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  Vol. 126 No. 2, February 1991 TABLE OF CONTENTS
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  PAPERS READ BEFORE THE TENTH ANNIVERSARY MEETING OF THE SURGICAL INFECTION SOCIETY, CINCINNATI, OHIO, June 14 to 16, 1990-PART II
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Increased Gut Permeability Following Burn Trauma

Mark D. Epstein, MD; Jean I. Tchervenkov, MD, FRCSC; J. Wesley Alexander, MD, ScD; J. Robert Johnson, PhD; John W. Vester, MD

Arch Surg. 1991;126(2):198-200.


Abstract

• Twenty female Hartley guinea pigs, weighing 350 to 400 g, were given a 30% full-thickness burn injury. Gastrointestinal permeability was assessed before burn and on postburn days 1 through 3, 7, and 14 by administering 5 mL of an isotonic mixture of 8% lactulose and 1.15% L-rhamnose by gavage and measuring the urinary excretion for the next 7 hours. In normal guinea pigs, lactulose (molecular weight, 342d) is mostly absorbed by the paracellular route, whereas L-rhamnose (molecular weight, 164 d) is mostly absorbed by the transcellular route. Gut permeability to L-rhamnose did not increase after burn injury (211 µg before burn vs 230, 260, 180, 238, and 221 µg on days 1, 2, 3, 7, and 14, respectively, after burn). By contrast, gut permeability to lactulose increased significantly and was greatest in the first 48 hours after burn injury (60 µg before burn vs 380, 354, 203, 364, and 279 µg on days 1, 2, 3, 7, and 14, respectively, after burn). Gut permeability to low-molecular-weight compounds increases immediately after burn trauma, and this may be by a paracellular rather than transcellular mechanism.

(Arch Surg. 1991;126:198-200)



Author Affiliations

From the Departments of Surgery (Drs Epstein, Tchervenkov, and Alexander) and Laboratory Medicine (Drs Johnson and Vester), University of Cincinnati Medical Center, The Shriners Burns Institute (Drs Epstein and Alexander), and The Good Samaritan Hospital (Drs Johnson and Vester), Cincinnati, Ohio.


Footnotes

Accepted for publication October 14, 1990.

Read before the Tenth Anniversary Meeting of the Surgical Infection Society, Cincinnati, Ohio, June 15, 1990.

Reprint requests to Department of Surgery, University of Cincinnati, 231 Bethesda Ave, Cincinnati, OH 45267-0558 (Dr Alexander).



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