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Unfallchirurgie. 1994 Feb;20(1):18-29.

[Ender nail with interlocking mechanism or dynamic hip screw in pertrochanteric fractures? A prospective study extending its limits].

[Article in German]

Author information

1
Abteilung für Unfallchirurgie, Albert-Ludwigs-Universität Freiburg.

Abstract

In a prospective study on 148 patients with trochanteric fractures of the hip we compared the results of two implant-systems: the Ender-nailing modified by the dynamical interlocking method of Kempf and Bitar, and the dynamic hip screw (DHS) of the AO-ASIF. The Ender-method had the shorter operation time, earlier weight-bearing and less septic complications. Fracture consolidation was complete after three months in all cases. But in 8% reosteosynthesis because of hip joint perforations of nails was necessary. The method leads in less cases to anatomical reduction (85%), more often relevant varus (9%) and rotationary (14%) malpositions and functional deficits in hip (25%) and knee joints (9%), compared with the DHS. The DHS had less implant complications, reosteosynthesis was necessary in 4%. Technical failures were seldom. In 96% anatomical reduction could be achieved and the function of the hip was in 87% good to excellent. The Ender-nailing with dynamic interlocking is a system for internal fixation of trochanteric fractures in elder patients. The DHS-system has better functional results. Both systems need to be performed in a very careful, exact surgical procedure, to avoid complications.

PMID:
8154055
[Indexed for MEDLINE]
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