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Chotirmall SH, Abisheganaden JA, Chew FT, See KC, Cove ME, Goh AEN, Koh MS, Loh CH, Phua J, Lim AYH. Letter from Singapore: Thirty years of progress in clinical care and research. Respirology 2023; 28:966-968. [PMID: 37648425 DOI: 10.1111/resp.14584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/02/2023] [Indexed: 09/01/2023]
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Coleman CM, Wang B, Wang Y, Tapia-Brito E, Chen Z, Riffat J, Riffat S, Tarlinton R, Ghaemmaghami A. Antiviral activity of salt-coated materials against SARS-CoV-2. Access Microbiol 2023; 5:000492.v5. [PMID: 37841099 PMCID: PMC10569654 DOI: 10.1099/acmi.0.000492.v5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 09/04/2023] [Indexed: 10/17/2023] Open
Abstract
The SARS-CoV-2 pandemic demonstrated the importance of human coronaviruses and the need to develop materials to prevent the spread of emergent respiratory viruses. Coating of surfaces with antiviral materials is a major interest in controlling spread of viruses, especially in high-risk or high-traffic areas. A number of different coatings for surfaces have been proposed, each with their own advantages and disadvantages. Here we show that simple salt coating on a range of surfaces, including a novel biomass aerogel can reduce the infectivity of SARS-CoV-2 placed onto the surface. This suggests that a simple to apply coating could be applied to a range of materials and have an antiviral effect against SARS-CoV-2, as well as other potential emerging viruses.
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Moody SJ, Johnson L, Moody T. Dual M. kansasii infection in one household: a reconsideration of our understanding of transmission routes. BMJ Case Rep 2023; 16:e254448. [PMID: 37739447 PMCID: PMC10533662 DOI: 10.1136/bcr-2022-254448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/24/2023] Open
Abstract
Mycobacterium kansasii is one of the the most common non-tuberculous mycobacteria responsible for opportunistic human infection. Unlike M. tuberculosis, transmission remains poorly understood; spread is assumed to be from a shared geographical source, such as domestic plumbing, and human-to-human transmission is generally not considered by clinicians when evaluating patients and their environments. We describe M. kansasii infection in a husband and wife in the same household and in the same period, suggesting, in these cases, that transmission occurred directly from one patient to the other. This possibility of human-to-human transmission may inform a clinician's scrutiny of risks to household contacts in cases of M. kansasii infection.
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Lim MSR, Loh AHP, Gareth JP, Ong LY, Thomas B. Solitary pulmonary nodule in an early adolescent. BMJ Case Rep 2023; 16:e256081. [PMID: 37696606 PMCID: PMC10496703 DOI: 10.1136/bcr-2023-256081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2023] Open
Abstract
An early adolescent boy presented with 1-week history of left-sided chest pain, localised to the anterior aspect of seventh intercostal space. A chest radiograph revealed a round opacity measuring 2.6×2.4 cm in the left mid zone. A CT scan of the chest confirmed a solitary well-circumscribed pulmonary nodule measuring 2.7×2.4 cm in the central left upper lobe, adjacent to the anterior segmental bronchus. Positron emission tomography scan showed mild to moderate fluorodeoxyglucose uptake (maximum standardized uptake value 5.2) in the nodule. He underwent a video-assisted left upper lobectomy. Histology of the nodule was consistent with sclerosing pneumocytoma, a rare benign lung neoplasm that occurs predominantly in middle-aged women of Asian descent. This case highlights the challenges in diagnosis and management of solitary pulmonary nodules in children, especially those who remain symptomatic or only have minimal symptoms and provides a pragmatic approach to this condition.
