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Distal Lung Inflammation Assessed by Alveolar Concentration of Nitric Oxide Is an Individualised Biomarker of Severe COVID-19 Pneumonia. J Pers Med 2022; 12:jpm12101631. [PMID: 36294770 PMCID: PMC9605039 DOI: 10.3390/jpm12101631] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 11/05/2022] Open
Abstract
Pulmonary sequelae as assessed by pulmonary function tests (PFTs) are often reported in patients infected by SARS-CoV-2 during the post-COVID-19 period. Little is known, however, about the status of pulmonary inflammation during clinical recovery after patients’ discharge from the hospitals. We prospectively measured PFTs coupled with the exhaled nitric oxide (NO) stemming from the proximal airways (FeNO) and the distal lung (CaNO) in 169 consecutive patients with varying degrees of the severity of COVID-19 six weeks to one year after acute infection by SARS-CoV-2. The proportions of patients with abnormal PFTs, defined as the presence of either obstructive/restrictive patterns or impaired lung gas transfer, or both, increased with the severity of the initial lung disease (15, 30, and 52% in patients with mild, moderate, and severe COVID-19). FeNO values remained within normal ranges and did not differ between the three groups of patients. CaNO, however, was significantly higher in patients with severe or critical COVID-19, compared with patients with milder forms of the disease. There was also an inverse relationship between CaNO and DLCO. We conclude that the residual inflammation of the distal lung is still present in the post-COVID-19 follow-up period, in particular, in those patients with an initially severe form of COVID-19. This long-lasting alveolar inflammation might contribute to the long-term development of pulmonary fibrosis and warrants the regular monitoring of exhaled NO together with PFTs in patients with COVID-19.
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Wyszyńska M, Nitsze-Wierzba M, Czelakowska A, Kasperski J, Żywiec J, Skucha-Nowak M. An Evidence-Based Review of Application Devices for Nitric Oxide Concentration Determination from Exhaled Air in the Diagnosis of Inflammation and Treatment Monitoring. Molecules 2022; 27:4279. [PMID: 35807523 PMCID: PMC9268246 DOI: 10.3390/molecules27134279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 02/01/2023] Open
Abstract
The measurement of nitric oxide (NO) in exhaled air is used in diagnostics and monitoring the pathologies not only in the respiratory system but also in the oral cavity. It has shown a huge increase in its level in asthma and diseases of the oral cavity. It seems reasonable to undertake research on the impact of inflammation on the level of NO in exhaled air. The aim of the study is to make an evidence-based review of the application of NO levels in exhaled air in the diagnosis of inflammation and treatment monitoring on the basis of selected measuring devices. METHODS AND RESULTS This paper presents an example of the application of NO measurement in exhaled air in individual human systems. Selected measuring devices, their non-invasiveness, and their advantages are described. DISCUSSION The usefulness of this diagnostic method in pathologies of the oral cavity was noted. CONCLUSIONS Measuring the level of NO in exhaled air seems to be a useful diagnostic method.
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Affiliation(s)
- Magdalena Wyszyńska
- Department of Dental Materials, Division of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 15 Poniatowskiego Street, 40-055 Katowice, Poland
| | - Monika Nitsze-Wierzba
- Department of Dental Prosthetics, Division of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 15 Poniatowskiego Street, 40-055 Katowice, Poland; (M.N.-W.); (A.C.); (J.K.)
| | - Aleksandra Czelakowska
- Department of Dental Prosthetics, Division of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 15 Poniatowskiego Street, 40-055 Katowice, Poland; (M.N.-W.); (A.C.); (J.K.)
| | - Jacek Kasperski
- Department of Dental Prosthetics, Division of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 15 Poniatowskiego Street, 40-055 Katowice, Poland; (M.N.-W.); (A.C.); (J.K.)
| | - Joanna Żywiec
- Department of Clinical Pharmacology, Diabetology and Nephrology, Division of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 15 Poniatowskiego Street, 40-055 Katowice, Poland;
| | - Małgorzata Skucha-Nowak
- Department of Dental Propedeutics, Division of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 15 Poniatowskiego Street, 40-055 Katowice, Poland;
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Exhaled Nitric Oxide Level in Pharynx Angioedema. J Clin Med 2022; 11:jcm11030637. [PMID: 35160089 PMCID: PMC8836686 DOI: 10.3390/jcm11030637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/21/2022] [Accepted: 01/25/2022] [Indexed: 01/27/2023] Open
Abstract
Airway inflammation is related to increased nitric oxide production. It can be assessed noninvasively with exhaled nitric oxide measurement. As airway inflammation was supposed to be present in chronic urticaria and angioedema patients we hypothesized increased exhaled nitric oxide in this group. Twenty-six symptomatic chronic urticaria patients with an acute episode of pharynx angioedema (17 women and 9 men, median age 35) were included in the study group. None of the patients reported a history of asthma, allergic rhinitis or cigarette smoking. The control group consisted of 29 non-smoking healthy subjects (19 women and 10 men, median age 22) without any history of atopy. Exhaled nitric oxide measurement was performed in all subjects. Exhaled nitric oxide levels in the angioedema group did not differ statistically significantly from those detected in healthy subjects (15.5 ppb and 17.0 ppb respectively). Our results indicate the lack of airway inflammation in chronic urticaria patients with pharynx angioedema.
