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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03577860
Other study ID # 48739315.4.0000.5505
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date May 17, 2018
Est. completion date December 17, 2018

Study information

Verified date June 2018
Source Federal University of São Paulo
Contact Leonardo HC Ferraro, PhD
Phone +5511999516103
Email leohcferraro@yahoo.com.br
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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


Recruitment information / eligibility

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

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Bupivacaine 4 mL
The interscalene brachial plexus block is performed with 4ml of bupivacaine-epinephrine 0,5%- 1:200,000
Bupivacaine 15 mL
The interscalene brachial plexus block is performed with 15ml of bupivacaine-epinephrine 0,5%- 1:200,000

Locations

Country Name City State
Brazil Federal University of Sao Paulo Sao Paulo
Brazil Federal University of Sao Paulo - Hospital Sao Paulo Sao Paulo

Sponsors (1)

Lead Sponsor Collaborator
Federal University of São Paulo

Country where clinical trial is conducted

Brazil, 

References & Publications (10)

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

Outcome

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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