Hernia generally involves penetration of the internal organs through the protective muscle walls that surround them. Depending on the organs involved in causing the disorder, there can be many different types of hernia. Hiatal hernia is a common type of hernia that occurs when the stomach wall presses against the esophageal hiatus, an opening in the diaphragm. The hiatus acts just like a valve, preventing the content of the stomach from reaching inside the esophagus. When the hiatus is weakened, the content of the stomach can be pushed upwards inside the esophagus, causing hiatal hernia. When the disorder occurs in the area above the diaphragm, it is referred to as sliding hiatal hernia. When the disorder occurs in the area below the diaphragm, it is referred to as paraesophageal hiatal hernia.
Hiatal hernia affects both sexes equally. Although it can occur at any age, the disorder has the highest incidence in elderly people. Hiatal hernia is also common in overweight people and in people who frequently sustain intense physical effort (weight lifting).
Some people who suffer from hiatal hernia usually dont have any symptoms at all. However, hiatal hernia can...