Exclusion criteria are pregnancy, patients with contraindications to regional anesthesia, allergy to LAs, patients taking opioids regularly due to chronic pain, use of anticoagulation drugs other than acetylsalicylic acid or dipyridamole, atrioventricular block, diabetes.

NCT03329456_exc_T1
Condition
pregnancy
NCT03329456_exc_T2
Condition
contraindications
NCT03329456_exc_T3
Procedure
regional anesthesia
NCT03329456_exc_T4
Condition
allergy
NCT03329456_exc_T5
Drug
LAs
NCT03329456_exc_T6
Drug
opioids
NCT03329456_exc_T7
Multiplier
regularly
NCT03329456_exc_T8
Condition
chronic pain
NCT03329456_exc_T9
Drug
anticoagulation drugs
NCT03329456_exc_T10
Drug
acetylsalicylic acid
NCT03329456_exc_T11
Drug
dipyridamole
NCT03329456_exc_T12
Condition
atrioventricular block
NCT03329456_exc_T13
Condition
diabetes
NCT03329456_exc_T14
Negation
other than
NCT03329456_exc_T15
Scope
acetylsalicylic acid or dipyridamole