Small Intestinal Absorptive Function in Regional Enteritis

Charles D. Gerson, Nathaniel Cohen, Henry D. Janowitz

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Small bowel absorptive function was investigated in 65 patients with regional enteritis in an effort to relate this to extent of disease or resection. Twenty-six patients had no surgery, 7 had been operated upon without recurrence, 22 had significant recurrence after resection, and 10 were suffering from a markedly shortened bowel. There was a close correlation between length of resected or diseased ileum and vitamin B12 and fat malabsorption. When the length of ileal dysfunction exceeded 90 cm, Schilling test was abnormal in 13 of 13 patients and steatorrhea became more marked. Patients with resection and postoperative recurrence had significantly lower fat and B12 absorption than those with disease and no surgery, reflecting the greater length of ileal dysfunction in the surgically treated group. Jejunal function as measured by D-xylose absorption was preserved in most patients.

Original languageEnglish
Pages (from-to)907-912
Number of pages6
Issue number5
StatePublished - 1973
Externally publishedYes


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