{"title":"High prevalence of undiagnosed and treatment-requiring obstructive sleep apnea and nocturnal desaturation in outpatients with severe chronic obstructive pulmonary disease","authors":"","doi":"10.1016/j.rmed.2024.107771","DOIUrl":"10.1016/j.rmed.2024.107771","url":null,"abstract":"","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141983146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Onion consumption is protective against asthma risk in children: ROAD to health population-based cohort study","authors":"","doi":"10.1016/j.rmed.2024.107767","DOIUrl":"10.1016/j.rmed.2024.107767","url":null,"abstract":"","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141976508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"In COPD- right treatment, right patient, right time, right approach?","authors":"","doi":"10.1016/j.rmed.2024.107769","DOIUrl":"10.1016/j.rmed.2024.107769","url":null,"abstract":"","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141976507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparison of race-specific and race-neutral GLI spirometric reference equations with an Indian reference equation","authors":"","doi":"10.1016/j.rmed.2024.107764","DOIUrl":"10.1016/j.rmed.2024.107764","url":null,"abstract":"<div><h3>Background</h3><p>Despite the increasing popularity and use of Global Lung Function Initiative (GLI) spirometric reference equations, the appropriateness of the race-specific and race-neutral GLI spirometric reference models among the Indian population has not been systematically investigated.</p></div><div><h3>Methods</h3><p>In this cross-sectional analysis, we used spirometric measurements of 1123 healthy Indian adults (≥18 years of age). We computed reference values and z-scores for forced vital capacity (FVC), forced expiratory volume in 1 s (FEV<sub>1</sub>), and FEV<sub>1</sub>/FVC from race-specific and race-neutral GLI reference equations as well as from a widely used Indian reference equation. We studied heterogeneity between GLI equations and the Indian equations using Bland-Altman analysis, and the differences between the reference and observed values were compared using the Friedman test.</p></div><div><h3>Results</h3><p>In Bland-Altman analysis, significant heterogeneity in FVC and FEV<sub>1</sub> between race-specific and Indian equations was observed (bias: 10.4 % and 14.1 %, respectively), with less bias for FEV<sub>1</sub>/FVC (3.76 %). The race-neutral equations showed almost similar bias (9.8 %, 13.8 %, and 3.8 % for FVC, FEV<sub>1</sub>, and FEV<sub>1</sub>/FVC, respectively). Median differences in race-specific reference values from observed values for FVC and FEV<sub>1</sub> were 0.49L and 0.44L, respectively, decreasing slightly with race-neutral equations (0.46L and 0.43L) whereas Indian models showed minimal differences (FVC: 0.10L, FEV<sub>1</sub>: 0.05L). Z-scores for FVC and FEV<sub>1</sub> were significantly different between race-specific and race-neutral GLI equations, and both differed from Indian equations.</p></div><div><h3>Conclusion</h3><p>Both race-specific and race-neutral GLI reference equations are significantly different from the Indian equations, which underscores the importance of determining the suitability of global reference models before being used indiscriminately.</p></div>","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141971744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Short-term intermittent hypoxia exposure for dyspnea and fatigue in post-acute sequelae of COVID-19: A randomized controlled study","authors":"","doi":"10.1016/j.rmed.2024.107763","DOIUrl":"10.1016/j.rmed.2024.107763","url":null,"abstract":"<div><h3>Background</h3><p>Post-acute sequelae of COVID-19 (PASC) is incurring a huge health and economic burden worldwide. There is currently no effective treatment or recommended drug for PASC.</p></div><div><h3>Methods</h3><p>This prospective randomized controlled study was conducted in a hospital in China. The effect of intermittent hypoxia exposure (IHE; 5-min hypoxia alternating with 5-min normal air, repeated five times) on dyspnea and fatigue was investigated in patients meeting the NICE definition of PASC. Patients were computationally randomized to receive normoxia exposure (NE) and routine therapy or IHE and routine therapy. Six-minute walk distance (6MWD) and spirometry were tested before and after the interventions; the Borg Dyspnea Scale (Borg) and the modified Medical Research Council Dyspnea Scale (mMRC) were used to assess dyspnea; and the Fatigue Assessment Scale (FAS) and the Chalder Fatigue Scale-11 (CFQ-11) were used to assess fatigue. The study was registered in the Chinese Clinical Trial Registry (ChiCTR2300070565).