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Cueto-Robledo G, Cantero-Ceballos MDC, Gonzalez-Hermosillo LM, Navarro-Vergara DI, Garcia-Cesar M, Torres-Rojas MB, Hernandez-Villa L, Serrato BG, Alfaro-Cruz A. Severe pulmonary hypertension in pulmonary alveolar microlithiasis: A comprehensive literature review. Curr Probl Cardiol 2024; 49:102453. [PMID: 38342349 DOI: 10.1016/j.cpcardiol.2024.102453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 02/08/2024] [Indexed: 02/13/2024]
Abstract
This review focuses on Pulmonary Alveolar Microlithiasis (PAM), an autosomal recessive genetic disorder characterized by calcium crystal deposits (microliths) resulting from loss of function of the SLC34A2 gene. PAM is a rare disease with approximately 1100 reported cases globally. The historical context of its discovery and the genetic, epidemiological, and pathophysiological aspects are discussed. PAM falls under interstitial lung diseases and is associated with pulmonary hypertension (PH), primarily categorized as Group 3 PH. The clinical manifestations, diagnostic approaches, and challenging aspects of treatment are explored. A clinical case of PAM with severe pulmonary hypertension is presented, emphasizing the importance of comprehensive evaluation and the potential benefits of phosphodiesterase-5 inhibitors (PDE5i) therapy. Despite limited therapeutic options and challenging diagnosis, this review sheds light on recent developments and emerging treatments for PAM and associated pulmonary hypertension.
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Affiliation(s)
- Guillermo Cueto-Robledo
- Cardiorespiratory Emergencies, Hospital General de México "Dr Eduardo Liceaga", Mexico City 06720, Mexico; Pulmonary Circulation Clinic, Hospital General de México "Dr. Eduardo Liceaga", Mexico City 06720, Mexico; Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico.
| | | | | | - Dulce-Iliana Navarro-Vergara
- Cardiorespiratory Emergencies, Hospital General de México "Dr Eduardo Liceaga", Mexico City 06720, Mexico; Pulmonary Circulation Clinic, Hospital General de México "Dr. Eduardo Liceaga", Mexico City 06720, Mexico
| | - Marisol Garcia-Cesar
- Cardiorespiratory Emergencies, Hospital General de México "Dr Eduardo Liceaga", Mexico City 06720, Mexico; Pulmonary Circulation Clinic, Hospital General de México "Dr. Eduardo Liceaga", Mexico City 06720, Mexico
| | - Maria-Berenice Torres-Rojas
- Cardiorespiratory Emergencies, Hospital General de México "Dr Eduardo Liceaga", Mexico City 06720, Mexico; Pulmonary Circulation Clinic, Hospital General de México "Dr. Eduardo Liceaga", Mexico City 06720, Mexico
| | - Lizbeth Hernandez-Villa
- Cardiorespiratory Emergencies, Hospital General de México "Dr Eduardo Liceaga", Mexico City 06720, Mexico; Pulmonary Circulation Clinic, Hospital General de México "Dr. Eduardo Liceaga", Mexico City 06720, Mexico
| | - Brenda-Guadalupe Serrato
- Pneumology Department, Hospital General de Mexico "Dr. Eduardo Liceaga", Mexico City 06720, Mexico
| | - Ana Alfaro-Cruz
- Pathological Anatomy Department, Hospital General de Mexico "Dr. Eduardo Liceaga", Mexico City 06720, Mexico
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Shi M, Qumu S, Wang S, Peng Y, Yang L, Huang K, He R, Dong F, Niu H, Yang T, Wang C. Abnormal heart rate responses to exercise in non-severe COPD: relationship with pulmonary vascular volume and ventilatory efficiency. BMC Pulm Med 2024; 24:183. [PMID: 38632576 PMCID: PMC11022473 DOI: 10.1186/s12890-024-03003-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 04/09/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Despite being a prognostic predictor, cardiac autonomic dysfunction (AD) has not been well investigated in chronic obstructive pulmonary disease (COPD). We aimed to characterise computed tomography (CT), spirometry, and cardiopulmonary exercise test (CPET) features of COPD patients with cardiac AD and the association of AD with CT-derived vascular and CPET-derived ventilatory efficiency metrics. METHODS This observational cohort study included stable, non-severe COPD patients. They underwent clinical evaluation, spirometry, CPET, and CT. Cardiac AD was determined based on abnormal heart rate responses to exercise, including chronotropic incompetence (CI) or delayed heart rate recovery (HRR) during CPET. RESULTS We included 49 patients with FEV1 of 1.2-5.0 L (51.1-129.7%), 24 (49%) had CI, and 15 (31%) had delayed HRR. According to multivariate analyses, CI was independently related to reduced vascular volume (VV; VV ≤ median; OR [95% CI], 7.26 [1.56-33.91]) and low ventilatory efficiency (nadir VE/VCO2 ≥ median; OR [95% CI], 10.67 [2.23-51.05]). Similar results were observed for delayed HRR (VV ≤ median; OR [95% CI], 11.46 [2.03-64.89], nadir VE/VCO2 ≥ median; OR [95% CI], 6.36 [1.18-34.42]). CONCLUSIONS Cardiac AD is associated with impaired pulmonary vascular volume and ventilatory efficiency. This suggests that lung blood perfusion abnormalities may occur in these patients. Further confirmation is required in a large population-based cohort.
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Affiliation(s)
- Minghui Shi
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Capital Medical University, 100069, Beijing, China
| | - Shiwei Qumu
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
| | - Siyuan Wang
- Department of Rehabilitation Medicine, China-Japan Friendship Hospital, 100029, Beijing, China
| | - Yaodie Peng
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Peking University Health Science Center, 100871, Beijing, China
| | - Lulu Yang
- Fangzhuang Community Health Service Center, Capital Medical University, 100078, Beijing, China
| | - Ke Huang
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
| | - Ruoxi He
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
| | - Feng Dong
- Department of Clinical Research and Data Management, Center of Respiratory Medicine, China-Japan Friendship Hospital, 100078, Beijing, China
| | - Hongtao Niu
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China
| | - Ting Yang
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
| | - Chen Wang
- National Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
- National Clinical Research Center for Respiratory Diseases, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No. 2 East Yinghua Road, Chaoyang District, 100029, Beijing, China.
- Capital Medical University, 100069, Beijing, China.
- Chinese Academy of Medical Sciences and Peking Union Medical College, No. 2 East Yinghua Road, Chaoyang District, 100730, Beijing, China.
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Sapey E, Crowley LE, Edgar RG, Griffiths D, Samanta S, Crisford H, Bolton CE, Hurst JR, Stockley RA. Cardiovascular disease in Alpha 1 antitrypsin deficiency: an observational study assessing the role of neutrophil proteinase activity and the suitability of validated screening tools. Orphanet J Rare Dis 2024; 19:130. [PMID: 38515138 PMCID: PMC10956254 DOI: 10.1186/s13023-024-03124-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 03/03/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Alpha 1 Antitrypsin Deficiency (AATD) is a rare, inherited lung disease which shares features with Chronic Obstructive Pulmonary Disease (COPD) but has a greater burden of proteinase related tissue damage. These proteinases are associated with cardiovascular disease (CVD) in the general population. It is unclear whether patients with AATD have a greater risk of CVD compared to usual COPD, how best to screen for this, and whether neutrophil proteinases are implicated in AATD-associated CVD. This study had three aims. To compare CVD risk in never-augmented AATD patients to non-AATD COPD and healthy controls (HC). To assess relationships between CVD risk and lung physiology. To determine if neutrophil proteinase activity was associated with CVD risk in AATD. Cardiovascular risk was assessed by QRISK2® score and aortic stiffness measurements using carotid-femoral (aortic) pulse wave velocity (aPWV). Medical history, computed tomography scans and post-bronchodilator lung function parameters were reviewed. Systemic proteinase 3 activity was measured. Patients were followed for 4 years, to assess CVD development. RESULTS 228 patients with AATD, 50 with non-AATD COPD and 51 healthy controls were recruited. In all COPD and HC participants, QRISK2® and aPWV gave concordant results (with both measures either high or in the normal range). This was not the case in AATD. Once aPWV was adjusted for age and smoking history, aPWV was highest and QRISK2® lowest in AATD patients compared to the COPD or HC participants. Higher aPWV was associated with impairments in lung physiology, the presence of emphysema on CT scan and proteinase 3 activity following adjustment for age, smoking status and traditional CVD risk factors (using QRISK2® scores) in AATD. There were no such relationships with QRISK2® in AATD. AATD patients with confirmed CVD at four-year follow up had a higher aPWV but not QRISK2® at baseline assessment. CONCLUSION aPWV measured CVD risk is elevated in AATD. This risk is not captured by QRISK2®. There is a relationship between aPWV, lung disease and proteinase-3 activity. Proteinase-driven breakdown of elastin fibres in large arteries and lungs is a putative mechanism and forms a potential therapeutic target for CVD in AATD.
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Affiliation(s)
- E Sapey
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, B15 2GW, UK
- University Hospitals Birmingham NHS Foundation Trust, Edgbaston, Birmingham, West Midlands, UK
| | - L E Crowley
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, B15 2GW, UK.
- University Hospitals Birmingham NHS Foundation Trust, Edgbaston, Birmingham, West Midlands, UK.
| | - R G Edgar
- Institute of Applied Health, University of Birmingham, Birmingham, West Midlands, UK
| | - D Griffiths
- University Hospitals Birmingham NHS Foundation Trust, Edgbaston, Birmingham, West Midlands, UK
| | - S Samanta
- UCL Respiratory, University College London, London, UK
| | - H Crisford
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, B15 2GW, UK
| | - C E Bolton
- NIHR Nottingham BRC Respiratory Theme, School of Medicine, University of Nottingham, City Hospital NUH Trust, Nottingham, UK
| | - J R Hurst
- UCL Respiratory, University College London, London, UK
| | - R A Stockley
- University Hospitals Birmingham NHS Foundation Trust, Edgbaston, Birmingham, West Midlands, UK
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Jiang ZD, Wang C, Jiang JK, Wang J. Infants with neonatal Chronic Lung Disease are associated with delayed auditory conduction in the rostral brainstem after term. Clinics (Sao Paulo) 2024; 79:100341. [PMID: 38457938 DOI: 10.1016/j.clinsp.2024.100341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 12/28/2023] [Accepted: 02/15/2024] [Indexed: 03/10/2024] Open
Abstract
AIMS Very Low Birthweight (VLBW) infants with neonatal Chronic Lung Disease (CLD) have been found to have functional impairment of the brainstem auditory pathway at term. This study investigated the functional status of the brainstem auditory pathway in VLBW infants with CLD after term for any abnormality. METHODS Fifty-two VLBW infants were recruited at 50 weeks of Postconceptional Age: 25 with neonatal CLD and 27 without CLD. None had any other major complications to minimize confounding effects. Brainstem Auditory Evoked Responses were studied at 21‒91/s click rates. RESULTS Compared with those without CLD, VLBW infants with CLD had relatively shorter latencies of BAER waves I and III, associated with a slightly lower BAER threshold. Wave V latency and I‒V interpeak interval did not differ significantly between the two groups of infants. The I‒III interval in infants with CLD was shorter than in those without CLD at 91/s clicks. However, the III‒V interval was significantly longer than in those without CLD at all click rates (all p < 0.05). There were no significant differences in the amplitudes of BAER wave components between the two groups of infants. CONCLUSIONS The main BAER abnormality in VLBW infants with CLD was a prolonged III‒V interval. Auditory conduction is delayed or impaired at more central regions of the brainstem in CLD infants. After term central auditory function is adversely affected by neonatal CLD. Monitoring post-term change is required to provide valuable information for post-term care of CLD infants.
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Affiliation(s)
- Ze Dong Jiang
- Division of Neonatology, Children's Hospital of Fudan University, China.
| | - Cui Wang
- Division of Neonatology, Children's Hospital of Fudan University, China
| | - James K Jiang
- Division of Neonatology, Children's Hospital of Fudan University, China
| | - Jin Wang
- Division of Neonatology, Children's Hospital of Fudan University, China
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Posses Bridi GD, de Oliveira MR, Carvalho CRR, do Nascimento ECT, Baldi BG. Thoracic endometriosis presenting as diffuse cystic lung disease: a rare case report. Pulmonology 2024; 30:195-197. [PMID: 37210336 DOI: 10.1016/j.pulmoe.2023.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/27/2023] [Accepted: 04/14/2023] [Indexed: 05/22/2023] Open
Affiliation(s)
- G das Posses Bridi
- Divisão de Pneumologia, Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - M R de Oliveira
- Divisão de Pneumologia, Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - C R R Carvalho
- Divisão de Pneumologia, Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - E C T do Nascimento
- Departamento de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - B G Baldi
- Divisão de Pneumologia, Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil.
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Soundappan K, Sehgal IS, Prabhakar N, Rana S, Raju R, Dhooria S, Prasad KT, Muthu V, Rudramurthy SM, Chakrabarti A, Garg M, Agarwal R. Incidence and prevalence of chronic pulmonary aspergillosis in patients with post-tuberculosis lung abnormality: Results from a community survey in North India. Mycoses 2024; 67:e13711. [PMID: 38414309 DOI: 10.1111/myc.13711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/23/2024] [Accepted: 02/17/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND Post-tuberculosis lung abnormality (PTLA) is the most common risk factor for developing chronic pulmonary aspergillosis (CPA). However, the prevalence and incidence of CPA in PTLA patients in India remain unknown. OBJECTIVES We aimed to ascertain the incidence and prevalence of CPA in subjects with PTLA. METHODS We identified a cohort of pulmonary tuberculosis who completed anti-tuberculosis therapy (ATT) before November 2019 from the records of the 12 tuberculosis treatment centers attached to the national program. We recorded the clinical and demographic details. We performed computed tomography (CT) of the chest and estimated serum A. fumigatus-specific IgG. We categorised subjects as PTLA with or without CPA using a composite of clinical, radiological, and microbiological features. We resurveyed the subjects at 6 months (or earlier) for the presence of new symptoms. We calculated the prevalence and the incidence rate (per 100-person years) of CPA. RESULTS We included 117 subjects with PTLA, with a median of 3 years after ATT completion. Eleven subjects had CPA in the initial survey, and one additional case developed CPA during the second survey. The prevalence of CPA in PTLA subjects was 10.3% (12/117). The total observation period was 286.7 person-years. The median (interquartile range) time to develop CPA after ATT completion was 12.5 (5-36.7) months. We found the CPA incidence rate (95% confidence interval) of 4.2 (1.8-6.5) per 100-person years. CONCLUSION Chronic pulmonary aspergillosis complicates 10% of PTLA subjects after successful outcomes with ATT. Four new CPA cases may develop per 100-persons years of observation after ATT completion. We suggest screening patients with PTLA who develop new symptoms for CPA.
