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1.7.3 Perineal hernia
pelvic diaphragm
Perineal hernias occur mainly in older male dogs and certain breeds, e.g. the Boxer, Boston Terrier, Pekingese and crossbreds.
1.7.4 Diaphragmatic hernia
The diaphragm separates the abdominal cavity from the thorax. Sudden increases in pressure in the abdomen can result in tears of the diaphragm with the consequence that abdominal organs can be forced into the thoracic cavity. This situation can occur as the result of a road traffic accident. Congenital hernias of the diaphragm are of rare occurrence in the dog and horse.
1.7.5 Post‐operative hernia
A surgical incision in the abdominal wall is normally closed either with sutures or staples. If there is breakdown along the incision, there is a risk of herniation of abdominal organs. This situation may result from a variety of circumstances, e.g. poor healing of the incision due to inadequate vascularisation, pressure from the weight of the abdominal organs, faulty suturing technique and interference with the wound by the patient.