometry, blood gas analysis and ultrasonography of the diaphragm after Winnie's interscalene brachial plexus block. Eur J Anaesthesiol. 1993 Sep;10(5):367-9. — View Citation
Hortense A, Perez MV, Amaral JL, Oshiro AC, Rossetti HB. Interscalene brachial plexus block. Effects on pulmonary function. Rev Bras Anestesiol. 2010 Mar-Apr;60(2):130-7, 74-8. English, Portuguese, Spanish. — View Citation
Renes SH, Rettig HC, Gielen MJ, Wilder-Smith OH, van Geffen GJ. Ultrasound-guided low-dose interscalene brachial plexus block reduces the incidence of hemidiaphragmatic paresis. Reg Anesth Pain Med. 2009 Sep-Oct;34(5):498-502. doi: 10.1097/AAP.0b013e3181b — View Citation
Renes SH, van Geffen GJ, Rettig HC, Gielen MJ, Scheffer GJ. Minimum effective volume of local anesthetic for shoulder analgesia by ultrasound-guided block at root C7 with assessment of pulmonary function. Reg Anesth Pain Med. 2010 Nov-Dec;35(6):529-34. do — View Citation
Riazi S, Carmichael N, Awad I, Holtby RM, McCartney CJ. Effect of local anaesthetic volume (20 vs 5 ml) on the efficacy and respiratory consequences of ultrasound-guided interscalene brachial plexus block. Br J Anaesth. 2008 Oct;101(4):549-56. doi: 10.109 — View Citation
Sinha SK, Abrams JH, Weller RS. Ultrasound-guided interscalene needle placement produces successful anesthesia regardless of motor stimulation above or below 0.5 mA. Anesth Analg. 2007 Sep;105(3):848-52. — View Citation
Urmey WF, Gloeggler PJ. Pulmonary function changes during interscalene brachial plexus block: effects of decreasing local anesthetic injection volume. Reg Anesth. 1993 Jul-Aug;18(4):244-9. — View Citation
Urmey WF, McDonald M. Hemidiaphragmatic paresis during interscalene brachial plexus block: effects on pulmonary function and chest wall mechanics. Anesth Analg. 1992 Mar;74(3):352-7. — View Citation
Urmey WF, Talts KH, Sharrock NE. One hundred percent incidence of hemidiaphragmatic paresis associated with interscalene brachial plexus anesthesia as diagnosed by ultrasonography. Anesth Analg. 1991 Apr;72(4):498-503. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Variation 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. | 4 hour | |
Secondary | Opioid consumption | Opioid consumption (Tramal - mg) will be recorded during the first 24 hours. | 24 hours | |
Secondary | Post-Operative pain | The post operative pain will be evaluated using Visual Analog Score for pain during the first 24 hours. | 24 hours |
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