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Feng L, Li J, Qian Z, Li C, Gao D, Wang Y, Xie W, Cai Y, Tong Z, Liang L. Comprehensive Nomograms Using Routine Biomarkers Beyond Eosinophil Levels: Enhancing Predictability of Corticosteroid Treatment Outcomes in AECOPD. J Inflamm Res 2024; 17:1511-1526. [PMID: 38476472 PMCID: PMC10929658 DOI: 10.2147/jir.s450447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Accepted: 02/28/2024] [Indexed: 03/14/2024] Open
Abstract
Purpose Patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) exhibit heterogeneous responses to corticosteroid treatment. We aimed to determine whether combining eosinophil levels with other routine clinical indicators can enhance the predictability of corticosteroid treatment outcomes and to come up with a scoring system. Patients and Methods Consecutive patients admitted with AECOPD receiving corticosteroid treatment between July 2013 and March 2022 at Beijing Chao-Yang Hospital were retrospectively analyzed. Data on patients' demographics, smoking status, hospitalization for AECOPD in the previous year, comorbidities, blood laboratory tests, in-hospital treatment and clinical outcomes were collected. Least absolute shrinkage and selection operator (LASSO) regression and backward logistic regression were used for predictor selection, and predictive nomograms were developed. The discrimination and calibration of the nomograms were assessed using the area under the receiver operating curve (AUC) and calibration plots. Internal validation was performed using the 500-bootstrap method, and clinical utility was evaluated using decision curve analysis (DCA). Results Among the 3254 patients included, 804 (24.7%) had treatment failure. A nomogram of eosinophils, platelets, C-reactive protein (CRP), low density lipoprotein cholesterol, prognostic nutritional index (PNI), hospitalization for AECOPD in the previous year, ischemic heart diseases and chronic hepatic disease was developed to predict treatment failure for patients with a smoking history. For patients without a smoking history, a nomogram of CRP, PNI, ischemic heart diseases and chronic hepatic disease was developed. Although the AUCs of these two nomograms were only 0.644 and 0.647 respectively, they were significantly superior to predictions based solely on blood eosinophil levels. Conclusion We developed easy-to-use comprehensive nomograms utilizing readily available clinical biomarkers related to inflammation, nutrition and immunity, offering modestly enhanced predictive value for treatment outcomes in corticosteroid-treated patients with AECOPD. Further investigations into novel biomarkers and additional patient data are imperative to optimize the predictive performance.
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Affiliation(s)
- Lin Feng
- Department of Clinical Epidemiology, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Jiachen Li
- Department of Clinical Epidemiology, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Zhenbei Qian
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Chenglong Li
- Heart and Vascular Health Research Center, Peking University Clinical Research Institute, Peking University First Hospital, Beijing, People’s Republic of China
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, People’s Republic of China
| | - Darui Gao
- Heart and Vascular Health Research Center, Peking University Clinical Research Institute, Peking University First Hospital, Beijing, People’s Republic of China
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, People’s Republic of China
| | - Yongqian Wang
- Heart and Vascular Health Research Center, Peking University Clinical Research Institute, Peking University First Hospital, Beijing, People’s Republic of China
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, People’s Republic of China
| | - Wuxiang Xie
- Heart and Vascular Health Research Center, Peking University Clinical Research Institute, Peking University First Hospital, Beijing, People’s Republic of China
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, People’s Republic of China
| | - Yutong Cai
- Centre for Environmental Health and Sustainability, Department of Health Sciences, University of Leicester, Leicester, UK
| | - Zhaohui Tong
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Lirong Liang
- Department of Clinical Epidemiology, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
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Duan Y, Nafeisa D, Lian M, Song J, Yang J, Hou Z, Wang J. Development of a nomogram to estimate the risk of community-acquired pneumonia in adults with acute asthma exacerbations. THE CLINICAL RESPIRATORY JOURNAL 2023; 17:1169-1181. [PMID: 37793902 PMCID: PMC10632081 DOI: 10.1111/crj.13706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 08/23/2023] [Accepted: 09/19/2023] [Indexed: 10/06/2023]
Abstract
OBJECTIVE The aim of this study is to investigate the clinical characteristics of acute asthma exacerbations (AEs) with community-acquired pneumonia (CAP) in adults and establish a CAP prediction model for hospitalized patients with AEs. METHODS We retrospectively collected clinical data from 308 patients admitted to Beijing Luhe Hospital, Capital Medical University, for AEs from December 2017 to August 2021. The patients were divided into CAP and non-CAP groups based on whether they had CAP. We used the Lasso regression technique and multivariate logistic regression analysis to select optimal predictors. We then developed a predictive nomogram based on the optimal predictors. The bootstrap method was used for internal validation. We used the area under the receiver operating characteristic curve (AUC), calibration curve, and decision curve analysis (DCA) to assess the nomogram's discrimination, accuracy, and clinical practicability. RESULTS The prevalence of CAP was 21% (65/308) among 308 patients hospitalized for AEs. Independent predictors of CAP in patients hospitalized with an AE (P < 0.05) were C-reactive protein > 10 mg/L, fibrinogen > 4 g/L, leukocytes > 10 × 109 /L, fever, use of systemic corticosteroids before admission, and early-onset asthma. The AUC of the nomogram was 0.813 (95% CI: 0.753-0.872). The concordance index of internal validation was 0.794. The calibration curve was satisfactorily consistent with the diagonal line. The DCA indicated that the nomogram provided a higher clinical net benefit when the threshold probability of patients was 3% to 89%. CONCLUSIONS The nomogram performed well in predicting the risk of CAP in hospitalized patients with AEs, thereby providing rapid guidance for clinical decision-making.
