Background: To clarify factors related to vitamin E malabsorption after gastric surgery, we evaluated serum vitamin E levels in patients who had undergone gastrectomy for gastric cancer.
Methods: We studied 39 patients (26 men, 13 women; mean age, 61.7 years) who underwent gastrectomy for early gastric cancer. Surgical procedures included 24 subtotal gastrectomies and 15 total gastrectomies. We measured serum levels of vitamin E before and 3, 6, 9, and 12 months after gastrectomy. A level of less than 0.75 mg/dl was defined as a low vitamin E level.
Results: Serum vitamin E levels decreased to less than 0.75 mg/dl in 6 (15.4%) of the 39 patients within 6 months after gastrectomy and in 7 (17.9%) of the 39 patients within 1 year after gastrectomy. The proportion of patients with a low serum vitamin E level was significantly higher in the total gastrectomy group (p = 0.002). A low vitamin E level was significantly associated with a low total cholesterol level. Total cholesterol levels in low vitamin E levels patients were lower than normal vitamin E levels patients. None of the patients with a low vitamin E level had neuropathy.
Conclusions: The type of operation performed (total vs. subtotal gastrectomy) may be the major cause of vitamin E malabsorption after gastrectomy for gastric cancer. Vitamin E deficiency probably begins within 6 months after gastrectomy for gastric cancer.
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