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Karl Zucker, MD; Christopher Nelson, MD; David Hoyt, MD; Richard P. Saik, MD

Arch Surg. 1983;118(4):446-448.

Abstract
• Incomplete vagotomy is the most important cause of recurrent ulcer disease. Despite this, intraoperative vagotomy testing has not gained widespread acceptance. We used a technique with Congo red, a nontoxic azine dye that turns black (pH, 3.0) intraoperatively. The vagolytic effects of various general anesthetics has been shown. We found that halothane, used as a general anesthetic, combined with pentagastrin administration as a vagally synergistic stimulant, produced the most reliable, safe, and reproducible result when using Congo red intraoperatively.

(Arch Surg 1983;118:446-448)

Author Affiliations
From the Department of Surgery, Veterans Administration Medical Center, and the Department of Surgery, University of California San Diego.

Footnotes
Accepted for publication Oct 28, 1982.

Read before the Sixth Annual Surgical Symposium of the Association of Veterans Administration Surgeons, Atlanta, May 14, 1982.

Reprint requests to Surgical Service (112), Veterans Administration Medical Center, 3500 La Jolla Village Dr, San Diego, CA 92161 (Dr Saik).

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