Chronic Respiratory Disease最新文献

{"title":"Eosinopenia in bronchiectasis: A novel biomarker for morbidity and mortality.","authors":"Shimon Izhakian, Ravid Yehezkely, Assaf Frajman, Ori Mekiten, Ori Hadar, Avigail Rockland, Liel Malka, Lev Freidkin, Dror Rosengarten, Mordechai R Kramer","doi":"10.1177/14799731241296847","DOIUrl":"10.1177/14799731241296847","url":null,"abstract":"<p><strong>Background: </strong>The paradigm of bronchiectasis is shifting away from its exclusive characterization as a neutrophilic condition. Patients with bronchiectasis and high eosinophil levels have been found to have a specific phenotype, but the clinical effect of eosinopenia remains unclear.</p><p><strong>Method: </strong>A retrospective, single-center, observational study was conducted at a tertiary medical center. Adult patients under follow-up for bronchiectasis from January 2007 to August 2020 were categorized by blood eosinophil count (BEC) as follows: eosinopenia (<100 cells/µL), normal (100-299 cells/µL), and eosinophilia (≥300 cells/µL). Data on the first hospitalization due to exacerbation and the community exacerbation rate in the first year of follow-up were analyzed. Mortality rates were assessed up to the end of follow-up on September 1, 2023.</p><p><strong>Results: </strong>The cohort included 724 patients (100%), 61% female (<i>n</i> = 442), of mean age 61 ± 16 years. The median follow-up period was 7.5 years (IQR: 5.1-10.8). Eosinopenia was found in 14.7% (<i>n</i> = 107), normal BEC in 56.6% (<i>n</i> = 417), and eosinophilia in 28.7% (<i>n</i> = 200). Patients with eosinopenia had a higher hazard ratio for first hospitalization than the normal-count group (1.71, 95% CI 1.11-2.64, <i>p</i> = .01) and the highest mean exacerbation rate (<i>p</i> = .04). On multivariate analysis, eosinopenia was significantly associated with higher mortality (HR 2.15, 95% CI 1.42-3.24, <i>p</i> < .001) after adjusting for age and sex.</p><p><strong>Conclusion: </strong>Eosinopenia in bronchiectasis emerged as a potential biomarker for adverse outcomes. Further study of its role in disease behavior may provide insights for the development of therapeutic strategies.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731241296847"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11700409/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142920763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Active cycle of breathing technique versus oscillating positive expiratory pressure therapy: Effect on lung function in children with primary ciliary dyskinesia; A feasibility study.","authors":"Bishara Fashho, Nisreen Rumman, Jane Lucas, Hadeel Halaweh","doi":"10.1177/14799731251314872","DOIUrl":"10.1177/14799731251314872","url":null,"abstract":"<p><p><b>Background:</b> Primary Ciliary Dyskinesia (PCD) is a rare genetic disorder requiring airway clearance techniques for mucus removal. We aimed to evaluate the feasibility and the effect of the active cycle of breathing technique (ACBT) versus oscillating positive expiratory pressure therapy (OPEP) in improving lung function and functional exercise capacity among children with PCD in Palestine. <b>Methods:</b> 32 PCD children (6-18 years) were included in a 12-week home-based feasibility study. They were assigned randomly into two groups: ACBT and OPEP. Data collection included spirometry measurements, and the six-minute walk test (6MWT). <b>Results:</b> After 12 weeks of regular airway clearance techniques (ACT), the FEV₁, MEF_25-75%, and the 6MWT demonstrated statistically significant differences (<i>p</i> = .02, <i>p</i> = .04, and <i>p</i> = .05 respectively) between the two groups, in favor of the OPEP group with the effect size of Cohen's d (0.86, 0.76, and 0.71) respectively. However, there was no significant difference (<i>p</i> > .05) between the two groups in FVC and FEV₁/FVC. Additionally, only in the OPEP group, significant differences were recorded between pre and post-tests for FEV1 and 6MWT (<i>p</i> < .05). <b>Conclusion:</b> The randomized study design comparing ACBT and OPEP was feasible and acceptable to patients. OPEP demonstrates potential for managing respiratory health; however, treatments should be individualized to address each patient's specific needs. Further research with larger cohorts is needed to assess the effectiveness of both methods.