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1.
Biomed Res Int ; 2016: 6593232, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-28097142

RESUMO

Objectives. Diagnostic markers of infection have had little innovation over the last few decades. CD64, a marker expressed on the surface of neutrophils, may have utility for this purpose. Methods. This study was conducted in an adult intensive care unit (ICU) in São Paulo, Brazil, with 89 patients. We evaluated CD64 in patients with documented or clinically diagnosed infection (infection group) and controls (patients without any evidence of infection) by two different methodologies: method #1, an in house assay, and method #2, the commercial kit Leuko64 (Trillium Diagnostics). Results. CD64 displayed good discriminating power with a 91.2% sensitivity (95% CI 90.7-91.6%) for detecting infection. The commercial kit (Leuko64) demonstrated higher specificity (87.3%) compared with method #1 as well as better accuracy (88.8%). Conclusions. CD64 seems to be a promising marker of infection in the intensive care setting, with Leuko64 showing a slight advantage.


Assuntos
Biomarcadores/sangue , Estado Terminal , Infecções/sangue , Receptores de IgG/sangue , Adulto , Idoso , Feminino , Humanos , Infecções/patologia , Masculino , Pessoa de Meia-Idade , Neutrófilos/patologia , Receptores de IgG/isolamento & purificação
2.
Einstein (Säo Paulo) ; 13(4): 644-646, Oct.-Dec. 2015. tab
Artigo em Português | LILACS | ID: lil-770505

RESUMO

ABSTRACT The echocardiography has become a vital tool in the diagnosis of critically ill patients. The use of echocardiography by intensivists has been increasing since the 1990’s. This tool has become a common procedure for the cardiovascular assessment of critically ill patients, especially because it is non-invasive and can be applied in fast and guided manner at the bedside. Physicians with basic training in echocardiography, both from intensive care unit or emergency department, can assess the left ventricle function properly with good accuracy compared with assessment made by cardiologists. The change of treatment approach based on echocardiographic findings is commonly seen after examination of unstable patient. This brief review focuses on growing importance of echocardiography as an useful tool for management of critically ill patients in the intensive care setting along with the cardiac output assessment using this resource.


RESUMO A ecocardiografia tem se tornado uma ferramenta fundamental no atendimento ao paciente grave. Desde os anos 1990, o uso do ecocardiograma por intensivistas vem aumentando progressivamente. É cada vez mais frequente encontrarmos o ecocardiograma como parte do arsenal diagnóstico na avaliação cardiovascular dos pacientes graves, visto se tratar de uma ferramenta não invasiva, que pode ser utilizada à beira do leito de maneira rápida e direcionada. Seja na unidade de terapia intensiva ou no departamento de emergência, médicos com mínimo treinamento em ecocardiografia são capazes de avaliar a função do ventrículo esquerdo de maneira adequada e com bom nível de concordância com a interpretação dos cardiologistas. Não é incomum constatarmos alteração de conduta baseada nos achados ecocardiográficos em avaliação realizada na abordagem inicial ao paciente instável. Nessa breve revisão, o foco está voltado à crescente importância ao ecocardiograma como ferramenta extremamente útil na abordagem aos pacientes graves no ambiente da terapia intensiva, aliado à avaliação do débito cardíaco, utilizando esse recurso.


Assuntos
Humanos , Cuidados Críticos/métodos , Ecocardiografia , Sistemas Automatizados de Assistência Junto ao Leito , Débito Cardíaco , Serviços Médicos de Emergência/métodos , Competência Profissional/normas , Índice de Gravidade de Doença , Função Ventricular Esquerda
3.
Einstein (Sao Paulo) ; 13(4): 644-6, 2015.
Artigo em Inglês, Português | MEDLINE | ID: mdl-26761560

RESUMO

The echocardiography has become a vital tool in the diagnosis of critically ill patients. The use of echocardiography by intensivists has been increasing since the 1990's. This tool has become a common procedure for the cardiovascular assessment of critically ill patients, especially because it is non-invasive and can be applied in fast and guided manner at the bedside. Physicians with basic training in echocardiography, both from intensive care unit or emergency department, can assess the left ventricle function properly with good accuracy compared with assessment made by cardiologists. The change of treatment approach based on echocardiographic findings is commonly seen after examination of unstable patient. This brief review focuses on growing importance of echocardiography as an useful tool for management of critically ill patients in the intensive care setting along with the cardiac output assessment using this resource.


Assuntos
Cuidados Críticos/métodos , Ecocardiografia/estatística & dados numéricos , Sistemas Automatizados de Assistência Junto ao Leito/estatística & dados numéricos , Débito Cardíaco , Serviços Médicos de Emergência/métodos , Humanos , Competência Profissional/normas , Índice de Gravidade de Doença , Função Ventricular Esquerda
4.
Diagn Microbiol Infect Dis ; 76(3): 266-71, 2013 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-23711530

RESUMO

Biomarkers such as procalcitonin (PCT) have been studied to guide duration of antibiotic therapy. We aimed to assess whether a decrease in PCT levels could be used to reduce the duration of antibiotic therapy in intensive care unit (ICU) patients with a proven infection without risking a worse outcome. We assessed 265 patients with suspected sepsis, severe sepsis, or septic shock in our ICU. Of those, we randomized 81 patients with a proven bacterial infection into 2 groups: an intervention group in which the duration of the antibiotic therapy was guided by a PCT protocol and a control group in which there was no PCT guidance. In the per-protocol analysis, the median antibiotic duration was 9 days in the PCT group (n = 20) versus 13 days in the non-PCT group (n = 31), P = 0.008. This study demonstrates that PCT can be a useful tool for limiting antimicrobial therapy in ICU patients with documented bacterial infection.


Assuntos
Antibacterianos/uso terapêutico , Infecções Bacterianas/sangue , Calcitonina/sangue , Precursores de Proteínas/sangue , Choque Séptico/tratamento farmacológico , Adulto , Idoso , Idoso de 80 Anos ou mais , Antibacterianos/economia , Infecções Bacterianas/tratamento farmacológico , Infecções Bacterianas/economia , Infecções Bacterianas/mortalidade , Biomarcadores/sangue , Peptídeo Relacionado com Gene de Calcitonina , Redução de Custos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Choque Séptico/sangue , Choque Séptico/economia , Choque Séptico/mortalidade , Resultado do Tratamento
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