</p></div><div><h3>Findings</h3><p>Ninety-five participants (33 males and 62 females) were recruited between March 1, 2023 and December 30, 2023. Forty-seven patients in the IHE group received 10.0 (9.0, 15.0) days of IHE, and 48 patients in NE group received 10.0 (8.0, 12.0) days of NE. 6MWD, forced vital capacity (FVC), FVC %pred, forced expiratory volume in 1 s (FEV<sub>1</sub>), FEV<sub>1</sub> %pred, tidal volume (V<sub>T</sub>), and dyspnea and fatigue scales markedly improved after IHE (p < 0.05), and improvements were greater than in the NE group (all p < 0.05). Furthermore, participants in IHE group had better subjective improvements in dyspnea and fatigue than those in the NE group (p < 0.05). Compared with <10 days of IHE, ≥10 days of IHE had a greater impact on 6MWD, FVC, FEV<sub>1</sub>, FEV<sub>1</sub> %pred, V<sub>T</sub>, FAS, and CFQ-11. No severe adverse events were reported.</p></div><div><h3>Interpretation</h3><p>IHE improved spirometry and 6MWD and relieved dyspnea and fatigue in PASC patients. Larger prospective studies are now needed to verify these findings.</p></div>","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141913728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Supporting vaccine (co)-administration decisions: Development and validation of a tool for assessing the risk of severe outcomes due to lower respiratory tract infections","authors":"","doi":"10.1016/j.rmed.2024.107761","DOIUrl":"10.1016/j.rmed.2024.107761","url":null,"abstract":"<div><h3>Objective</h3><p>To develop and validate a score to predict the 90-day risk of hospitalization/death in patients with low respiratory tract infections (LRTIs) with the aim to support clinical decision making on vaccine (co)-administration.</p></div><div><h3>Methods</h3><p>We formed a cohort of patients aged 18 years or older being diagnosed with LRTIs in the period between January 1, 2012 and December 31, 2022. Each patient was followed until occurrence of respiratory-related hospitalization/death up to the end of the study period (December 31, 2022). Along with age and sex, forty determinants were adopted to assemble the respiratory tract infection (RTI)-Health Search (HS) core using the development sub-cohort. The prediction accuracy of the score was therefore assessed in the validation sub-cohort.</p></div><div><h3>Results</h3><p>We identified 252,319 patients being diagnosed with LRTIs (females: 54.7 %; mean age: 60 (SD:18.1)). When the risk of LRTIs-related hospitalizations/deaths was estimated via RTI-HScore, its predicted value was equal to 1.4 % over a 90-day event horizon. The score showed explained variation and discrimination accuracy were equal to 45 % (95 % CI: 44–47 %) and 81 % (95 % CI: 79–84 %), respectively. The calibration slope did not significantly differ from the unit (p = 0.8314).</p></div><div><h3>Conclusions</h3><p>The RTI-HScore was featured by good accuracy for prediction of LRTIs-related complications over a 90-day follow-up. Such a tool might therefore support general practitioners to enhance patients’ care by facilitating approaches for (co)-administration of vaccines for respiratory infections through a score-based decision support system.</p></div>","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141907595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Nasal high flow or noninvasive ventilation? navigating hypercapnic COPD exacerbation treatment: A randomized noninferiority clinical trial","authors":"","doi":"10.1016/j.rmed.2024.107762","DOIUrl":"10.1016/j.rmed.2024.107762","url":null,"abstract":"<div><h3>Background</h3><p>Noninvasive ventilation (NIV) has been the cornerstone for managing acute exacerbations of COPD (AECOPD) with hypercapnic respiratory failure. Nasal high flow (NHF) oxygen therapy has emerged as a potential alternative, offering a more tolerable modality with promising outcomes. The aim of the present study was to evaluate whether NHF respiratory support is noninferior to NIV with respect to treatment failure, in patients with mild-to-moderate hypercapnic AECOPD.