Diabete animal studies demonstrated a longer period recovery after local anesthetic injection (perineural administration). No clinical study demonstrated a prolonged nerve block duration in diabete type 2 patients after peripheral nerve block. The investigators hypothesized that block recovery is delayed in diabetic patients.
For diabetic patients, peripheral nerve block is an interesting alternative to general anesthesia because it provides effective analgesia and may decrease haemodynamic complication. The fear of nerve injury after regional anaesthesia in diabetic patients is a concern that has neither been confirmed nor refuted by current literature. As a matter of fact, diabetic patients with neuropathy may be considered at increased risk because of the possibility for double crush syndrome when a chronic axon lesion related to diabetes is associated with an unexpected distal nerve injury related to regional anaesthesia.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
70
patients received 20 mL ropivacaine 5 mg/mL on subgluteal nerve
APHP Pitié-Sampetriere
Paris, France
the duration of sensory block in hours
The beginning of this term is defined by the end of the sciatic block injection, and the end of this period is defined by the reappearance of sensitivity to pin-prick test
Time frame: Day 0
the duration of motor sciatic block
The beginning of this term is defined by the end of the sciatic block injection, and the end of this period is defined by the reappearance of motor function
Time frame: Day 0
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