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Travers CP, Carlo WA, Nakhmani A, Laney D, Chahine RA, Aban I, Ambalavanan N. Late permissive hypercapnia and respiratory stability among very preterm infants: a pilot randomised trial. Arch Dis Child Fetal Neonatal Ed 2023; 108:530-534. [PMID: 36914233 PMCID: PMC10578058 DOI: 10.1136/archdischild-2022-325166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 02/27/2023] [Indexed: 03/16/2023]
Abstract
OBJECTIVE Determine if targeting higher transcutaneous carbon dioxide improves respiratory stability among very preterm infants on ventilatory support. DESIGN Single-centre pilot randomised clinical trial. SETTING The University of Alabama at Birmingham. PATIENTS Very preterm infants on ventilatory support after postnatal day 7. INTERVENTIONS Infants were randomised to two different transcutaneous carbon dioxide levels targeting 5 mm Hg (0.67 kPa) changes with four sessions each lasting 24 hours for 96 hours: baseline-increase-baseline-increase or baseline-decrease-baseline-decrease. MAIN OUTCOME MEASURES We collected cardiorespiratory data evaluating episodes of intermittent hypoxaemia (oxygen saturations (SpO2)<85% for ≥10 s), bradycardia (<100 bpm for ≥10 s), and cerebral and abdominal hypoxaemia on near-infrared spectroscopy. RESULTS We enrolled 25 infants with a gestational age of 24 w 6 d±11 d (mean±SD) and birth weight 645±142 g on postnatal day 14±3. Continuous transcutaneous carbon dioxide values (56.8±6.9 in the higher group vs 54.5±7.8 in the lower group; p=0.36) did not differ significantly between groups during the intervention days. There were no differences in intermittent hypoxaemia (126±64 vs 105±61 per 24 hours; p=0.30) or bradycardia (11±16 vs 15±23 per hour; p=0.89) episodes between groups. The proportion of time with SpO2<85%, SpO2<80%, cerebral hypoxaemia or abdominal hypoxaemia did not differ (all p>0.05). There was moderate negative correlation between mean transcutaneous carbon dioxide and bradycardia episodes (r=-0.56; p<0.001). CONCLUSION Targeting 5 mm Hg (0.67 kPa) changes in transcutaneous carbon dioxide did not improve respiratory stability among very preterm infants on ventilatory support but the intended carbon dioxide separation was difficult to achieve and maintain. TRIAL REGISTRATION NUMBER NCT03333161.
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Wasim Jamal SM, Hussein M, Albakri M, Rasheed I, Hameed M, Ul Haq I, Thomas M, Al Bozom I, Abdul Sattar H. Primary intrapulmonary thymoma a case report. Clin Case Rep 2023; 11:e6897. [PMID: 37720714 PMCID: PMC10502198 DOI: 10.1002/ccr3.6897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/05/2023] [Accepted: 01/07/2023] [Indexed: 09/19/2023] Open
Abstract
Primary intrapulmonary thymoma (PIT), defined as the presence of thymoma tissue in the lung without an accompanying mediastinal component, is uncommon and so offers a diagnostic quandary. We describe the case of PIT in an 81-year-old man.
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Seddon PC, Willson R, Olden C, Symes E, Lombardi E, Beydon N. Bronchodilator response by interrupter technique to guide management of preschool wheeze. Arch Dis Child 2023; 108:768-773. [PMID: 37258055 DOI: 10.1136/archdischild-2022-324496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 05/10/2023] [Indexed: 06/02/2023]
Abstract
OBJECTIVE We examined relationships between clinical features and pulmonary function before and after inhaled corticosteroid (ICS) treatment in wheezy preschool children, and specifically, whether measuring bronchodilator response (BDR) could predict benefit from ICS. DESIGN Clinical non-randomised intervention study SETTING: Secondary care. PATIENTS Preschool children (2 years to <6 years) with recurrent wheeze. INTERVENTIONS Inhaled beta-agonist, ICS. OUTCOME MEASURES We measured prebronchodilator and postbronchodilator interrupter resistance (Rint) and symptom scores at 0 (V1), 4 (V2) and 12 (V3) weeks. At V2, those with a predetermined symptom level commenced ICS. Modified Asthma Predictive Index (mAPI) and parental perception of response to bronchodilator were recorded. Response to ICS was defined as a reduction in daily symptom score of >0.26. Positive BDR was defined as fall in Rint of ≥0.26 kPa.s/L, ≥35% predicted or ≥1.25 Z Scores. RESULTS Out of 138 recruited children, 67 completed the full study. Mean (SD) prebronchodilator Rint at V2 was 1.22 (0.35) kPa.s/L, and fell after starting ICS (V3) to 1.09 (0.33) kPa.s/L (p<0.001), while mean (SD) daily symptom score fell from 0.56 (0.36) to 0.28 (0.36) after ICS (p<0.001). Positive Rint BDR before ICS (at V1 and/or V2), using all three threshold criteria, was significantly associated with response to ICS on symptom scores at V3 (p<0.05). mAPI was not significantly associated with response to ICS, and parents' perception of response to bronchodilator was not related to measured Rint BDR . CONCLUSIONS Rint BDR may be helpful in selecting which wheezy preschool children are likely to benefit from ICS.
