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JAMA. 1918;71(10):810-812. doi:10.1001/jama.1918.02600360026008.
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A lusty boy baby, the first born of a healthy mother with ample milk, who about the third week begins frequent regurgitant vomiting, soon becoming projectile and associated with visible peristalsis, and in whom an olive-shaped tumor may be palpated in the upper right abdomen, is almost certainly the victim of congenital pyloric stenosis.

Undoubtedly there have been many infants, whose deaths were ascribed to marasmus, gastritis, inanition, etc., who really were suffering from unrecognized pyloric stenosis. Up to 1906, the mortality results of surgical intervention in former years, 53.9 per cent., were so forbidding as almost to contraindicate it in the minds of many physicians. The results are greatly improved by substituting simple pyloroplasty, Rammstedt's operation (1912), or the operation of Strauss (1914) for gastro-enterostomy. The operation may be done in less than half the time required for a gastro-enterostomy and with nearly one half the mortality, that is,


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