Aplicação do Índice LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) na distinção entre infecções complicadas da pele e tecidos moles e infecções necrotizantes
Abstract
A infecção necrotizante é a forma mais grave de infecção da pele e dos tecidos moles, rapidamente progressiva e frequentemente letal se não for diagnosticada e tratada precocemente. No entanto, num estadio inicial, a clínica é semelhante às outras infecções da pele e tecidos moles graves, e o diagnóstico baseia-se essencialmente num elevado nível de suspeição. O índice de LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) foi elaborado para avaliar o risco de um doente estar a desenvolver uma infecção necrotizante, e deste modo ser um instrumento útil nesta fase inicial. Os autores propuseram-se a realizar um estudo retrospectivo de todas as infecções da pele e tecidos moles complicadas admitidas em internamento entre Outubro de 2004 e Outubro de 2009. Neste período foram admitidos 327 doentes com infecções complicadas, dos quais 313 apresentavam infecções complicadas não necrotizantes e 14 infecções necrotizantes. O índice de LRINEC foi aplicado a 282 doentes mostrando, nesta série, que este seria um instrumento válido e com elevada sensibilidade (92,8%) para o diagnóstico das infecções necrotizantes.
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