Video assisted thoracoscopic surgery (VATS) is a minimally invasive surgery to remove lesions from the thoracic cavity. It is associated with moderate pain which can lead to pulmonary complications after surgery. The Enhanced Recovery After Surgery (ERAS) and the European Society of Thoracic Surgeons recommended a multimodal analgesia approach to manage pain after VATS. Erector spinae block (ESB) is a popular analgesic block due to its ease of performance and wide coverage. It has been shown to be effective in randomized control trials. Recently, case reports on bi-level ESB are emerging, suggesting more effective analgesia compared to single level ESB. As there is no available data, the investigators are interested in conducting a randomized pilot study, comparing bi-level to single level ESB to gather baseline data for sample size calculation for a formal randomized trial.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
90
erector spinae block at 4th and 6th transverse process
erector spinae block at 4th transverse process
Cheng Lin
London, Ontario, Canada
Opioid use in first 12 postoperaive hour
Time frame: First 12 hour from arriving at postoperative recovery
Pain score area under curve first 12 hour
Numeric rating scale, 0 to 10, 0 being no pain and 10 being the worst possible pain
Time frame: First 12 hour from arriving at postoperative recovery
Pain score area under curve first 24 hour
Numeric rating scale, 0 to 10, 0 being no pain and 10 being the worst possible pain
Time frame: First 24 hour from arriving at postoperative recovery
Incidence of Acute block complication - based on clinical assessment
pneumothorax, local anesthetic toxicity, epidural spread, bleeding
Time frame: First 12 hour since block placement
Incidence of Delayed block complication - based on clinical assessment
paresthesia, motor weakness, hematoma, abscess
Time frame: First 5 days
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