African Journal of Thoracic and Critical Care Medicine最新文献

{"title":"Do all children in South Africa have access to dedicated paediatric intensive care?","authors":"Pierre Goussard","doi":"10.7196/AJTCCM.2022.v28i3.272","DOIUrl":"10.7196/AJTCCM.2022.v28i3.272","url":null,"abstract":"","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9551703/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43345447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of outcomes between children ventilated in a non‑paediatric intensive care and a paediatric intensive care unit: A retrospective analysis.","authors":"X L Jingxi,&nbsp;P Tinarwo,&nbsp;R Masekela,&nbsp;M Archary","doi":"10.7196/AJTCCM.2022.v28i3.215","DOIUrl":"https://doi.org/10.7196/AJTCCM.2022.v28i3.215","url":null,"abstract":"<p><strong>Background: </strong>Lack of paediatric intensive care infrastructure, human resources and expertise in low- and middle-income countries (LMICs) often results in critically ill children being managed in non-intensive-care unit (ICU) settings.</p><p><strong>Objectives: </strong>To compare the mortality between critically ill patients who required ventilation for more than 24 hours in a non-paediatric ICU (PICU) setting v. those admitted directly to a PICU.</p><p><strong>Methods: </strong>Participants were enrolled if they were between one month and 13 years of age and were ventilated in a non-PICU ward in a regional hospital and a PICU ward in a tertiary/quaternary hospital during the study period of January 2015 - December 2017 in KwaZulu-Natal, South Africa. Descriptive statistics, chi-square test, Wilcoxon test and binary logistic regression were used for data analysis. Ethics approval was obtained (approval number BE568/18 BREC) from the Biostatistics Research Council of the University of KwaZulu-Natal.</p><p><strong>Results: </strong>Of the 904 admissions, 25.1% (n=227) were admitted to non-PICU and 74.9% (n=677) to a PICU. A significantly higher proportion of non-PICU patients were malnourished than PICU patients (26.4% v. 13.3%, p<0.001). Patients ventilated in a PICU were 76% less likely to die (p<0.001), while patients who required inotropes were 15.08 (9.68 - 24.34) times more likely to die (p<0.001). There was a statistically significant association between admission setting and survival outcome, with higher mortality in the non-PICU setting than in the PICU setting (46.3% v. 19.5%, p<0.001).</p><p><strong>Conclusion: </strong>Critically ill children ventilated in a non-PICU setting in KwaZulu-Natal are more likely to be malnourished, require inotropes and have higher mortality. Although increasing access to PICU bed availability is a long-term goal, the high mortality in the non-PICU setting highlights the need to optimise the availability of resources in these non-PICU wards, optimise and train the staff, and improve primary healthcare services.</p>","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/f6/88/AJTCCM-28-3-215.PMC9620536.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40669031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rare rib tumours: Where geography matters.","authors":"I Schewitz","doi":"10.7196/AJTCCM.2022.v28i3.216","DOIUrl":"10.7196/AJTCCM.2022.v28i3.216","url":null,"abstract":"","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9554948/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45951265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Methotrexate pneumonitis in a patient with gestational trophoblastic neoplasia.","authors":"M Agarwal,&nbsp;K K Sharma,&nbsp;K Deokar,&nbsp;N Bharti","doi":"10.7196/AJTCCM.2022.v28i3.254","DOIUrl":"https://doi.org/10.7196/AJTCCM.2022.v28i3.254","url":null,"abstract":"<p><p>Methotrexate, an immunomodulatory agent used for a wide variety of indications, can cause pulmonary toxicity in the form of pneumonitis, organising pneumonia, pulmonary fibrosis, pleural effusion, pulmonary infections or lymphoproliferative disease. We report a case of methotrexate pneumonitis in a patient with gestational trophoblastic neoplasia. The diagnosis of methotrexate pneumonitis is challenging, as the signs and symptoms can be caused by intercurrent infection, concomitant medications or an underlying disease condition. A high index of suspicion is required for diagnosis. Management consists of drug discontinuation and steroids in patients with respiratory failure.</p>","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7b/08/AJTCCM-28-3-254.PMC9632629.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40669029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interstitial lung disease in patients with connective tissue disease: Subtypes, clinical features and comorbidities in the Western Cape, South Africa.","authors":"E Palalane,&nbsp;D Alpizar-Rodriguez,&nbsp;S Botha,&nbsp;Q Said-Hartley,&nbsp;G Calligaro,&nbsp;B Hodkinson","doi":"10.7196/AJTCCM.2022.v28i2.213","DOIUrl":"https://doi.org/10.7196/AJTCCM.2022.v28i2.213","url":null,"abstract":"<p><strong>Background: </strong>Interstitial lung disease (ILD) is highly prevalent in patients with connective tissue disease (CTD) and is poorly characterised in South Africa.</p><p><strong>Objectives: </strong>To describe the clinical, serological and radiological features of CTD-ILD and their associations in patients attending a tertiary referral hospital.</p><p><strong>Methods: </strong>A cross-sectional study collating clinical, serological and radiological features of CTD-ILD in patients attending rheumatology and respiratory outpatient clinics in a tertiary referral hospital.