Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational study

Heart failure and pneumonia are highly prevalent in elderly patients. We conducted a study to evaluate the differences in the patterns of symptoms, laboratory findings, and computed tomography (CT) results in elderly patients with acute cardiogenic pulmonary edema (ACPE) and community-acquired pneu...

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Main Authors: Genki Inui, Katsuyuki Tomita, Masaharu Fukuki, Hirokazu Touge, Tomoyuki Ikeuchi, Ichiro Hisatome, Akira Yamasaki
Format: Article
Language:English
Published: PAGEPress Publications 2023-08-01
Series:Monaldi Archives for Chest Disease
Subjects:
Online Access:https://www.monaldi-archives.org/index.php/macd/article/view/2633
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author Genki Inui
Katsuyuki Tomita
Masaharu Fukuki
Hirokazu Touge
Tomoyuki Ikeuchi
Ichiro Hisatome
Akira Yamasaki
author_facet Genki Inui
Katsuyuki Tomita
Masaharu Fukuki
Hirokazu Touge
Tomoyuki Ikeuchi
Ichiro Hisatome
Akira Yamasaki
author_sort Genki Inui
collection DOAJ
description Heart failure and pneumonia are highly prevalent in elderly patients. We conducted a study to evaluate the differences in the patterns of symptoms, laboratory findings, and computed tomography (CT) results in elderly patients with acute cardiogenic pulmonary edema (ACPE) and community-acquired pneumonia (CAP). From January 1, 2015 to December 31, 2017, we studied 140 patients aged >75 years who were diagnosed with ACPE and CAP. Symptoms, laboratory findings, mean ostial pulmonary vein (PV) diameter and patterns on CT images were assessed. The primary measures of diagnostic accuracy were assessed using the positive likelihood ratio (LR+). The cutoff value of ostial PVs for differentiating patients with ACPE from CAP was evaluated using the receiver operating characteristic (ROC) analysis. Ninety-three patients with ACPE, 36 with CAP, and 11 with complicated ACPE/CAP were included. In patients with ACPE, edema (LR+ 5.4) was a moderate factor for rule-in, and a high brain natriuretic peptide level (LR+ 4.2) was weak. In patients with CAP, cough (LR+ 5.7) and leukocytosis (LR+ 5.2) were moderate factors for rule-in, while fever (LR+ 3.8) and a high C-reactive protein level (LR+ 4.8) were weak factors. The mean diameter of ostial PVs in patients with ACPE was significantly larger than that of patients with CAP (15.8± 1.8 mm vs 9.6±1.5 mm, p< 0.01). ROC analysis revealed that an ostial PV diameter cutoff of 12.5 mm was strong evidence for distinguishing ACPE from CAP with an area under the ROC curve of 0.99 and LR+ 36.0. In conclusion, as ACPE and CAP have similar symptoms and laboratory findings, dilated ostial PVs were useful in characterizing CT images to distinguish ACPE from CAP.
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spelling doaj.art-ec9bb1dc846148f5a94edefeede15cd52023-08-01T18:32:41ZengPAGEPress PublicationsMonaldi Archives for Chest Disease1122-06432532-52642023-08-0110.4081/monaldi.2023.2633Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational studyGenki Inui0Katsuyuki Tomita1Masaharu Fukuki2Hirokazu Touge3Tomoyuki Ikeuchi4Ichiro Hisatome5Akira Yamasaki6Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Tottori; Department of Respiratory Medicine, National Hospital Organization Yonago Medical Center, Yonago, TottoriDepartment of Respiratory Medicine, National Hospital Organization Yonago Medical Center, Yonago, TottoriDepartment of Cardiologic Medicine, National Hospital Organization Yonago Medical Center, Yonago, TottoriDepartment of Respiratory Medicine, National Hospital Organization Yonago Medical Center, Yonago, TottoriDepartment of Respiratory Medicine, National Hospital Organization Yonago Medical Center, Yonago, TottoriDepartment of Cardiologic Medicine, National Hospital Organization Yonago Medical Center, Yonago, TottoriDivision of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Tottori Heart failure and pneumonia are highly prevalent in elderly patients. We conducted a study to evaluate the differences in the patterns of symptoms, laboratory findings, and computed tomography (CT) results in elderly patients with acute cardiogenic pulmonary edema (ACPE) and community-acquired pneumonia (CAP). From January 1, 2015 to December 31, 2017, we studied 140 patients aged >75 years who were diagnosed with ACPE and CAP. Symptoms, laboratory findings, mean ostial pulmonary vein (PV) diameter and patterns on CT images were assessed. The primary measures of diagnostic accuracy were assessed using the positive likelihood ratio (LR+). The cutoff value of ostial PVs for differentiating patients with ACPE from CAP was evaluated using the receiver operating characteristic (ROC) analysis. Ninety-three patients with ACPE, 36 with CAP, and 11 with complicated ACPE/CAP were included. In patients with ACPE, edema (LR+ 5.4) was a moderate factor for rule-in, and a high brain natriuretic peptide level (LR+ 4.2) was weak. In patients with CAP, cough (LR+ 5.7) and leukocytosis (LR+ 5.2) were moderate factors for rule-in, while fever (LR+ 3.8) and a high C-reactive protein level (LR+ 4.8) were weak factors. The mean diameter of ostial PVs in patients with ACPE was significantly larger than that of patients with CAP (15.8± 1.8 mm vs 9.6±1.5 mm, p< 0.01). ROC analysis revealed that an ostial PV diameter cutoff of 12.5 mm was strong evidence for distinguishing ACPE from CAP with an area under the ROC curve of 0.99 and LR+ 36.0. In conclusion, as ACPE and CAP have similar symptoms and laboratory findings, dilated ostial PVs were useful in characterizing CT images to distinguish ACPE from CAP. https://www.monaldi-archives.org/index.php/macd/article/view/2633Acute cardiogenic pulmonary edemaostial pulmonary veinselderlypneumonia
spellingShingle Genki Inui
Katsuyuki Tomita
Masaharu Fukuki
Hirokazu Touge
Tomoyuki Ikeuchi
Ichiro Hisatome
Akira Yamasaki
Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational study
Monaldi Archives for Chest Disease
Acute cardiogenic pulmonary edema
ostial pulmonary veins
elderly
pneumonia
title Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational study
title_full Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational study
title_fullStr Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational study
title_full_unstemmed Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational study
title_short Clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community-acquired pneumonia in elderly patients: a prospective observational study
title_sort clinical characteristics for distinguishing between acute cardiogenic pulmonary edema and community acquired pneumonia in elderly patients a prospective observational study
topic Acute cardiogenic pulmonary edema
ostial pulmonary veins
elderly
pneumonia
url https://www.monaldi-archives.org/index.php/macd/article/view/2633
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