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731251314872"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11729442/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142977674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pulmonary rehabilitation healthcare professionals understanding and experiences of the protected characteristics of service users: A qualitative analysis.","authors":"Holly Drover, Sally J Singh, Mark W Orme, Enya Daynes","doi":"10.1177/14799731241307253","DOIUrl":"10.1177/14799731241307253","url":null,"abstract":"<p><strong>Background: </strong>Health inequalities can affect access and uptake to pulmonary rehabilitation (PR). An individual's protected characteristics (age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex and sexual orientation) may contribute to health inequalities. Healthcare professionals (HCPs) experiences of the inclusivity and representativeness of PR services and knowledge of protected characteristics are unknown, however are vital for the identification and resolution of health inequalities. This qualitative study explored HCPs understanding of protected characteristics and their perception of the inclusivity, representativeness and equitable benefit of their PR services.</p><p><strong>Methods: </strong>Semi-structured qualitative interviews were conducted in person or via videoconferencing with HCPs involved in PR from two healthcare providers. Interviews were analysed using reflexive thematic analysis.</p><p><strong>Results: </strong>12 interviews were conducted with physiotherapists (<i>n</i> = 6), occupational therapists (<i>n</i> = 2), nurses (<i>n</i> = 2) and exercise physiologists (<i>n</i> = 2). Participants had a median (IRQ) age of 43 (13) and 75% (<i>n</i> = 9) were female. Four themes were generated. 1: 'I don't really know as much as I should' [about protected characteristics]; 2: It's uncomfortable collecting protected characteristics…; 3: 'I don't think [service users] are as representative as they could be'; 4: A conventional rehabilitation programme does not meet the needs of all.</p><p><strong>Conclusions: </strong>This study highlighted several challenges in HCPs understanding of protected characteristics and the representativeness of PR that must be addressed to ensure equity. Strategies, to understand barriers in accessing PR that limit representativeness should be explored.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731241307253"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11733882/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142982900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remote assessment of exercise capacity in adults with chronic respiratory disease: Safety, reliability and acceptability.","authors":"Narelle S Cox, Simone Dal Corso, Angela T Burge, Janet Bondarenko, Jaycie Perryman, Anne E Holland","doi":"10.1177/14799731251318033","DOIUrl":"10.1177/14799731251318033","url":null,"abstract":"<p><strong>Objectives: </strong>To assess the safety, reliability and acceptability of the modified incremental step test (MIST) supervised remotely via videoconferencing in adults with chronic respiratory disease.</p><p><strong>Methods: </strong>Adults with chronic respiratory disease undertaking pulmonary rehabilitation were invited to undertake the MIST under two testing conditions: in-person supervision and remote supervision via video-conferencing. Test order was randomised.</p><p><strong>Results: </strong>38 participants (<i>n</i> = 18 Female; mean (SD) age 68 (10) years; 56% chronic obstructive pulmonary disease) undertook two MIST evaluations. There was excellent agreement between tests for total step count (ICC_2,1 0.93, 95%CI 0.86 to 0.96), despite higher counts with in-person supervision (MD 12 steps, 95%CI 1 to 24). There was very good agreement, and no difference between tests, for nadir oxygen saturation (ICC_2,1 0.797, 95%CI 0.643 to 0.889) and peak heart rate (ICC_2,1 0.782, 95%CI 0.620 to 0.880). Participant satisfaction with telehealth was high, and confidence was not different between testing conditions. There were no adverse events and remote testing was acceptable to participants.</p><p><strong>Discussion: </strong>In this single centre cohort study MIST supervised remotely via video-conferencing was safe, reliable and acceptable to people with chronic respiratory disease.