</p></div><div><h3>Methods</h3><p>In this multi-center, randomized, noninferiority trial, 105 patients with AECOPD and respiratory failure type II were enrolled. Participants were randomly assigned to receive either NHF therapy or NIV. The primary endpoint was the frequency of treatment failure, defined as the need for intubation and invasive mechanical ventilation or a switch to the alternative treatment group. Secondary endpoints included changes in respiratory parameters, patient comfort indicators, and the occurrence of complications.</p></div><div><h3>Results</h3><p>The findings revealed no significant difference in the primary outcome between the groups, with a treatment failure rate of 19.6 % (10 out of 51) in the NHF group and 14.8 % (8 out of 54) in the NIV group. Interestingly, NHF users reported significantly lower levels of dyspnea and discomfort at multiple follow-up points. Despite the differences in patient comfort, respiratory parameters such as respiratory rate, arterial blood gases, and use of accessory muscles of respiration showed no significant disparities between the groups throughout the study period.</p></div><div><h3>Conclusions</h3><p>NHF therapy was similar to NIV in preventing treatment failure among patients with hypercapnic AECOPD, offering a viable alternative with enhanced comfort.</p></div><div><h3>Trial registration</h3><p>The study was prospectively registered in <span><span>ClinicalTrials.gov</span><svg><path></path></svg></span> (Identifier: NCT03466385) on March 15, 2018.</p></div>","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141902758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of the quantity and quality of erector spinae muscles on the short-term prognosis of elderly patients with aspiration pneumonia in Japan","authors":"","doi":"10.1016/j.rmed.2024.107746","DOIUrl":"10.1016/j.rmed.2024.107746","url":null,"abstract":"<div><h3>Background</h3><p>Whether muscle mass and muscle quality affect the prognosis of elderly patients with aspiration pneumonia is unclear. This study aimed to evaluate the relationship between erector spinae muscle mass and muscle quality on the 30-day prognosis of elderly patients with aspiration pneumonia.</p></div><div><h3>Methods</h3><p>Two hundred fifty-eight patients who were diagnosed with aspiration pneumonia and admitted to Sanuki Municipal Hospital for pulmonary rehabilitation intervention were included. The cross-sectional area (ESM<sub>CSA</sub>/BSA) and CT values (ESM<sub>CT</sub>) of the erector spinae muscles at the 12th thoracic vertebra were measured on chest CT images to represent muscle mass and quality, respectively. The primary outcome was defined as 30-day survival.</p></div><div><h3>Results</h3><p>Twenty-six patients died within 30 days after hospitalization. The ESM<sub>CSA</sub>/BSA ratio was significantly greater in the survival group than in the nonsurvival group (<em>p</em> = 0.001). The cutoff values for 30-day survival were calculated as follows: the ESM<sub>CSA</sub>/BSA was 11.046 cm<sup>2</sup>/m<sup>2</sup> in male patients and 9.600 cm<sup>2</sup>/m<sup>2</sup> in female patients; the ESM<sub>CT</sub> was 26.85 HU in male patients and 8.00 HU in female patients. A higher ESM<sub>CSA</sub>/BSA significantly improved 30-day survival, while ESM<sub>CT</sub> did not show a significant difference. Cox proportional hazards regression analysis revealed that the ESM<sub>CSA</sub>/BSA was independently associated with 30-day short-term prognosis (hazard ratio 0.34, <em>p</em> = 0.034).</p></div><div><h3>Conclusion</h3><p>The short-term prognosis of elderly patients with aspiration pneumonia may be more strongly influenced by muscle mass than by the muscle quality of the erector spinae muscles.</p></div>","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S095461112400221X/pdfft?md5=7073abe0ac6a9d0672f65fca22c9dc3f&pid=1-s2.0-S095461112400221X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141894143","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":"Efficacy and safety of simultaneous combined Zephyr and Spiration valve therapy in patients with advanced pulmonary emphysema","authors":"","doi":"10.1016/j.rmed.2024.107760","DOIUrl":"10.1016/j.rmed.2024.107760","url":null,"abstract":"<div><h3>Background</h3><p>Endoscopic lung volume reduction with valves is a minimally invasive treatment strategy for patients with severe pulmonary emphysema. Two valve systems are currently available: Zephyr and Spiration valves. As these can be implanted simultaneously in the same procedure, the question arose as to the effect on lung function, exercise capacity and subjective disease perception after combined valve treatment.