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Rev. Col. Bras. Cir ; 40(4): 305-311, jul.-ago. 2013. tab
Article in Portuguese | LILACS | ID: lil-690330

ABSTRACT

OBJETIVO: avaliar os fatores preditivos de lesões abdominais graves (LAG) identificáveis na avaliação inicial das vítimas de trauma fechado. MÉTODOS: análise retrospectiva dos dados das vítimas de trauma fechado com idade superior a 13 anos submetidas à tomografia computadorizada do abdome e/ou laparotomia exploradora. Consideramos como graves as lesões com Abbreviated Injury Scale (AIS) maior ou igual a três. As variáveis foram comparadas entre os grupos A (LAG) e B (Sem LAG). Realizou-se inicialmente uma análise estatística univariada para identificar as variáveis associadas à presença de LAG. Destas, foram selecionadas para a análise multivariada (regressão logística) as que tivessem p<0,20 e pudessem ser avaliadas na admissão do doente. RESULTADOS: a amostra foi composta por 331 casos, sendo que 140 (42,3%) pacientes apresentaram lesões abdominais. Destes, 101 (30,5%) tinham lesão abdominais com AIS > 3 (Grupo A). Na análise univariada, associaram-se significativamente às LAG (p<0,05): pressão arterial sistólica (PAS) no pré-hospitalar (p=0,019), PAS à admissão (p<0,001), frequência cardíaca à admissão (p=0,047), exame físico do abdome alterado (p<0,001) e presença de fraturas de pelve (p=0,006). As seguintes variáveis se relacionaram significativamente e independentemente com a presença de lesões abdominais graves: PAS à admissão (p=0,034), exame físico abdominal alterado (p<0,001), fratura exposta de membro inferior (p<0,044), "motociclista" como mecanismo de trauma (p=0,017) e FAST positivo (p<0,001). CONCLUSÃO: das variáveis presentes na avaliação inicial, se associaram significativamente com a presença de LAG: PAS, exame físico abdominal alterado, presença de fratura exposta de membro inferior, "motociclista" como mecanismo de trauma e FAST positivo.


OBJECTIVE: To identify predictors of severe abdominal injuries using variables present in the initial assessment of blunt trauma patients. METHOD: retrospective analysis of charts and trauma data bank information including blunt trauma patients older than 13 y.o. who underwent abdominal assessment by computed tomography and/or laparotomy in a period of 18 months, starting in June 2008. Severity stratification was carried out with trauma indices (RTS, AIS, ISS and TRISS). Abdominal injuries were considered "severe" ifAIS > 3. Variables were compared between patients with SAI (group A) and without SAI (group B). Statistical analysis was carried out usingunivariate analysisinitially. We selected for logistic regression variables that would be present in the initial assessment (IA variables) and, additionally, had p<0.20 in the initial statistical analysis. RESULTS: Three hundred thirty one patients were included. Abdominal injuries were present in 140 (42.3%), being considered severe in 101 (30,5%) (Group A).Univariate analysis showed that variables significantly associated with SAI (p<0.05) in the initial analysis were: pre hospital Systolic Arterial Blood Pressure (SAP) (p=0.019), admission SAP (p<0.001), admission heart rate (p=0.047), positive abdominal physical exam on admission(p<0.001) and pelvic fractures (p=0.006). Logistic regression identified five independent factors related to SAI (IA variables): SAP (p=0.034), positive abdominal physical exam (p<0.001), open lower limbs fractures (p<0.044), motorcyclist as trauma mechanism (p=0.017) and positive FAST (p<0.001). CONCLUSION: IA variables significantly associated with SAI were SAP, positive abdominal physical examination, open lower limbs fractures, motorcyclist as mechanism of trauma and positive FAST.


Subject(s)
Adult , Female , Humans , Male , Abdominal Injuries/diagnosis , Wounds, Nonpenetrating/diagnosis , Injury Severity Score , Retrospective Studies
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