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2.
Inj Prev ; 13(6): 398-402, 2007 12.
Artigo em Inglês | MEDLINE | ID: mdl-18056317

RESUMO

OBJECTIVE: To compare the injury risk between rear-facing (RFCS) and forward-facing (FFCS) car seats for children less than 2 years of age in the USA. METHODS: Data were extracted from a US National Highway Traffic Safety Administration vehicle crash database for the years 1988-2003. Children 0-23 months of age restrained in an RFCS or FFCS when riding in passenger cars, sport utility vehicles, or light trucks were included in the study. Logistic regression models and restraint effectiveness calculations were used to compare the risk of injury between children restrained in RFCSs and FFCSs. RESULTS: Children in FFCSs were significantly more likely to be seriously injured than children restrained in RFCSs in all crash types (OR=1.76, 95% CI 1.40 to 2.20). When considering frontal crashes alone, children in FFCSs were more likely to be seriously injured (OR=1.23), although this finding was not statistically significant (95% CI 0.95 to 1.59). In side crashes, however, children in FFCSs were much more likely to be injured (OR=5.53, 95% CI 3.74 to 8.18). When 1 year olds were analyzed separately, these children were also more likely to be seriously injured when restrained in FFCSs (OR=5.32, 95% CI 3.43 to 8.24). Effectiveness estimates for RFCSs (93%) were found to be 15% higher than those for FFCSs (78%). CONCLUSIONS: RFCSs are more effective than FFCSs in protecting restrained children aged 0-23 months. The same findings apply when 1 year olds are analyzed separately. Use of an RFCS, in accordance with restraint recommendations for child size and weight, is an excellent choice for optimum protection up to a child's second birthday.


Assuntos
Automóveis/normas , Equipamentos para Lactente/normas , Ferimentos e Lesões/prevenção & controle , Acidentes de Trânsito/estatística & dados numéricos , Métodos Epidemiológicos , Desenho de Equipamento , Humanos , Lactente , Recém-Nascido , Estados Unidos
3.
Inj Prev ; 10(3): 154-8, 2004 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-15178671

RESUMO

INTRODUCTION: During the last two decades changes in vehicle design and increase in the number of the light truck vehicles (LTVs) and vans have led to changes in pedestrian injury profile. Due to the dynamic nature of the pedestrian crashes biomechanical aspects of collisions can be better evaluated in field studies. DESIGN AND SETTING: s: The Pedestrian Crash Data Study, conducted from 1994 to 1998, provided a solid database upon which details and mechanism of pedestrian crashes can be investigated. RESULTS: From 552 recorded cases in this database, 542 patients had complete injury related information, making a meaningful study of pedestrian crash characteristics possible. Pedestrians struck by LTVs had a higher risk (29%) of severe injuries (abbreviated injury scale >/=4) compared with passenger vehicles (18%) (p = 0.02). After adjustment for pedestrian age and impact speed, LTVs were associated with 3.0 times higher risk of severe injuries (95% confidence interval (CI) 1.26 to 7.29, p = 0.013). Mortality rate for pedestrians struck by LTVs (25%) was two times higher than that for passenger vehicles (12%) (p<0.001). Risk of death for LTV crashes after adjustment for pedestrian age and impact speed was 3.4 times higher than that for passenger vehicles (95% CI 1.45 to 7.81, p = 0.005). CONCLUSION: Vehicle type strongly influences risk of severe injury and death to pedestrian. This may be due in part to the front end design of the vehicle. Hence vehicle front end design, especially for LTVs, should be considered in future motor vehicle safety standards.


Assuntos
Acidentes de Trânsito , Veículos Automotores , Ferimentos e Lesões/etiologia , Escala Resumida de Ferimentos , Acidentes de Trânsito/mortalidade , Adolescente , Adulto , Distribuição por Idade , Criança , Traumatismos Craniocerebrais/etiologia , Traumatismos Craniocerebrais/mortalidade , Desenho de Equipamento , Feminino , Humanos , Escala de Gravidade do Ferimento , Traumatismos da Perna/etiologia , Traumatismos da Perna/mortalidade , Masculino , Análise Multivariada , Lesões do Pescoço/etiologia , Lesões do Pescoço/mortalidade , Fatores de Risco , Ferimentos e Lesões/mortalidade
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