Abstract
Jejunal absorptive function was evaluated following small intestinal transplantation to determine the effects of extrinsic denervation. In particular, water and sodium absorption were measured following transplantation (denervated) and compared to a control group (Thiry-Vella). Water flow was initially secretory two days after transplantation (-41 +/- 27 microliters/min/g dry tissue weight) but became absorptive at day 8 (25 +/- 25). Water flow in the Thiry-Vella group was not significantly different (P > 0.05) from the transplant group at days 8 (17 +/- 7) and 10 (47 +/- 42). Sodium flows were also initially secretory in the transplant group and became absorptive. This study refutes previous claims that small bowel transplants have a deficiency of water absorption due to extrinsic denervation of the bowel and suggests normal absorptive function of water, electrolytes, and protein.
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