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731251318033"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11780657/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143064135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The experience of adults with cystic fibrosis using long-term domiciliary non-invasive ventilation.","authors":"Jocelyn Choyce, Alistair Hewison, Amelia Swift, Joanna L Whitehouse","doi":"10.1177/14799731241249476","DOIUrl":"10.1177/14799731241249476","url":null,"abstract":"<p><p><b>Background:</b> The use of non-invasive ventilation (NIV) in patients with advanced cystic fibrosis (CF) has increased in recent years. Research evidence supports its clinical benefits, but less is known about the patients' experience of its long-term use in a domiciliary setting.<b>Objective:</b> To investigate patients' lived experience of using long-term domiciliary NIV.<b>Methods:</b> Semi-structured, qualitative interviews were conducted with adults with CF using long-term domiciliary NIV for respiratory failure. The data collected were subject to thematic analysis.<b>Results:</b> Nine adults (6 female), 5 of whom were awaiting lung transplantation, with a mean age of 39 years and mean FEV₁ per cent predicted of 28%, were recruited. Data analysis revealed 2 themes: gratitude, and determination despite challenges. Patients identified some troubling side effects from NIV but were grateful for its symptomatic relief and were determined to continue using it to improve their quality of life.<b>Conclusions:</b> Participants reported experiences of NIV to be generally positive in terms of symptom relief and quality of life. These findings provide an initial insight into patients' experience of NIV and have the potential to help guide and improve care.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731241249476"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11775957/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143058065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>Aspergillus</i> IgG antibody testing in the diagnosis of hypersensitivity pneumonitis: A scoping review.","authors":"Lana Hatim, David W Denning","doi":"10.1177/14799731251326592","DOIUrl":"10.1177/14799731251326592","url":null,"abstract":"<p><p>BackgroundDiagnosis of hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis requires a combination of tests with antibody testing playing a supportive role to identify exposures.ObjectivesWe conducted a scoping review on <i>Aspergillus</i> antibody testing in <i>Aspergillus</i>-related HP to identify the utility and diagnostic cutoffs proposed in the literature. We compared these cutoffs with studies of chronic pulmonary aspergillosis (CPA) and manufacturers' cutoffs.Eligibility criteriaOnly studies addressing the diagnostic value of <i>Aspergillus</i> IgG or precipitins for HP were included. Separately papers defining cutoffs for CPA were tabulated.Sources of evidencePublished papers were identified in literature searches in Embase, Web of Science, and Medline.ResultsWe identified 414 papers, of which 12 were included, all published between 1965 and 2005. Occupational HP linked to <i>Aspergillus</i> spp. exposure included Farmer's Lung, Malt-Worker's Lung, Esparto Worker's Lung, and Woodworker's lung (Sawmill-workers). No studies directly addressed serological testing in Tobacco Worker's lung, Compost Lung, or poultry workers. Among <i>Aspergillus</i> species exposure, <i>A. fumigatus</i> was most commonly described; others included <i>A. umbrosus</i> (now <i>A. glaucus</i>), <i>A. clavatus</i>, and <i>A. niger</i>. Antibody tests included ELISA, BALISA, precipitin tests and ImmunoCAP, with a higher sensitivity of ELISA and ImmunoCAP tests compared to precipitin tests. Patients with HP linked to <i>Aspergillus</i> exposures, were positive in 156/290 (53.8%) compared to 96/615 (15.6%) in those with similar occupational exposures without HP. In malt workers with HP 35/53 (66%) had detectable <i>A.</i> <i>clavatus</i> IgG antibody compared to 0/53 <i>A. fumigatus</i> IgG, and 13/74 (18%) exposed but unaffected workers, but are not commercially available.ConclusionsImproved means of establishing or ruling out <i>Aspergillus</i> exposure are required, given the negative consequences for patients of continued <i>Aspergillus</i> inhalation. Modern studies with commercially available <i>Aspergillus</i> IgG antibody assays are required to define appropriate cutoffs for HP, given numerous studies published for chronic pulmonary aspergillosis.