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Do N-terminal pro-brain natriuretic peptide levels determine the prognosis of community acquired pneumonia? / Os níveis de pró-peptídeo natriurético cerebral N-terminal determinam o prognóstico de pneumonia adquirida na comunidade?
Akpınar, Evrim Eylem; Hoşgün, Derya; Akpınar, Serdar; Ateş, Can; Baha, Ayşe; Gülensoy, Esen Sayın; Ogan, Nalan.
  • Akpınar, Evrim Eylem; Ufuk University. Faculty of Medicine. Department of Chest Diseases. Ankara. TR
  • Hoşgün, Derya; Elazıg Education and Research Hospital. Department of Intensive Care Unit. Elazıg. TR
  • Akpınar, Serdar; Dıskapı Education and Research Hospital. Department of Intensive Care Unit. Ankara. TR
  • Ateş, Can; Van Yuzuncu Yil University. Faculty of Medicine. Department of Biostatistics. Van. TR
  • Baha, Ayşe; Girne Akcicek Hospital. Girne. CY
  • Gülensoy, Esen Sayın; Ufuk University. Faculty of Medicine. Department of Chest Diseases. Ankara. TR
  • Ogan, Nalan; Ufuk University. Faculty of Medicine. Department of Chest Diseases. Ankara. TR
J. bras. pneumol ; 45(4): e20180417, 2019. tab, graf
Article in English | LILACS | ID: biblio-1012568
ABSTRACT
ABSTRACT

Objective:

Pneumonia is a leading cause of mortality worldwide, especially in the elderly. The use of clinical risk scores to determine prognosis is complex and therefore leads to errors in clinical practice. Pneumonia can cause increases in the levels of cardiac biomarkers such as N-terminal pro-brain natriuretic peptide (NT-proBNP). The prognostic role of the NT-proBNP level in community acquired pneumonia (CAP) remains unclear. The aim of this study was to evaluate the prognostic role of the NT-proBNP level in patients with CAP, as well as its correlation with clinical risk scores.

Methods:

Consecutive inpatients with CAP were enrolled in the study. At hospital admission, venous blood samples were collected for the evaluation of NT-proBNP levels. The Pneumonia Severity Index (PSI) and the Confusion, Urea, Respiratory rate, Blood pressure, and age ≥ 65 years (CURB-65) score were calculated. The primary outcome of interest was all-cause mortality within the first 30 days after hospital admission, and a secondary outcome was ICU admission.

Results:

The NT-proBNP level was one of the best predictors of 30-day mortality, with an area under the curve (AUC) of 0.735 (95% CI 0.642-0.828; p < 0.001), as was the PSI, which had an AUC of 0.739 (95% CI 0.634-0.843; p < 0.001), whereas the CURB-65 had an AUC of only 0.659 (95% CI 0.556-0.763; p = 0.006). The NT-proBNP cut-off level found to be the best predictor of ICU admission and 30-day mortality was 1,434.5 pg/mL.

Conclusions:

The NT-proBNP level appears to be a good predictor of ICU admission and 30-day mortality among inpatients with CAP, with a predictive value for mortality comparable to that of the PSI and better than that of the CURB-65 score.
RESUMO
RESUMO

Objetivo:

A pneumonia é uma das principais causas de mortalidade no mundo, especialmente em idosos. O uso de escores de risco clínico para determinar o prognóstico é complexo e, portanto, leva a erros na prática clínica. A pneumonia pode causar aumento nos níveis de biomarcadores cardíacos, como o N-terminal pro-brain natriuretic peptide (NT-proBNP, pró-peptídeo natriurético cerebral N-terminal). O papel prognóstico do nível de NT-proBNP na pneumonia adquirida na comunidade (PAC) continua incerto. O objetivo deste estudo foi avaliar o papel prognóstico do nível de NT-proBNP em pacientes com PAC, bem como sua correlação com escores de risco clínico.

Métodos:

Pacientes consecutivos internados com PAC foram incluídos no estudo. Na internação hospitalar, foram coletadas amostras de sangue venoso para avaliação dos níveis de NT-proBNP. Foram calculados o Pneumonia Severity Index (PSI, Índice de Gravidade de Pneumonia) e o escore Confusão mental, Ureia, frequência Respiratória, Blood pressure (pressão arterial) e idade ≥ 65 anos (CURB-65). O desfecho primário de interesse foi mortalidade por todas as causas nos primeiros 30 dias após a admissão hospitalar, e um desfecho secundário foi admissão na UTI.

Resultados:

O nível de NT-proBNP foi um dos melhores preditores de mortalidade em 30 dias, com uma área sob a curva (ASC) de 0,735 (IC95% 0,642-0,828; p < 0,001), assim como o PSI, que teve uma ASC de 0,739 (IC95% 0,634-0,843; p < 0,001), enquanto CURB-65 teve uma ASC de apenas 0,659 (IC95% 0,556-0,763; p = 0,006). O nível de corte do NT-proBNP que mostrou ser o melhor preditor de admissão na UTI e de mortalidade em 30 dias foi de 1.434,5 pg/ml.

Conclusões:

O nível de NT-proBNP parece ser um bom preditor de admissão na UTI e de mortalidade em 30 dias entre pacientes internados com PAC, com um valor preditivo para mortalidade comparável ao do PSI e superior ao do CURB-65.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Peptide Fragments / Pneumonia / Community-Acquired Infections / Natriuretic Peptide, Brain Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2019 Type: Article Affiliation country: Cyprus / Turkey Institution/Affiliation country: D&#305;skap&#305; Education and Research Hospital/TR / Elaz&#305;g Education and Research Hospital/TR / Girne Akcicek Hospital/CY / Ufuk University/TR / Van Yuzuncu Yil University/TR

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Full text: Available Index: LILACS (Americas) Main subject: Peptide Fragments / Pneumonia / Community-Acquired Infections / Natriuretic Peptide, Brain Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2019 Type: Article Affiliation country: Cyprus / Turkey Institution/Affiliation country: D&#305;skap&#305; Education and Research Hospital/TR / Elaz&#305;g Education and Research Hospital/TR / Girne Akcicek Hospital/CY / Ufuk University/TR / Van Yuzuncu Yil University/TR