Revista do Colégio Brasileiro de Cirurgiões
https://revistadocbc.org.br/article/doi/10.1590/0100-6991e-20243699
Revista do Colégio Brasileiro de Cirurgiões
Artigo Original

Lactato e excesso de base (BE) como marcadores de hipoperfusão e mortalidade no choque hemorrágico traumático em pacientes submetidos à estratégia de controle de danos - Uma coorte histórica 

Lactate and base excess (BE) as markers of hypoperfusion and mortality in traumatic hemorrhagic shock in patients undergoing Damage Control: a historical cohort

Fernanda Baeumle Reese; Flavia Castanho Hubert; Mariana Bruinje Cosentino; Mirella Cristiane de Oliveira; Álvaro Réa Neto; Rafaella Stradiotto Bernardelli; Jorge Eduardo Matias

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Resumo

Introdução: o choque hemorrágico é a principal causa reversível de morte no trauma no Brasil e no mundo.

Objetivo: comparar o valor de BE ao do lactato na admissão da UTI e vinte e quatro horas após o internamento na identificação de hipoperfusão tecidual e predição de mortalidade

Método: coorte histórica de pacientes traumatizados, maiores de dezoito anos, submetidos à estratégia de controle de danos na admissão hospitalar, seguido de internamento em UTI. Foram coletados e analisados ISS, mecanismo e tipo de trauma, necessidade de terapia de substituição renal e transfusão maciça; BE, lactato, pH e bicarbonato coletados na admissão da UTI e vinte e quatro horas após, e a mortalidade. Os pacientes foram divididos em grupos conforme valores de BE (≥-6 e <-6mmol/L) já descritos na literatura como preditores de gravidade, e após redivididos de acordo com os valores de melhor acurácia encontrados nesta amostra, além de realização de regressão logística binária multivariada. Os dados foram comparados através de diversos testes estatísticos devido a diversidade e conforme a indicação para cada variável.

Resultados: houve alterações perfusionais impactantes já na admissão da UTI. BE manteve-se com valor estatisticamente significativo para predição de mortalidade tanto quando utilizado os valores já conhecidos da literatura como quando aplicados os valores neste estudo identificados.

Conclusão: valores de BE e de lactato foram capazes de predizer hipoperfusão tecidual e mortalidade nos dois momentos estudados, quando comparados, o BE tem boa performance como preditor de mortalidade, com rápido resultado e ampla disponibilidade.

Palavras-chave

Choque Hemorrágico; Traumatismo Múltiplo; Gasometria Arterial; Acidose Lática 

Abstract

Introduction: hemorrhagic shock is a significant cause of trauma-related deaths in Brazil and worldwide. This study aims to compare BE and lactate values at ICU admission and twenty-four hours after in identifying tissue hypoperfusion and mortality.

Methods: examines a historical cohort of trauma patients over eitheen years old submittet to damage control resuscitation approch upon hospital admission and were then admitted to the ICU. We collected and analyzed ISS, mechanism and type of trauma, need for renal replacement therapy, massive transfusion. BE, lactate, pH, bicarbonate at ICU admission and twenty-four hours later, and mortality data. The patients were grouped based on their BE values (≥-6 and <-6mmol/L), which were previously identified in the literature as predictors of severity. They were subsequently redivided using the most accurate values found in this sample. In addition to performing multivariate binary logistic regression. The data were compared using several statistical tests due to diversity and according to the indication for each variable.

Results: there were significant changes in perfusion upon admission to the Intensive Care Unit. BE is a statistically significant value for predicting mortality, as determined by using values from previous literature and from this study.

Conclusion: the results demonstrate the importance of monitoring BE levels in the prediction of ICU mortality. BE proves to be a valuable bedside marker with quick results and wide availability.

Keywords

Shock; Hemorrhagic; Acidosis, Lactic; Multiple Trauma; Blood Gas Analysis

Referências

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Submetido em:
27/11/2023

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