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Szatkowski L, Fateh S, Abramson J, Kwok TC, Sharkey D, Budge H, Ojha S. Observational cohort study of use of caffeine in preterm infants and association between early caffeine use and neonatal outcomes. Arch Dis Child Fetal Neonatal Ed 2023; 108:505-510. [PMID: 36759167 DOI: 10.1136/archdischild-2022-324919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 01/31/2023] [Indexed: 02/11/2023]
Abstract
OBJECTIVE To quantify trends in caffeine use in infants born at <32 weeks' gestational age (GA), and to investigate the effects of early vs late caffeine on neonatal outcomes. STUDY DESIGN Retrospective propensity score matched cohort study using routinely recorded data from the National Neonatal Research Database of infants born at <32 weeks' GA admitted to neonatal units in England and Wales (2012-2020). RESULTS 89% (58 913/66 081) of infants received caffeine. In 70%, caffeine was started early (on the day of birth or the day after), increasing from 55% in 2012 to 83% in 2020. Caffeine was given for a median (IQR) of 28 (17-43) days starting on day 2 (1-3) and continued up to 34 (33-34) weeks postmenstrual age.In the propensity score matched cohort of 13 045 pairs of infants, the odds of preterm brain injury (early caffeine, 2306/13 045 (17.7%) vs late caffeine, 2528/13 045 (19.4%), OR=0.89 (95% CI 0.84 to 0.95)) and bronchopulmonary dysplasia (BPD) (early caffeine, 4020/13 045 (32.8%) vs late caffeine, 4694/13 045 (37.7%), OR=0.81 (95% CI 0.76 to 0.85)) were lower in the group that received early caffeine compared with those who received it later. CONCLUSIONS Early use of caffeine has increased in England and Wales. This is associated with reduced risks of BPD and preterm brain injury. Randomised trials are needed to find the optimal timing of caffeine use and the groups of infants who will benefit most from early administration of caffeine.
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Coutts J, Langley RJ. Toxic and addictive effects of nicotine on children and adolescents: are we sleepwalking into a public health disaster? Arch Dis Child 2023; 108:691-692. [PMID: 35948404 DOI: 10.1136/archdischild-2022-323891] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 08/05/2022] [Indexed: 11/04/2022]
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Kiyama T, Kitazawa K. Torsed extralobar pulmonary sequestration exhibiting characteristic MRI findings. BMJ Case Rep 2023; 16:e256993. [PMID: 37640421 PMCID: PMC10462935 DOI: 10.1136/bcr-2023-256993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023] Open
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Cheong HH, Sio FI, Chan CC, Neng SI, Sam IP, Cheang T, Tou WI, Lei HS, Cheong TF, Lao EPL, Cheong TH, Kuok CU, Lo IL. Clinical characteristics of COVID-19 patients infected by the Omicron variants in Macao, China: A cross-sectional study. Health Sci Rep 2023; 6:e1361. [PMID: 37404450 PMCID: PMC10316466 DOI: 10.1002/hsr2.1361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 05/26/2023] [Accepted: 06/07/2023] [Indexed: 07/06/2023] Open
Abstract
Background and Aims The evolving mutants of SARS-CoV-2 have made the COVID-19 pandemic sustained for over 3 years. In 2022, BA.4 and BA.5 were the Omicron variants dominating the spread globally. Although COVID-19 was no longer a Public Health Emergency of International Concern (PHEIC) as announced by WHO, the SARS-CoV-2 variants remain a challenge to global healthcare under the circumstances of withdrawal and loosening of personal protective behavior in the post-quarantine era. This study aims to acknowledge the clinical characteristics caused by Omicron BA.4/BA.5 in COVID-19 naive people and analyze possible factors affecting disease severities. Methods In this retrospective study, we report and analyze the clinical features of 1820 COVID-19 patients infected with the BA.4/BA.5 Omicron variants of SARS-CoV-2 during a local outbreak that occurred in Macao SAR, China, from June to July 2022. Results A total of 83.5% of patients were symptomatic eventually. The most common symptoms were fever, cough, and sore throat. Hypertension, dyslipidemia, and diabetes mellitus were the leading comorbidities. There were significantly more elderly patients (p < 0.001), more patients with comorbidity (p < 0.001) and more patients without vaccination or not completing the series (p < 0.001) in the "Severe to Critical" group. All deceased patients were elderly with at least three comorbidities and were partial to totally dependent in their daily lives. Conclusion Our data are consistent with a milder disease caused by BA.4/5 Omicron variants in the general population, while patients with old age and comorbidities have developed severe to critical diseases. Complete vaccination series and booster doses are effective strategies to reinforce protection against severe diseases and avoid mortality.
