No consent
Spinal anesthesia or sciatic nerve block contraindicated
Known intolerance to tramadol or other contraindications for the drug

NCT03477851_exc_T1
Observation
consent
NCT03477851_exc_T2
Negation
No
NCT03477851_exc_T4
Procedure
Spinal anesthesia
NCT03477851_exc_T5
Procedure
sciatic nerve block
NCT03477851_exc_T6
Condition
contraindicated
NCT03477851_exc_T7
Scope
Spinal anesthesia or sciatic nerve block
NCT03477851_exc_T8
Condition
intolerance
NCT03477851_exc_T9
Drug
tramadol
NCT03477851_exc_T10
Condition
contraindications
NCT03477851_exc_T11
Drug
the drug
NCT03477851_exc_T12
Qualifier
other