</p><p><strong>Results: </strong>Of 124 CTD-ILD patients, 37 (29.8%) had rheumatoid arthritis (RA), 32 (25.8%) systemic sclerosis (SSc) and 55 (44.4%) other autoimmune connective tissue diseases (OCTD). Most patients were female (86.3%), of mixed racial ancestry (75.0%), and the median age was 55 years. Nonspecific interstitial pneumonia (NSIP) was the most common ILD pattern (63.7%), followed by usual interstitial pneumonia (UIP) (26.6%). Overall, 60.5% were current or past smokers, 33.1% had previous pulmonary tuberculosis infection, and 75.6% had gastro-oesophageal reflux disease. Patients with RA were older, had similar frequencies of NSIP and UIP, and had significantly better pulmonary function tests than the SSc and OCTD groups. Within three years of CTD diagnosis, two-thirds of the SSc and OCTD patients and almost half of the RA patients had developed ILD. Clinical features, chest X-rays and pulmonary function tests correlated poorly with high-resolution computerised tomography (HRCT). No case of acute pneumonitis was documented in CTD-ILD patients treated with methotrexate (MTX).</p><p><strong>Conclusion: </strong>We suggest routine HRCT in all newly diagnosed CTD patients, particularly those with SSc and OCTD, where more than two-thirds of the patients had developed ILD within three years of their CTD. The use of MTX was not associated with the development of acute pneumonitis in patients with ILD.</p><p><strong>Key points: </strong>Clinical features, chest X-rays and pulmonary function tests correlated poorly with high-resolution computerised tomography (HRCT).Smoking, environmental toxins, gastro-oesophogeal reflux and previous pulmonary tuberculosis infection were significant comorbidities in CTD-ILD patients.Early screening of ILD with HRCT is recommended, particularly in SSc.Use of MTX before and after ILD diagnosis was not associated with acute pneumonitis.</p>","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":"28 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ef/63/AJTCCM-28-2-213.PMC9390065.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33443588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of treatment outcome definitions in drug-resistant tuberculosis patients with high incidence of acquired second-line drug resistance.","authors":"K Anderson,&nbsp;E Pietersen,&nbsp;K Dheda,&nbsp;Y F van der Heijden","doi":"10.7196/AJTCCM.2022.v28i2.177","DOIUrl":"https://doi.org/10.7196/AJTCCM.2022.v28i2.177","url":null,"abstract":"<p><strong>Background: </strong>Simplified drug-resistant tuberculosis (DR-TB) treatment outcome definitions, mostly centred around receipt of treatment and sputum culture status at 6 months after treatment initiation, have been proposed, but have not been widely evaluated in resource-limited settings.</p><p><strong>Objectives: </strong>To compare DR-TB treatment outcomes, as defined by the World Health Organization (WHO) at the time of treatment, with simplified definitions.</p><p><strong>Methods: </strong>We performed retrospective folder reviews of a cohort of 246 South African DR-TB patients, most of whom developed second-line drug resistance. Sequential treatment outcomes were assigned retrospectively using both simplified Tuberculosis Network European Trials Group (TBNET)-based and 2013 WHO-based definitions.</p><p><strong>Results: </strong>Of 246 patients, 40% were HIV-positive, and 88% developed second-line drug resistance. Patients were observed for a median of 38 (interquartile range 24 - 63) months from DR-TB treatment initiation. Using WHO-based definitions, 93% of patients had >1 sequential outcome, whereas with simplified definitions, 25% of patients had >1 outcome. Fewer outcomes of cure (3% v. 9%) and more outcomes of treatment failure (42% v. 22%) were assigned using simplified definitions.</p><p><strong>Conclusion: </strong>Simplified outcome definitions applied to real-world patients with long, often complex treatment histories resulted in underestimating cures and overestimating treatment failures compared with WHO-based definitions. Simplified definitions may identify more individuals at higher risk for treatment failure than WHO-based definitions, but without consistent programmatic follow-up it may be difficult to distinguish cure, failure and loss to follow-up.</p>","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/e0/5d/AJTCCM-28-2-177.PMC9379990.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40414675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interstitial lung disease in Africa - a need for recognition and earlier diagnosis.","authors":"M Wong","doi":"10.7196/AJTCCM.2022.v28i2.258","DOIUrl":"10.7196/AJTCCM.2022.v28i2.258","url":null,"abstract":"","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/30/80/AJTCCM-28-2-258.PMC9339139.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40578968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Non-tuberculous mycobacteria pulmonary disease: A review of trends, risk factors, diagnosis and management.","authors":"L Nqwata,&nbsp;A R Ouédrago","doi":"10.7196/AJTCCM.2022.v28i2.157","DOIUrl":"https://doi.org/10.7196/AJTCCM.2022.v28i2.157","url":null,"abstract":"<p><p>Non-tuberculous mycobacteria (NTM) reports have been on the rise globally, with increasing incidence and prevalence accompanied by poor outcomes. The rise has been attributed to an ageing population with increasing comorbid illnesses, and improved laboratory techniques in diagnosing the disease. However, despite the increase, some parts of the world still lack data, especially sub-Saharan African countries. The lack of data in our setting is difficult to explain, as we have a significant burden of NTM risk factors (i.e. HIV, tuberculosis and bronchiectasis). This review therefore serves as a reminder and a challenge to start searching, and reporting on our experiences. The review will highlight the rising incidence, important risk factors, diagnosis and management of NTM pulmonary disease.