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Affiliation(s)
- Kathirvel Soundappan
- Department of Community Medicine and School of Public Health, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | | | - Nidhi Prabhakar
- Department of Radiodiagnosis, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Samriti Rana
- Department of Pulmonary Medicine, PGIMER, Chandigarh, India
| | | | | | | | | | - Shivaprakash M Rudramurthy
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | | | - Mandeep Garg
- Department of Radiodiagnosis, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Ritesh Agarwal
- Department of Pulmonary Medicine, PGIMER, Chandigarh, India
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Jana M, Sinha P, Garg P, Naranje P, Kabra SK, Bhalla AS. Imaging Findings in Chronic Granulomatous Disease (CGD). Indian J Pediatr 2024; 91:242-247. [PMID: 36454508 DOI: 10.1007/s12098-022-04350-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/14/2022] [Accepted: 07/27/2022] [Indexed: 12/03/2022]
Abstract
OBJECTIVES To describe prevalence of various imaging findings in chronic granulomatous disease (CGD) patients; and find imaging biomarkers for differentiating chest infections caused by different micro-organisms. METHODS A retrospective study was conducted on 15 patients (49 scans) with proven CGD. Scans which had a correlative microbiological diagnosis for organisms were included in the analysis. The scans were reviewed by 3 radiologists on a predefined proforma, under the lung parenchymal, airway, pleural, mediastinal, and extrathoracic abnormalities. Analysis of various imaging parameters on a semiquantitative scale was performed, followed by a correlation of each imaging findings with causative organisms. RESULT The mean age of presentation was nearly 7 y, with a male preponderance. Definitive proof of causative organisms was obtained in 22 scans. Bacterial infection was found in 7, fungal in 12, tubercular in 2, and viral in 1 scan. Most prevalent thoracic imaging manifestations included lymphadenopathy (commonest), consolidation, nodules, air trapping, and bronchiectasis. Fungal infections showed necrotic conglomerate lymphadenopathy, cavitating nodules, and multilobar consolidation more frequently than bacterial infections (though not statistically significant). Abscesses and lymphadenopathy were the most common extrathoracic manifestations. CONCLUSION In patients with CGD, multifocal or multilobar consolidation, mass-like consolidation, cavitating nodules, and conglomerate necrotic lymphadenopathy should alert the radiologist to a possible fungal cause.
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Affiliation(s)
- Manisha Jana
- Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Pallavi Sinha
- Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Palak Garg
- Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Priyanka Naranje
- Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Sushil K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Ashu Seith Bhalla
- Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, New Delhi, 110029, India.
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Malinczak CA, Fonseca W, Hrycaj SM, Morris SB, Rasky AJ, Yagi K, Wellik DM, Ziegler SF, Zemans RL, Lukacs NW. Early-life pulmonary viral infection leads to long-term functional and lower airway structural changes in the lungs. Am J Physiol Lung Cell Mol Physiol 2024; 326:L280-L291. [PMID: 38290164 DOI: 10.1152/ajplung.00300.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 01/03/2024] [Accepted: 01/17/2024] [Indexed: 02/01/2024] Open
Abstract
Early-life respiratory virus infections have been correlated with enhanced development of childhood asthma. In particular, significant numbers of respiratory syncytial virus (RSV)-hospitalized infants go on to develop lung disease. It has been suggested that early-life viral infections may lead to altered lung development or repair that negatively impacts lung function later in life. Our data demonstrate that early-life RSV infection modifies lung structure, leading to decreased lung function. At 5 wk postneonatal RSV infection, significant defects are observed in baseline pulmonary function test (PFT) parameters consistent with decreased lung function as well as enlarged alveolar spaces. Lung function changes in the early-life RSV-infected group continue at 3 mo of age. The altered PFT and structural changes induced by early-life RSV were mitigated in TSLPR-/- mice that have previously been shown to have reduced immune cell accumulation associated with a persistent Th2 environment. Importantly, long-term effects were demonstrated using a secondary RSV infection 3 mo following the initial early-life RSV infection and led to significant additional defects in lung function, with severe mucus deposition within the airways, and consolidation of the alveolar spaces. These studies suggest that early-life respiratory viral infection leads to alterations in lung structure/repair that predispose to diminished lung function later in life.NEW & NOTEWORTHY These studies outline a novel finding that early-life respiratory virus infection can alter lung structure and function long-term. Importantly, the data also indicate that there are critical links between inflammatory responses and subsequent events that produce a more severe pathogenic response later in life. The findings provide additional data to support that early-life infections during lung development can alter the trajectory of airway function.
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Affiliation(s)
| | - Wendy Fonseca
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, United States
| | - Steven M Hrycaj
- Department of Internal Medicine, Pulmonary, University of Michigan, Ann Arbor, Michigan, United States
| | - Susan B Morris
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, United States
| | - Andrew J Rasky
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, United States
| | - Kazuma Yagi
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, United States
| | - Deneen M Wellik
- Department of Cell and Regenerative Biology, University of Wisconsin, Madison, Wisconsin, United States
| | - Steven F Ziegler
- Immunology Program, Benaroya Research Institute, Seattle, Washington, United States
| | - Rachel L Zemans
- Department of Internal Medicine, Pulmonary, University of Michigan, Ann Arbor, Michigan, United States
| | - Nicholas W Lukacs
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, United States
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, Michigan, United States
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9
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Sehgal IS, Dhooria S, Muthu V, Salzer HJF, Agarwal R. Burden, clinical features, and outcomes of post-tuberculosis chronic obstructive lung diseases. Curr Opin Pulm Med 2024; 30:156-166. [PMID: 37902135 DOI: 10.1097/mcp.0000000000001026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
PURPOSE OF REVIEW Post-tuberculosis lung disease (PTLD) is an increasingly recognized and debilitating consequence of pulmonary tuberculosis (PTB). In this review, we provide a comprehensive overview of PTLD with airflow obstruction (PTLD-AFO), focusing on its burden, pathophysiology, clinical manifestations, diagnostic methods, and management strategies. RECENT FINDINGS The relationship between PTLD and airflow obstruction is complex and multifactorial. Approximately 60% of the patients with PTLD have some spirometric abnormality. Obstruction is documented in 18-22% of PTLD patients. The host susceptibility and host response to mycobacterium drive the pathogenic mechanism of PTLD. A balance between inflammatory, anti-inflammatory, and fibrotic pathways decides whether an individual with PTB would have PTLD after microbiological cure. An obstructive abnormality in PTLD-AFO is primarily due to destruction of bronchial walls, aberrant healing, and reduction of mucosal glands. The most common finding on computed tomography (CT) of thorax in patients with PTLD-AFO is bronchiectasis and cavitation. Therefore, the 'Cole's vicious vortex' described in bronchiectasis applies to PTLD. A multidisciplinary approach is required for diagnosis and treatment. The disability-adjusted life-years (DALYs) attributed to PTLD represent about 50% of the total estimated burden of DALYs due to tuberculosis (TB). Patients with PTLD require comprehensive care that includes psychosocial support, pulmonary rehabilitation, and vaccination against respiratory pathogens. In the absence of trials evaluating different treatments for PTLD-AFO, therapy is primarily symptomatic. SUMMARY PTLD with airflow obstruction has considerable burden and causes a significant morbidity and mortality. However, many aspects of PTLD-AFO still need to be answered. Studies are required to evaluate different phenotypes, especially concerning Aspergillus -related complications. The treatment should be personalized based on the predominant phenotype of airflow obstruction. Extensive studies to understand the exact burden, pathogenesis, and treatment of PTBLD-AFO are needed.
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Affiliation(s)
- Inderpaul Singh Sehgal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, Punjab, India
| | - Sahajal Dhooria
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, Punjab, India
| | - Valliappan Muthu
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, Punjab, India
| | - Helmut J F Salzer
- Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine 4 - Pneumology, Kepler University Hospital
- Medical Faculty, Johannes Kepler University Linz, Linz
- Ignaz-Semmelweis-Institute, Interuniversity Institute for Infection Research, Vienna, Austria
| | - Ritesh Agarwal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, Punjab, India
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10
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Sayadi A, Duhaut L, Robert F, Savale L, Coilly A. [Hepatopulmonary syndrome]. Rev Med Interne 2024; 45:156-165. [PMID: 37005097 DOI: 10.1016/j.revmed.2023.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 03/07/2023] [Accepted: 03/17/2023] [Indexed: 04/03/2023]
Abstract
The hepatopulmonary syndrome (HPS) is one of the lung diseases associated with cirrhosis and portal hypertension. It should be discussed for any dyspnea in cirrhotic patients. HPS is a pulmonary vascular disease characterized by intrapulmonary vascular dilatations (IPVD). The pathogenesis is complex and seems to rely on communications between the portal and pulmonary circulations. The diagnosis is based on a triad of liver disease and portal hypertension, evidence of IPVDs, and impaired gas exchange (alveolar-arterial oxygen difference [A-aO2]≥15mmHg). HPS impairs prognosis (23% survival at 5years) and patients' quality of life. Liver transplantation (LT) allows regression of IPDVD in almost 100% of cases, normalization of gas exchange and improves survival with a 5-year post-LT survival between 76 and 87%. It is the only curative treatment, indicated in patients with severe HPS, defined by an arterial partial pressure of oxygen (PaO2) below 60mmHg. When LT is not indicated or feasible, long-term oxygen therapy may be proposed as a palliative treatment. A better understanding of the pathophysiological mechanisms is needed to improve the therapeutic possibilities in a near future.
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Affiliation(s)
- A Sayadi
- UMR-S 1193, hôpital Paul-Brousse, centre hépato-biliaire, université Paris-Saclay, AP-HP, 94800 Villejuif, France
| | - L Duhaut
- UMR-S 1193, hôpital Paul-Brousse, centre hépato-biliaire, université Paris-Saclay, AP-HP, 94800 Villejuif, France
| | - F Robert
- Inserm UMR_S 999, 94270 Le Kremlin-Bicêtre, France
| | - L Savale
- Inserm UMR_S 999, 94270 Le Kremlin-Bicêtre, France; Service de pneumologie, hôpital Bicêtre, université Paris-Saclay, AP-HP, 94270 Le Kremlin-Bicêtre, France
| | - A Coilly
- UMR-S 1193, hôpital Paul-Brousse, centre hépato-biliaire, université Paris-Saclay, AP-HP, 94800 Villejuif, France.
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11
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Ours CA, Buser A, Hodges MB, Chen MY, Sapp JC, Gochuico BR, Biesecker LG. Quantification of Proteus syndrome-associated lung disease. Orphanet J Rare Dis 2024; 19:44. [PMID: 38321508 PMCID: PMC10848554 DOI: 10.1186/s13023-023-03013-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 12/20/2023] [Indexed: 02/08/2024] Open
Abstract
BACKGROUND Proteus syndrome is an ultra-rare mosaic overgrowth disorder. Individuals with Proteus syndrome can develop emphysematous and cystic changes of the lung that may lead to progressive respiratory symptoms and require surgical intervention. This retrospective study seeks to quantify the radiographic features of Proteus syndrome-associated lung disease using computed tomography (CT) of the chest. The first method derives a Cystic Lung Score (CLS) by using a computer-aided diagnostic tool to quantify the fraction of cystic involvement of the lung. The second method yields a Clinician Visual Score (CVS), an observer reported scale of severity based on multiple radiographic features. The aim of this study was to determine if these measurements are associated with clinical symptoms, pulmonary function test (PFT) measurements, and if they may be used to assess progression of pulmonary disease. RESULTS One hundred and thirteen imaging studies from 44 individuals with Proteus syndrome were included. Dyspnea and oxygen use were each associated with higher CLS (p = 0.001 and < 0.001, respectively) and higher CVS (p < 0.001 and < 0.001). Decreases in percent predicted FVC, FEV1, and DLCO each correlated with increased CLS and CVS. The annual increase of CLS in children, 5.6, was significantly greater than in adults, 1.6. (p = 0.03). The annual increase in CVS in children, 0.4, was similar to adults, 0.2 (p = 0.36). CONCLUSIONS Proteus syndrome-associated lung disease is progressive. The rate of cystic progression is increased in children. Increased scores in CLS and CVS were associated with clinical symptoms and decreased pulmonary function. Both methods were able to detect change over time and were associated with clinically meaningful outcomes which may enable their use in interventional studies.
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Affiliation(s)
- Christopher A Ours
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, 20892, USA.
| | - Anna Buser
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Mia B Hodges
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Marcus Y Chen
- Section of Inflammation and Cardiovascular Diseases, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Julie C Sapp
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Bernadette R Gochuico
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Leslie G Biesecker
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, 20892, USA
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12
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Neuböck MJ, Günther G, Barac A, Davidsen JR, Laursen CB, Agarwal R, Sehgal IS, Lange C, Salzer HJF. Chronic Pulmonary Aspergillosis as a Considerable Complication in Post-Tuberculosis Lung Disease. Semin Respir Crit Care Med 2024; 45:102-113. [PMID: 38196060 DOI: 10.1055/s-0043-1776913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
Post-tuberculosis lung disease (PTLD) has only recently been put in the spotlight as a medical entity. Recent data suggest that up to 50% of tuberculosis (TB) patients are left with PTLD-related impairment after completion of TB treatment. The presence of residual cavities in the lung is the largest risk factor for the development of chronic pulmonary aspergillosis (CPA) globally. Diagnosis of CPA is based on four criteria including a typical radiological pattern, evidence of Aspergillus species, exclusion of alternative diagnosis, and a chronic course of disease. In this manuscript, we provide a narrative review on CPA as a serious complication for patients with PTLD.
