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Comparative Study
. 2017 Mar;41(3):491-497.
doi: 10.1007/s00264-016-3332-y. Epub 2016 Nov 11.

In total hip arthroplasty via the direct anterior approach, a dual-mobility cup prevents dislocation as effectively in hip fracture as in osteoarthritis

Yasuhiro Homma  1 , Tomonori Baba  2 , Yu Ozaki  2 , Taiji Watari  2 , Hideo Kobayashi  2 , Hironori Ochi  2 , Mikio Matsumoto  2 , Kazuo Kaneko  2
Affiliations
Comparative Study

In total hip arthroplasty via the direct anterior approach, a dual-mobility cup prevents dislocation as effectively in hip fracture as in osteoarthritis

Yasuhiro Homma et al. Int Orthop. 2017 Mar.

Abstract

Purpose: The main purpose of this study was to compare the outcome of total hip arthroplasty (THA) via the direct anterior approach (DAA) using a dual-mobility cup (DMC) in patients with femoral neck fracture to those in patients undergoing elective THA for osteoarthritis.

Patients and methods: We retrospectively investigated 40 hips with femoral neck fracture (group A), and 81 hips with osteoarthritis (group B). THA via the DAA using the DMC was performed in both groups. A primary/secondary outcome variable were the presence of dislocation/operative time, intra- and/or peri-operative complication, and mortality.

Results: Dislocation did not occur in either group. The complication rate was slightly higher in group A than in group B, but not statistically significant.

Conclusion: THA with the DMC using the DAA was as effective for femoral neck facture as it was for elective THA in patients with osteoarthritis.

Keywords: Direct anterior approach; Dislocation; Dual-mobility cup; Total hip arthroplasty.

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