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Quick Answer. Hiccups resulting from surgery may be caused by a reaction to anesthesia or happen as a result of abdominal surgery or medical procedures such as a tracheotomy, states Healthline. Using a catheter to access the heart, bronchoscopy or using a stent in the esophagus can also result in long-term hiccups.
Hiccups occur when a spasm contracts the diaphragm, a large sheet of muscle that separates the chest cavity from the abdominal cavity. This spasm causes an intake of breath that is suddenly stopped by the closure of the vocal cords (glottis). full stomach can be caused by: 1  Eating too much food too quickly. 2  Drinking too much alcohol. 3  Swallowing too much air. 4  Smoking. 5  A sudden change in stomach temperature, such as drinking a hot beverage and then a cold beverage.