The aim of the study is to evaluate if Magnesium added to ropivacaine can reduce onset time and can enhance offset time.
Patients are randomly divided into two groups: group "M" (Ropivacaina 7,5 mg/ml with Mg 4 mg/Kg)and group"C" (without Mg). Standard monitoring is applied to each patient in perioperative period. An indipendent observer collect data: time to perform block, sensitivity onset,motor onset, pain during surgery and complication. In the post-operative period till 24 hours for each patient is evaluated off-set time, pain and analgesic consumption.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
60
Mg used with ropivacaine for sciatic nerve blick
Ropivacaine 7,5 mg/ml used for sciatic nerve block
Campus Bio-Medico
Rome, Italy
Evaluation of Mg as adjuvant to local anesthetic
We evaluate if Mg affects onset and offset time of ropivacaine 7,5 mg/ml in sciatic block at popliteal level
Time frame: Till 24 hours
Post-operative pain
We evaluate post-operative pain at rest and in movement at 3-6-12-24 hours with NRS scale
Time frame: 3 hours
Post-operative analgesic consumption
We evaluate consumption of opioid and non-opioid analgesic used in the post-operative period.
Time frame: till 24 hours
Post-operative pain
Evaluation of pain with NRS scale
Time frame: 6 hours
post-operative pain
Evaluation of pain with NRS scale
Time frame: 12 hours
Post-operative pain
Evaluation of pain with NRS scale
Time frame: 24 hours
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