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Schiff A, Kamal R. A reflection on Salbutamol overuse in one GP practice in Islington: a community action project at Imperial College London. EDUCATION FOR PRIMARY CARE 2023; 34:233-236. [PMID: 37552236 DOI: 10.1080/14739879.2023.2241040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/18/2023] [Accepted: 07/22/2023] [Indexed: 08/09/2023]
Abstract
As 3rd-year medical students at Imperial College London, we investigated Salbutamol overuse in the community of Islington. We were inspired to carry out this project due to the high prevalence of Salbutamol overuse which became evident during our GP placement. This was part of our Community Action Project (CAP) which aims for students to investigate issues within their GP practice and patient population and create solutions to help overcome this, like a quality improvement project. This project focused on the local community around the GP practice. We spoke to 11 patients individually who were at high risk of severe asthma attacks, assessing their understanding of Salbutamol and their Salbutamol usage. Patients had varied responses, with some using their inhaler five times a day, to others using it very rarely. This project gave us newly found insight into the growing issue of Salbutamol overuse. Using the information gathered from these patient interviews, we produced an educational poster about Salbutamol inhaler usage.
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Davidson R, Carling M, Jackson K, Aujayeb A. Indwelling pleural catheters: evidence for and management. Postgrad Med J 2023; 99:416-422. [PMID: 37294731 DOI: 10.1136/postgradmedj-2021-141200] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 12/31/2021] [Indexed: 12/13/2022]
Abstract
The incidence of pleural disease is increasing, and pleural medicine is increasingly recognised as a subspecialty within respiratory medicine. This often requires additional training time. Once underresearched, the last decade has seen an explosion in evidence related to the management of pleural disease. One of the cornerstones of pleural effusion management is the insertion of an indwelling pleural catheter. This allows patient-centred outpatient management and now has a robust evidence base. This article summarises evidence as well serves as a practical guide to the management of any complications related to an indwelling pleural catheter that might present on an acute take.
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Lai TC, Walker PJB, Schrader S, McMinn A, Tosif S, Crawford NW, Cheng DR. COVID-19-associated croup severity in Australian children. Arch Dis Child 2023:archdischild-2023-325717. [PMID: 37217276 DOI: 10.1136/archdischild-2023-325717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/11/2023] [Indexed: 05/24/2023]
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Lanfang F, Xu M, Jun C, Jia Z, Wenchen L, Xinghua J. Developing a nomogram-based scoring model to estimate the risk of pulmonary embolism in respiratory department patients suspected of pulmonary embolisms. Front Med (Lausanne) 2023; 10:1164911. [PMID: 37265484 PMCID: PMC10229862 DOI: 10.3389/fmed.2023.1164911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 04/24/2023] [Indexed: 06/03/2023] Open
Abstract
Objective Pulmonary embolisms (PE) are clinically challenging because of their high morbidity and mortality. This study aimed to create a nomogram to accurately predict the risk of PE in respiratory department patients in order to enhance their medical treatment and management. Methods This study utilized a retrospective method to collect information on medical history, complications, specific clinical characteristics, and laboratory biomarker results of suspected PE patients who were admitted to the respiratory department at Affiliated Dongyang Hospital of Wenzhou Medical University between January 2012 and December 2021. This study involved a total of 3,511 patients who were randomly divided into a training group (six parts) and a validation group (four parts) based on a 6:4 ratio. The LASSO regression and multivariate logistic regression were used to develop a scoring model using a nomogram. The performance of the model was evaluated using receiver operating characteristic curve (AUC), calibration curve, and clinical decision curve. Results Our research included more than 50 features from 3,511 patients. The nomogram-based scoring model was established using six predictive features including age, smoke, temperature, systolic pressure, D-dimer, and fibrinogen, which achieved AUC values of 0.746 in the training cohort (95% CI 0.720-0.765) and 0.724 in the validation cohort (95% CI 0.695-0.753). The results of the calibration curve revealed a strong consistency between probability predicted by the nomogram and actual probability. The decision curve analysis (DCA) also demonstrated that the nomogram-based scoring model produced a favorable net clinical benefit. Conclusion In this study, we successfully developed a novel numerical model that can predict the risk of PE in respiratory department patients suspected of PE, which can not only appropriately select PE prevention strategies but also decrease unnecessary computed tomographic pulmonary angiography (CTPA) scans and their adverse effects.