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Guo C, Lv S, Liu Y, Li Y. Biomarkers for the adverse effects on respiratory system health associated with atmospheric particulate matter exposure. JOURNAL OF HAZARDOUS MATERIALS 2022; 421:126760. [PMID: 34396970 DOI: 10.1016/j.jhazmat.2021.126760] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/17/2021] [Accepted: 07/25/2021] [Indexed: 06/13/2023]
Abstract
Large amounts of epidemiological evidence have confirmed the atmospheric particulate matter (PM2.5) exposure was positively correlated with the morbidity and mortality of respiratory diseases. Nevertheless, its pathogenesis remains incompletely understood, probably resulting from the activation of oxidative stress, inflammation, altered genetic and epigenetic modifications in the lung upon PM2.5 exposure. Currently, biomarker investigations have been widely used in epidemiological and toxicological studies, which may help in understanding the biologic mechanisms underlying PM2.5-elicited adverse health outcomes. Here, the emerging biomarkers to indicate PM2.5-respiratory system interactions were summarized, primarily related to oxidative stress (ROS, MDA, GSH, etc.), inflammation (Interleukins, FENO, CC16, etc.), DNA damage (8-OHdG, γH2AX, OGG1) and also epigenetic modulation (DNA methylation, histone modification, microRNAs). The identified biomarkers shed light on PM2.5-elicited inflammation, fibrogenesis and carcinogenesis, thus may favor more precise interventions in public health. It is worth noting that some inconsistent findings may possibly relate to the inter-study differentials in the airborne PM2.5 sample, exposure mode and targeted subjects, as well as methodological issues. Further research, particularly by -omics technique to identify novel, specific biomarkers, is warranted to illuminate the causal relationship between PM2.5 pollution and deleterious lung outcomes.
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Affiliation(s)
- Caixia Guo
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Songqing Lv
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Yufan Liu
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Yanbo Li
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China.
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Heo JW, Lee HY, Han S, Kang HS, Kwon SS, Lee SY. The association between serum apolipoprotein B and fractional exhaled nitric oxide in bronchial asthma patients. J Thorac Dis 2021; 13:4195-4206. [PMID: 34422348 PMCID: PMC8339740 DOI: 10.21037/jtd-20-3314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 04/29/2021] [Indexed: 12/21/2022]
Abstract
Background Asthma and lipid metabolism are associated with systemic inflammation. However, the studies about the relationship between lipid profile, fractional exhaled nitric acid (FeNO) and pulmonary function test (PFT) results are currently lacking. Methods We enrolled asthma patients who had serum lipid profiles including apolipoprotein levels from March 1, 2019 to December 31, 2019. We classified the asthma patients into two groups according to the diagnosis method: (I) patients who were diagnosed based on clinical symptoms/signs and PFT results and (II) patients diagnosed with clinical symptoms/signs. Clinical characteristics including age, underlying diseases, smoking status, allergy test results and treatment agents were compared between the two groups. The associations between blood cholesterol levels including apolipoprotein and pulmonary functions were analyzed. Moreover, patients were divided into two groups according to the median value of apolipoprotein B (Apo B), and lung function test results were compared between the patients who had high and low Apo B levels. Results Among the 167 patients, 93 (55.7%) were PFT-proven asthma patients. In PFT-proven asthma patients, the levels of total cholesterol (TC) (r =0.37, P=0.03), low-density lipoprotein (LDL) (r =0.46, P=0.01) and Apo B (r =0.38, P=0.02) showed a significant correlation with FeNO, which had no statistical significance in physician-diagnosed asthma group. In multivariate regression analysis, log (FeNO) showed a significant correlation with Apo B (P<0.01) after adjustment for presence of PFT-proven asthma (P=0.01) and current smoking (P=0.01). Patients with high Apo B levels had a lower post-bronchodilator (BD) forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) ratio (69.8 vs. 74.9, P=0.02) and lower post-BD FEV1 (%) (77.5 vs. 85.0, P=0.04) compared with those showing low Apo B levels. Conclusions The levels of Apo B and FeNO had positive correlations and high Apo B levels were associated with severe airflow obstruction and low FEV1 (%). Apo B could reflect the uncontrolled status of bronchial asthma and poor lung function.