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Affiliation(s)
- Matthias J Neuböck
- Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine 4 - Pneumology, Kepler University Hospital, Linz, Austria
- Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Gunar Günther
- Department of Pulmonology and Allergology, Inselspital, Bern University Hospital, Bern, Switzerland
- Department of Medical Sciences, Faculty of Health Sciences, University of Namibia, Windhoek, Namibia
| | - Aleksandra Barac
- Clinic for Infectious and Tropical Diseases, University Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Jesper R Davidsen
- Department of Respiratory Medicine, Pulmonary Aspergillosis Centre Denmark, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, Odense Respiratory Research Unit, University of Southern Denmark, Odense, Denmark
| | - Christian B Laursen
- Department of Respiratory Medicine, Pulmonary Aspergillosis Centre Denmark, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, Odense Respiratory Research Unit, University of Southern Denmark, Odense, Denmark
| | - Ritesh Agarwal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Inderpaul S Sehgal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Christoph Lange
- Division of Clinical Infectious Diseases, Research Center Borstel, Borstel, Germany
- German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Hamburg, Germany
- Respiratory Medicine and International Health, University of Lübeck, Lübeck, Germany
- Baylor College of Medicine and Texas Children's Hospital, Global Tuberculosis Program, Houston, Texas
| | - Helmut J F Salzer
- Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine 4 - Pneumology, Kepler University Hospital, Linz, Austria
- Medical Faculty, Johannes Kepler University Linz, Linz, Austria
- Ignaz-Semmelweis-Institute, Interuniversity Institute for Infection Research, Vienna, Austria
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13
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Marino FR, Chen X, Deal JA, Simonsick EM, Ferrucci L, Schrack JA, Wanigatunga AA. Perceived Fatigability, Fatigue, and Mortality in Mid-to-Late Life in the Baltimore Longitudinal Study of Aging. Med Sci Sports Exerc 2024; 56:307-314. [PMID: 37847074 PMCID: PMC10843450 DOI: 10.1249/mss.0000000000003306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
INTRODUCTION/PURPOSE Fatigue is an established prognostic indicator of mortality risk. It remains unknown whether fatigability anchored to a physical task is a more sensitive prognostic indicator and whether sensitivity differs by prevalent chronic conditions. METHODS A total of 1076 physically well-functioning participants 50 yr or older in the Baltimore Longitudinal Study of Aging self-reported fatigue (unusual tiredness or low energy) and had perceived fatigability assessed after a standardized treadmill walk. All-cause mortality was ascertained by proxy contact and National Death Index linkage. Cox proportional hazards models estimated associations of perceived fatigability and fatigue with all-cause mortality, adjusting for demographic and clinical covariates. Interactions by chronic conditions were also examined. RESULTS Each 1 SD higher in perceived fatigability, unusual tiredness, or low energy was associated with a higher relative hazard of all-cause mortality after covariate adjustment (fatigability: hazard ratio (HR), 1.18 (95% confidence interval (CI), 1.03-1.36); unusual tiredness: HR, 1.25 (95% CI, 1.08-1.44); low energy: HR, 1.27 (95% CI, 1.10-1.46)). Models had similar discrimination ( P > 0.14 for all). Perceived fatigability was associated with mortality risk among participants free of arthritis or osteoarthritis who otherwise appeared healthy (no arthritis: HR, 1.45 (95% CI, 1.15-1.84); arthritis: HR, 1.09 (95% CI, 0.92-1.30); P -interaction = 0.031). Unusual tiredness was associated with mortality among those with a history of diabetes (no diabetes: HR, 1.16 (95% CI, 0.97-1.38); diabetes: HR, 1.65 (95% CI, 1.22-2.23); P -interaction = 0.045) or pulmonary disease (no pulmonary disease: HR, 1.22 (95% CI, 1.05-1.43); pulmonary disease: HR, 2.15 (95% CI, 1.15-4.03); P -interaction = 0.034). CONCLUSIONS Higher perceived fatigability and fatigue symptoms were similarly associated with higher all-cause mortality, but utility differed by chronic condition. Perceived fatigability might be useful for health screening and long-term mortality risk assessment for well-functioning adults. Alternatively, self-reported fatigue seems more disease-specific with regard to mortality risk.
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Affiliation(s)
- Francesca R. Marino
- Department of Epidemiology, Johns Hopkins Bloomberg School
of Public Health, Baltimore, MD
| | - Xiaomeng Chen
- Department of Epidemiology, University of North Carolina at
Chapel Hill Gillings School of Global Public Health, Chapel Hill, NC
| | - Jennifer A. Deal
- Department of Epidemiology, Johns Hopkins Bloomberg School
of Public Health, Baltimore, MD
- Cochlear Center for Hearing and Public Health, Johns
Hopkins Bloomberg School of Public Health, Baltimore, MD
| | | | - Luigi Ferrucci
- Intramural Research Program, National Institute on Aging,
Baltimore, MD
| | - Jennifer A. Schrack
- Department of Epidemiology, Johns Hopkins Bloomberg School
of Public Health, Baltimore, MD
- Center on Aging & Health, Johns Hopkins Bloomberg
School of Public Health, Baltimore, MD
| | - Amal A. Wanigatunga
- Department of Epidemiology, Johns Hopkins Bloomberg School
of Public Health, Baltimore, MD
- Center on Aging & Health, Johns Hopkins Bloomberg
School of Public Health, Baltimore, MD
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14
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Jirmo AC, Albrecht M, Crnkovic S, Alejandre Alcazar MA. Editorial: Cellular and systemic interplay of metabolism and inflammation in the pathogenesis of lung diseases. Front Immunol 2024; 14:1352304. [PMID: 38299152 PMCID: PMC10827871 DOI: 10.3389/fimmu.2023.1352304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 02/02/2024] Open
Affiliation(s)
- Adan Chari Jirmo
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany
- German Center for Lung Research (DZL), Hannover, Germany
| | | | - Slaven Crnkovic
- Ludwig Boltzmann Institute (LBI) for Lung and Vascular Research, Otto Loewi Research Center Medical University of Graz, Graz, Austria
| | - Miguel Angel Alejandre Alcazar
- Department of Pediatric and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD) and Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- German Center for Lung Research (DZL), Institute for Lung Health (ILH), University of Giessen and Marburg Lung Center (UGMLC) and Cardiopulmonary Institute (CPI), Marburg, Germany
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15
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Ota T, Suzuki H, Kawabata Y, Hino T, Yanagawa N. Polyclonal Hyperglobulinemia with Multiple Pulmonary Cysts and Nodules: Concerning the Mechanism Underlying Cyst Formation. Intern Med 2024; 63:277-282. [PMID: 37225481 PMCID: PMC10864062 DOI: 10.2169/internalmedicine.1875-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 04/04/2023] [Indexed: 05/26/2023] Open
Abstract
We herein report a case of polyclonal hyperglobulinemia with multiple pulmonary cysts and nodules. The histopathological findings allowed us to speculate about the mechanism underlying cyst formation in these pathological conditions, which has not yet been thoroughly elucidated. The patient was a 49-year-old woman who presented with multiple pulmonary multilocular cysts and nodules. A lung biopsy revealed features of nodular lymphoid hyperplasia. Notably, lung structure fragmentation was evident, suggesting that structural destruction may have accompanied the disease during its course. The cysts were considered to have formed due to destruction of the lung structures.
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Affiliation(s)
- Takahito Ota
- Department of Respiratory Medicine, Yamagata Prefectual Central Hospital, Japan
| | - Hiroki Suzuki
- Department of Respiratory Medicine, Yamagata Prefectual Central Hospital, Japan
| | - Yoshinori Kawabata
- Division of Diagnostic Pathology, Saitama Cardiovascular and Respiratory Center, Japan
| | - Toshihiko Hino
- Department of Respiratory Medicine, Yamagata Prefectual Central Hospital, Japan
| | - Naoki Yanagawa
- Department of Diagnostic Pathology, Yamagata Prefectural Central Hospital, Japan
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16
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Yang Y, Ma J, Peng Z, Zhou X, Du N, Zhang W, Yan Z. Pneumothorax and pulmonary hemorrhage after C-arm cone-beam computed tomography-guided percutaneous transthoracic lung biopsy: incidence, clinical significance, and correlation. BMC Pulm Med 2024; 24:33. [PMID: 38218792 PMCID: PMC10787482 DOI: 10.1186/s12890-023-02822-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 12/19/2023] [Indexed: 01/15/2024] Open
Abstract
OBJECTIVE This study aimed to assess the incidence and clinical significance of pneumothorax (PTX) and pulmonary hemorrhage (PH) after percutaneous transthoracic lung biopsy (PTLB) guided by C-arm cone-beam computed tomography (CBCT). Furthermore, this study aimed to examine the relationships between PTX and PH with demographics, clinical characteristics, imaging, and PTLB parameters. METHODS A retrospective analysis was conducted on 192 patients who underwent PTLB at our hospital between January 2019 and October 2022. Incidences of PTX and PH were recorded. PTX was considered clinically significant if treated with chest tube insertion (CTI), and PH if treated with bronchoscopes or endovascular treatments. The various factors on PTX and PH were analyzed using the Chi-squared test and Student t-test. Logistic regression analyses were then used to determine these factors on the correlation to develop PTX and PH. RESULTS PTX occurred in 67/192 cases (34.9%); CTI was required in 5/67 (7.5%). PH occurred in 63/192 cases (32.8%) and none of these cases required bronchoscopes or endovascular treatments. Lesion diameter (ORPTX = 0.822; ORPH = 0.785), presence of pulmonary emphysema (ORPH = 2.148), the number of samples (ORPH = 1.834), the use of gelfoam (ORPTX = 0.474; ORPH = 0.341) and ablation (ORPTX = 2.351; ORPH = 3.443) showed statistically significant correlation to PTX and PH. CONCLUSIONS CBCT-guided PTLB is a safe and effective method for performing lung biopsies. The use of gelfoam has been shown to reduce the occurrence of PTX and PH. However, caution should be exercised when combining radiofrequency ablation with PTLB, as it may increase the risk of PTX and PH.
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Affiliation(s)
- Yanjie Yang
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Medical Imaging, Shanghai, China
| | - Jingqin Ma
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Medical Imaging, Shanghai, China
| | - Zhijie Peng
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Medical Imaging, Shanghai, China
| | - Xin Zhou
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Medical Imaging, Shanghai, China
| | - Nan Du
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Medical Imaging, Shanghai, China
| | - Wen Zhang
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China.
- Shanghai Institute of Medical Imaging, Shanghai, China.
| | - Zhiping Yan
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China.
- Shanghai Institute of Medical Imaging, Shanghai, China.
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17
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Ahmadian D, Gleadhill CM, Wehbi N, Bixby BA, Yip HT. Predictors of response to endoscopic management of subglottic/tracheal stenosis in patients without tracheostomy. Am J Otolaryngol 2024; 45:104055. [PMID: 37837843 DOI: 10.1016/j.amjoto.2023.104055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/12/2023] [Indexed: 10/16/2023]
Abstract
INTRODUCTION Subglottic and tracheal stenosis (SGTS) in adults is an acquired or idiopathic condition that can lead to dyspnea, and even life-threatening airway obstruction. Endoscopic techniques have advanced and largely eclipsed open surgery, with open surgery now reserved for refractory cases (Hseu et al., 2013; Feinstein et al., 2017). Currently, there is no accepted guideline for the endoscopic treatment of SGTS. Thus, the aim of the present study is to examine the impact of various clinical and pathological characteristics on outcomes to endoscopic treatment in a cohort of SGTS patients. DISCLOSURE None of the authors have any financial or personal relationship that could cause a conflict of interest regarding this article. METHODS Retrospective chart review was performed for 41 patients presenting with SGS without a tracheostomy over a 4-year-period (2018-2022), within a single tertiary care center. Quantitative outcomes including number of dilation procedures undergone and need for open procedures were examined. The qualitative variables included a history of pulmonary disease, prior tracheostomy/tracheal resection, presence of tracheomalacia, granulation tissue, excessive dynamic airway collapse (EDAC), and etiology of idiopathic subglottic stenosis. RESULTS The presence of granulation tissue seen on tracheoscopy was associated with a higher number (4+) of dilation procedures (p = 0.01). A history of pulmonary disease (p = 0.037), the presence of tracheomalacia (p = 0.039), and the presence of granulation tissue (0.003) were all associated with a need for open procedures. CONCLUSION Patients with the presence of granulation tissue, tracheomalacia, and a history of pulmonary disease were more associated with more severe disease requiring either a higher number of endoscopic procedures or need for open procedures.
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Affiliation(s)
- David Ahmadian
- University of Arizona, College of Medicine - Tucson, United States of America.
| | - Claire M Gleadhill
- University of Arizona, College of Medicine - Tucson, Department of Otolaryngology, United States of America
| | - Nader Wehbi
- University of Arizona, College of Medicine - Phoenix, United States of America
| | - Billie A Bixby
- University of Arizona, College of Medicine - Tucson, Department of Medicine, United States of America
| | - Helena T Yip
- University of Arizona, College of Medicine - Tucson, Department of Otolaryngology, United States of America
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Kono M, Oshima Y, Katsumata M, Hirama R, Takeda K, Mochizuka Y, Tsutsumi A, Miwa H, Miki Y, Hashimoto D, Otsuki Y, Suda T, Nakamura H. An Adult Case of Idiopathic Pulmonary Hemosiderosis Associated with Pulmonary Fibrosis and Emphysematous Change. Intern Med 2024; 63:119-124. [PMID: 37225487 PMCID: PMC10824645 DOI: 10.2169/internalmedicine.1663-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 04/11/2023] [Indexed: 05/26/2023] Open
Abstract
A 48-year-old woman was admitted to our hospital with acute respiratory failure. Chest computed tomography showed ground-glass opacity and patchy emphysematous lesions in both lungs. Corticosteroid therapy was effective; however, the disease worsened with the tapering of corticosteroids. Bronchoalveolar lavage revealed hemosiderin-laden macrophages, and video-assisted thoracic surgery showed diffuse interstitial fibrosis with diffuse alveolar hemorrhage (DAH). There was no evidence of vasculitis nor autoimmune diseases. This patient was diagnosed with idiopathic pulmonary hemosiderosis (IPH) that progressed to end-stage pulmonary fibrosis despite treatment. Autopsy demonstrated DAH with pulmonary fibrosis and emphysematous change, suggesting IPH-related pulmonary lesions.
