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Clinical Trial
. 2000;89(1):45-52.

Treatment of subcapital femoral neck fractures with bioabsorbable or metallic screw fixation. A preliminary report

Affiliations
  • PMID: 10791645
Clinical Trial

Treatment of subcapital femoral neck fractures with bioabsorbable or metallic screw fixation. A preliminary report

K Jukkala-Partio et al. Ann Chir Gynaecol. 2000.

Abstract

Background and aims: Cancellous bone fractures and arthrodeses have been treated successfully with bioabsorbable polyglycolide and poly-L-lactide implants. In this study bioabsorbable poly-L-lactide lag screws and metallic screws were compared in the fixation of subcapital femoral neck fractures.

Patients and methods: Forty patients with femoral neck fractures were treated by internal fixation using three bioabsorbable self-reinforced poly-L-lactide (SR-PLLA) lag screws of 6.3 mm in diameter and 38 patients using three metallic screws of 7 mm in diameter. In addition, one patient was operated on using two and one using four metallic screws. The patients did not differ in age, body weight or primary dislocation of the fracture. There were six males in the lactide group versus 14 in the metallic fixation group. There were two Garden Stage I, 27 Garden Stage II, nine Garden Stage III, and two Garden Stage IV fractures in both groups.

Results: In the Garden I and II fractures there were 5/29 redislocations after SR-PLLA fixation and 8/29 after metallic fixation. In the Garden III fractures there were 4/9 and in the Garden IV fractures 2/2 redislocations in both groups. The ability to walk and the range of movement were better after bioabsorbable fixation.

Conclusion: Self-reinforced poly-L-lactide lag screws can be used safely to fix subcapital femoral neck fractures in Garden Stage I and II fractures and in younger patients in Garden III fractures.

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