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Affiliation(s)
- Jung Won Heo
- Division of Internal Medicine, Chung-Ang University H.C.S Hyundae Hospital, Namyangju-si, Republic of Korea
| | - Hwa Young Lee
- Division of Allergy, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Solji Han
- Department of Statistics and Data Science, Yonsei University, Seoul, Republic of Korea
| | - Hye Seon Kang
- Division of Pulmonary, Critical Care and Allergy, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Soon Seog Kwon
- Division of Pulmonary, Critical Care and Allergy, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sook Young Lee
- Division of Allergy, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Truong-Thanh T, Vo-Thi-Kim A, Vu-Minh T, Truong-Viet D, Tran-Van H, Duong-Quy S. The beneficial role of FeNO in association with GINA guidelines for titration of inhaled corticosteroids in adult asthma: A randomized study. Adv Med Sci 2020; 65:244-251. [PMID: 32276003 DOI: 10.1016/j.advms.2020.03.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/16/2019] [Accepted: 03/19/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE This study aimed to demonstrate the role of fractional concentration of exhaled nitric oxide (FeNO) in association with Global Initiative for Asthma (GINA) guidelines for treatment of adult patients with asthma. METHODS It was a prospective and randomized study. The symptomatic asthmatic patients were randomly divided into two groups: GINA group (followed GINA guidelines; N = 86) or GINA + FeNO group (followed GINA guidelines + FeNO for titration of inhaled corticosteroids - ICS; N = 90). They were followed-up for 9 months. RESULTS In GINA group, 37.2% patients had no treatment and 62.8% patients discontinued treatment vs. 40.0% and 60.0% in GINA + FeNO, respectively. After 3, 6 and 9 months of treatment, the percentage of mild, moderate and severe asthma showed no significant difference between the two groups. At 9th month, Δ moderate asthma (reduction) in GINA + FeNO group was significantly higher than in the GINA group (-22.0% vs. -11.6%; P = 0.018). The improvement of asthma control test (ACT) score was not different between the groups at 9th month (12 ± 6 vs. 10 ± 5; P > 0.05); the level of FeNO reduction in GINA + FeNO group was significantly higher than that in GINA group (-42 ± 11 vs. -35 ± 9; P = 0.022). The daily dose of ICS in GINA + FeNO group was significantly lower than that in GINA group (397 ± 171 vs. 482 ± 240 mcg and 375 ± 203 vs. 424 ± 221 mcg; respectively) at the end of 6 and 9 months. CONCLUSION The use of FeNO in association with GINA guidelines has a beneficial role for accurate daily dose of ICS in adult patients with asthma.
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7
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Dinh-Xuan AT, Brusselle G. F ENO as a biomarker guide for inhaled corticosteroid step down in patients with mild-to-moderate well-controlled asthma. Eur Respir J 2020; 55:55/5/2001319. [PMID: 32439733 DOI: 10.1183/13993003.01319-2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 04/23/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Anh Tuan Dinh-Xuan
- Respiratory Physiology Unit, Dept of Respiratory Medicine, Cochin Hospital, AP-HP Centre - Université de Paris, Paris, France
| | - Guy Brusselle
- Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium.,Depts of Epidemiology and Respiratory Medicine, Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands
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Ngo-Minh X, Tang-Thi-Thao T, Doan-Thi-Quynh N, Craig TJ, Duong-Quy S. Study of the role of exhaled nitric oxide (NO) in predicting controlled or uncontrolled asthma in asthmatic children. Multidiscip Respir Med 2020; 15:656. [PMID: 32431811 PMCID: PMC7232017 DOI: 10.4081/mrm.2020.656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 05/04/2020] [Indexed: 12/15/2022] Open
Abstract
Background Exhaled nitric oxide (NO), especially fractional concentration of exhaled NO (FENO) has been used to predict the responsiveness to inhaled corticosteroid (ICS) in children with asthma. However, the use of exhaled NO for predicting asthma control in children is still controversial. Methods This was a perspective observational study. Asthmatic children who were naïve to inhaled corticosteroid (ICS) were included in the present study. The measurements of FENO and CANO (concentration of NO in the gas phase of the alveolar), spirometry, blood eosinophil counts (BEC), and total IgE levels were done for each asthmatic child. All study subjects started proper asthma treatment after the enrollment. Results Ninety three asthmatic children (9±3 years) with moderate (63.4%) to severe (36.6%) asthma were included and finished the 3-month study. The levels of FENO and CANO at inclusion were 37±11 ppb and 5.8±1.4 ppb, respectively; the mean of BEC was 617±258 cells/μL; the level of total IgE was 1563±576 UI/mL; 89% of subjects were positive for at least one respiratory allergen. The percentage of severe asthma was reduced significantly after 3 months (P<0.001). Well controlled asthma subjects at 3 months had higher levels of FENO and lower levels of CANO at inclusion (P<0.05 and P<0.05). FENO<20 ppb or CANO>5ppb had a risk of uncontrolled asthma at 3 months (OR: 1.7, CI 95% [(0.8) - (3.3)], P<0.05; OR: 1.9, CI 95% [(0.9) - (2.7)], P<0.05; respectively). FENO>35 ppb at inclusion had a positive predictive value for asthma control at 3 months (OR: 3.5, CI 95% [2.2-5.9], P<0.01). Conclusions Exhaled NO is a biomarker of asthma which may have a potential role to predict the control of asthma in short-term follow up in asthmatic children.