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Affiliation(s)
- Masato Kono
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Yuiko Oshima
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Megumi Katsumata
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Ryutaro Hirama
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Kenichiro Takeda
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Yasutaka Mochizuka
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Akari Tsutsumi
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Hideki Miwa
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Yoshihiro Miki
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Dai Hashimoto
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
| | - Yoshiro Otsuki
- Department of Pathology, Seirei Hamamatsu General Hospital, Japan
| | - Takafumi Suda
- Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Japan
| | - Hidenori Nakamura
- Department of Respiratory Medicine, Seirei Hamamatsu General Hospital, Japan
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19
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Xu L, Yang R, Cao Y, Wang M, Yang X. Risk factors of diffuse alveolar hemorrhage in Chinese patients with systemic lupus erythematosus. Sci Rep 2023; 13:22381. [PMID: 38104153 PMCID: PMC10725482 DOI: 10.1038/s41598-023-49978-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 12/14/2023] [Indexed: 12/19/2023] Open
Abstract
This study aimed to investigate the frequency and features of diffuse alveolar hemorrhage (DAH) in Chinese patients with systemic lupus erythematosus (SLE) and evaluate the association of DAH with the features. A total of 943 patients with SLE were categorized into two groups: 896 patients without DAH and 47 patients with DAH. The demographic data, clinical and laboratory findings, and SLE disease activity index 2000 of all patients were statistically analyzed. The DAH frequency in patients with SLE was 4.98%, and the mortality rate of DAH was 42.55%. The clinical features with statistical differences between the two groups were analyzed by multivariate logistic regression, and the results suggested that shorter disease duration [odds ratio (OR): 0.972, 95% confidence interval (CI) 0.946, 0.998], younger age (OR: 0.867, 95% CI 0.764, 0.984), moderate (OR: 25.949, 95% CI 3.316, 203.065) or severe (OR: 24.904, 95% CI 2.675, 231.859) anemia, abnormally elevated levels of urine protein (OR: 10.839, 95% CI 1.351, 86.938) and serum creatinine (OR: 14.534, 95% CI 5.012, 42.142), interstitial lung disease (OR: 6.569, 95% CI 2.053, 21.021), and infection (OR: 8.890, 95% CI 3.580, 22.077) were independent risk factors for the occurrence of DAH in patients with SLE. Moderate or severe anemia was highly suggestive of DAH.
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Affiliation(s)
- Lishan Xu
- Department of Rheumatology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Rong Yang
- Follow-Up Center, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yingping Cao
- Department of Laboratory Medicine, Fujian Medical University Union Hospital, Fuzhou, China
| | - Meihua Wang
- Department of Laboratory Medicine, Fujian Medical University Union Hospital, Fuzhou, China.
| | - Xuwei Yang
- Department of Rheumatology, Fujian Medical University Union Hospital, Fuzhou, China.
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20
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Tastekin F, Kerim D, Sen S, Kabasakal Y. Coexistence of Sjögren's syndrome and pulmonary nodular amyloidosis. Int J Rheum Dis 2023; 26:2563-2566. [PMID: 37294068 DOI: 10.1111/1756-185x.14753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/09/2023] [Accepted: 05/14/2023] [Indexed: 06/10/2023]
Abstract
There are very few cases in the literature on the coexistence of Sjögren's syndrome and pulmonary nodular amyloidosis being treated with rituximab. When nodules with central calcification and cystic lesions are seen on computed tomography, amyloid lung should be considered. Biopsy is recommended as it can be confused with malignancies. In this article, we present a 66-year-old female patient who has been followed up for Sjögren's syndrome for 26 years. Multiple cystic lesions with central calcification in the lung were detected and it was evaluated as amyloid nodule in the biopsy performed. The patient is being followed and is stable under rituximab treatment. Pulmonary noduler amyloidosis is very rare in Sjögren patients and there are very few cases where rituximab is used for treatment. We decided to publish in order to guide clinicians who will encounter similar cases.
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Affiliation(s)
- Fatih Tastekin
- Department of Internal Medicine, Division of Rheumatology, Ege University Faculty of Medicine, Izmir, Turkey
| | - Duygu Kerim
- Department of Internal Medicine, Division of Rheumatology, Ege University Faculty of Medicine, Izmir, Turkey
| | - Sait Sen
- Department of Pathology, Ege University Faculty of Medicine, Izmir, Turkey
| | - Yasemin Kabasakal
- Department of Internal Medicine, Division of Rheumatology, Ege University Faculty of Medicine, Izmir, Turkey
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21
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Koo CW, Frota Lima LM, Kerper A, Lo YC. Anatomic Approach to Common and Uncommon Manifestations of Thoracic Leukemias with Radiologic-Pathologic Correlation. Radiol Cardiothorac Imaging 2023; 5:e230151. [PMID: 38166347 DOI: 10.1148/ryct.230151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Leukemias are hematopoietic malignancies characterized by the production of abnormal leukocytes in the bone marrow. Clinical manifestations arise from either bone marrow suppression or leukemic organ infiltration. Lymphadenopathy is the most common direct manifestation of intrathoracic leukemia. However, leukemic cells may also infiltrate the lungs, pleura, heart, bones, and soft tissues. Pulmonary complications in patients with leukemia typically include pneumonia, hemorrhage, pulmonary edema, and sequelae of leukemia treatment. However, pulmonary abnormalities can also be related directly to leukemia, including leukemic pulmonary infiltration. The direct, non-treatment-related effects of leukemia on intrathoracic structures will be the focus of this imaging essay. Given the typical anatomic approach for image interpretation, an organ-based depiction of common and less common intrathoracic findings directly caused by leukemic involvement is presented, emphasizing imaging findings with pathologic correlations. Keywords: Leukemia, Pulmonary, Thorax, Soft Tissues/Skin, Hematologic, Bone Marrow © RSNA, 2023.
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Affiliation(s)
- Chi Wan Koo
- From the Department of Radiology (C.W.K., L.M.F.L.) and Department of Laboratory Medicine and Pathology (A.K., Y.C.L.), Mayo Clinic, 200 First St SW, Rochester, MN 55905
| | - Livia Maria Frota Lima
- From the Department of Radiology (C.W.K., L.M.F.L.) and Department of Laboratory Medicine and Pathology (A.K., Y.C.L.), Mayo Clinic, 200 First St SW, Rochester, MN 55905
| | - Allison Kerper
- From the Department of Radiology (C.W.K., L.M.F.L.) and Department of Laboratory Medicine and Pathology (A.K., Y.C.L.), Mayo Clinic, 200 First St SW, Rochester, MN 55905
| | - Ying-Chun Lo
- From the Department of Radiology (C.W.K., L.M.F.L.) and Department of Laboratory Medicine and Pathology (A.K., Y.C.L.), Mayo Clinic, 200 First St SW, Rochester, MN 55905
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22
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Singh A, Coblentz A, Hadian F, Chami R, Traubici B, Manson DE. Subpleural pulmonary cysts in children: Associations beyond Trisomy 21. Pediatr Pulmonol 2023; 58:3498-3506. [PMID: 37772667 DOI: 10.1002/ppul.26680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/27/2023] [Accepted: 08/10/2023] [Indexed: 09/30/2023]
Abstract
BACKGROUND Small air-filled peripheral subpleural cysts are a well-described feature of pulmonary anatomy at computerized tomographic (CT) scan in children with Trisomy 21, yet only anecdotally described in association with other pathologies. The significance of these cysts is unknown. OBJECTIVE To investigate and explore the pathogenesis of these subpleural cysts in children. MATERIALS AND METHODS A retrospective review of 16 cases with subpleural cysts diagnosed on CT chest was performed. The distribution, location, and ancillary CT findings were recorded. Hospital charts were reviewed for clinical details, especially cardiac abnormalities, pulmonary artery hypertension (PAH) and genetic associations. Histopathological and clinical correlative data were recorded. RESULTS Eleven of the 16 children (69%) were found to have an underlying chromosomal or genetic abnormality, six of whom had Trisomy 21. The remaining 5 of the 16 cases (21%) had miscellaneous disorders without an identifiable genetic basis. The most common co-morbidities were cardiac abnormalities (81%) and PAH (62.5%). Regardless of their underlying etiologies, the cysts were present bilaterally in most cases (14/16, 88%). We observed both the postnatal development and the progression of cysts in our cohort. On long-term follow-up, there were five deaths (31%) and six cases (38%) requiring maintenance oxygen therapy due to chronic hypoxia. Two cases (12.5%) became completely asymptomatic after correction of their underlying abnormalities. CONCLUSION Subpleural cysts are not exclusive to Trisomy 21 and may be seen in other inherited or acquired causes, likely due to altered alveolar growth. We suspect these cysts are a sign of an underlying developmental disorder with variable clinical effect, especially in children with congenital cardiac disease.
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Affiliation(s)
- Anuradha Singh
- Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Ailish Coblentz
- Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Fatemeh Hadian
- Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Rose Chami
- Department of Pathology, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Ben Traubici
- Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario, Canada
| | - David E Manson
- Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario, Canada
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Baran Ketencioğlu B, Hastekkeşin M, Yetkin NA, Tutar N. Diffuse alveolar hemorrhage following inhaled sevoflurane: A rare complication of inhalational anesthesia. Tuberk Toraks 2023; 71:428-432. [PMID: 38152013 DOI: 10.5578/tt.20239611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023] Open
Abstract
Sevoflurane is a commonly used inhalational anesthetic agent for inducing and maintaining general anesthesia. However, it has been associated with a rare but serious pulmonary condition known as diffuse alveolar hemorrhage (DAH). DAH is characterized by decreased hemoglobin levels, diffuse pulmonary infiltration, and respiratory failure with hypoxemia. We present a case of DAH in a healthy young adult who experienced this condition following general anesthesia with inhaled sevoflurane during an uncomplicated orthopedic procedure. Notably, there were no other risk factors or known causes that could account for the development of DAH in this patient.
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Affiliation(s)
| | - Meliha Hastekkeşin
- Department of Chest Diseases, Erciyes University Faculty of Medicine, Kayseri, Türkiye
| | - Nur Aleyna Yetkin
- Department of Chest Diseases, Erciyes University Faculty of Medicine, Kayseri, Türkiye
| | - Nuri Tutar
- Department of Chest Diseases, Erciyes University Faculty of Medicine, Kayseri, Türkiye
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McShane PJ. Investigation and Management of Bronchiectasis in Nontuberculous Mycobacterial Pulmonary Disease. Clin Chest Med 2023; 44:731-742. [PMID: 37890912 DOI: 10.1016/j.ccm.2023.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2023]
Abstract
Patients with nontuberculous mycobacterial (NTM) lung infection require life-long attention to their bronchiectasis, whether or not their NTM infection has been cured. The identification of the cause of bronchiectasis and/or coexisting diseases is important because it may affect therapeutic strategies. Airway clearance is the mainstay of bronchiectasis management. It can include multiple breathing techniques, devices, and mucoactive agents. The exact airway clearance regimen should be customized to each individual patient. Chronic pathogenic airway bacteria, such as Pseudomonas aeruginosa, may warrant consideration of eradication therapy and/or chronic use of maintenance inhaled antibiotics.
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Affiliation(s)
- Pamela J McShane
- Department of Medicine, University of Texas Health Science Center at Tyler, 11937 Hwy 271, Tyler, TX 75708, USA.
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Yan X, Kaminski N. Somatic Mutations: The Next Frontier in Demystifying Chronic Obstructive Pulmonary Disease and Idiopathic Pulmonary Fibrosis? Am J Respir Crit Care Med 2023; 208:1150-1151. [PMID: 37856835 PMCID: PMC10868359 DOI: 10.1164/rccm.202310-1774ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 10/19/2023] [Indexed: 10/21/2023] Open
Affiliation(s)
- Xiting Yan
- Department of Internal Medicine Yale University School of Medicine New Haven, Connecticut
| | - Naftali Kaminski
- Department of Internal Medicine Yale University School of Medicine New Haven, Connecticut
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26
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Conreur C, Coureau M, Grimaldi D, Simonet O, Vallot F, Ndjekembo Shango D. A 16-year-old man with leptospirosis and atypical disseminated intravascular coagulation: a case report. J Med Case Rep 2023; 17:493. [PMID: 38008733 PMCID: PMC10680241 DOI: 10.1186/s13256-023-04239-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 10/31/2023] [Indexed: 11/28/2023] Open
Abstract
BACKGROUND Leptospirosis is known for its pulmonary form characterized by intra-alveolar hemorrhage, exhibiting a high mortality rate. Management by venous-venous extracorporeal membrane oxygenation has been reported in a small number of cases. CASE PRESENTATION We report herein the case of a 16-year-old Caucasian male who was admitted with rapidly deteriorating respiratory and digestive complaints. He developed severe acute respiratory distress syndrome secondary to disseminated intravascular coagulation and intra-alveolar hemorrhage, requiring initiation of venous-venous extracorporeal membrane oxygenation. Initial infectious and immunological assessments were inconclusive, but repeat serology on the tenth day of admission confirmed a diagnosis of leptospirosis. The patient received multiple transfusions, and upon favorable response to treatment with corticosteroids and antibiotics, he was successfully weaned off venous-venous extracorporeal membrane oxygenation, which was discontinued after 12 days. CONCLUSION Leptospirosis is a rare cause of severe acute respiratory failure following pulmonary hemorrhage. It is typically diagnosed by serology, with detectable IgM antibodies 5-7 days after the onset of symptoms. We report that early support with respiratory extracorporeal membrane oxygenation favors timely clearance of endobronchial clotting, parenchymal recovery, and prevention of ventilator-induced lung injury. Major hypofibrinogenemia, which did not seem to worsen during extracorporeal membrane oxygenation application, was managed by repeated transfusions. Further studies investigating the pathogenesis of this coagulopathy are required to further optimize the management of this rare and severe complication.
