in this study the investigators will investigate and compare the analgesic efficacy of two techniques (continuous TPVB and continuous ESPB) in relieving thoracotomy pain
General Anesthesia will be induced with Fentanyl (1-2 μg/kg), Propofol (2-3 mg/kg), and Atracurium (0.5-0.8 mg/kg). Pressure controlled Volume guarantee Ventilation mode will be used to maintain O2 Saturation Above 98% and End tidal co2 Around 30-35 mmHg. Anesthesia will be maintained with Isoflurane 1.2 Minimum Alveolar Concentration inhalation after induction Group A: Patients will receive Loading dose of 20 ml 0.25% bupivacaine then continuous infusion U/S-Guided TPVB of 5 ml/h of 0.125% bupivacaine started through the catheter before the surgical procedure intraoperative and Group B: Patients will receive Loading dose of 20 ml 0.25% bupivacaine then continuous U/S-Guided ESPB of 5 ml/h of 0.125% bupivacaine started through the catheter before the surgical procedure intraoperative.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
40
continuous infusion U/S-Guided TPVB of 5 ml/hr of 0.125% bupivacaine started through the catheter before the surgical procedure intraoperative.
continuous U/S-Guided ESPB of 5 ml/hr of 0.125% bupivacaine started through the catheter before the surgical procedure
Menoufia university
Cairo, Shibin Elkom, Egypt
Compare the VAS score postoperative of (U/S)-guided continuous (ESPB) to continuous (TPVB) following thoracotomy
visual analogue scale (VAS) Score
Time frame: 48 hours
1 st call analgesia
mg
Time frame: 1 hour
Total rescue opioid dose used
mg
Time frame: 48 hour
patient satisfaction at 24 hours
Time frame: 24 hours
occurrence of adverse events
Time frame: 24hours
hospital stay
days
Time frame: 1 week
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