</p></div><div><h3>Methods</h3><p>We conducted a retrospective analysis of 108 patients with combined, simultaneous treatment of Zephyr and Spiration valves. The decision on which and how many valves to implant was based on the individual patient anatomy. Effects on lung function, exercise capacity and atelectasis formation as well as complications were evaluated 90- and 180-days post-treatment (90d-FU and 180d-FU).</p></div><div><h3>Results</h3><p>At 90d-FU (n = 90), the mean change was 86.7 ± 183.7 mL for FEV<sub>1</sub> and -645.3 ± 1276.5 mL for RV, with responder rates of 39.8 % and 46.5 %, respectively. Complete atelectasis occurred in 16.7 % and partial atelectasis in 25.5 % of patients. Six-minute walking distance increased by 27.00 m [-1.50 – 68.50m]. The rates of pneumothorax (10.2 %) 6 months after treatment were not higher than in randomized controlled trials (RCTs). Likely due to the inclusion of high-risk patients, there was a higher incidence of severe COPD exacerbation (21.3 %) and pneumonia (12.0 %) compared to RCTs.</p></div><div><h3>Conclusions</h3><p>The combined implantation of Zephyr and Spiration valves resulted in significant clinical and functional improvements with an acceptable risk profile. Therefore, the ability to combine both valve types in severe emphysema could be a promising option in endoscopic lung volume reduction.</p></div>","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S095461112400235X/pdfft?md5=d6966f2d4a6cb8fafa59ab6982859fff&pid=1-s2.0-S095461112400235X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141890059","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":"Lower physical activity levels in youth with Cystic Fibrosis compared to healthy controls: A multicentre comparative study","authors":"","doi":"10.1016/j.rmed.2024.107749","DOIUrl":"10.1016/j.rmed.2024.107749","url":null,"abstract":"<div><h3>Background</h3><p>Regular physical activity (PA) offers significant health benefits on both short (i.e., emotional well-being) and long term (i.e., fewer hospitalizations) in Youth with Cystic Fibrosis (YwCF). Regardless, evidence on PA levels in YwCF compared to healthy controls (HC) is inconsistent. Additionally, PA is a multidimensional outcome influenced by several factors such as Quadriceps strength and functional performance. Therefore, we aimed to assess whether PA, Quadriceps strength and functional performance differ between YwCF and HC across different age groups (i.e., children and adolescents).</p></div><div><h3>Methods</h3><p>YwCF aged 6–17 from two Belgian CF centres and age- and sex-matched HC were recruited. PA was measured with an ActiGraph GT3X + BT during 7 consecutive days. Isometric Quadriceps strength was assessed with a Hand Held Dynamometer and functional performance with a sit-to stand test (STS) and standing long jump (SLJ).</p></div><div><h3>Results</h3><p>A total of 49 YwCF (44 % male; 11.3 ± 3.3 years) and 49 HC (48 % male; 11.9 ± 3.5 years) were included. On average days, YwCF performed 4 ± 6.4 min less light PA and 7.5 ± 6.7 min less moderate-to-vigorous PA compared to HC (<em>p</em> = 0.04; <em>p</em> = 0.01). The differences in moderate-to-vigorous PA seem more pronounced in children (6–11 years)(<em>p</em> = 0.04). Furthermore, YwCF had similar Quadriceps strength to HC but had lower scores on the STS and SLJ (<em>p</em> = 0.50, <em>p</em> = 0.08; <em>p</em> = 0.02).</p></div><div><h3>Conclusions</h3><p>This study shows lower PA levels and functional performance for YwCF, indicating that there is an urgent need for interventions promoting PA in YwCF. PA promotion will become increasingly important in the post modulator area to prevent health risks associated with low PA.</p></div>","PeriodicalId":21057,"journal":{"name":"Respiratory medicine","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141875816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}