DUODENAL regurgitation is a clinical entity which has been recognized for many years, but it has not been given proper consideration by the majority of clinicians and radiologists. The condition may cause prolonged and serious symptoms, which if not recognized and corrected can lead to chronic invalidism, gradual general exhaustion and death.
The term regurgitation would seem more appropriate than duodenal stasis, for it is when the duodenal contents regurgitate into the stomach that the serious symptoms develop.
The most common cause of regurgitation is pressure on the duodenum where it passes over the spine by the mesentery attachment, and this is usually associated with ptosis of the abdominal viscera. Obstruction may also result from the lack of proper rotation of the intestinal tract resulting from a congenital anomaly or from tumor growth or adhesions.
The frequency of occurrence is difficult to determine, for unless the clinician and the radiologist
METZ AR. DUODENAL REGURGITATION. Arch Surg. 1947;55(3):239-245. doi:10.1001/archsurg.1947.01230080245001