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BACKGROUND: Bronchiectasis is a widely prevalent airway disease characterized by airway dilatation and recurrent infections, that can lead to respiratory failure in severe cases. The etiology of bronchiectasis varies geographically, but there is a lack of published data examining its etiology specifically within the Middle Eastern population. METHODS: We conducted a retrospective analysis of our bronchiectasis patient registry, extracting clinical and demographic characteristics from electronic medical records. Quantitative variables were presented as the median and interquartile range (IQR), while categorical variables were expressed as numbers and percentages. Statistical comparisons for continuous characteristics were performed using the t-test, and significance was determined by a p-value less than 0.05. RESULTS: In total we analysed 260 records (63% female, 37% male), with median age of 58 years (interquartile range (IQR) 38-71), Body Mass Index (BMI) 25.8(IQR 22-30), forced expiratory volume in the first second (FEV1) %predicted 65 (IQR 43-79) and FEV1/forced vital capacity (FVC) 0.76 (0.67-0.86). Sixty-five cases (25%) were post-infectious in aetiology (excluding post-TB - n:27 10.4%). Forty-eight (18.5%) patients were labelled idiopathic, while Primary Ciliary Dyskinesia (PCD) accounted for 23 (8.8%) cases. Pseudomonas aeruginosa was the most common colonizing organism (32.7%), followed by Haemophilus influenzae (9.2%) and Methicillin-Sensitive Staphylococcus aureus(6.9%). At the time of review, 11 patients had died (median age, FEV %predicted, and bronchiectasis severity index (BSI) 59 years, 38% and 15.5 respectively), all due to respiratory failure, and as expected, all were classed severe on BSI. The BSI score was available for 109 patients, of which 31(28%) were classed mild, 29(27%) were moderate, and 49 (45%) were classed severe. The median BSI score was 8 (IQR 4-11). On dividing the patients according to obstructive vs. restrictive spirometry, we found that patients with FEV1/FVC < 0.70 had significantly higher BSI (10.1 vs. 6.9, p-value < 0.001) and that 8 out of the 11 deceased patients had FEV1/FVC < 70%. CONCLUSIONS: In our study, post-infectious, idiopathic, and PCD were identified as the most common etiologies of bronchiectasis. Additionally, patients with obstructive spirometry appeared to have a worse prognosis compared to those with restrictive spirometry.
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Bronquiectasia , Humanos , Feminino , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Bronquiectasia/epidemiologia , Bronquiectasia/etiologia , Índice de Massa Corporal , Registros Eletrônicos de Saúde , Volume Expiratório ForçadoRESUMO
BACKGROUND: Pulmonary radiological findings of the novel coronavirus disease 2019 (COVID-19) have been well documented and range from scattered ground-glass infiltrates in milder cases to confluent ground-glass change, dense consolidation, and crazy paving in the critically ill. However, lung cavitation has not been commonly described in these patients. The objective of this study was to assess the incidence of pulmonary cavitation in patients with COVID-19 and describe its characteristics and evolution. METHODS: We conducted a retrospective review of all patients admitted to our institution with COVID-19 and reviewed electronic medical records and imaging to identify patients who developed pulmonary cavitation. RESULTS: Twelve out of 689 (1.7%) patients admitted to our institution with COVID-19 developed pulmonary cavitation, comprising 3.3% (n = 12/359) of patients who developed COVID-19 pneumonia, and 11% (n = 12/110) of those admitted to the intensive care unit. We describe the imaging characteristics of the cavitation and present the clinical, pharmacological, laboratory, and microbiological parameters for these patients. In this cohort six patients have died, and six discharged home. CONCLUSION: Cavitary lung disease in patients with severe COVID-19 disease is not uncommon, and is associated with a high level of morbidity and mortality.
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COVID-19/complicações , Pneumopatias/diagnóstico por imagem , Pneumopatias/patologia , Pneumopatias/virologia , Tomografia Computadorizada por Raios X , Adulto , Idoso , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Índice de Gravidade de Doença , Fatores de TempoRESUMO
BACKGROUND: An increasing number of patients are being infected with Middle East respiratory syndrome coronavirus (MERS-CoV) since the first case was identified in September 2012. We report the characteristics and outcomes of MERS-CoV-confirmed patients who developed critical illness requiring admission to an intensive care unit (ICU). METHODS: We conducted a prospective cohort study of all MERS-CoV-confirmed cases who were admitted to our ICU from March 20, 2014, till June 1, 2014. Presenting symptoms, comorbid conditions, and details of their ICU stay were recorded. RESULTS: Eight patients were admitted to the ICU with MERS-CoV infection. All had signs of respiratory distress with 7 requiring mechanical ventilation. Three patients were health care workers. In all, 6 patients had comorbid conditions and 5 patients developed multiorgan system failure (MOSF). In all, 5 patients expired, 2 were discharged alive, and 1 remained intubated at the end of the study period. CONCLUSIONS: Middle East respiratory syndrome coronavirus carries a high mortality rate in patients who require ICU admission, with a significant number of patients developing MOSF. Further investigation is needed to determine optimal management guidelines for these patients.
