The aim of the study is to compare the analgesia provided by the serratus plane block with local infiltration of the orifices of the trocars after thoracic robot-assisted surgery.
In our hospital, the current practice to provide post operative analgesia for patients scheduled for robot-assisted mitral repair or oncological thoracic surgery is to dispense local anesthetics at the orifices of the trocars at the end of the surgery and to give a Patient Controlled Analgesia (PCA). Some of these patients are not comfortable and we observe a large percentage of chronic pain. Recently we tried to use the Serratus plane block realised before the beginning of the surgery, and it seemed that patients were more comfortable with a lower consumption of morphine. So we decided to perform a double blind, randomized study in this population of patients to compare the analgesia provided by the serratus plane block realized before the beginning of the surgery and the local infiltration of the wound at the end of the surgery.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
60
Serratus plane block realized with a mixture of 10 ml of 0.5% levobupivacaine injectable solution with 10 ml of physiological saline
local infiltration of the wound with a mixture of 10 ml of 0.5% levobupivacaine injectable solution with 10 ml of physiological saline
Serratus plane block realized with 20 ml of injectable solution of physiological saline
Watremez Christine
Brussels, Belgium
D0 pain intensity
Self reported pain intensity the day of surgery. Each item is scored 0-100 (0 - no pain, 100 - pain as bad as can be)
Time frame: 1 day
D1 pain intensity
Self reported pain intensity the days after surgery. Each item is scored 0 - 100 (0 - no pain, 100 - pain as bad as can be)
Time frame: 3 days
morphine consumption
Consumption of morphine the day and 4 days after surgery as recorded on the PCA.
Time frame: 5 days
persistence of a chronic pain
Phone call 3 month after surgery to evaluate the persistence of pain
Time frame: 3 months
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local infiltration of the wound with 20 ml of injectable solution of physiological saline