Safety of Fettweis squatting position in congenital dislocation of the hip: Experimental study of prevention of deformity of the femoral head and neck in pigs |
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Authors: | Qun Zhao Gotoh Eiji Inao Shigenori Ando Mifumi |
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Affiliation: | (1) Department of Orthopedic Surgery, Asahikawa Medical College, Nishikagura 4-5, 3-11, 078 Asahikawa, Japan;(2) Department of Orthopaedic Surgery, Obihiro Kyouritsu Hospital, Nishi 15 Kita 4, 080 Obihiro, Japan |
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Abstract: | The safety of the Fettweis squatting position for immobilization after reduction in congenital dislocation of the hip was evaluated in an experimental model in pigs. In seven neonatal pigs, the hips were fixed in a plaster cast for 3 h in the Fettweis squatting position after the insertion of an allogenic meniscus into the hip joint. Three to 5 months later, no obvious deformity of the femoral head or neck was noted. The results demonstrate that the squatting position is an appropriate position for immobilization after the reduction of dislocated hip joints. |
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Keywords: | congenital dislocation of the hip Fettweis position avascular necrosis deformity of the femoral head and neck |
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