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Affiliation(s)
- Yufan Duan
- Department of Pulmonary and Critical Care Medicine, Beijing Luhe HospitalCapital Medical UniversityBeijingChina
| | - Dilixiati Nafeisa
- Department of Pulmonary and Critical Care Medicine, Beijing Luhe HospitalCapital Medical UniversityBeijingChina
| | - Mengyu Lian
- Department of Pulmonary and Critical Care Medicine, Beijing Luhe HospitalCapital Medical UniversityBeijingChina
| | - Jie Song
- Department of Pulmonary and Critical Care Medicine, Beijing Luhe HospitalCapital Medical UniversityBeijingChina
| | - Jingjing Yang
- Department of Pulmonary and Critical Care Medicine, Beijing Luhe HospitalCapital Medical UniversityBeijingChina
| | - Ziliang Hou
- Department of Pulmonary and Critical Care Medicine, Beijing Luhe HospitalCapital Medical UniversityBeijingChina
| | - Jinxiang Wang
- Department of Pulmonary and Critical Care Medicine, Beijing Luhe HospitalCapital Medical UniversityBeijingChina
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Kanemitsu Y, Kurokawa R, Akamatsu T, Fukumitsu K, Fukuda S, Ito Y, Takeda N, Nishiyama H, Ito K, Tajiri T, Mori Y, Uemura T, Ohkubo H, Takemura M, Maeno K, Oguri T, Shirai T, Niimi A. Decreased capsaicin cough reflex sensitivity predicts hospitalisation due to COPD. BMJ Open Respir Res 2023; 10:10/1/e001283. [PMID: 36697033 PMCID: PMC9884861 DOI: 10.1136/bmjresp-2022-001283] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 01/13/2023] [Indexed: 01/26/2023] Open
Abstract
INTRODUCTION Patients with chronic obstructive pulmonary disease (COPD) are often hospitalised due to severe acute exacerbation (AE) or community-acquired pneumonia (CAP). Previous studies revealed the association of cough reflex sensitivity with the pathophysiology of COPD and pneumonia. We hypothesised that cough reflex sensitivity may be associated with severe AE or CAP requiring hospitalisation in patients with COPD. METHODS We prospectively recruited 68 patients with COPD between June 2018 and January 2020. Patient characteristics, lung and cardiac functions, and biomarkers, including capsaicin cough reflex sensitivity and blood eosinophil count, were evaluated at enrolment. All participants were monitored for AE or CAP requiring hospitalisation for 12 months. We determined the risk factors and ORs for hospitalisation in patients with COPD using a multivariate analysis. RESULTS Eight patients experienced AE (n=3) or CAP (n=5) and required hospitalisation during follow-up. Patients in the hospitalisation+ group had higher modified Medical Research Council scores and blood eosinophil counts (≥300 µL) than those in the hospitalisation- group. Capsaicin cough reflex sensitivity tended to decrease in the hospitalisation+ group compared with that in the hospitalisation- group. Multivariate analysis revealed that a decreased capsaicin cough reflex and high eosinophil count (≥300 µL) were predictive risk factors for future hospitalisation due to AE-COPD or CAP. CONCLUSION In addition to eosinophils, decreased capsaicin cough reflex sensitivity was associated with hospitalisation due to AE-COPD or CAP. Capsaicin cough reflex sensitivity in patients with COPD may play a role in the prevention of severe AE or pneumonia requiring hospitalisation. TRIAL REGISTRATION NUMBER UMIN000032497.