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Affiliation(s)
- Xuan Ngo-Minh
- Department of Medicine, Pham Ngoc Thach University, Ho Chi Minh city, Vietnam
| | | | | | - Timothy J Craig
- Division of Immuno-Allergology, Hershey Medical Center, Penn State Medical College, Hershey, PA, USA
| | - Sy Duong-Quy
- Department of Medicine, Pham Ngoc Thach University, Ho Chi Minh city, Vietnam.,Clinical Research Center, Lam Dong Medical College, Dalat city, Vietnam.,Division of Immuno-Allergology, Hershey Medical Center, Penn State Medical College, Hershey, PA, USA
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Dinh-Thi-Dieu H, Vo-Thi-Kim A, Tran-Van H, Tang-Thi-Thao T, Duong-Quy S. Study of the beneficial role of exhaled nitric oxide in combination with GINA guidelines for titration of inhaled corticosteroids in children with asthma. J Breath Res 2020; 14:026014. [PMID: 31905348 DOI: 10.1088/1752-7163/ab6809] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
BACKGROUND The use of FENO in association with current guidelines in the treatment of asthma has not been studied thoroughly. This study aimed to evaluate the beneficial role of FENO in combination with GINA (Global Initiative for Asthma) guidelines for titration of inhaled corticosteroids (ICS) in asthmatic children. METHODS It was a prospective and descriptive study. Uncontrolled asthmatic children were randomized to two groups: group 1 (followed GINA guidelines) or group 2 (followed GINA guidelines + FENO modification for ICS titration). The two groups were followed-up for 12 months. RESULTS The mean age of the patients in the study was 10 ± 4 years for group 1 (n = 116) and 11 ± 5 years for group 2 (n = 108). There were 87.9% patients in group 1 and 82.4% in group 2 that had a familial allergic history. There were 58.6% of moderate asthma and 41.4% of severe asthma in group 1, versus 56.4% and 43.6% in group 2, respectively. The percentage of moderate and severe asthma was also significantly modified after 6th and 12th month versus at inclusion (43.1% and 35.3% versus 58.6%, P < 0.01 and P < 0.005; 23.2% and 12.9% versus 41.4%, P < 0.005 and P < 0.001, respectively). The total daily dose of ICS in group 2 at 12th months was significantly lower than that in group 1 (3515 ± 1175 versus 4785 ± 1235 mcg; P < 0.005). The daily cost of ICS treatment in group 2 was also lower than that of group 1 (18 ± 4 versus 27 ± 3 USD; P < 0.05). CONCLUSION The use of FENO in combination with GINA guidelines for ICS titration is useful in reducing the daily ICS dose and treatment cost.
