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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.
Causes of hiccups. Hiccups occur when your diaphragm (the thin layer of muscle that separates your chest cavity from your abdomen) suddenly and involuntarily contracts (tightens).As your diaphragm contracts, it causes you to breathe air in very quickly.The incoming air is stopped when your glottis (the opening between your vocal cords) closes suddenly, producing the characteristic sound of a hiccup.s your diaphragm contracts, it causes you to breathe air in very quickly. The incoming air is stopped when your glottis (the opening between your vocal cords) closes suddenly, producing the characteristic sound of a hiccup.