Single and Double Injection Bilateral Thoracic Paravertebral Blocks in Reduction Mammaplasty
Pain, Postoperative
About this trial
This is an interventional supportive care trial for Pain, Postoperative focused on measuring Thoracic paravertebral blocks, Postoperative analgesia, numeric rating scale, Dermatomal blockade distribution, Postoperative time until first pain, Analgesic consumption, Reduction mammaplasty
Eligibility Criteria
Inclusion Criteria:
- American Society of Anesthesiologists (ASA) physical status of 1-3
- Capable of consenting
- Capable of understanding the instructions for using the NRS pain scores
- Capable of replying the study-based questions
- Lack of contraindications to regional anesthesia (allergy to a LA, local infection, and coagulopathy) and especially TPVB
- Absence of mental/psychiatric disorders
- Absence of chronic analgesic/opioid use
- Absence of alcohol/illicit drug use
Exclusion Criteria:
- Patient refusal
- American Society of Anesthesiologists (ASA) physical status of 4
- Not capable of consenting
- Not capable of understanding the instructions for using the NRS pain scores
- Not capable of replying the study-based questions
- Contraindications to regional anesthesia (allergy to a LA, local infection, and coagulopathy) and especially TPVB
- Presence of mental/psychiatric disorders
- Presence of chronic analgesic/opioid use
- Presence of alcohol/illicit drug use
Sites / Locations
- Istanbul University, Istanbul Faculty of Medicine
Arms of the Study
Arm 1
Arm 2
Active Comparator
Active Comparator
Group S (single injection TPVB group)
Group D (double injection TPVB group)
Patients received bilateral single injection ultrasound-guided TPVB at the level of T3-T4 with 20 mL bupivacaine 0.375% per injection/side.
Patients received bilateral double injection ultrasound-guided TPVB at the level of T2-T3 and T4-T5 with 10 mL bupivacaine 0.375% per injection (20 mL bupivacaine 0.375% per side as the single injection group).