Uso de ropivacaína em bloqueio do gânglio esfenopalatino via transnasal para cefaleia pós‐punção dural em pacientes obstétricas - série de casos

The average duration of analgesic effect of the block remains poorly defined. In the cases reported, blocking with ropivacaine was a simple, safe and effective technique, with immediate and sustained pain relief for at least 12-24 h.