</p>","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":"28 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/35/59/AJTCCM-28-2-157.PMC9394508.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33443589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Respiratory technologists in the frontlines against COVID-19.","authors":"S D Maasdorp,&nbsp;M Pretorius,&nbsp;P Pienaar,&nbsp;E Rosslee,&nbsp;A Alexander,&nbsp;A van der Linde,&nbsp;C van Rooyen","doi":"10.7196/AJTCCM.2022.v28i2.210","DOIUrl":"https://doi.org/10.7196/AJTCCM.2022.v28i2.210","url":null,"abstract":"<p><strong>Background: </strong>The COVID-19 pandemic overwhelmed healthcare resources globally, but especially those of resource-limited countries. Strategies to supplement the number of healthcare workers attending COVID-19 patients had to be implemented. Several institutions used non-respiratory clinicians to work in COVID-19 wards. At Universitas Academic Hospital (UAH), Bloemfontein, South Africa, respiratory technologists were requested to assist with managing the oxygen supportive care of patients with severe COVID-19 and respiratory failure.</p><p><strong>Objectives: </strong>To highlight the contribution that respiratory technologists made in the management of severe COVID-19 pneumonia patients by describing the baseline characteristics and mortality of patients with COVID-19, whose oxygen supportive care was managed primarily by respiratory technologists at UAH.</p><p><strong>Methods: </strong>This was a retrospective study. The investigators extracted data from the hospital files of all adult patients admitted with severe COVID-19 to UAH and where respiratory technologists were involved in their care between 1 January and 31 December 2020.</p><p><strong>Results: </strong>A total of 781 patients were admitted to UAH, of whom 106 fulfilled the inclusion criteria. The majority of the patients were female (n=68; 64.1%), and the median age (interquartile range (IQR)) was 59.5 (51 - 68) years. Hypertension (n=69; 65.1%) and diabetes mellitus (n=39; 36.8%) were the most frequent comorbidities. At the time of admission, the median oxygen saturation was 92% and the median respiratory rate oxygenation (ROX) index was 3.2. The median length of stay was 7 days and the mortality was 41.5%.</p><p><strong>Conclusion: </strong>The clinical characteristics and mortality of patients whose oxygen support was managed by respiratory technologists were similar to those in previously reported studies from resource-limited settings. Respiratory technologists can form a valuable addition to the front-line team when clinicians and nurses are faced with overwhelming patient numbers in subsequent COVID-19 surges and where the mainstay of treatment is oxygen supportive care.</p>","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d5/c3/AJTCCM-28-2-210.PMC9366451.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40414674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A comparison of lung cancer in HIV-positive and HIV-negative populations.","authors":"R Berman,&nbsp;A van Blydenstein,&nbsp;A Graham","doi":"10.7196/AJTCCM.2022.v28i2.162","DOIUrl":"https://doi.org/10.7196/AJTCCM.2022.v28i2.162","url":null,"abstract":"<p><strong>Background: </strong>Lung cancer is the most common cancer worldwide and is the greatest contributor to malignancy-associated deaths. Human immunodeficiency virus (HIV) is an epidemic in many developing countries and South Africa carries the largest burden of this disease in the world. With the introduction of antiretroviral therapy (ART), acquired immune deficiency syndrome (AIDS)-defining malignancies (ADMs) are on the decline and non-AIDS-defining malignancies (NADMs) are becoming more common, with lung cancer being the most common among these.</p><p><strong>Objectives: </strong>To describe and compare a cohort of HIV-positive lung cancer patients and a cohort of HIV-negative lung cancer patients.</p><p><strong>Methods: </strong>A retrospective study of 188 patients with histologically confirmed bronchogenic carcinoma was conducted. Smoking history, cancer sub-type, cancer stage, HIV parameters and demographic data were collected.</p><p><strong>Results: </strong>There were 31 (16.94%) HIV-positive patients. They presented at a younger age (53.94 years) than the HIV-negative group (61.64 years) (p=0.0001). Adenocarcinoma was the most common sub-type in the HIV-negative cohort while squamous cell carcinoma was slightly more common in the HIV-positive cohort. Both groups predominantly presented with locally advanced or metastatic disease.</p><p><strong>Conclusion: </strong>HIV-positive patients present at a younger age than HIV-negative patients and both groups show a male-predominant pattern.</p>","PeriodicalId":52847,"journal":{"name":"African Journal of Thoracic and Critical Care Medicine","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/63/f6/AJTCCM-28-2-162.PMC9366453.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40713965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}