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Affiliation(s)
- Charlotte Conreur
- Department of Intensive Care, Centre Hospitalier de Wallonie Picarde, Rue des Sports, 51, 7500, Tournai, Belgium.
| | - Michelle Coureau
- Department of Intensive Care, Erasme Hospital, Route de Lennik, 808, 1700, Brussels, Belgium
| | - David Grimaldi
- Department of Intensive Care, Erasme Hospital, Route de Lennik, 808, 1700, Brussels, Belgium
| | - Olivier Simonet
- Department of Intensive Care, Centre Hospitalier de Wallonie Picarde, Rue des Sports, 51, 7500, Tournai, Belgium
| | - Frédéric Vallot
- Department of Intensive Care, Centre Hospitalier de Wallonie Picarde, Rue des Sports, 51, 7500, Tournai, Belgium
| | - Didier Ndjekembo Shango
- Department of Intensive Care, Centre Hospitalier de Wallonie Picarde, Rue des Sports, 51, 7500, Tournai, Belgium
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Feng Y, Guo J, Luo S, Zhang Z. A case-control study on the risk factors associated with the occurrence of non-tuberculous mycobacteria pulmonary disease in bronchiectasis patients. BMC Pulm Med 2023; 23:451. [PMID: 37986162 PMCID: PMC10662920 DOI: 10.1186/s12890-023-02768-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/16/2023] [Indexed: 11/22/2023] Open
Abstract
OBJECTIVE The objective of this study is to analyze the risk factors associated with bronchiectasis combined with non-tuberculous mycobacteria pulmonary disease(NTM-PD) and provide a basis for more effective prevention and treatment strategies. METHODS The study subjects for this manuscript were patients with bronchiectasis who were admitted to the infection department between January 2021 and June 2023.There were 34 patients with NTM-PD in the observation group, and 52 patients with simple bronchiectasis in the control group. Basic information, imaging features, serum albumin levels, and infection indicators were collected from both groups of patients.Univariate and multivariate logistic regression analysis were performed to analyze the risk factors for NTM-PD in patients with bronchiectasis. RESULTS Multivariate logistic regression analysis revealed that bronchiectasis exacerbation occurring at least twice a year(OR = 3.884, 95% CI: 1.200-12.568), involvement of three or more lung lobes with bronchiectasis (OR = 3.932, 95% CI: 1.208-12.800), hypoalbuminemia (OR = 3.221, 95% CI: 1.015-10.219), and the NLR index (OR = 1.595, 95% CI: 1.200-2.119) were significant risk factors for non-tuberculous mycobacteria pulmonary disease in individuals with bronchiectasis (P < 0.05). CONCLUSION Patients with bronchiectasis accompanied by NTM-PD present specific risk factors that should be promptly addressed through prevention and treatment.
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Affiliation(s)
- Yinping Feng
- Department of infectious diseases, Lishui Hospital of traditional Chinese Medicine Affiliated to Zhejiang University of traditional Chinese Medicine, Lishui, 323000, China
| | - Jing Guo
- Department of infectious diseases, Lishui Hospital of traditional Chinese Medicine Affiliated to Zhejiang University of traditional Chinese Medicine, Lishui, 323000, China
| | - Shuirong Luo
- Department of infectious diseases, Lishui Hospital of traditional Chinese Medicine Affiliated to Zhejiang University of traditional Chinese Medicine, Lishui, 323000, China
| | - Zunjing Zhang
- Department of infectious diseases, Lishui Hospital of traditional Chinese Medicine Affiliated to Zhejiang University of traditional Chinese Medicine, Lishui, 323000, China.
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Maruguchi N, Tanaka E, Okagaki N, Tanaka Y, Sakamoto H, Takeda A, Yamamoto R, Nakamura S, Matsumura K, Ueyama M, Ikegami N, Kaji Y, Hashimoto S, Hajiro T, Taguchi Y. Clinical Impact of Chronic Pulmonary Aspergillosis in Patients with Nontuberculous Mycobacterial Pulmonary Disease and Role of Computed Tomography in the Diagnosis. Intern Med 2023; 62:3291-3298. [PMID: 36927976 DOI: 10.2169/internalmedicine.0836-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/15/2023] Open
Abstract
Objective Chronic pulmonary aspergillosis (CPA) is an important complication of nontuberculous mycobacterial pulmonary disease (NTM-PD). However, its diagnosis is challenging, as both CPA and NTM-PD present as chronic cavitary disease. The present study evaluated the impact of CPA on the survival of patients with NTM-PD and revealed the key computed tomography findings for a prompt diagnosis. Methods We retrospectively reviewed patients newly diagnosed with NTM-PD in Tenri Hospital (Tenri City, Nara Prefecture, Japan) between January 2009 and March 2018; the patients were followed up until May 2021. Clinical and radiological characteristics were assessed, and patients with CPA were identified. Results A total of 611 patients were diagnosed with NTM-PD. Among them, 38 (6.2%), 102 (17%), and 471 (77%) patients were diagnosed with NTM-PD with CPA, cavitary NTM-PD without CPA, and non-cavitary NTM-PD without CPA, respectively. The 5-year survival rate of the NTM-PD with CPA group (42.8%; 95% confidence interval: 28.7-64.0%) was lower than that of the cavitary NTM-PD without CPA group (74.4%; 95% confidence interval: 65.4-84.6%). A multivariate analysis revealed that fungal balls and cavities with adjacent extrapleural fat were significant predictive factors for NTM-PD with CPA. Conclusion NTM-PD with CPA patients exhibited a worse prognosis than cavitary NTM-PD without CPA patients. Therefore, an unerring diagnosis of CPA is essential for managing patients with NTM-PD. Computed tomography findings, such as fungal balls and cavities with adjacent extrapleural fat, may be valuable diagnostic clues when CPA is suspected in patients with NTM-PD.
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Affiliation(s)
| | - Eisaku Tanaka
- Department of Respiratory Medicine, Tenri Hospital, Japan
| | | | - Yuma Tanaka
- Department of Respiratory Medicine, Tenri Hospital, Japan
| | | | - Atsushi Takeda
- Department of Respiratory Medicine, Tenri Hospital, Japan
| | - Ryo Yamamoto
- Department of Respiratory Medicine, Tenri Hospital, Japan
| | | | | | | | - Naoya Ikegami
- Department of Respiratory Medicine, Tenri Hospital, Japan
| | - Yusuke Kaji
- Department of Respiratory Medicine, Tenri Hospital, Japan
| | | | - Takashi Hajiro
- Department of Respiratory Medicine, Tenri Hospital, Japan
| | - Yoshio Taguchi
- Department of Respiratory Medicine, Tenri Hospital, Japan
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Daher A, Klose H. [Pathophysiology, diagnosis, prognosis and treatment of pulmonary hypertension associated with chronic lung disease]. Dtsch Med Wochenschr 2023; 148:1507-1513. [PMID: 37949079 DOI: 10.1055/a-2012-0856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
The pathophysiology of pulmonary hypertension associated with chronic lung disease (PH-CLD) is complex, multifactorial, and not consistent among pulmonary diseases. However, pulmonary vasculopathy triggered by various factors, such as chronic alveolar hypoxia or cigarette smoking, seems to play a central role in the pathogenesis of PH-CLD. While the initial workup of PH-CLD is usually complicated by an overlap of symptoms of PH and the underlying lung disease, PH-CLD should be considered when there is a discrepancy between symptoms (especially exertional dyspnea) and pulmonary function tests. Clinical suspicion of PH-CLD can be strengthened by noninvasive diagnostic tools such as transthoracic echocardiography (TTE) or N-terminal pro-B-type natriuretic peptide (NT-pro-BNP). However, a right heart catheterization should only be performed in specialized centers to establish the diagnosis if therapeutic consequences for the patient were expected.The basic treatment of PH-CLD is optimal management of the underlying lung disease. Among the existing interventional and registry-based studies, only a small number of data suggests favorable outcomes when treating PH-CLD patients with PAH-specific medications. Some publications even suggest negative effects. Nevertheless, recent data on inhaled vasoactive therapy in PH-CLD showed positive results for inhaled Treprostinil, although long-term data for this therapeutic approach are still lacking. Treatment of PH-CLD patients with PAH-specific drugs should only be performed in specialized centers and preferably in the context of clinical trials.
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30
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Chu YY, Sun MC, Zhang XW, Li YF, Dai CQ, Wang GH. Abnormal presentation of pregnancy and postpartum initial-onset systemic lupus erythematosus combined with diffuse alveolar hemorrhage: A case report. Lupus 2023; 32:1579-1582. [PMID: 37864322 PMCID: PMC10666484 DOI: 10.1177/09612033231210060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 10/04/2023] [Indexed: 10/22/2023]
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease that most commonly occurs in women of childbearing age. However, cases of SLE with abnormal pregnancy as the initial manifestation, involving the development of diffuse alveolar hemorrhage (DAH), have rarely been reported. Herein, we report the case of a young woman who underwent a cesarean section for fetal distress and growth restriction at 35 + 1 weeks' gestation. Following discharge, she experienced progressive worsening of anemia and chest tightness, which was later diagnosed as SLE complicated by DAH.
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Affiliation(s)
- Ya-ya Chu
- Department of Rheumatology and Immunology, Anqing Medical Centre, Anhui Medical University, Anqing, China
- Department of Rheumatology and Immunology, Wannan Medical College, Wuhu, China
| | - Meng-chun Sun
- Department of Rheumatology, Qianshan Municipal Hospital, Qianshan, China
| | - Xiao-wei Zhang
- Department of Rheumatology and Immunology, Anqing Medical Center of Anhui Medical University, Anqing, China
- Department of Rheumatology and Immunology, The Fifth School of Clinical Medicine of Anhui Medical University, Heifei, China
| | - Yi-fei Li
- Department of Rheumatology and Immunology, Anqing Medical Centre, Anhui Medical University, Anqing, China
- Department of Rheumatology and Immunology, Wannan Medical College, Wuhu, China
| | - Chun-qing Dai
- Department of Rheumatology and Immunology, Anqing Medical Centre, Anhui Medical University, Anqing, China
| | - Gui-hong Wang
- Department of Rheumatology and Immunology, Anqing Medical Centre, Anhui Medical University, Anqing, China
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31
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Watanabe H, Yamana H, Okada A, Matsui H, Fushimi K, Yasunaga H. Therapeutic plasma exchange for anti-glomerular basement membrane disease with dialysis-dependent kidney failure without diffuse alveolar hemorrhage. J Nephrol 2023; 36:2317-2325. [PMID: 37354278 PMCID: PMC10638153 DOI: 10.1007/s40620-023-01695-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 05/30/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Anti-glomerular basement membrane (anti-GBM) disease is treated with immunosuppressive medications and plasma exchange. However, whether plasma exchange, in addition to pulse glucocorticoid therapy, would benefit patients with anti-GBM disease with dialysis-dependent kidney failure without diffuse alveolar hemorrhage remains unclear. METHODS Using the Japanese Diagnosis Procedure Combination database, we identified patients diagnosed with anti-GBM disease with dialysis-dependent kidney failure and without diffuse alveolar hemorrhage from July 2010 to March 2020. We compared in-hospital mortality within 10 days of hospitalization between patients who received therapeutic plasma exchange in addition to pulse glucocorticoid therapy and those who received pulse glucocorticoid therapy alone. Overlap weighting based on propensity score was performed to adjust for potential confounders. RESULTS We identified 207 eligible patients; 168 patients received therapeutic plasma exchange plus pulse glucocorticoid therapy, while 39 patients received pulse glucocorticoid therapy alone. The mean dose of therapeutic plasma exchange was 52.2 ml/kg/day of albumin and/or fresh frozen plasma. Therapeutic plasma exchange in addition to pulse glucocorticoid therapy was associated with a lower in-hospital mortality risk in the unweighted (10.7% versus 28.2%; risk difference, 17.5%; 95% confidence interval, 2.6-32.4%; P = 0.02) and weighted analyses (11.5% versus 28.4%; risk difference, 17.0%; 95% confidence interval, 1.5-32.5%; P = 0.03) than pulse glucocorticoid therapy alone. CONCLUSIONS This retrospective cohort study using a national database suggests that therapeutic plasma exchange may improve the in-hospital prognosis of anti-GBM disease with dialysis-dependent kidney failure and without diffuse alveolar hemorrhage.
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Affiliation(s)
- Hideaki Watanabe
- Department of Clinical Epidemiology and Health Economics, The University of Tokyo, 7-3-1, Hongo, Bunkyo, Tokyo, 1130033, Japan.
| | - Hayato Yamana
- Department of Clinical Epidemiology and Health Economics, The University of Tokyo, 7-3-1, Hongo, Bunkyo, Tokyo, 1130033, Japan
- Data Science Center, Jichi Medical University, Shimotsuke, Japan
| | - Akira Okada
- Department of Prevention of Diabetes and Lifestyle-Related Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroki Matsui
- Department of Clinical Epidemiology and Health Economics, The University of Tokyo, 7-3-1, Hongo, Bunkyo, Tokyo, 1130033, Japan
| | - Kiyohide Fushimi
- Department of Health Policy and Informatics, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics, The University of Tokyo, 7-3-1, Hongo, Bunkyo, Tokyo, 1130033, Japan
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Towe C, Grom AA, Schulert GS. Diagnosis and Management of the Systemic Juvenile Idiopathic Arthritis Patient with Emerging Lung Disease. Paediatr Drugs 2023; 25:649-658. [PMID: 37787872 DOI: 10.1007/s40272-023-00593-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/31/2023] [Indexed: 10/04/2023]
Abstract
Chronic lung disease in children with systemic juvenile idiopathic arthritis (SJIA-LD) is an emerging and potentially life-threatening disease complication. Despite recent descriptions of its clinical spectrum, preliminary immunologic characterization, and proposed hypotheses regaarding etiology, optimal approaches to diagnosis and management remain unclear. Here, we review the current clinical understanding of SJIA-LD, including the potential role of biologic therapy in disease pathogenesis, as well as the possibility of drug reactions with eosinophilia and systemic symptoms (DRESS). We discuss approaches to evaluation of children with suspected SJIA-LD, including a proposed algorithm to risk-stratify all SJIA patients for screening to detect LD early. We review potential pharmacologic and non-pharmacologic treatment approaches that have been reported for SJIA-LD or utilized in interstitial lung diseases associated with other rheumatic diseases. This includes lymphocyte-targeting therapies, JAK inhibitors, and emerging therapies against IL-18 and IFNγ. Finally, we consider urgent unmet needs in this area including in basic discovery of disease mechanisms and clinical research to improve disease detection and patient outcomes.
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Affiliation(s)
- Christopher Towe
- Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Alexei A Grom
- Division of Rheumatology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, 3333 Burnet Ave, MLC 4010, Cincinnati, OH, 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Grant S Schulert
- Division of Rheumatology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, 3333 Burnet Ave, MLC 4010, Cincinnati, OH, 45229, USA.
