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Operations in unselected patients with ulcerative colitis and indeterminate colitis. A long-term follow-up study
Stewénius1, I Adnerhill, G R Ekelund
1Department of Surgery, Malmö University Hospital, University of Lund, Sweden.
Objective:
To assess the need for operative treatment for ulcerative colitis and indeterminate colitis.
Design:
Retrospective study.
Setting:
University Hospital, Sweden.
Subject:
All patients diagnosed from 1958 to 1982, in Malmö, Sweden-ulcerative colitis (n = 471) and indeterminate colitis (n = 100).
Main Outcome Measures:
Incidence of colectomy.
Results:
The mean follow-up was 15 years. The incidence of colectomy was 7.51, 1.90 and 36.13/1000 person years for definite ulcerative colitis, probable ulcerative colitis and indeterminate colitis, respectively. The incidence of colectomy in patients with definite ulcerative colitis in the present study was low compared with other studies. In contrast to other reports, men had a threefold risk while extent of inflammation did not influence the incidence. Patients with indeterminate colitis were a high risk group with a high incidence of colectomy. The high incidence among patients with indeterminate colitis compared with that in patients with definite ulcerative colitis was also seen in subgroups such as patients with total colitis at diagnosis, in patients in remission after the first attack, and in patients with a severe attack.
Conclusion:
As patients with indeterminate colitis seem to be at increased risk of colectomy it could be important to distinguish them from those with ulcerative colitis. Today, however, it is not possible to identify all patients with indeterminate colitis early in the course of the disease.