Vasopressin has three main effects: 1  Increasing the water permeability of distal convoluted tubule and collecting duct cells in the kidney, thus allowing water reabsorption and excretion of more concentrated urine, i.e., antidiuresis.
It can be caused by damage to the vagus nerve, which regulates the digestive system. A damaged vagus nerve prevents the muscles in the stomach and intestine from functioning, preventing food from moving through the digestive system properly. Often, the cause of gastroparesis is unknown.
It occurs when air from CPAP enters the esophagus and in to the belly, rather than the airway and in to our lungs. This can cause gas pains and distension of the stomach. It is common and can happen to anyone who uses CPAP. But when it becomes chronic, itâs a red flag, a symptom that can be overcome when the cause is properly determined.