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Duong-Quy S. Clinical Utility Of The Exhaled Nitric Oxide (NO) Measurement With Portable Devices In The Management Of Allergic Airway Inflammation And Asthma. J Asthma Allergy 2019; 12:331-341. [PMID: 31632093 PMCID: PMC6789173 DOI: 10.2147/jaa.s190489] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 09/12/2019] [Indexed: 01/11/2023] Open
Abstract
Nitric oxide (NO) is a potential bioactive gas produced continuously and constantly in the airways of healthy subjects. In allergic airway inflammation, the level of exhaled NO is usually increased and mediated by inducible nitric oxide synthase (iNOS) enzyme presenting in the epithelium and different inflammatory cells. The measurement of NO concentration in the airway is possible with portable devices which use an electroluminescence technique. In subjects with upper airway with allergic inflammation such as in allergic rhinitis, the measurement of nasal NO (nNO) may help to diagnose and manage the disease. In the lower airway, increased fractional exhaled NO (FENO) reflects directly the inflammatory process that occurs in the airways that are typically seen in asthma. It has been shown that there is a strong correlation between FENO levels and increased activity of airway inflammation mediated by immuno-allergic cells and mediators. Thus, FENO has higher specificity and sensitivity than other methods in diagnosing the severity of inflammation in asthmatic patients. Moreover, the correlation between increased FENO levels and a high risk of bronchial hyperresponsiveness has also been demonstrated. FENO is also a relevant biomarker to evaluate asthma status due to the change of its values occurring earlier than clinical manifestations and spirometry parameters. In addition, the measurement of FENO with portable devices helps to support the diagnosis of asthma, to follow-up the control of asthma and to personalize asthmatic patients for target treatment with biologic therapy. Therefore, measuring FENO with portable devices in the diagnosis and treatment of allergic airway inflammation, especially in asthma, is one of the most essential applications of NO biomarkers in exhaled breath.
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Affiliation(s)
- Sy Duong-Quy
- Department of Respiratory Diseases, Medical and Biological Research Centre, Lam Dong Medical College, Dalat City, Lam Dong Province, Vietnam
- Department of Immuno-Allergology, Penn State Medical College, Hershey, PA, USA
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Psoriasis and Respiratory Comorbidities: The Added Value of Fraction of Exhaled Nitric Oxide as a New Method to Detect, Evaluate, and Monitor Psoriatic Systemic Involvement and Therapeutic Efficacy. BIOMED RESEARCH INTERNATIONAL 2018; 2018:3140682. [PMID: 30345297 PMCID: PMC6174805 DOI: 10.1155/2018/3140682] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 07/25/2018] [Accepted: 08/12/2018] [Indexed: 02/06/2023]
Abstract
Psoriasis is a chronic inflammatory systemic disease characterized by a wide range of comorbidities. Respiratory comorbidities are currently poorly characterized and with discordant results. The systemic state of inflammation caused by psoriasis acts de novo on respiratory tissues and amplifies preexisting inflammation from asthma or chronic obstructive pulmonary disease. Because the lungs act as a gas exchanger between the internal and external environment, the impact of chronic psoriasis inflammation may be easily assessed through the analysis of exhaled breath. The fraction of exhaled nitric oxide test (FeNO) is a potential noninvasive solution that can provide quantitative and qualitative indices of respiratory airway inflammation. FeNO is routinely used to screen and manage asthmatic patients. Recent pilot studies contain encouraging data that underscore its possible use with systemic inflammatory nonpulmonary diseases, such as psoriasis. FeNO may therefore be a useful tool to evaluate underestimated airway inflammation and at the same time globally evaluate the impact of systemically antipsoriatic therapies.
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Zhou Y, Lu Y, Zhu H, Zhang Y, Li Y, Yu Q. Short-term effect of a smart nebulizing device on adherence to inhaled corticosteroid therapy in Asthma Predictive Index-positive wheezing children. Patient Prefer Adherence 2018; 12:861-868. [PMID: 29849453 PMCID: PMC5965382 DOI: 10.2147/ppa.s162744] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE To explore the effect of a smart nebulizing device on the rate of adherence to inhaled corticosteroid (ICS) in children with positive Asthma Predictive Index. METHODS In total, 65 children with positive Asthma Predictive Index and under the age of 5 years who visited our hospital from October 2015 through October 2016, were randomly assigned to receive conventional nebulization or smart nebulization. The smart nebulizer was connected to smart phones via an App. The following information was collected: rate of adherence to ICS, frequency of emergency visits or hospitalizations, application of antibiotics or oral steroids, and wheezing progression or improvement. RESULTS The rate of adherence to ICS was 86.67% (26/30), 76.67% (23/30), and 67.33% (20/30) in the smart nebulization group, and 62.86% (22/35), 51.42% (18/35), and 40.00% (14/35) in the conventional nebulization group after 4-, 8-, and 12-week therapy, respectively. There were significant differences between the 2 groups at all of the time points (P<0.05). Both day- and night-time wheezing scores were significantly lower in the smart nebulization group than those of the conventional nebulization group after 4-, 8-, and 12-week therapy (P<0.05). The frequency of emergency visits, comorbidity of respiratory infection, antibiotics or systemic steroid usage, and therapeutic cost for additional treatment during the 12-week study period, was significantly lower in the smart nebulization group than that in the conventional nebulization group (P<0.05). CONCLUSION A smart electronic nebulization device could significantly improve the rate of adherence to ICS in children under the age of 5 years, and thus could significantly reduce the frequency of emergency visits and respiratory infections as well as the usage of antibiotics or systemic steroids.