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731251326592"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12033569/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143956649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Staging of obesity-associated hypoventilation in patients with morbid obesity scheduled for bariatric surgery.","authors":"Aleksander Kania, Justyna Tęczar, Natalia Celejewska-Wójcik, Piotr Major, Kamil Polok","doi":"10.1177/14799731251338269","DOIUrl":"10.1177/14799731251338269","url":null,"abstract":"<p><p><b>Background:</b> Almost 20% of Polish citizens aged >15 years are obese and this number is increasing. Numerous obesity-associated diseases include, quite notably, also sleep-related breathing disorders and hypoventilation. This study aimed to analyse the prevalence of obesity hypoventilation syndrome (OHS) and hypoventilation staging in a group of patients qualified for bariatric surgery within the Comprehensive Specialist Care in Bariatrics (KOS-BAR) pilot program designed and running in Poland since 2021. <b>Methods:</b> Prior to the bariatric procedure, the participants were referred to a pulmonologist for assessment. We retrospectively analysed the records of 134 patients. <b>Results:</b> Almost all of the tested bariatric patients (<i>n</i> = 122, 91.0%) had obstructive sleep apnea mainly classified as severe (59.0%). Hypoventilation was confirmed in 30 patients (22.4%), and in 37.9% of them, increased levels of serum bicarbonate were found. Chronic diurnal hypercapnia was confirmed in 7.9% of patients (10/122). <b>Conclusions:</b> Hypoventilation as well as obstructive sleep apnea in the obese population is a significant issue. The presented study group included patients in stages 0-IV of obesity-associated hypoventilation. The conducted analysis suggests that the most common form of hypoventilation among patients qualified for bariatric surgery is obesity-associated sleep hypoventilation (stage I).</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731251338269"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12034952/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143984970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence and characteristics of adults with preserved ratio impaired spirometry (PRISm): Data from the BOLD Australia study.","authors":"Yijun Zhou, Maria R Ampon, Michael J Abramson, Alan L James, Graeme P Maguire, Richard Wood-Baker, David P Johns, Guy B Marks, Helen K Reddel, Brett G Toelle","doi":"10.1177/14799731241312687","DOIUrl":"10.1177/14799731241312687","url":null,"abstract":"<p><p><b>Background:</b> Individuals with Preserved Ratio Impaired Spirometry (PRISm), defined as FEV₁/FVC ≥0.7 and FEV1 <80% predicted, are at higher risk of developing COPD. However, data for Australian adults are limited. We aimed to describe prevalence of PRISm and its relationship with clinical characteristics in Australia. <b>Method:</b> Data from the Burden of Lung Disease (BOLD) Australia study of randomly selected adults aged ≥40 years from six sites was classified into airflow limitation, PRISm, or normal spirometry groups. Demographic, clinical characteristics, and lung function were compared between groups. <b>Results:</b> Of the study sample (<i>n</i> = 3518), 387 (11%) had PRISm, 549 (15.6%) had airflow limitation, and 2582 (73.4%) had normal spirometry. PRISm was more common in Indigenous Australian adults. Adults with PRISm had more frequent respiratory symptoms, more comorbidities, greater health burden and poorer quality of life than those with normal spirometry. Pre- and post-bronchodilator FEV₁ and FVC were lower in adults with PRISm than those with airflow limitation. Adults with PRISm were less likely to use respiratory medicine than those with airflow limitation (OR = 0.56, 95% CI 0.38-0.81). <b>Conclusions:</b> PRISm was present in 11% of adults in this study and they had similar respiratory symptoms and health burden as adults with airflow limitation.