By Erik Severin. Translated from the Swedish by Helen Frey. Acta chirurgica Scandinavica, Vol. LXXXIV, Supplementum 63. Paper. Pp. 142, with 44 illustrations. Stockholm: P. A. Norstedt & Sóner, 1941.
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The introductory chapter of the history of congenital dislocation is well presented, though only meager recognition is given to Paci, pre-Lorenz attempts of reduction, with a review of statistical data on end results, including these of Lorenz, Lange and the latest reports of Putti (1934), Annovazzi and others. Although the author objects to statistical series which do not contain all cases treated (which seems to be hardly possible to obtain), a certain weeding out for lack of subsequent information is necessary. His statistical study is based on a material of 330 cases which remained after eliminating unsuccessful reductions, cases too old, and the like, and of this group over 90 per cent could be reexamined for the final statistics, leading to three hundred and thirty early results; but his data are valuable because of the homogeneity of his material, which is treated under the same supervision and same method throughout
Contribution to the Knowledge of Congenital Dislocation of the Hip Joint: Late Results of Closed Reduction and Arthrographic Studies of Recent Cases. JAMA. 1942;118(7):565-566. doi:10.1001/jama.1942.02830070071035