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Esmaeili Tarki F, Afaghi S, Rahimi FS, Kiani A, Varahram M, Abedini A. Serial SOFA-score trends in ICU-admitted COVID-19 patients as predictor of 28-day mortality: A prospective cohort study. Health Sci Rep 2023; 6:e1116. [PMID: 37152236 PMCID: PMC10154817 DOI: 10.1002/hsr2.1116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 01/10/2023] [Accepted: 02/07/2023] [Indexed: 05/09/2023] Open
Abstract
Background and Aim The efficacy of Sequential Organ Failure Assessment (SOFA) score as predictor of clinical outcomes among ICU-admitted COVID-19 patients is still controversial. We aimed to assess whether SOFA-score in different time intervals could predict 28-day mortality compared with other well-acknowledged risk factors of COVID-19 mortality. Methods This observational prospective cohort was conducted on 1057 patients from March 2020 to March 2022 at Masih Daneshvari Hospital, Iran. The univariate and multivariate Cox proportional analysis were performed to assess the hazards of SOFA-score models. Receiver operating characteristic (ROC) curves were designed to estimate the predictive values. Results Mean SOFA-score during first 96 h (HR: 3.82 [CI: 2.75-5.31]), highest SOFA-score (HR: 2.70 [CI: 1.93-3.78]), and initial SOFA-score (HR: 1.65 [CI: 1.30-2.11]) had strongest association with 28-day mortality (p < .0001). In contrast, SOFA scores at 48 and 96 h as well as Δ-SOFA: 48-0 h and Δ-SOFA: 96-0 h did not show significant correlations. Among them, merely mean SOFA-score (HR: 2.28 [CI: 2.21-3.51]; p < .001) remained as independent prognosticator on multivariate regression analysis; though having less odds of predicting value compared with age (HR: 3.81 [CI: 1.98-5.21]), hypertension (HR: 3.11 [CI: 1.26-3.81]), coronary artery disease [CAD] (HR: 2.82 [CI: 1.51-4.8]), and diabetes mellitus (HR: 2.45 [CI: 1.36-2.99]). The area under ROC (AUROC) for mean SOFA-score (0.77) and highest SOFA-score (0.71) were larger than other SOFA intervals. Calculating the first 96 h of SOFA trends, it was obtained that fatality rate was <12.3% if the score dropped, between 28.8% and 46.29% if the score remained unchanged, and >50.45% if the score increased. Conclusion To predict the 28-day mortality among ICU-admitted COVID-19 patients, mean SOFA upon first 96 h of ICU stay is reliable; while having inadequate accuracy comparing with well-acknowledged COVID-19 mortality predictors (age, diabetes mellitus, hypertension, CAD). Notably, increased SOFA levels in the course of first 96 h of ICU-admission, prognosticate at least 50% fatality regardless of initial SOFA score.
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Johnstone AD, Davis C, Roberts NJ, Sharp K. Quality of life of children and young people with anterior chest wall deformity: a systematic review of the literature. Arch Dis Child 2023:archdischild-2022-324948. [PMID: 37185083 DOI: 10.1136/archdischild-2022-324948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 04/14/2023] [Indexed: 05/17/2023]
Abstract
OBJECTIVE The aim of this study was to evaluate the current evidence regarding the quality of life (QoL) of children and young people with anterior chest wall deformity (ACWD). METHODS Using a defined search strategy, a systematic review of the literature was performed using Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. RESULTS The search identified 305 articles, after refinement, the full text of 51 studies were reviewed and 10 included in the review. A total of eight studies described QoL associated with the correction of ACWD and two studies reported on QoL without correction. The surgical correction of ACWD was reported in six studies and non-surgical correction in two studies. A total of three disease-specific and 24 generic QoL measures were used. The variation in QoL outcome measures, together with a lack of consistency in the time scales of data collection, did not allow for direct comparison between studies. However, the improvement in psychosocial QoL following correction of ACWD is clear. The impact of ACWD on physical QoL is less defined and the influence of age, gender, severity and type of deformity is uncertain. The literature identified primarily surrounds QoL outcomes in relation to surgical correction and is therefore not representative of all children and young people with ACWD. CONCLUSIONS Correction of ACWD is associated with significant improvement in the psychosocial QoL of children and young people. Further work is required to standardise QoL data collection for all children with ACWD to achieve a greater understanding of the impact and guide future management.