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Affiliation(s)
- Yuan Zhou
- Department of Pediatrics, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201112, People’s Republic of China
| | - Yanming Lu
- Department of Pediatrics, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201112, People’s Republic of China
| | - Haojin Zhu
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 201112, People’s Republic of China
| | - Yanhan Zhang
- Department of Pediatrics, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201112, People’s Republic of China
| | - Yaqin Li
- Department of Pediatrics, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201112, People’s Republic of China
| | - Qing Yu
- Department of Pediatrics, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201112, People’s Republic of China
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Annesi-Maesano I, Dinh-Xuan AT. Is exhaled nitric oxide a marker of air pollution effect? Eur Respir J 2018; 47:1304-6. [PMID: 27132258 DOI: 10.1183/13993003.00521-2016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 03/11/2016] [Indexed: 01/04/2023]
Affiliation(s)
- Isabella Annesi-Maesano
- Epidemiology of Allergic and Respiratory Diseases Dept (EPAR), Sorbonne Universités, UPMC Univ Paris 06, INSERM, Pierre Louis Institute of Epidemiology and Public Health (IPLESP UMRS 1136), Saint-Antoine Medical School, Paris, France
| | - Anh Tuan Dinh-Xuan
- Université Paris Descartes, Hôpital Cochin - Paris Centre, Assistance Publique Hôpitaux de Paris, Laboratoire de Physiologie Respiratoire, UPRES-EA 2511, Paris, France
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Duong-Quy S, Vu-Minh T, Hua-Huy T, Tang-Thi-Thao T, Le-Quang K, Tran-Thanh D, Doan-Thi-Quynh N, Le-Dong NN, Craig TJ, Dinh-Xuan AT. Study of nasal exhaled nitric oxide levels in diagnosis of allergic rhinitis in subjects with and without asthma. J Asthma Allergy 2017; 10:75-82. [PMID: 28356764 PMCID: PMC5367560 DOI: 10.2147/jaa.s129047] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Background The measure of fractional exhaled nitric oxide (FENO) in the airways is a useful tool to guide the diagnosis and titration of inhaled corticosteroids in patients with asthma. However, its role in diagnosis of allergic rhinitis (AR), especially in subjects with asthma, is not well established. Objective To study the cutoff of nasal FENO in the diagnosis of subjects with AR and AR-asthma compared to age-matched subjects without AR or asthma and its correlations with the clinical and functional characteristics. Methods The study was cross sectional and descriptive. Subjects were grouped into control subjects, AR, and AR-asthma, based on the inclusion criteria. Exhaled NO (nasal FENO, bronchial FENO, and alveolar concentration of NO) was measured by multiple flow electro-luminescence device. Results Six hundred twenty-eight subjects were included: 217 control subjects (children: n=98, 10±4 years; adults: n=119, 50±16 years), 168 subjects with AR (children: n=54, 10±3 years; adults: n=114, 49±15 years), and 243 subjects with AR-asthma (children: n=115, 10±3 years; adults: n=128, 51±14 years). Nasal peak inspiratory flow and peak expiratory flow were lower in subjects with AR and AR-asthma than in control subjects (P<0.01 and P<0.01; and P<0.05 and P<0.01, respectively). Nasal FENO levels were significantly higher in subjects with AR and AR-asthma than in control subjects (1614±629 and 1686±614 ppb vs 582±161 ppb; P<0.001 and P<0.001, respectively). In subjects with AR non-asthma, the cutoffs of nasal FENO for those diagnosed with AR were 775 ppb in children, 799 ppb in adults, and 799 in the general population (sensitivity: 92.68%, 92.63%, and 92.65%, respectively; specificity: 91.67%, 95.00%, and 96.87%, respectively). In subjects with AR-asthma, the cutoffs of nasal FENO were higher, especially in asthma children (1458 ppb; sensitivity: 72.97% and specificity: 95.83%). Conclusion Nasal FENO measurement is a useful technique for the diagnosis of AR in subjects with and without asthma.
