The data that form the basis of this paper have been derived from a study of 454 cases of hypertrophic pyloric stenosis in infants operated on at the Babies' Hospital and elsewhere by Dr. William A. Downes and myself. In 1914, Dr. Downes adopted the operation of extramucous partial pyloroplasty as a routine. This procedure, suggested by Fredet1 in 1910, was carried out by Rammstedt2 in 1912 and is now generally known as the Fredet-Rammstedt operation. In 1920, Dr. Downes3 reported 175 personal cases in which operation was performed by this method. In the period between Jan. 1, 1920, and April 1, 1925, there were 279 additional cases, in which eighty-two operations were done by Dr. Downes and 197 by myself.
In reviewing this group, it is my purpose to point out that the operative procedure used is curative and its result permanent, and that the so-called
BOLLING RW. CONGENITAL HYPERTROPHIC PYLORIC STENOSIS: A REVIEW OF FOUR HUNDRED AND FIFTY-FOUR CASES IN WHICH THE FREDET-RAMMSTEDT OPERATION WAS PERFORMED. JAMA. 1925;85(1):20–24. doi:10.1001/jama.1925.02670010024007
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