Performed over 100,000 surgical repairs annually in the United States, third place in frequency of the abdominal wall hernias. Its frequency is bigger in women 3 to 1, due to the larger number of surgeries in relation to men.
Its appearance is the product of a previous surgery, it may arise months or years after the surgery, a protrusion at the intervened area, sometimes with pain.
Is a result of tissues with tension causing disruption in the intervened area.
Factors such as obesity, metabolic diseases, hematoma, infection, malnutrition, contribute to the onset of this condition.
Making an incision over an operated area, increases the possibility that a hernia will come out and the risk in greater with each surgery.
The incision size influences the risk of the emergence of hernias, as has been demostrated in incisions greater than 18 cms.
In laparoscopic surgery any approach greater than 5 mm. should be sutured.
The repair of incisional hernias without the placement of mesh could have a recurrency of up to 50% when the borders are stressed.
Every major hernia defect grater than 5 centimeters should be repaired with mesh.