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Affiliation(s)
- Sy Duong-Quy
- Department of Respiratory Physiology, Cochin Hospital, Paris Descartes University, Sorbonne Paris Cité, Paris, France; Department of Medicine, Penn State University, Hershey, PA, USA; Bio-Medical Research Center, Lam Dong Medical College, Dalat
| | - Thuc Vu-Minh
- Department of Immuno-Allergology, ENT National Institute, Hanoi, Vietnam
| | - Thong Hua-Huy
- Department of Respiratory Physiology, Cochin Hospital, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | | | - Khiet Le-Quang
- Bio-Medical Research Center, Lam Dong Medical College, Dalat
| | - Dinh Tran-Thanh
- Bio-Medical Research Center, Lam Dong Medical College, Dalat
| | | | - Nhat-Nam Le-Dong
- Department of Pulmonology, St Elisabeth Hospital, Namur, Belgium
| | - Timothy J Craig
- Department of Medicine, Penn State University, Hershey, PA, USA
| | - Anh-Tuan Dinh-Xuan
- Department of Respiratory Physiology, Cochin Hospital, Paris Descartes University, Sorbonne Paris Cité, Paris, France
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Damiani G, Radaeli A, Olivini A, Calvara-Pinton P, Malerba M. Increased airway inflammation in patients with psoriasis. Br J Dermatol 2016; 175:797-9. [PMID: 26991762 DOI: 10.1111/bjd.14546] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- G Damiani
- Department of Dermatology and Venereology, University of Trieste, Trieste, Italy.
| | - A Radaeli
- Department of Internal Medicine, University of Brescia, Spedali Civili di Brescia, Brescia, Italy
| | - A Olivini
- Department of Internal Medicine, University of Brescia, Spedali Civili di Brescia, Brescia, Italy
| | - P Calvara-Pinton
- Department of Dermatology, University of Brescia, Spedali Civili di Brescia, Brescia, Italy
| | - M Malerba
- Department of Internal Medicine, University of Brescia, Spedali Civili di Brescia, Brescia, Italy
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16
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Taillé C, Bourdin A, Garcia G. [Biomarkers in asthma]. Presse Med 2016; 45:1019-1029. [PMID: 27236617 DOI: 10.1016/j.lpm.2016.04.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 03/24/2016] [Accepted: 04/19/2016] [Indexed: 11/17/2022] Open
Abstract
Identifying new biomarkers in asthma is attractive but requires assessing their relevance and their reliability to clinical practice. Beyond fashion, the improvement in identification of new candidate biomarkers benefited of scientific and biologic progresses, biobanks and platforms robustly backed on longitudinal cohorts and registries. Paradoxically, the main issue is now to stress up the good question, in other words to correctly characterize the unmet needs in asthma that might benefit of a biomarker. Chronicity, variability, weakness of diagnostic tools and the heterogeneity of the disease are features of asthma claiming for identifying new biomarkers. Unmet needs in asthma encompass areas such as diagnosis, prognosis, management and follow-up, therapeutic guidance and phenotypic/endotypic identification. FEV1 is an available biomarker largely tested in asthma worth in most of these areas. Albeit, mandatory features required for a new biomarker to emerge, pro/con debates on those already existing and currently used methods for identifying new ones are worth explorations. We reviewed and summarized the current literature focusing biomarkers in asthma.
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Affiliation(s)
- Camille Taillé
- Université Paris Diderot, hôpital Bichat, centre de compétence des maladies pulmonaires rares, département hospitalo-universitaire FIRE, service de pneumologie, Inserm UMR 1152, Paris, France
| | - Arnaud Bourdin
- University of Montpellier, hôpital Arnaud-de-Villeneuve, département de pneumologie et addictologie, PhyMedExp, Inserm U1046, CNRS UMR 9214, Montpellier, France.
