About this trial
This study aims to compare the costotransverse foramen block (CTFB) with thoracic paravertebral block (TPVB) in patients undergoing thoracotomy for lung cancer.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age > 18 years and ≤ 65 years old.
American Society of Anesthesiologists (ASA) physical status II-III.
Body mass index 18-35 kg/m2.
Patients scheduled for thoracotomies for lung cancer.
Disqualifiers
Patient refusal.
History of sensitivity to local anesthetics.
History of psychological disorders.
Contraindication to regional anesthesia, e.g., local sepsis, pre-existing peripheral neuropathies, and coagulopathy.
Trial design
Parallel
Treatments tested in this trial
Costotransverse foramen block
Other interventionPatients will receive an ipsilateral ultrasound-guided costotransverse foramen block with injection of 20 ml bupivacaine 0.25%.
Thoracic paravertebral plane block
Other interventionPatients will receive an ipsilateral ultrasound-guided thoracic paravertebral plane block with injection of 20 ml bupivacaine 0.25%.
Treatment groups
Trial outcomes
Primary outcomes
Total morphine consumption
If the visual analog scale (VAS) is ≥ 4, rescue analgesics will be administered in the form of a 4 mg bolus of morphine.
Secondary outcomes
Duration of analgesia
Duration of analgesia will be recorded from the end of surgery till first dose of morphine administrated.
Degree of pain
Each patient will be instructed about postoperative pain assessment with the visual analog scale (VAS). VAS (0 represents "no pain" while 10 represents "the worst pain imaginable"). VAS will be recorded in post-anesthesia care unit (PACU) and after 1, 6, 12, 24 \& 48 hours postoperatively
Intraoperative fentanyl consumption
Intraoperative fentanyl consumption will be recorded.
Mean arterial blood pressure
Mean arterial blood pressure will be recorded before induction of general anesthesia to be defined as the baseline reading. Another reading will be noted immediately before surgical incision and at 20-minute intervals intraoperatively, and then hourly for the next 4 hours postoperatively.
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