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
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Denis A, Frix AN, Nguyen Dang D, Malaise O, Defourny C, Lovinfosse P, Corhay JL, Gester F, Louis R, Ribbens C, Guiot J. [Lung disease associated with rheumatoid arthritis]. Rev Med Liege 2023; 78:641-648. [PMID: 37955294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Rheumatoid arthritis is a chronic inflammatory systemic disease. Pulmonary manifestations are the most common extra-articular involvements and can impact all components of the respiratory system: parenchyma, pleura, vessels and airways, all complications that are briefly described in this article. Interstitial lung disease is the most common of these and is associated with significant morbidity and mortality. Its detection and monitoring are based on spirometry and thoracic imaging. Specific treatments are initiated in order to reduce the risk of disease flare up but may themselves in case of toxicity be associated with respiratory manifestations, either directly or by promoting infectious complications.
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Affiliation(s)
- Anna Denis
- Service de Pneumologie, CHU Liège, Belgique
| | | | | | | | | | - Pierre Lovinfosse
- Service de Médecine nucléaire et Imagerie oncologique, CHU Liège, Belgique
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Wu T, Hagiwara M, Gnass E, Barman H, Sasson D, Treem W, Ren K, Marins EG, Karki C, Malhi H. Liver disease progression in patients with alpha-1 antitrypsin deficiency and protease inhibitor ZZ genotype with or without lung disease. Aliment Pharmacol Ther 2023; 58:1075-1085. [PMID: 37718576 DOI: 10.1111/apt.17715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/09/2023] [Accepted: 08/30/2023] [Indexed: 09/19/2023]
Abstract
BACKGROUND Alpha-1 antitrypsin deficiency (AATD) is caused by mutations in SERPINA1, which encodes alpha-1 antitrypsin, a protease inhibitor (Pi). Individuals with AATD and the homozygous Pi*ZZ genotype have variable risk of progressive liver disease but the influence of comorbid lung disease is poorly understood. AIMS To characterise patients with AATD Pi*ZZ and liver disease (AATD-LD-Pi*ZZ) with or without lung disease and describe liver disease-related clinical events longitudinally. METHODS This was an observational cohort study of patients in the Mayo Clinic Healthcare System (January 2000-September 2021). Patients were identified using diagnosis codes and natural language processing. Fibrosis stage (F0-F4) was assessed using a hierarchical approach at baseline (90 days before or after the index date) and follow-up. Clinical events associated with liver disease progression were assessed. RESULTS AATD-LD-Pi*ZZ patients with lung disease had a longer median time from AATD diagnosis to liver disease diagnosis versus those without lung disease (2.2 vs. 0.2 years, respectively). Compared to those without lung disease, patients with lung disease had a longer time to liver disease-related clinical events (8.5 years and not reached, respectively). AATD-LD-Pi*ZZ patients without lung disease were more likely to undergo liver transplantation compared with those with lung disease. CONCLUSION In patients with AATD and lung disease, there is a delay in the diagnosis of comorbid liver disease. Our findings suggest that liver disease may progress more rapidly in patients without comorbid lung disease.
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Affiliation(s)
- Tiffany Wu
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
| | - May Hagiwara
- Takeda Development Center Americas, Inc., Lexington, Massachusetts, USA
| | | | | | | | - William Treem
- Takeda Development Center Americas, Inc., Lexington, Massachusetts, USA
| | - Kaili Ren
- Takeda Development Center Americas, Inc., Lexington, Massachusetts, USA
| | - Ed G Marins
- Takeda Development Center Americas, Inc., Lexington, Massachusetts, USA
| | - Chitra Karki
- Takeda Development Center Americas, Inc., Lexington, Massachusetts, USA
| | - Harmeet Malhi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
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Riehani A, Soubani AO. The spectrum of pulmonary amyloidosis. Respir Med 2023; 218:107407. [PMID: 37696313 DOI: 10.1016/j.rmed.2023.107407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 08/21/2023] [Accepted: 09/08/2023] [Indexed: 09/13/2023]
Abstract
Amyloidosis is a disease caused by misfolded proteins that deposit in the extracellular matrix as fibrils, resulting in the dysfunction of the involved organ. The lung is a common target of Amyloidosis, but pulmonary amyloidosis is uncommonly diagnosed since it is rarely symptomatic. Diagnosis of pulmonary amyloidosis is usually made in the setting of systemic amyloidosis, however in cases of localized pulmonary disease, surgical or transbronchial tissue biopsy might be indicated. Pulmonary amyloidosis can be present in a variety of discrete entities. Diffuse Alveolar septal amyloidosis is the most common type and is usually associated with systemic AL amyloidosis. Depending on the degree of the interstitial involvement, it may affect alveolar gas exchange and cause respiratory symptoms. Localized pulmonary Amyloidosis can present as Nodular, Cystic or Tracheobronchial Amyloidosis which may cause symptoms of airway obstruction and large airway stenosis. Pleural effusions, mediastinal lymphadenopathy and pulmonary hypertension has also been reported. Treatment of all types of pulmonary amyloidosis depends on the type of precursor protein, organ involvement and distribution of the disease. Most of the cases are asymptomatic and require only close monitoring. Diffuse alveolar septal amyloidosis treatment follows the treatment of underlying systemic amyloidosis. Tracheobronchial amyloidosis is usually treated with bronchoscopic interventions including debulking and stenting or with external beam radiation. Long-term prognosis of pulmonary amyloidosis usually depends on the type of lung involvement and other organ function.
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Affiliation(s)
- Anas Riehani
- Division of Pulmonary, Critical Care and Sleep Medicine, Wayne State University School of Medicine, Detroit, MI, USA
| | - Ayman O Soubani
- Division of Pulmonary, Critical Care and Sleep Medicine, Wayne State University School of Medicine, Detroit, MI, USA.
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Ibeas Martínez A, Ibáñez Aguirre JM, Araiz Iribarren JJ, Jadraque Ruiz MY, Rolón Ruiz NM, Goenaga Fernández I. Subretinal abscess due to nocardia in an immunosuppressed patient: a case report. Arch Soc Esp Oftalmol (Engl Ed) 2023; 98:656-659. [PMID: 37595793 DOI: 10.1016/j.oftale.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/13/2023] [Indexed: 08/20/2023]
Abstract
Systemic nocardiosis is a rarely occurring pathology, but its hematogenous spread across the eye is even less likely to occur, with only a few recorded cases. Therefore, it is not usually taken into account when a subretinal abscess is being considered for a diagnosis. However, when confronting a case with a history of immunosupression and pulmonary disease, the examination of the ocular fundus may be a very successful approach. With such aim we introduce the case of a 45-year-old immunosupressed male, without a history of pulmonary disease, whose subretinal mass evolution is accordant with an abscess. In the end, being etiologically diagnosed by means of a vitrectomy, it was concluded that the abscess was due to an infection of nocardia cyriacigeorgica, an emergent pathogen. Thus the aforementioned case is to be considered in the present study, along others, in order to shed more light on a disease which may not be readily diagnosed on account of its infrequency.
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Affiliation(s)
- A Ibeas Martínez
- Servicio de Oftalmología, Hospital San Eloy, Barakaldo, Vizcaya, Spain.
| | | | | | - M Y Jadraque Ruiz
- Servicio de Oftalmología, Hospital San Eloy, Barakaldo, Vizcaya, Spain
| | - N M Rolón Ruiz
- Servicio de Oftalmología, Hospital San Eloy, Barakaldo, Vizcaya, Spain
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Figueroa-Parra G, Meade-Aguilar JA, Langenfeld HE, González-Treviño M, Hocaoglu M, Hanson AC, Prokop LJ, Murad MH, Cartin-Ceba R, Specks U, Majithia V, Crowson CS, Duarte-García A. Clinical features, risk factors, and outcomes of diffuse alveolar hemorrhage in antiphospholipid syndrome: A mixed-method approach combining a multicenter cohort with a systematic literature review. Clin Immunol 2023; 256:109775. [PMID: 37722463 DOI: 10.1016/j.clim.2023.109775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/29/2023] [Accepted: 09/13/2023] [Indexed: 09/20/2023]
Abstract
BACKGROUND Antiphospholipid syndrome (APS) is a systemic autoimmune disease clinically associated with thrombotic and obstetric events. Additional manifestations have been associated with APS, like diffuse alveolar hemorrhage (DAH). We aimed to summarize all the evidence available to describe the presenting clinical features, their prognostic factors, and short- and long-term outcomes. METHODS We performed a mixed-method approach combining a multicenter cohort with a systematic literature review (SLR) of patients with incident APS-associated DAH. We described their clinical features, treatments, prognostic factors, and outcomes (relapse, mortality, and requirement of mechanical ventilation [MV]). Kaplan-Meier methods were used to estimate relapse and mortality rates, and Cox and logistic regression models were used to assess the factors associated as appropriate. RESULTS We included 219 patients with incident APS-associated DAH (61 from Mayo Clinic and 158 from SLR). The median age was 39.5 years, 51% were female, 29% had systemic lupus erythematosus, and 34% presented with catastrophic APS (CAPS). 74% of patients had a history of thrombotic events, and 26% of women had a history of pregnancy morbidity; half of the patients had a history of thrombocytopenia, and a third had valvulopathy. Before DAH, 55% of the patients were anticoagulated. At DAH onset, 65% of patients presented hemoptysis. The relapse rate was 47% at six months and 52% at one year. Triple positivity (HR 4.22, 95% CI 1.14-15.59) was associated with relapse at six months. The estimated mortality at one and five years was 30.3% and 45.8%. Factors associated with mortality were severe thrombocytopenia (< 50 K/μL) (HR 3.10, 95% CI 1.39-6.92), valve vegetations (HR 3.22, 95% CI 1.14-9.07), CAPS (HR 3.80, 95% CI 1.84-7.87), and requirement of MV (HR 2.22, 95% CI 1.03-4.80). Forty-two percent of patients required MV on the incident DAH episode. Patients presenting with severe thrombocytopenia (OR 6.42, 95% CI 1.77-23.30) or CAPS (OR 4.30, 95% CI 1.65-11.16) were more likely to require MV. CONCLUSION APS-associated DAH is associated with high morbidity and mortality, particularly when presenting with triple positivity, thrombocytopenia, valvular involvement, and CAPS.
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Affiliation(s)
| | | | | | | | - Mehmet Hocaoglu
- Division of Rheumatology, Mayo Clinic, Rochester, MN, USA; Department of Medicine, University of Maryland Medical Center, Midtown Campus, Baltimore, MD, USA
| | - Andrew C Hanson
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | | | - M Hassan Murad
- Evidence-based Practice Center, Mayo Clinic, Rochester, MN, USA
| | - Rodrigo Cartin-Ceba
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Scottsdale, AZ, USA
| | - Ulrich Specks
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Vikas Majithia
- Division of Rheumatology, Mayo Clinic, Jacksonville, FL, USA
| | - Cynthia S Crowson
- Division of Rheumatology, Mayo Clinic, Rochester, MN, USA; Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Alí Duarte-García
- Division of Rheumatology, Mayo Clinic, Rochester, MN, USA; Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, USA.
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Wang T, Long F, Liu S, Wang Q, Long L, Huang W, Fu P, Dong H. Photodynamic therapy for treatment of recurrent hemoptysis secondary to pulmonary endometriosis: a case report. J Int Med Res 2023; 51:3000605231204485. [PMID: 37848389 PMCID: PMC10586007 DOI: 10.1177/03000605231204485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/13/2023] [Indexed: 10/19/2023] Open
Abstract
Pulmonary endometriosis (PEM) is rare, and drug therapy remains the primary treatment. However, patients with PEM frequently experience recurrent hemoptysis that is refractory to pharmacological intervention. We herein describe a patient with PEM who developed recurrent hemoptysis and was successfully treated with photodynamic therapy (PDT) after drug withdrawal. The patient was admitted to our hospital because of recurrent hemoptysis despite repeated drug treatments for more than 1 year. Given that PDT targets specific tissues and destroys vascular endothelial cells through the cytotoxic effect produced by the photodynamic reaction of the photosensitizer, we considered that it may effectively control hemoptysis secondary to vascular morphological changes in PEM. Therefore, we performed PDT in this case, and the patient's recurrent hemoptysis regressed. Approximately 2 years following PDT, the patient had recovered well and reported no discomfort. We recommend consideration of PDT as a treatment option for patients with PEM who develop recurrent hemoptysis after drug withdrawal. Notably, the patient's lung lesions should be superficial and limited, and no contraindications should be present.
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Affiliation(s)
- Tao Wang
- Department of Pulmonary and Critical Care Medicine, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen, China
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Fa Long
- Department of Pulmonary and Critical Care Medicine, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen, China
| | - Shengming Liu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Qiongping Wang
- Department of Pulmonary and Critical Care Medicine, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen, China
| | - Liang Long
- Department of Pulmonary and Critical Care Medicine, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen, China
| | - Wenting Huang
- Department of Pulmonary and Critical Care Medicine, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen, China
| | - Peng Fu
- Department of Pulmonary and Critical Care Medicine, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen, China
| | - Hongbo Dong
- Department of Pulmonary and Critical Care Medicine, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen, China
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Swenson K, Uribe JP, Ayala A, Parikh M, Zhang C, Paton A, Trachtenberg M, Majid A. Pleural Disease in Acute COVID-19 Pneumonia: A Single Center Retrospective Cohort Study. J Bronchology Interv Pulmonol 2023; 30:363-367. [PMID: 36190553 DOI: 10.1097/lbr.0000000000000896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 08/19/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Pleural diseases encompass pleural effusion and pneumothorax (PTX), both of which were uncommon in coronavirus disease of 2019 (COVID-19). We aimed to describe the frequency, characteristics, and main outcomes of these conditions in patients with COVID-19 pneumonia. METHODS We performed a retrospective cohort analysis of inpatients with COVID-19 pneumonia between January 1, 2020 and January 1, 2022, at Beth Israel Deaconess Medical Center in Boston, Massachusetts. RESULTS Among 4419 inpatients with COVID-19 pneumonia, 109 (2.5%) had concurrent pleural disease. Ninety-four (2.1%) had pleural effusion (50% seen on admission) and 15 (0.3%) had PTX, both with higher rates of underlying conditions such as heart failure, liver disease, kidney disease, and malignancy. A total of 28 (30%) pleural effusions were drained resulting in 32% being exudative, 43% pseudoexudative, and 25% transudative. Regarding PTX, 5 (33%) were spontaneous and 10 (67%) were due to barotrauma while on mechanical ventilation. We found that the presence of underlying lung disease was not associated with an increased risk of developing PTX. In addition, patients with pleural disease had a higher incidence of severe or critical illness as represented by intensive care unit admission and intubation, longer hospital and intensive care unit stay, and a higher mortality rate as compared with patients without the pleural disease. CONCLUSION Pleural effusions and pneumothoraces are infrequent findings in patients admitted due to COVID-19 pneumonia, worsened outcomes in these patients likely reflect an interplay between the severity of inflammation and parenchymal injury due to COVID-19 disease and underlying comorbidities.