| | - Gilles Garcia
- Hôpital universitaire de Bicêtre (AP-HP), structure des explorations fonctionnelles respiratoires, clinique de l'asthme sévère, centre de référence de l'hypertension pulmonaire sévère, service de physiologie, Le Kremlin-Bicêtre, France
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17
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Wang W, Xian M, Xie Y, Zheng J, Li J. Aggravation of airway inflammation and hyper-responsiveness following nasal challenge with Dermatophagoides pteronyssinus in perennial allergic rhinitis without symptoms of asthma. Allergy 2016; 71:378-86. [PMID: 26595454 DOI: 10.1111/all.12808] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2015] [Indexed: 01/01/2023]
Abstract
BACKGROUND House dust mites are the most prevalent allergen causing sensitizations in patients with rhinitis and asthma in China. We aimed to investigate the changes in both upper and lower airway inflammation and responsiveness following Dermatophagoides pteronyssinus (Der-p) nasal provocation test (NPT) in rhinitis patients. METHODS Study subjects included 15 nonasthmatic Der-p-sensitized rhinitis (AR) patients with airway hyper-responsiveness (AHR) (AR+AHR+), 15 AR patients without AHR (AR+AHR-), 15 healthy controls (HCs) with Der-p sensitization (HC+DP+), and 15 HC without Der-p sensitization (HC+DP-). All subjects underwent Der-p NPT. Visual analogue scale (VAS) scores of nasal symptoms, nasal lavage and nasal airway resistance (NAR) measurement, sputum induction, and forced expiratory volume in 1 second (FEV1 ) were performed. Airway responsiveness to histamine bronchoprovocation (PD20 -FEV1 ) and exhaled nitric oxide (FeNO) was determined. RESULTS NAR increased significantly in all subjects with the greatest effect seen in AR+AHR+ individuals. VAS increased in all subjects at 30 min and returned to baseline at 6 h, with significantly higher levels in AR+AHR+ and AR+AHR- subjects (P < 0.05). Eosinophils in nasal lavage fluid and sputum increased significantly after NPT in AR+AHR+ and AR+AHR- subjects (P < 0.001). FEV1 % and PD20 -FEV1 decreased and FeNO increased significantly after NPT only in AR+AHR+ subjects (P < 0.05). Nasal lavage eosinophil count was positively correlated with sputum eosinophil count and the level of FeNO and negatively correlated with FEV1 and PD20 . CONCLUSIONS House dust mite nasal provocation test induces and aggravates both upper and lower airway inflammation and hyper-responsiveness in patients with persistent allergic rhinitis without asthmatic symptoms.
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Affiliation(s)
- W. Wang
- State Key Laboratory of Respiratory Disease; Department of Allergy and Clinical Immunology; The First Affiliated Hospital; Guangzhou Medical University; Guangzhou China
| | - M. Xian
- State Key Laboratory of Respiratory Disease; Department of Allergy and Clinical Immunology; The First Affiliated Hospital; Guangzhou Medical University; Guangzhou China
| | - Y. Xie
- State Key Laboratory of Respiratory Disease; Department of Allergy and Clinical Immunology; The First Affiliated Hospital; Guangzhou Medical University; Guangzhou China
| | - J. Zheng
- State Key Laboratory of Respiratory Disease; Department of Allergy and Clinical Immunology; The First Affiliated Hospital; Guangzhou Medical University; Guangzhou China
| | - J. Li
- State Key Laboratory of Respiratory Disease; Department of Allergy and Clinical Immunology; The First Affiliated Hospital; Guangzhou Medical University; Guangzhou China
- Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Guangzhou Medical University; Guangzhou China
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Study of Exhaled Nitric Oxide in Subjects with Suspected Obstructive Sleep Apnea: A Pilot Study in Vietnam. Pulm Med 2016; 2016:3050918. [PMID: 26881073 PMCID: PMC4737467 DOI: 10.1155/2016/3050918] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Revised: 12/11/2015] [Accepted: 12/14/2015] [Indexed: 11/20/2022] Open
Abstract
Background and Objective. The concentration of exhaled nitric oxide (eNO), reflecting the activity of inducible NO synthase in airway epithelium, has been found to increase in patients with obstructive sleep apnea (OSA). This study aimed to measure eNO concentration in patients with suspected OSA and to correlate different eNO parameters with clinical and sleep apnea characteristics. Methods. In this cross-sectional study, all patients underwent in-lab overnight polysomnography (PSG) and eNO measurement using a method of multiple flow rates before and after PSG (pre- and post-PSG). Results. According to the result of PSG, 82 persons were divided into two groups: control subjects (n = 30; 54 ± 14 years) and patients with OSA defined as apnea-hypopnea index (AHI) ≥ 5/hour (n = 52; 53 ± 12 years). Body mass index (BMI) and neck and abdomen circumferences of OSA patients were significantly higher than those from control subjects. In OSA group, post-PSG alveolar NO concentration (CANO) (5.3 ± 1.9 ppb) was significantly higher than pre-PSG CANO (4.0 ± 1.7 ppb; P < 0.001). Significant correlations have been found between CANO and AHI (P < 0.001) and between CANO and nadir SpO2 (P < 0.05). The daytime CANO value of more than 4.1 ppb can be used to screen symptomatic subjects for the presence of OSA with a high specificity of 93.3%. Conclusion. Our findings indicate CANO as a surrogate marker for OSA in persons with suggestive symptoms.
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Dinh-Xuan AT, Hua-Huy T. Should we monitor exhaled NO to assess the restoration of CFTR function in CF patients? J Cyst Fibros 2015; 14:683-4. [DOI: 10.1016/s1569-1993(15)00247-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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