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1.
J Orthop Trauma ; 28(12): e273-80, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24835623

RESUMO

OBJECTIVES: To determine patient independency, health-related and disease-specific quality of life (QOL), gait pattern, and muscle strength in patients after salvage arthroplasty for failed internal fixation of a femoral neck fracture. DESIGN: Secondary cohort study to a randomized controlled trial. SETTING: Multicenter trial in the Netherlands, including 14 academic and nonacademic hospitals. PATIENTS: Patients after salvage arthroplasty for failed internal fixation of a femoral neck fracture were studied. A comparison was made with patients who healed uneventfully after internal fixation. INTERVENTION: None (observatory study). MAIN OUTCOME MEASUREMENTS: Patient characteristics, SF-12, and Western Ontario McMaster osteoarthritis index scores were collected. Gait parameters were measured using plantar pressure measurement. Maximum isometric forces of the hip muscles were measured using a handheld dynamometer. Differences between the fractured and contralateral leg were calculated. Groups were compared using univariate analysis. RESULTS: Of 248 internal fixation patients (median age, 72 years), salvage arthroplasty was performed in 68 patients (27%). Salvage arthroplasty patients had a significantly lower Western Ontario McMaster osteoarthritis index score (median, 73 vs. 90; P = 0.016) than patients who healed uneventfully after internal fixation. Health-related QOL (SF-12) and patient independency did not differ significantly between the groups. Gait analysis showed a significantly impaired progression of the center of pressure in the salvage surgery patients (median ratio, -8.9 vs. 0.4, P = 0.013) and a significant greater loss of abduction strength (median, -25.4 vs. -20.4 N, P = 0.025). CONCLUSIONS: Despite a similar level of dependency and QOL, salvage arthroplasty patients have inferior functional outcome than patients who heal after internal fixation of a femoral neck fracture. LEVEL OF EVIDENCE: Therapeutic level III.


Assuntos
Fraturas do Colo Femoral/cirurgia , Idoso , Idoso de 80 Anos ou mais , Artroplastia de Quadril , Estudos de Coortes , Fraturas do Colo Femoral/fisiopatologia , Fixação Interna de Fraturas/efeitos adversos , Marcha , Humanos , Desigualdade de Membros Inferiores , Pessoa de Meia-Idade , Força Muscular , Qualidade de Vida , Recuperação de Função Fisiológica , Reoperação , Terapia de Salvação , Resultado do Tratamento
2.
Orthopedics ; 36(7): e849-58, 2013 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-23823040

RESUMO

This study assesses femoral neck shortening and its effect on gait pattern and muscle strength in patients with femoral neck fractures treated with internal fixation. Seventy-six patients from a multicenter randomized controlled trial participated. Patient characteristics and Short Form 12 and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores were collected. Femoral neck shortening, gait parameters, and maximum isometric forces of the hip muscles were measured and differences between the fractured and contralateral leg were calculated. Variables of patients with little or no shortening, moderate shortening, and severe shortening were compared using univariate and multivariate analyses. Median femoral neck shortening was 1.1 cm. Subtle changes in gait pattern, reduced gait velocity, and reduced abductor muscle strength were observed. Age, weight, and Pauwels classification were risk factors for femoral neck shortening. Femoral neck shortening decreased gait velocity and seemed to impair gait symmetry and physical functioning. In conclusion, internal fixation of femoral neck fractures results in permanent physical limitations. The relatively young and healthy patients in our study seem capable of compensating. Attention should be paid to femoral neck shortening and proper correction with a heel lift, as inadequate correction may cause physical complaints and influence outcome.


Assuntos
Fraturas do Colo Femoral/epidemiologia , Fraturas do Colo Femoral/cirurgia , Fixação Interna de Fraturas/estatística & dados numéricos , Consolidação da Fratura , Instabilidade Articular/epidemiologia , Desigualdade de Membros Inferiores/epidemiologia , Complicações Pós-Operatórias/epidemiologia , Idoso , Feminino , Humanos , Instabilidade Articular/diagnóstico , Instabilidade Articular/prevenção & controle , Masculino , Pessoa de Meia-Idade , Países Baixos/epidemiologia , Complicações Pós-Operatórias/diagnóstico , Prevalência , Recuperação de Função Fisiológica , Fatores de Risco , Resultado do Tratamento
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