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Infecções por Coronavirus/diagnóstico , Infecções por Coronavirus/mortalidade , Hospitalização/estatística & dados numéricos , Unidades de Terapia Intensiva/estatística & dados numéricos , Adulto , Idoso , Idoso de 80 Anos ou mais , Doenças Transmissíveis Emergentes/diagnóstico , Doenças Transmissíveis Emergentes/mortalidade , Doenças Transmissíveis Emergentes/terapia , Infecções por Coronavirus/terapia , Infecções por Coronavirus/virologia , Infecção Hospitalar/prevenção & controle , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Coronavírus da Síndrome Respiratória do Oriente Médio/isolamento & purificação , Estudos Prospectivos , Respiração Artificial , Arábia Saudita/epidemiologia , Resultado do TratamentoRESUMO
Non-small-cell lung cancer (NSCLC) remains one of the leading causes of cancer mortality worldwide. The aim of the present study was to review the histologic patterns and molecular drivers of NSCLC in patients with lung cancer. The electronic health records (EHR) of all patients diagnosed with lung cancer between April 2015 and September 2022 were obtained from a tertiary care hospital and retrospectively analysed. A total of 224 patients were identified of which 192 (138 males and 54 females) were included in the final analysis. Adenocarcinoma was the most common type of lung cancer identified, and accounted for 134 patients (70%), followed by squamous cell carcinoma in 47 (24%) patients, while large cell lung cancer was noted in only 5 (3%) patients. The most common mutations were EGFR mutations and were detected in 29 (15%) patients, followed by PD-L1 expression which was present in 56 (24.7%) patients, KRAS in 16 (8.3%) patients, ALK1 in 8 (4.2%) patients and BRAF, ROS1 and MET were present in 3 (1.6%), 2 (1%) and 1 (0.5%), respectively. The findings from the present study offer important insights into the epidemiological, clinical and molecular characteristics of NSCLC. Further research is warranted to explore the clinical implications of these findings.
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Cystic fibrosis (CF) is a common autosomal recessive disorder which is mainly found in Caucasians but has also been reported in Asian populations. CF is primarily caused by mutations in the CFTR gene which regulates the transport of chloride ions across the cell membrane. We describe the cases of two siblings with CF diagnosed with the rare missense mutation c.80G>T, which has only been referenced once in the literature and shows a possible association with classical form of CF. LEARNING POINTS: c.80G>T is a very rare CFTR missense mutation which has not been known to be a disease-causing alteration.The mutation causes an amino acid switch from glycine to valine at position 27 in exon 2, resulting in the production of defective CFTR protein.In the homozygous state, c.80G>T seems to be associated with the classic CF phenotype.
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Background: Lung cancer remains a leading cause of cancer mortality worldwide with many patients presenting with advanced disease. Objective: We reviewed the available literature for lung cancer screening using low dose computed tomography (LDCT). We reviewed the National Lung Screening Trial (NLST), Early Lung Cancer Action Program (ELCAP) and the (Nederlands-Leuvens Longkanker Screenings Onderzoek (NELSON) trials. We also look at different lung cancer risk prediction models that may aid in identifying target populations and also discuss the cost-effectiveness of LDCT screening in different groups of smokers and ex-smokers. Lastly, we discuss recent guideline changes that have occurred in line with new and emerging evidence on lung cancer screening. Conclusion: LDCT has been shown reduce lung cancer mortality in certain groups of current and former smokers and should be considered to help in the early diagnosis of lung cancer.
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Aims: Electromagnetic Navigation Bronchoscopy (EMNB) is a useful tool for the bronchoscopist to target peripheral pulmonary lesions. It has a well-established efficacy and safety profile; however, there are no studies describing its utility in a Middle Eastern population. In this paper, we describe the efficacy and safety outcomes of a newly established EMNB service. Background: The diagnosis of peripheral pulmonary lesions presents a significant challenge to the bronchoscopist, especially in the era of increased thoracic imaging with computerized tomography (CT) scans. EMNB is a relatively novel technique that utilizes an image-guided localization system akin to Global Positioning Satellite (GPS) technology, offering the bronchoscopist an accurate navigational pathway to sample peripheral pulmonary targets. Objective: We present our initial experience of performing EMNB and report our diagnostic and safety outcomes with EMN bronchoscopy. Methods: We conducted a retrospective review of the medical notes of all patients booked for EMNB from May 2015 to December 2019 at our tertiary care center using the electronic medical record system. Results and Discussion: Fifty-five patients were scheduled for EMNB, and 47 patients (24 males, 23 females) had EMNB-guided sampling between May 2015 and December 2019. The median age of the patients was 61 years (IQR 49.5-74.3). A bronchus sign was present on the CT chest in 29 (61.7%) cases. Thirty-one (66%) patients had positive EMNB guided samples. There was a weak correlation between the lesion size and the positive EMNB guided sampling (r: 0.34). Twenty-one of 29 (72%) patients with positive bronchus signs had positive EMNB guided samples, compared to 10/18 (56%) patients without bronchus signs; however, the difference was not statistically significant (p-value 0.335). When the presence or absence of rapid onsite examination of cytopathological specimens (ROSE) was compared during the procedure, a trend favoring the presence of ROSE could be seen, but this was statistically non-significant (p-value 0.078). In this series, one patient with pre-existing triple vessel coronary artery disease developed an inferior wall ST-segment elevation myocardial infarction (STEMI), likely secondary to spasm. This patient recovered completely and was discharged from the hospital. Conclusion: This study demonstrates that EMNB can be safely performed in a Middle Eastern population with results similar to those reported in major international studies. The highest diagnostic yield was in patients with a bronchus sign on a CT scan, and combining EMNB with ROSE can increase the chances of having a positive diagnostic bronchoscopy. However, patients and physicians need to be aware of the need to follow up with the patients with negative biopsies to ensure that false negatives are not missed.
