Surgery in the lower limb, Amputation
Obstetrics: Difficult or high-risk labour, twin pregnancy, pre-eclampsia, prolonged labor. Caesarean section performed under is associated with a lower maternal mortality owing to anesthetic factors than under general anesthetic.
Low concentration local anesthetics, opioids, or combinations of both can be given for control of postoperative pain in patients undergoing abdominal and thoracic procedures.
Trauma related to the respiratory system with associated rib or sternum fractures.