S Section ofProctology 713 rather than upon half of them while they are desperately ill.
Summary(1) The outcome of any attack of colitis depends on the severity of the attack, the extent of disease and the age of the patient at the time.(2) If surgery is to be used in a severe attack, it should be in the early stages. (3) Total involvement of the colon implies such a poor prognosis that prophylactic proctocolectomy may be justified in these patients. It may also be justified in patients over 60 even if the large bowel is not totally involved.