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Affiliation(s)
- Kai Swenson
- Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
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Ren X, Wang S, Lian J, Pan C, Li B, He Y, Zhao J, Wang D, Luo Z, Shen J, Sun Z, Hou Y, Qi L, Lu Q, Lv P, Wang Y, Yong Q. Interrelation of Chronic Lung Disease and Cardiovascular Disease Based on Two National Prospective Cohort Studies. Heart Lung Circ 2023; 32:1167-1177. [PMID: 37574417 DOI: 10.1016/j.hlc.2023.06.862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 05/27/2023] [Accepted: 06/09/2023] [Indexed: 08/15/2023]
Abstract
BACKGROUND Chronic lung diseases (CLDs) and cardiovascular diseases (CVDs) are the main chronic diseases responsible for a considerable burden of disease. This study aimed to estimate the interrelation of CLDs and CVDs using two Chinese national longitudinal cohort studies. METHODS The China Health and Retirement Longitudinal Study (CHARLS) and Chinese Longitudinal Healthy Longevity Survey (CLHLS) were used in this study with 15,052 and 9,765 participants, respectively. The Cox proportional risk model was used to estimate the interrelation between CLDs and CVDs. Mediating effects were performed to detect possible influencing pathways between CLDs and CVDs. RESULTS The association of CLDs with CVDs was identified in 1,647 participants (10.9%) with newly diagnosed CVDs in CHARLS and 332 participants (11.6%) in CLHLS. The Cox proportional risk model showed that CLDs were a significant predictor of CVDs (HR 1.49, 95% CI 1.27-1.76) after adjusting for covariates, and the hazard ratios of stroke and CVDs excluding stroke were (HR 1.02, 95% CI 0.79-1.31) and (HR 1.76, 95% CI 1.46-2.13), respectively. These association were mediated by body mass index (BMI) and Center for Epidemiological Studies Depression Scale (CES-D-10) scores. No significant association was found in CHARLS and CLHLS regarding CVDs with CLDs. In CHARLS, CVDs was a significant predictor of CLDs (HR 1.40, 95% CI 1.09-1.79). CONCLUSIONS Chronic lung disease was associated with increased incidence of CVDs in middle-aged and older people in the community population and vice versa. Body mass index and depressive symptoms might be mediated by the effect of CLD on CVD.
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Affiliation(s)
- Xueling Ren
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Shengshu Wang
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Junsong Lian
- Ninth Department of Healthcare, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Chunjiang Pan
- PLA Strategic Support Force Characteristic Medical Center, Beijing, China
| | - Baobao Li
- State Key Laboratory of Highly Toxic Substances for Anti-Drug Research, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing, China
| | - Yan He
- Department of Occupational Disease Treatment, Medical Center of The Second Artillery, Beijing, China
| | - Jing Zhao
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Dan Wang
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zheng Luo
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jiangqiong Shen
- Department of Nursing, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhifeng Sun
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yanka Hou
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Lin Qi
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Qian Lu
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ping Lv
- Department of Respiratory, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yuling Wang
- Department of Nursing, Chinese PLA General Hospital, Beijing, China.
| | - Qinge Yong
- Department of Nursing, National Clinical Research Center for Geriatrics Diseases, The Second Medical Center of Chinese PLA General Hospital, Beijing, China.
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Fonseka CL, Dahanayake NJ, Mihiran DJD, Wijesinghe KM, Liyanage LN, Wickramasuriya HS, Wijayaratne GB, Sanjaya K, Bodinayake CK. Pulmonary haemorrhage as a frequent cause of death among patients with severe complicated Leptospirosis in Southern Sri Lanka. PLoS Negl Trop Dis 2023; 17:e0011352. [PMID: 37844119 PMCID: PMC10602373 DOI: 10.1371/journal.pntd.0011352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 10/26/2023] [Accepted: 09/11/2023] [Indexed: 10/18/2023] Open
Abstract
BACKGROUND Leptospirosis is a tropical disease associated with life threatening complications. Identifying clinical and investigation-based parameters that predict mortality and morbidity is vital to provide optimal supportive care. METHODS We conducted an observational study in an endemic setting, in the southern Sri Lanka. Consecutive patients having complicated leptospirosis were recruited over 18 months. Clinical, investigational and treatment data were collected and the predictors of mortality were analysed. RESULTS Out of 88 patients having complicated leptospirosis, 89% were male. Mean age was 47yrs (±16.0). Among the total major complications 94.3% had acute kidney injury, 38.6% pulmonary haemorrhages, 12.5% fulminant hepatic failure, 60.2% hemodynamic instability and 33% myocarditis. An acute significant reduction of haemoglobin (Hb) was observed in 79.4% of patients with pulmonary haemorrhage. The mean of the highest haemoglobin reduction in patients with pulmonary haemorrhage was 3.1g/dL. The presence of pulmonary haemorrhage (PH) and hemodynamic instability within first 48 hours of admission significantly predicted mortality (p<0.05) in severe leptospirosis. Additionally, within first 48 hours of admission, elevated SGOT (AST), presence of atrial fibrillation, presence of significant haemoglobin reduction, higher number of inotropes used, prolonged shock, invasive ventilation and admission to ICU significantly predicted mortality. Out of major complications during the first week after admission, pulmonary haemorrhage and fulminant hepatic failure (FHF) combination had significant adjusted odds of mortality (OR = 6.5 and 4.8, p<0.05). Six patients with severe respiratory failure due to PH underwent ECMO and four survived. The overall mortality in complicated leptospirosis was 17%. In PH and FHF, the mortality rate was higher reaching 35.4% and 54.5%, respectively. CONCLUSIONS Within first 48 hours of admission, major complications such as pulmonary haemorrhage and haemodynamic instability and other parameters such as atrial fibrillation, acute haemoglobin reduction, elevated SGOT level could be used as early parameters predictive of mortality in severe leptospirosis. PH and FHF during the first week of admission in leptospirosis are associated with high morbidity and mortality requiring prolonged ICU care and hospitalisation. Above parameters could be used as parameters indicating severity for triaging and intensifying treatment. Using ECMO is a plausible treatment option in patients with severe pulmonary haemorrhage.
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Affiliation(s)
| | | | | | | | | | | | | | - Kelum Sanjaya
- Department of Limnology and Water Technology, Faculty of Fisheries and Marine Sciences & Technology, University of Ruhuna, Galle, Sri Lanka
| | - Champica K. Bodinayake
- Department of Internal Medicine, Faculty of Medicine, University of Ruhuna, Galle, Sri Lanka
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Takasaka N, Chida K, Ishikawa T, Kuwano K. Simultaneous diagnosis of allergic bronchopulmonary aspergillosis and Mycobacterium avium complex lung disease. BMJ Case Rep 2023; 16:e255845. [PMID: 37751982 PMCID: PMC10533704 DOI: 10.1136/bcr-2023-255845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/11/2023] [Indexed: 09/30/2023] Open
Abstract
Allergic bronchopulmonary aspergillosis (ABPA) and Mycobacterium avium complex lung disease (MAC-LD) often coexist because bronchiectasis, caused by ABPA or MAC, might be an important predisposing factor for both conditions. Here, we describe a man with asthma symptoms who had centrilobular small nodules and mucoid impaction on chest CT. We diagnosed the patient with simultaneous ABPA and MAC-LD on the basis of bronchoscopy findings. Itraconazole monotherapy led to substantial clinical improvement, avoiding the adverse effects of systemic corticosteroids. Sputum culture conversion of MAC was achieved after switching from itraconazole monotherapy to combination therapy comprising clarithromycin, rifampicin and ethambutol. ABPA recurred but was controlled by reinitiation of itraconazole. Overall, corticosteroid management was avoided for 38 months. Itraconazole monotherapy may be selected as initial treatment for ABPA with chronic infection, including MAC.
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Affiliation(s)
- Naoki Takasaka
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University Daisan Hospital, Komae, Tokyo, Japan
| | - Kentaro Chida
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University Daisan Hospital, Komae, Tokyo, Japan
| | - Takeo Ishikawa
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University Daisan Hospital, Komae, Tokyo, Japan
| | - Kazuyoshi Kuwano
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, Minato-ku, Tokyo, Japan
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Skopelidou V, Hurník P, Tulinský L, Židlík V, Lenz J, Delongová P, Hornychová H, Flodr P, Jelínek T, Muroňová L, Holub D, Džubák P, Hajdúch M. A unique case of AH-dominant type nodular pulmonary amyloidosis presenting as a spontaneous pneumothorax: a case report and review of the literature. Pathol Oncol Res 2023; 29:1611390. [PMID: 37808084 PMCID: PMC10556250 DOI: 10.3389/pore.2023.1611390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/11/2023] [Indexed: 10/10/2023]
Abstract
Amyloidosis is a rare metabolic disorder primarily brought on by misfolding of an autologous protein, which causes its local or systemic deposition in an aberrant fibrillar form. It is quite rare for pulmonary tissue to be impacted by amyloidosis; of the three forms it can take when involving pulmonary tissue, nodular pulmonary amyloidosis is the most uncommon. Nodular pulmonary amyloidosis rarely induces clinical symptoms, and most often, it is discovered accidentally during an autopsy or via imaging techniques. Only one case of nodular pulmonary amyloidosis, which manifested as a spontaneous pneumothorax, was found in the literature. In terms of more precise subtyping, nodular amyloidosis is typically AL or mixed AL/AH type. No publications on AH-dominant type of nodular amyloidosis were found in the literature. We present a case of an 81 years-old male with nodular pulmonary AH-dominant type amyloidosis who presented with spontaneous pneumothorax. For a deeper understanding of the subject, this study also provides a review of the literature on cases with nodular pulmonary amyloidosis in relation to precise amyloid fibril subtyping. Since it is often a difficult process, accurate amyloid type identification is rarely accomplished. However, this information is very helpful for identifying the underlying disease process (if any) and outlining the subsequent diagnostic and treatment steps. Even so, it is crucial to be aware of this unit and make sure it is taken into consideration when making a differential diagnosis of pulmonary lesions.
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Affiliation(s)
- Valeria Skopelidou
- Institute of Molecular and Clinical Pathology and Medical Genetics, University Hospital Ostrava, Ostrava, Czechia
- Institute of Molecular and Clinical Pathology and Medical Genetics, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
| | - Pavel Hurník
- Institute of Molecular and Clinical Pathology and Medical Genetics, University Hospital Ostrava, Ostrava, Czechia
- Institute of Molecular and Clinical Pathology and Medical Genetics, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
- Department of Pathology, EUC Laboratoře CGB a.s., Ostrava, Czechia
| | - Lubomír Tulinský
- Department of Surgery, University Hospital Ostrava, Ostrava, Czechia
- Department of Surgical Studies, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
| | - Vladimir Židlík
- Institute of Molecular and Clinical Pathology and Medical Genetics, University Hospital Ostrava, Ostrava, Czechia
- Institute of Molecular and Clinical Pathology and Medical Genetics, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
- Department of Pathology, EUC Laboratoře CGB a.s., Ostrava, Czechia
| | - Jiří Lenz
- Department of Pathology, Znojmo Hospital, Znojmo, Czechia
| | - Patricie Delongová
- Institute of Molecular and Clinical Pathology and Medical Genetics, University Hospital Ostrava, Ostrava, Czechia
- Institute of Molecular and Clinical Pathology and Medical Genetics, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
- Department of Pathology, EUC Laboratoře CGB a.s., Ostrava, Czechia
| | - Helena Hornychová
- The Fingerland Department of Pathology, Charles University, Faculty of Medicine in Hradec Králové, Hradec Králové, Czechia
- The Fingerland Department of Pathology, Charles University, University Hospital Hradec Králové, Hradec Králové, Czechia
| | - Patrik Flodr
- Department of Clinical and Molecular Pathology, University Hospital Olomouc, Olomouc, Czechia
- Department of Clinical and Molecular Pathology, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czechia
| | - Tomáš Jelínek
- Department of Hematooncology, University Hospital Ostrava, Ostrava, Czechia
- Department of Hematooncology, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
| | - Ludmila Muroňová
- Department of Hematooncology, University Hospital Ostrava, Ostrava, Czechia
- Department of Hematooncology, Faculty of Medicine, University of Ostrava, Ostrava, Czechia
| | - Dušan Holub
- Institute for Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czechia
| | - Petr Džubák
- Institute for Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czechia
| | - Marián Hajdúch
- Institute for Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czechia
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Bakst B, Banerji S, Rambhujun V, Hamid SA. Ventilation-Perfusion Mismatch in a Patient With an Arteriovenous Fistula and Underlying Pulmonary Parenchymal Disease. Am J Cardiol 2023; 202:163-165. [PMID: 37441830 DOI: 10.1016/j.amjcard.2023.06.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/11/2023] [Accepted: 06/18/2023] [Indexed: 07/15/2023]
Abstract
Many causes can result in hypoxia. We describe an interesting case of a patient with an arteriovenous fistula who had worsening hypoxia initially attributed to progression of chronic obstructive pulmonary disease and heart failure. However, after a meticulous workup, we found an interplay of complex yet common factors contributing to hypoxia.