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Affiliation(s)
- Yoshihiro Kanemitsu
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Ryota Kurokawa
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Taisuke Akamatsu
- Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan
| | - Kensuke Fukumitsu
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Satoshi Fukuda
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Yutaka Ito
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Norihisa Takeda
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Hirono Nishiyama
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Keima Ito
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Tomoko Tajiri
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Yuta Mori
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Takehiro Uemura
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Hirotsugu Ohkubo
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Masaya Takemura
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Ken Maeno
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Tetsuya Oguri
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Toshihiro Shirai
- Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan
| | - Akio Niimi
- Department of Respiratory Medicine, Allergy, and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
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Martín-Cuervo M, Gracia-Calvo LA, Macías-García B, Ezquerra LJ, Barrera R. Evaluation of Eosinopenia as a SIRS Biomarker in Critically Ill Horses. Animals (Basel) 2022; 12:ani12243547. [PMID: 36552467 PMCID: PMC9774166 DOI: 10.3390/ani12243547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Systemic inflammatory response syndrome (SIRS) is a very common finding in critically ill patients. To accurately identify patients with SIRS and those who need intensive care, several markers have been evaluated, including cortisol, WBC or lactate. It is widely known that a stress leukogram includes eosinopenia as one of its main markers (neutrophilia, eosinopenia, lymphopenia and mild monocytes). It is known that cortisol concentration in plasma is the main stress biomarker and is strongly correlated with the severity of disease in horses. However, it is not possible to measure this parameter routinely in clinical conditions. Hence, in this study it was hypothesized that the eosinophil count could be a reliable parameter to identify critically ill horses. Horses included in this study were divided into three groups: Group A (sick horses received at the Emergency Unit which did not fulfil the criteria for SIRS), Group B (horses that meet two or more criteria for inclusion in the definition of SIRS) and a control group of healthy horses. In this study, horses with SIRS showed lower eosinophil counts than healthy horses. Moreover, non-surviving horses exhibited lower eosinophil counts than survivors. Eosinopenia could be used to identify horses with SIRS and can be useful as a prognostic marker.
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Affiliation(s)
- María Martín-Cuervo
- Grupo MECIAN, Departamento de Medicina Animal, Facultad de Veterinaria, Campus de Cáceres, Universidad de Extremadura, 10003 Cáceres, Spain
- Correspondence:
| | | | - Beatriz Macías-García
- Grupo MINVET, Departamento de Medicina Animal, Facultad de Veterinaria, Campus de Cáceres, Universidad de Extremadura, 10003 Cáceres, Spain
| | - Luis Javier Ezquerra
- Grupo MECIAN, Departamento de Medicina Animal, Facultad de Veterinaria, Campus de Cáceres, Universidad de Extremadura, 10003 Cáceres, Spain
| | - Rafael Barrera
- Grupo MINVET, Departamento de Medicina Animal, Facultad de Veterinaria, Campus de Cáceres, Universidad de Extremadura, 10003 Cáceres, Spain
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Ruiying W, Zhaoyun, Jianying X. Clinical features and three-year prognosis of AECOPD patients with different levels of blood eosinophils. Heart Lung 2022; 56:29-39. [PMID: 35687923 DOI: 10.1016/j.hrtlng.2022.05.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 05/27/2022] [Accepted: 05/28/2022] [Indexed: 01/21/2023]
Abstract
BACKGROUND Eosinophils are thought to be associated with the frequency and severity of acute exacerbations of chronic obstructive pulmonary disease (AECOPD); however, the role of eosinophilic inflammation in AECOPD is still incompletely understood. OBJECTIVES To investigate the relationship between different levels of blood eosinophils and clinical features, including comorbidities, therapy, and prognosis, and to further explore the optimal eosinophilic cutoff. METHODS We retrospectively collected and analyzed medical data, laboratory findings, chest CT images, treatment, and three-year follow-up data from 984 AECOPD patients with different blood eosinophil (EOS) levels: EOS%<2%, ≥2%; EOS%<3%, ≥3%; eosinophil counts<100 cells/L, ≥100 cells/L. RESULTS The prevalence of eosinophilia was 36.48% of EOS≥2% (359 cases), 22.87% of EOS≥3% (225 cases), and 48.48% with eosinophil counts≥100 cells/µl (477 cases). EOS was associated with comorbidities, including pulmonary heart disease, arrhythmia (atrial fibrillation), laboratory testing and clinical treatment, including respiratory failure, airway limitation, infectious inflammation, rate of antibiotic use, systemic glucocorticoids, and three mortality rates. The ROC curve showed that the indicators of AUC≥0.5 included chest CT imaging (emphysema 1.8% or ≥100/µl, bronchitis, 1.7% or ≥100/µl), osteoporosis (2.4% or ≥140/µl), mental illness 6.1% (or ≥400/µl), dust exposure (2.2% or ≥240/µl) and ex-smoker (1.3% or ≥100/µl). CONCLUSIONS The relatively higher EOS group (≥2% or ≥100/µl) was associated with fewer complications, mild airflow limitation, a tendency of noninfectious inflammation, and lower 3-year mortality. Eosinophils can not only guide clinical treatment but also be an indicator of predicting clinical outcome and prognosis in AECOPD patients.
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Affiliation(s)
- Wang Ruiying
- Department of Pulmonary and Critical Care Medicine, Shanxi Bethune Hospital Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan 030032, China.
| | - Zhaoyun
- Department of Pulmonary and Critical Care Medicine, Shanxi Bethune Hospital Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan 030032, China
| | - Xu Jianying
- Department of Pulmonary and Critical Care Medicine, Shanxi Bethune Hospital Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan 030032, China
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Is it time to readjust the doses of inhaled corticosteroids in COPD? ARCHIVOS DE BRONCONEUMOLOGÍA 2022; 58:593-594. [DOI: 10.1016/j.arbres.2022.01.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 11/20/2022]
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