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731241312687"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11755527/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143022289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correlations between exercise oxygen consumption, lung function, image findings, and quality of life in adults with post-tuberculosis lung disease.","authors":"Marcela Pinto Venâncio Lourenço da Silva, Paulo Victor Leandro da Silva Pinto, Iasmim Maria Pereira Pinto Fonseca, Lucas Silva de Lima, Alícia Sales Carneiro, Walter Costa, Ana Paula Santos, Agnaldo José Lopes","doi":"10.1177/14799731251345492","DOIUrl":"10.1177/14799731251345492","url":null,"abstract":"<p><p>The aim of this study is to evaluate the correlations of peak oxygen uptake (VO2peak) with lung mechanics, radiographic abnormalities, and quality of life (QoL) in adults with post-tuberculosis lung disease (PTLD). This is a cross-sectional study in which 60 adults with PTLD underwent a cardiopulmonary exercise test (CPET). Additionally, the following assessments were performed: spirometry, impulse oscillometry (IOS), chest X-ray (CXR), and QoL using the WHOQOL-BREF. The mean peak oxygen uptake (VO_2peak) was 16.1 ± 6.8 ml/kg/min. There were positive correlations between VO_2peak and several parameters, including height, physical-WHOQOL-BREF, and forced vital capacity (FVC). There were negative correlations between VO_2peak and several parameters, including age, heterogeneity of resistance between 5 and 20 Hz, frequency response (Fres), and reactance-area. In IOS, patients with small airway disease (SAD) had a lower VO_2peak. Regarding CXR, only cavitation and nodular opacities were associated with a lower VO_2peak. In multivariate analysis, FVC, age, male sex, and Fres explained 65.2% of the variability in VO_2peak. In conclusion, there is a relationship between VO_2peak and lung mechanics in patients with PTLD. In these patients, IOS is able to detect more pulmonary mechanical alterations than spirometry, including those reflecting SAD. Thus, the use of both CPET and IOS may aid in the monitoring of patients with PTLD.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731251345492"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12099090/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144126835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The prevalence of metabolic syndrome in chronic obstructive pulmonary disease: A systematic review and meta-analysis.","authors":"Hassan Alrabbaie, Mohammad Al-Wardat, Mohammad Etoom, Marla Beauchamp, Roger Goldstein, Dina Brooks","doi":"10.1177/14799731251346194","DOIUrl":"10.1177/14799731251346194","url":null,"abstract":"<p><p>ObjectiveMetabolic syndrome (MetS) is a cluster of factors that increase the risk of cardiovascular disease and type 2 diabetes. It is highly prevalent among patients with Chronic Obstructive Pulmonary Disease (COPD). This systematic review and meta-analysis assessed MetS prevalence in COPD patients, focusing on variations by gender, diagnostic criteria, and disease severity.MethodsWe systematically searched MEDLINE, Embase, Scopus, and CINAHL. Two reviewers independently extracted data using a standardized form, and study quality was assessed with the Joanna Briggs Institute checklist. Prevalence rates, with 95% confidence intervals (CI), were calculated using a random-effects model. Subgroup analyses by sex, COPD severity, and MetS components were conducted.ResultsForty-two studies, including 54,278 COPD patients, were analyzed. Overall, the prevalence of MetS was 37% (95% CI: 30.6-43.8%; I² = 99.03%, p < 0.001). Prevalence was 48% (95% CI 38.1 to 57.5) in males and 43% (95% CI 38.3 to 48.8) in females. Among studies using the Alberti definition, the pooled prevalence was 46% (95% CI 35.6 to 56.3). Patients with GOLD stage II showed a prevalence of 44% (95% CI 37.3 to 50.4). The most common MetS components were Hypertension 58% (95% CI 47.2 to 68.0) and increased waist circumference 51% (95% CI 37.1 to 64.6).ConclusionMetS is highly prevalent among COPD patients. Standardized diagnostic criteria are needed, and early detection with integrated care is recommended.</p>","PeriodicalId":10217,"journal":{"name":"Chronic Respiratory Disease","volume":"22 ","pages":"14799731251346194"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12106998/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144141865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}