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Ryan A, Swinburne C. Targeted interventions improve bronchiolitis care and reduce unnecessary therapies. Arch Dis Child Educ Pract Ed 2023; 108:143. [PMID: 35264440 DOI: 10.1136/archdischild-2021-323384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ante‐Ardila N, Garnica CN, Umaña PM, Castañeda OLB, Cháves AJ, Naranjo MS, Piñeros JG, Bonilla C, Mejía LM, Mesa‐Rubio ML, Restrepo‐Gualteros S, Barrera P, Moreno‐Lopez S, Rueda‐Guevara P, Varela AR. Use of high‐flow cannula in pediatric patients with respiratory failure: A prospective cohort study in three high‐altitude hospitals. Health Sci Rep 2023; 6:e1182. [PMID: 37016619 PMCID: PMC10066842 DOI: 10.1002/hsr2.1182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 04/04/2023] Open
Abstract
Background and Aims Acute respiratory failure (ARF) is a common cause of morbimortality, and a frequent reason for admission to the pediatric intensive care unit (PICU). It requires a high‐flow oxygen device as treatment. Our aim is to determine the frequency and main indications for the use of high‐flow nasal cannula (HFNC), and the prevalence of HFNC failure and its main causes, in three hospitals Methods It is a multicenter prospective cohort study, developed in three hospitals in Bogota. Eligible patients were children older than 1 month and younger than 18 years who presented ARF and required management with an HFNC. The study was carried out between April 2020 and December 2021. The follow‐up was carried out at 1, 6, and 48 h after starting the management. Results Of 685 patients included in the study, 296 developed ARF. The prevalence of patients with ARF who required management with HFNC was 48%. The frequency of the pathologies that cause the ARF was: Bronchiolitis was the most frequent pathology (34.5%), followed by asthmatic crisis (15.5%) and pneumonia (12.7%). The average time of use of HFNC was 81.6 h. Regarding treatment failure with HFNC, 15 patients presented torpid evolution and required invasive mechanical ventilation, with a prevalence of therapeutic failure of the HFNC of 10.6%. Conclusion The use of HFNC is more frequent in patients with bronchiolitis, in children under 2 years of age and in males, which is in line with what has been reported in the literature. In addition, the failure rate of HFNC is low (10.6%), and it may be useful in other pathologies besides bronchiolitis, such as asthma, pneumonia, among others. It opens the possibility to continue evaluating the role of HFNC in pediatric pathology in new studies.
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Walsh S, Pan S, Sheng Y, Kloprogge F, Standing JF, Anderson BJ, Ramnarayan P. Optimising intravenous salbutamol in children: a phase 2 study. Arch Dis Child 2023; 108:316-322. [PMID: 36581395 DOI: 10.1136/archdischild-2022-324008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 12/11/2022] [Indexed: 12/30/2022]
Abstract
OBJECTIVE The β2-agonists such as salbutamol are the mainstay of asthma management. Pharmacokinetic-pharmacodynamic (PKPD) models to guide paediatric dosing are lacking. We explored the relationship between salbutamol dose, serum concentration, effectiveness and adverse effects in children by developing a PKPD model. DESIGN A prospective cohort study of children admitted to hospital with acute asthma, who received intravenous salbutamol. SETTING Children were recruited in two cohorts: the emergency departments of two London hospitals or those retrieved by the Children's Acute Transport Service to three London paediatric intensive care units. PATIENTS Patients were eligible if aged 1-15 years, admitted for acute asthma and about to receive or receiving intravenous salbutamol. INTERVENTIONS Treatment was according to local policy. Serial salbutamol plasma levels were taken. Effectiveness measurements were recorded using the Paediatric Asthma Severity Score (PASS). Toxicity measurements included lactate, pH, glucose, heart rate, blood pressure and arrhythmias. PKPD modelling was performed with non-linear mixed-effect models. MAIN OUTCOMES Fifty-eight children were recruited with 221 salbutamol concentration measurements from 54 children. Median (range) age was 2.9 (1.1-15.2) years, and weight was 13.6 (8-57.3) kg. Ninety-five PASS measurements and 2078 toxicity measurements were obtained. RESULTS A two-compartment PK model adequately described the time course of salbutamol-plasma concentrations. An EMAX (maximum drug effect) concentration-effect relationship described PASS and toxicity measures. PKPD simulations showed an infusion of 0.5 µg/kg/min (maximum 20 µg/min) for 4 hours after bolus achieves >90% maximal bronchodilation for 12 hours. CONCLUSIONS A paediatric PKPD model for salbutamol is described. An infusion of 0.5 µg/kg/min after bolus achieves effective bronchodilation. Higher rates are associated with greater tachycardia and hyperglycaemia.