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Affiliation(s)
- Bradley Bakst
- ChristianaCare Health System, Department of Medicine, Newark, Delaware.
| | - Sourin Banerji
- ChristianaCare Health System, Department of Cardiology, Newark, Delaware
| | - Vikash Rambhujun
- ChristianaCare Health System, Department of Cardiology, Newark, Delaware
| | - S Ali Hamid
- ChristianaCare Health System, Department of Cardiology, Newark, Delaware
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Yuchi Y, Suzuki R, Saito T, Yasumura Y, Teshima T, Matsumoto H, Koyama H. Echocardiographic characteristics of dogs with pulmonary hypertension secondary to respiratory diseases. J Vet Intern Med 2023; 37:1656-1666. [PMID: 37593765 PMCID: PMC10472999 DOI: 10.1111/jvim.16836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 08/07/2023] [Indexed: 08/19/2023] Open
Abstract
BACKGROUND Pulmonary hypertension (PH) secondary to respiratory disease is caused by pulmonary vascular remodeling and hypoxia. Severe PH can induce various clinical signs, including syncope and right-sided heart failure. HYPOTHESIS/OBJECTIVES To investigate the echocardiographic characteristics in dogs with PH secondary to respiratory diseases. ANIMALS Thirty-one dogs with respiratory diseases with or without PH and 15 healthy dogs. METHODS Prospective cross-sectional study. Dogs were classified according to respiratory disease (obstructive airway/lung disease [OALD] or restrictive lung disease [RLD]) and PH-relevant signs. The association between echocardiographic variables and PH (classified by respiratory disease and PH-relevant signs) was investigated. RESULTS Twenty-one dogs were diagnosed with PH; of these, 11 showed PH-related signs (OALD, n = 2; RLD, n = 9), 14 had right ventricular hypertrophy, and 19 had pulmonary arterial enlargement. Right ventricular dysfunction and dilatation were observed only in dogs with PH-related signs (n = 10). Left and right ventricular stroke volumes were significantly lower in dogs with PH (median [interquartile range]: 17.2 [12.4-20.8] and 16.8 [15.3-29.5] mL/m2 , respectively). Dogs with RLD had higher echocardiography-estimated pulmonary vascular resistance than those with OALD (median [interquartile range]: 3.1 [1.9-3.3] and 1.6 [1.3-2.2], respectively). CONCLUSIONS AND CLINICAL IMPORTANCE Pulmonary arterial enlargement was the most common echocardiographic finding in dogs with PH secondary to respiratory diseases. Right ventricular dysfunction, dilatation, and decreased left and right ventricular stroke volume were significantly associated with the PH-related signs, indicating that comprehensive echocardiography is recommended in dogs with respiratory disease. Restricted lung disease might induce more severe PH than OALD.
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Affiliation(s)
- Yunosuke Yuchi
- Laboratory of Veterinary Internal Medicine, School of Veterinary Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityTokyoJapan
| | - Ryohei Suzuki
- Laboratory of Veterinary Internal Medicine, School of Veterinary Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityTokyoJapan
| | - Takahiro Saito
- Laboratory of Veterinary Internal Medicine, School of Veterinary Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityTokyoJapan
| | - Yuyo Yasumura
- Laboratory of Veterinary Internal Medicine, School of Veterinary Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityTokyoJapan
| | - Takahiro Teshima
- Laboratory of Veterinary Internal Medicine, School of Veterinary Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityTokyoJapan
| | - Hirotaka Matsumoto
- Laboratory of Veterinary Internal Medicine, School of Veterinary Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityTokyoJapan
| | - Hidekazu Koyama
- Laboratory of Veterinary Internal Medicine, School of Veterinary Medicine, Faculty of Veterinary ScienceNippon Veterinary and Life Science UniversityTokyoJapan
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Wang H, Qiu H, Gu X, Zhang Y, Wang S. The association between sarcopenia and incident chronic lung disease in the general population: A longitudinal study based on CHARLS data. Exp Gerontol 2023; 180:112257. [PMID: 37467900 DOI: 10.1016/j.exger.2023.112257] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND Data regarding the association of sarcopenia with chronic lung disease (CLD) has led to inconclusive results. The main goal of this research was to investigate the association between sarcopenia and CLD in middle-aged and elderly individuals in China. METHODS The study sample consisted of 11,077 individuals without CLD at baseline chosen from the China Health and Retirement Longitudinal Study (CHARLS) data from 2015, followed up until 2018. Sarcopenia was identified utilizing the criteria set by the Asian Working Group on Sarcopenia (AWGS 2019) in 2019. Individuals were categorized into no-sarcopenia, possible-sarcopenia, and sarcopenia groups. The outcome of the study was considered to be incident CLD, which included chronic bronchitis, emphysema, pulmonary heart disease, and asthma. The association between sarcopenia and the risk of CLD was also examined by employing weighted Cox proportional hazard regression models. RESULTS A total of 356 (3.20 %) participants developed CLD during the 3.6-year follow-up period. The cumulative incidence of CLD in the no-sarcopenia, possible-sarcopenia, and sarcopenia groups was 2.80 % (230/8222), 4.37 % (55/1260), and 4.45 % (71/1595), respectively. Individuals with possible sarcopenia {hazard ratio [HR] [95 % confidence interval (CI)]: 1.48 [1.04-2.09]} and sarcopenia [HR (95 % CI): 1.68 (1.12-2.51)] demonstrated a considerably high risk of developing CLD compared to individuals in the no-sarcopenia group. Moreover, individuals diagnosed with sarcopenia, as per the criteria established by the European Working Group on Sarcopenia in Older People (EWGSOP) 2018, were at considerably high risk for developing CLD compared to those in the no-sarcopenia group. CONCLUSION This research involving adult Chinese individuals demonstrated a significant association between, possible sarcopenia and sarcopenia with an elevated risk of incident CLD, thereby emphasizing the importance of monitoring respiratory health in this population. KEY POINTS Question: Whether muscle mass and sarcopenia are associated with the development of chronic lung disease (CLD) in Asian middle-aged and elderly individuals. FINDINGS This longitudinal study encompassing 11,077 adults aged ≥45 years from the China Health and Retirement Longitudinal Study (CHARLS) data with 3.6 years of follow-up revealed a positive association between sarcopenia at baseline and incidence of CLD. Meaning: The findings suggest that possible sarcopenia and sarcopenia are linked to the development of CLD. Consequently, middle-aged and elderly individuals with possible sarcopenia and sarcopenia can be considered vulnerable regarding the primary prevention strategies for CLD.
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Affiliation(s)
- Hongxiang Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Jiamusi University, Jiamusi, China
| | - Hongbin Qiu
- Department of Epidemiology and Biostatistics, School of Public Health, Jiamusi University, Jiamusi, China
| | - Xia Gu
- Department of Cardiology, Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China
| | - Yiying Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Jiamusi University, Jiamusi, China.
| | - Shanjie Wang
- Department of Cardiology, Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
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Huang YN, Huang JY, Liao WL, Chiang SL, Liu KW, Bau DAT, Wang CH, Su PH. Incidence of Pulmonary and Respiratory Conditions in Gaucher Disease from 2000 to 2020: A Multi-institutional Cohort Study. In Vivo 2023; 37:2276-2283. [PMID: 37652520 PMCID: PMC10500493 DOI: 10.21873/invivo.13330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 09/02/2023]
Abstract
BACKGROUND/AIM Gaucher disease (GD) is a rare lysosomal storage disorder that can involve the lungs and pulmonary vasculature. The long-term effects of GD on respiratory health remain unclear due to limited data on the natural history of this disease. We analyzed electronic health records for 11,004 patients with GD over 10-20 years to determine the incidence of pulmonary hypertension (PH), lung disease, and other respiratory comorbidities and better understand disease course to guide management. PATIENTS AND METHODS We conducted a retrospective cohort study using the TriNetX research database of 130 million international patients. The incidence of primary/secondary PH, pulmonary heart disease, interstitial/obstructive/restrictive lung disease, pulmonary hemorrhage, and pulmonary embolism was assessed in patients with GD from 2000-2020. RESULTS Incidence rates of all conditions assessed increased from 10 to 20 years of follow-up. Excess risk of PH, lung disease, and pulmonary hemorrhage was significantly higher in GD patients after 20 versus 10 years. CONCLUSION Extended follow-up in GD is associated with substantially higher risks of PH, lung disease and other respiratory comorbidities, highlighting the need for close monitoring and early intervention to mitigate long-term pulmonary decline. Improved understanding of mechanisms driving respiratory deterioration can support the development of novel treatments to optimize outcomes in this population at high risk of pulmonary morbidity and mortality.
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Affiliation(s)
- Yu-Nan Huang
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan, R.O.C
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Jing-Yang Huang
- Center for Health Data Science, Chung Shan Medical University Hospital, Taichung, Taiwan, R.O.C
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Wen-Ling Liao
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan, R.O.C
- Center for Personalized Medicine, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Shang-Lun Chiang
- Department of Medical Laboratory Science, College of Medical Science and Technology, I-Shou University, Kaohsiung, Taiwan, R.O.C
| | - Kai-Wen Liu
- Division of Genetics and Metabolism, Children's Hospital of China Medical University, Taichung, Taiwan, R.O.C
| | - DA-Tian Bau
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, R.O.C
| | - Chung-Hsing Wang
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan, R.O.C.;
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
- Division of Genetics and Metabolism, Children's Hospital of China Medical University, Taichung, Taiwan, R.O.C
- School of Medicine, China Medical University, Taichung, Taiwan, R.O.C
| | - Pen-Hua Su
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan, R.O.C.;
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
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Higuchi H, Okuzumi S, Kakimoto T, Hamabe K, Morinaga S, Minematsu N. Long-term Findings in Bullous Sarcoidosis: A Case Report and Literature Review. Intern Med 2023; 62:2395-2400. [PMID: 36543217 PMCID: PMC10484780 DOI: 10.2169/internalmedicine.1130-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 11/14/2022] [Indexed: 12/24/2022] Open
Abstract
Pulmonary sarcoidosis may occasionally present with large bullae, but the clinical implications of this finding remain unclear. We herein report the complete clinical course of a case of pulmonary bullous sarcoidosis. Chest computed tomography initially showed subpleural and peribronchovascular lung opacities, and bullae spontaneously developed in adjacent less-affected regions, probably via a retraction mechanism. Bullae progression was refractory to corticosteroid treatment and associated with deterioration of respiratory symptoms. The later phase involved repeated bacterial and fungal infections of the bullous lungs, eventually causing respiratory failure and mortality. Postmortem examinations revealed aggressive pulmonary Mycobacterium avium infection and diffuse alveolar damage.
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Affiliation(s)
| | | | | | - Kenta Hamabe
- Department of Medicine, Hino Municipal Hospital, Japan
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Debela M, Kebeta ND, Begosaw AM, Okello G, Azage M. Bagasse dust exposure and chronic respiratory symptoms among workers in the Metehara and Wonji sugar factories in Ethiopia: a longitudinal study design. BMJ Open Respir Res 2023; 10:e001511. [PMID: 37567741 PMCID: PMC10423784 DOI: 10.1136/bmjresp-2022-001511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND Ethiopia's sugar factories are growing by creating job opportunities for thousands of workers with varying educational, professional and socioeconomic backgrounds. These sugar factories are a source of several hazards that severely harm the workers' health. In this context, there is inconclusive evidence on the level of bagasse dust exposure and chronic respiratory health symptoms. This study aimed to assess the degree of bagasse dust exposure and chronic respiratory health symptoms. METHODS In this longitudinal study, five workstations were selected for dust sampling. A stratified random sampling technique was used to select 1043 participants. We measured the dust intensity using a calibrated handheld real-time dust monitor once a month for 5 months, totalling 50 dust samples. Chronic respiratory symptoms were assessed using the American Thoracic Society's respiratory symptoms questionnaire. RESULTS A 1 hour time-weighted average of bagasse dust intensity in the boiler, power turbine and evaporation plant was 8.93 mg/m3, 8.88 mg/m3 and 8.68 mg/m3, respectively. This corresponded to an exposure level to bagasse dust of 85.52% (95% CI 83.2% to 87.6%). The level of chronic respiratory health symptoms was 60.6% (95% CI 59.2% to 61.9%). The most common respiratory symptoms were wheezing (96.8%), coughing (89.7%) and breathlessness (80.9%). The identified risk factors were lack of dust control technology (β= 0.64, 95% CI 0.53 to 0.75), not practising wet spray (β = 0.27, 95% CI 0.21 to 0.41) and not wearing proper respiratory protection devices (β = 0.12, 95% CI 0.30 to 0.56). CONCLUSIONS Bagasse dust exposure and respiratory health abnormalities were worrying concerns. The absence of dust control technologies and no practice of wet spraying elevated the level of exposure. Not wearing proper respiratory protection gear increased the odds of having respiratory abnormalities. Hence, the use of mechanical solutions to stop dust emissions at their sources and the wearing of proper respiratory protection gear are highly advised.
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Affiliation(s)
- Mitiku Debela
- Department of Environmental Health, Bahir Dar University, Bahir Dar, Ethiopia
| | | | | | - Gabriel Okello
- Sustainability Leadership, University of Cambridge, Cambridge, UK
| | - Muluken Azage
- Department of Environmental Health, Bahir Dar University, Bahir Dar, Ethiopia
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Abstract
Lung disease encompasses acute, infectious processes and chronic, non-infectious processes such as chronic obstructive pulmonary disease, asthma and lung cancer. People living with HIV are at increased risk of both acute and chronic lung diseases. Although the use of effective antiretroviral therapy has diminished the burden of infectious lung disease, people living with HIV experience growing morbidity and mortality from chronic lung diseases. A key risk factor for HIV-associated lung disease is cigarette smoking, which is more prevalent in people living with HIV than in uninfected people. Other risk factors include older age, history of bacterial pneumonia, Pneumocystis pneumonia, pulmonary tuberculosis and immunosuppression. Mechanistic investigations support roles for aberrant innate and adaptive immunity, local and systemic inflammation, oxidative stress, altered lung and gut microbiota, and environmental exposures such as biomass fuel burning in the development of HIV-associated lung disease. Assessment, prevention and treatment strategies are largely extrapolated from data from HIV-uninfected people. Smoking cessation is essential. Data on the long-term consequences of HIV-associated lung disease are limited. Efforts to continue quantifying the effects of HIV infection on the lung, especially in low-income and middle-income countries, are essential to advance our knowledge and optimize respiratory care in people living with HIV.
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Affiliation(s)
- Ioannis Konstantinidis
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kristina Crothers
- Veterans Affairs Puget Sound Healthcare System and Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Ken M Kunisaki
- Section of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
| | - M Bradley Drummond
- Division of Pulmonary Diseases and Critical Care Medicine, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Thomas Benfield
- Department of Infectious Diseases, Copenhagen University Hospital, Amager and Hvidovre, Hvidovre, Denmark
| | - Heather J Zar
- Department of Paediatrics & Child Health, Red Cross War Memorial Children's Hospital, Cape Town, South Africa
- SA-MRC Unit on Child & Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Laurence Huang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Alison Morris
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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