Effects of Vagotomy on Autonomic Balance

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Abstract
Vagotomy performed on 40 peptic ulcer patients produced the following effects as compared to other types of operations performed on non-ulcer patients: (1) a significant increase in saliva output and dermographia latency; (2) a significant decrease in volar sweating, sublingual temperature, finger temperature, and pupil diameter; (3) a marked and significant change in the Wenger index of autonomic balance in the direction of increased parasympathetic (or decreased sympathetic) nervous system activity. The implications are discussed.

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