US-Guided Preemptive Brachial Plexus Blockade May Reduce Post-operative Pain: a Randomized Study
Postoperative Pain, Rotator Cuff Injuries
About this trial
This is an interventional other trial for Postoperative Pain focused on measuring Postoperative pain, Rotator cuff injuries, Preemptive analgesia
Eligibility Criteria
Inclusion Criteria:
- Body mass index < 35 kg/m²
- shoulder pain lasting > 3 months
- pain score > 3 (visual analog scale and verbal response 0 to 10) on the day of pre anesthetic evaluation
- American Society of Anesthesiologists score I or II
- mentally and legally capable to understand and consent to study participation.
Exclusion Criteria:
- Allergy to any medication of the trial
- refusal to participate, contraindication to any medication or technique described in the protocol of the trial
- complications from, or failure of brachial plexus blockade.
Sites / Locations
- Hospital das Clínicas - Faculdade de Medicina da Universidade de Sao PauloRecruiting
Arms of the Study
Arm 1
Arm 2
Placebo Comparator
Experimental
Standard group
Preemptive group
Patients from this group will undergo only ultrasound examination of the brachial plexus, two days before the surgery. On the day of surgery they will undergo ultrasound-guided brachial plexus blockade (interscale access; 15 ml 1% ropivacaine and sedation (midazolam 3 mg, fentanyl 50 µg and 15 mg ketamine.
Patients from this group will undergo ultrasound-guided brachial plexus blockade, two days before the surgery. On the day of surgery they will undergo ultrasound-guided brachial plexus blockade (interscale access; 15 ml 1% ropivacaine and sedation (midazolam 3 mg, fentanyl 50 µg and 15 mg ketamine.