It occurs in 1-2% of the cases of operations on the abdomen mostly between the 6th and 8th day after the surgery.The factors relating to the incidence of burst abdomen are:
Choice of suture material-higher incidence with the use of catgut than with the use of non-absorbable monofilament
Method of closure-Interrupted suturing has a lower incidence than the continuous suturing
Drainage- drainage directly through a wound has a higher incidenceOperations on the pancreas have higher incidence:
Coughing,Vomiting and distension post operatively can lead to burst abdomen
Obesity, Jaudice, malignant disease ,hypoprotinemia and anaemia are also important risk factors
Clinical features:
serosanguinous (pink )coloured discharge is an important forerunner in 50%.Patient might complain of feeling of something giving way.
Treatment is an emergency operation to replace the bowel, relieve any obstruction and resuture the wound. A second incidence is rare.