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Dykes JKB, Lawton A, Burchett S, Gupta A. Fifteen-minute consultation: A structured approach to children with parapneumonic effusion and empyema thoracis. Arch Dis Child Educ Pract Ed 2023; 108:86-90. [PMID: 34772669 DOI: 10.1136/archdischild-2021-322621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 10/29/2021] [Indexed: 11/04/2022]
Abstract
Parapneumonic effusion is defined as the accumulation of pleural fluid associated with lung infection/pneumonia. Parapneumonic effusions can be uncomplicated or complicated. They are caused by the spread of infection and inflammation to the pleural space, and can develop into empyema thoracis-frank pus in the pleural space. Chest radiograph and thoracic ultrasound are the key imaging modalities for the diagnosis of parapneumonic effusion. Management aims are reducing inflammation and bacteria in the pleural cavity, and enabling full lung expansion. Broad-spectrum intravenous antibiotics, with the addition of chest tube drainage and fibrinolytic therapy for larger collections, are the mainstays of management. This article provides a clear, evidence-based and structured approach to the assessment and management of parapneumonic effusion/empyema thoracis in children and young people.
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Kirk F, He C, Stroebel A. Lung cancer screening: The pulmonologist, the thoracic surgeon and working together in a team. Respirology 2023; 28:515-517. [PMID: 36972923 DOI: 10.1111/resp.14496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 03/16/2023] [Indexed: 03/29/2023]
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Moreau J, Socchi F, Renoux MC, Requirand A, Abassi H, Guillaumont S, Matecki S, Huguet H, Avesani M, Picot MC, Amedro P. Cardiopulmonary fitness in children with asthma versus healthy children. Arch Dis Child 2023; 108:204-210. [PMID: 36446481 DOI: 10.1136/archdischild-2021-323733] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 11/15/2022] [Indexed: 12/03/2022]
Abstract
OBJECTIVES To evaluate, with a cardiopulmonary exercise test (CPET), the cardiopulmonary fitness of children with asthma, in comparison to healthy controls, and to identify the clinical and CPET parameters associated with the maximum oxygen uptake (VO2max) in childhood asthma. DESIGN This cross-sectional controlled study was carried out in CPET laboratories from two tertiary care paediatric centres. The predictors of VO2max were determined using a multivariable analysis. RESULTS A total of 446 children (144 in the asthma group and 302 healthy subjects) underwent a complete CPET. Mean VO2max was significantly lower in children with asthma than in controls (38.6±8.6 vs 43.5±7.5 mL/kg/min; absolute difference (abs. diff.) of -4.9 mL/kg/min; 95% CI of (-6.5 to -3.3) mL/kg/min; p<0.01) and represented 94%±9% and 107%±17% of predicted values, respectively (abs. diff. -13%; 95% CI (-17 to -9)%; p<0.01). The proportion of children with an impaired VO2max was four times higher in the asthma group (24% vs 6%, p<0.01). Impaired ventilatory efficiency with increased VE/VCO2 slope and low breathing reserve (BR) were more marked in the asthma group. The proportion of children with a decreased ventilatory anaerobic threshold (VAT), indicative of physical deconditioning, was three times higher in the asthma group (31% vs 11%, p<0.01). Impaired VO2max was associated with female gender, high body mass index (BMI), FEV1, low VAT and high BR. CONCLUSION Cardiopulmonary fitness in children with asthma was moderately but significantly altered compared with healthy children. A decreased VO2max was associated with female gender, high BMI and the pulmonary function. TRIAL REGISTRATION NUMBER NCT04650464.
