- Cardiocirculatory intraoperative assessment during single-shot caudal anaesthesia in children: comparison between levobupivacaine and ropivacaine. Gentili, A., Pasini, L., Bachiocco, V., Landuzzi, V., Giuntoli, L., Lima, M., Baroncini, S. Pediatr. Med. Chir (2012)