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Titanium Nickelide in Midface Fractures Treatment.

ABSTRACT: BACKGROUND:The question of reconstruction of human tissues and organs with the use of medical materials is still open, because of the accurate requirements for their biological and physical features. The aim of this study was to prove the efficiency of titanium nickelide constructors in treatment of isolated orbital floor fractures or combination with zygomatico-orbital complex fractures. METHODS:Patients with a fracture of zygomatico-orbital complex and/or low orbital floor (n = 44) carried out different treatments: in the first group, osteosynthesis and endoprosthesis with titanium nickelide structures; in the second group, titan mini-plates osteosynthesis; in the third group ('blow-out'), endoprosthesis with a titanium nickelide mesh; and in the fourth group ('blow-out'), conservative treatment and monitoring (archive data) (p > 0.05). The paraesthesia, diplopia, enophthalmos and exophthalmos degree were measured in points. RESULTS:In one year, the first and second groups had no differences in level of paraesthesia (p > 0.05). The absence of exophthalmos and differences between first and second groups, and between the third and the fourth groups with positive dynamics inside the groups were proved (p < 0.05). In the first and third groups, enophthalmos was absent, and it increased in the second and fourth groups (p < 0.01, p < 0.11). Diplopia in the first and third groups was absent, and it increased in the second and fourth groups (p < 0.05, p < 0.01). CONCLUSION:The elasticity and biocompatibility of titanium nickelide make the implant insertion and restoration of the lower orbital wall anatomy easier, with good postoperative clinical results.

SUBMITTER: Shamanaeva L

PROVIDER: S-EPMC7564408 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Titanium Nickelide in Midface Fractures Treatment.

Shamanaeva Liudmila L Diachkova Ekaterina E Petruk Pavel P Polyakov Kirill K Cherkesov Igor I Ivanov Sergei S

Journal of functional biomaterials 20200727 3

<h4>Background</h4>The question of reconstruction of human tissues and organs with the use of medical materials is still open, because of the accurate requirements for their biological and physical features. The aim of this study was to prove the efficiency of titanium nickelide constructors in treatment of isolated orbital floor fractures or combination with zygomatico-orbital complex fractures.<h4>Methods</h4>Patients with a fracture of zygomatico-orbital complex and/or low orbital floor (n = ...[more]

PMID: 32726970

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Project description:BACKGROUND:It is still unknown whether bioabsorbable magnesium (Mg) screws provide an advantage over titanium screws in the treatment of medial malleolar (MM) fractures. The purpose of this retrospective study is to compare the clinical and radiological outcomes of MM fractures fixed with either bioabsorbable Mg screws or conventional titanium screws. MATERIALS AND METHODS:A cohort of 48 patients with MM fractures who underwent compression screw fixation was retrospectively reviewed. Twenty-three patients (16 male, 7 female; mean age: 37.9?±?17.7 years) were treated with bioabsorbable Mg screws, and 25 patients (14 male, 11 female; mean age: 45.0?±?15.7 years) were treated with conventional titanium screw fixation. All patients were followed up for at least 1 year, with a mean time of 24.6?±?10.5 months (12-53 months). The American Orthopedic Foot and Ankle Society (AOFAS) scale was used to evaluate the clinical results. The Kellgren-Lawrence (KL) osteoarthritis grading was used to evaluate posttraumatic osteoarthritis on final ankle radiographs. Fracture union, rate of implant removal, and complications were recorded. Comparative analysis of two independent groups was performed using the chi-squared test and the Mann-Whitney U-test. RESULTS:The two groups were comparable concerning demographic and clinical characteristics. Age (p?=?0.146), sex (p?=?0.252), side (p?=?0.190), MM fracture type (p?=?0.500), associated fractures (p?=?0.470), and follow-up period (p?=?0.903) were similar between the groups. At final follow-up examination, AOFAS score (p?=?0.191) was similar between groups. Fracture union was achieved in all cases. Grade of posttraumatic osteoarthritis, according to KL, was equally distributed in both groups (p?=?0.074). No deep infection or osteomyelitis was seen. Five patients in the titanium screw group underwent implant removal, due to pain in three of them and difficulty in wearing shoes in the other two (p?=?0.031). Implant removal was performed after a mean of 14.2?±?3.1 months (12-19 months). CONCLUSIONS:Bioabsorbable Mg and titanium screws had similar therapeutic efficacy in MM fracture fixation regarding functional and radiological outcomes. However, the rate of implant removal was higher with titanium screws. Bioabsorbable Mg screws may be a favorable fixation option since secondary implant removal procedures can be prevented. LEVEL OF EVIDENCE:Level IV, Retrospective case series.

Dataset Information

Titanium Nickelide in Midface Fractures Treatment.

Publications

Titanium Nickelide in Midface Fractures Treatment.

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