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Bamat NA, Orians CM, Abbasi S, Morley CJ, Ross Russell R, Panitch HB, Handley SC, Foglia EE, Posencheg MA, Kirpalani H. Use of ventilation/perfusion mismatch to guide individualised CPAP level selection in preterm infants: a feasibility trial. Arch Dis Child Fetal Neonatal Ed 2023; 108:188-193. [PMID: 36104165 DOI: 10.1136/archdischild-2022-324474] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 08/31/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To measure within-subject changes in ventilation/perfusion (V'/Q') mismatch in response to a protocol of individualised nasal continuous positive airway pressure (CPAP) level selection. DESIGN Single-arm, non-randomised, feasibility trial. SETTING Three centres in the Children's Hospital of Philadelphia neonatal care network. PATIENTS Twelve preterm infants of postmenstrual age 27-35 weeks, postnatal age >24 hours, and receiving a fraction of inspired oxygen (FiO2) >0.25 on CPAP of 4-7 cm H2O. INTERVENTIONS We applied a protocol of stepwise CPAP level changes, with the overall direction and magnitude guided by individual responses in V'/Q' mismatch, as determined by the degree of right shift (kilopascals, kPa) in a non-invasive gas exchange model. Best CPAP level was defined as the final pressure level at which V'/Q' improved by more than 5%. MAIN OUTCOME MEASURES Within-subject change in V'/Q' mismatch between baseline and best CPAP levels. RESULTS There was a median (IQR) within-subject reduction in V'/Q' mismatch of 1.2 (0-3.2) kPa between baseline and best CPAP levels, p=0.02. Best CPAP was observed at a median (range) absolute level of 7 (5-8) cm H2O. CONCLUSIONS Non-invasive measures of V'/Q' mismatch may be a useful approach for identifying individualised CPAP levels in preterm infants. The results of our feasibility study should be interpreted cautiously and replication in larger studies evaluating the impact of this approach on clinical outcomes is needed. TRIAL REGISTRATION NUMBER NCT02983825.
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Oliphant EA, McKinlay CJ, McNamara D, Cavadino A, Alsweiler JM. Caffeine to prevent intermittent hypoxaemia in late preterm infants: randomised controlled dosage trial. Arch Dis Child Fetal Neonatal Ed 2023; 108:106-113. [PMID: 36038256 PMCID: PMC9985705 DOI: 10.1136/archdischild-2022-324010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 07/12/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To establish the most effective and best tolerated dose of caffeine citrate for the prevention of intermittent hypoxaemia (IH) in late preterm infants. DESIGN Phase IIB, double-blind, five-arm, parallel, randomised controlled trial. SETTING Neonatal units and postnatal wards of two tertiary maternity hospitals in New Zealand. PARTICIPANTS Late preterm infants born at 34+0-36+6 weeks' gestation, recruited within 72 hours of birth. INTERVENTION Infants were randomly assigned to receive a loading dose (10, 20, 30 or 40 mg/kg) followed by 5, 10, 15 or 20 mg/kg/day equivolume enteral caffeine citrate or placebo daily until term corrected age. PRIMARY OUTCOME IH (events/hour with oxygen saturation concentration ≥10% below baseline for ≤2 min), 2 weeks postrandomisation. RESULTS 132 infants with mean (SD) birth weight 2561 (481) g and gestational age 35.7 (0.8) weeks were randomised (24-28 per group). Caffeine reduced the rate of IH at 2 weeks postrandomisation (geometric mean (GM): 4.6, 4.6, 2.0, 3.8 and 1.7 events/hour for placebo, 5, 10, 15 and 20 mg/kg/day, respectively), with differences statistically significant for 10 mg/kg/day (GM ratio (95% CI] 0.39 (0.20 to 0.76]; p=0.006) and 20 mg/kg/day (GM ratio (95% CI] 0.33 (0.17 to 0.68]; p=0.003) compared with placebo. The 20 mg/kg/day dose increased mean (SD) pulse oximetry oxygen saturation (SpO2) (97.2 (1.0) vs placebo 96.0 (0.8); p<0.001), and reduced median (IQR) percentage of time SpO2 <90% (0.5 (0.2-0.8) vs 1.1 (0.6-2.4); p<0.001) at 2 weeks, without significant adverse effects on growth velocity or sleeping. CONCLUSION Caffeine reduces IH in late preterm infants at 2 weeks of age, with 20 mg/kg/day being the most effective dose. TRIAL REGISTRATION NUMBER ACTRN12618001745235.
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