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July 1993

Long-term Outcome After Hospitalization for Small-Bowel Obstruction

Author Affiliations

From the Department of Surgery, Gundersen/Lutheran Medical Center, La Crosse, Wis.

Arch Surg. 1993;128(7):765-771. doi:10.1001/archsurg.1993.01420190059008

Objective:  To determine the recurrence rate of smallbowel obstruction and differences in recurrence rates stratified by cause of obstruction and method of treatment.

Design:  Retrospective chart review with average follow-up of 53 months (range, 0 to 129 months).

Setting:  Combined community hospital/clinic tertiary referral center.

Patients:  309 consecutive patients with documented mechanical small-bowel obstruction hospitalized from 1981 to 1986.

Main Outcome Measures:  Recurrence rates by the actuarial life-table method and comparisons made by the Wilcoxon and log-rank tests.

Results:  Recurrent obstruction developed in 34% of all patients by 4 years and in 42% by 10 years. Recurrence rates were 29% and 53% in the patients who did and did not undergo surgery (P=.002). The recurrence rate in patients with surgery was 56% for malignant neoplasms, 28% for adhesions, and 0% for hernia. Recurrence rates were 50% and 40% for patients with and without prior multiple obstructions (P=.7).

Conclusions:  The long-term risk of recurrent smallbowel obstruction is high. The risk is lessened by operation but not eliminated. The risk of recurrence increases with longer duration of follow-up, but most recurrences occur within 4 years. Multiple prior obstructions did not increase the risk of future obstruction.(Arch Surg. 1993;128:765-771)

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