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Neuromyelitis optica spectrum disorder (NMOSD) is associated with other autoimmune disorders and probably with cryptogenic organizing pneumonia (COP) as well. Here we present the case of a 14-year-old girl presenting with typical NMOSD together with radiological evidence of COP. Our case is unique as the previous two reports of this association were in elderly patients. LEARNING POINTS: There probably is an association between neuromyelitis optica spectrum disorder (NMOSD) and cryptogenic organizing pneumonia (COP).In contrast to previously published reports describing NMOSD and COP in two elderly patients, our case report highlights the fact that this disease combination can be present in young patients as well.
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The United Arab Emirates (UAE) has undergone a significant change in its population and economy in the last decades and in parallel its healthcare system has evolved rapidly to provide advanced, innovative and world-leading care. At the forefront of this revolution in healthcare is the development of a multidisciplinary multimodality thoracic service provision, offered at quaternary referral hospitals amalgamating academics, training, research and innovation. Previously, thoracic service care was limited to single providers at various public and private hospitals, usually performing lower complexity cases. Most complex thoracic cases were repatriated outside the UAE. This practice was replaced with the opening of Cleveland Clinic Abu Dhabi (CCAD), in 2015, which created a multidisciplinary thoracic program. This included the start of a mini-invasive surgical and lung transplantation program. Since that time other public and private hospitals have emerged providing care in a similar model. The impact of these programs has been a decreased transfer of patients abroad for treatment. Under the umbrella of the Emirates Thoracic Society (ETS) a platform for greater collaboration aimed at improving patient care, potential research and physician education has been created. Direct links have been established with world-leading Thoracic surgery and Respiratory Medicine Centers facilitating this development and offering support and guidance. This article charts these changes in thoracic care in the recent past, present, and delineates plans for the future in the UAE.
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Mucormycosis is a rare fungal infection that often causes rhinocerebral disease. However, there have been rare cases of mediastinal involvement. These patients remain a therapeutic challenge and mortality in this group is very high. We report a case of mediastinal mucormycosis with invasion of the heart and right lung in a patient with chronic granulomatous disease (CGD) and also review the available literature on mediastinal mucormycosis. LEARNING POINTS: Mucormycosis is a very rare cause of mediastinal mass, and has a high risk of mortality.Early recognition and treatment will likely increase the patient's chances of survival.Chronic granulomatous disease (CGD) is associated with an increased risk of fungal infections and should be considered for itraconazole prophylaxis.
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OBJECTIVE: To clarify whether in adults with a nonobstructive spirometry a reduced FEF25-75% is associated with a positive methacholine challenge test (MCT). METHODS: Data was collected for all the patients who had a MCT done between April 2014 and January 2020 but had nonobstructive baseline spirometry. Logistic regression was utilized to estimate the log odds of a positive methacholine test as a function of FEF25-75% and also for age, gender, BMI, FEV1, and FEV1/FVC. RESULTS: Out of 496 patients, 187 (38%) had a positive MCT. Baseline characteristics in two groups were similar except that patients with positive MCT were younger (32 ± 11.57 vs. 38 ± 13.25 years, respectively, p < 0.001). Mean FEF25-75% was lower in MCT positive (3.12 ± 0.99 L/s) vs. MCT negative (3.39 ± 0.97 L/s) patients, p = 0.003. Logistic regression results suggest that MCT outcome is inversely related to FEF25-75%, age, and gender. Specifically, as FEF25-75% percentage of predicted value increases, the log odds of a positive MCT decrease (odds ratio (OR) = 0.90, 95% confidence intervals (CI) = 0.84-0.96, p = 0.002). Also, as age increases, the log odds of a positive MCT decrease (OR = 0.95, 95%CI = 0.94-0.97, p < 0.001). CONCLUSIONS: Reduced FEF25-75% in adults with nonobstructive spirometry can predict a positive response to MCT in younger patients. However, this relationship becomes weaker with increasing age.
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Asma/diagnóstico , Testes de Provocação Brônquica/métodos , Cloreto de Metacolina , Adulto , Feminino , Volume Expiratório Forçado/efeitos dos fármacos , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , EspirometriaRESUMO
OBJECTIVE: Cystic fibrosis (CF) is the commonest life-limiting inherited illness in the Caucasian population but is uncommon in the Middle East, and so the genotypes and clinical course of disease in this population is not well known. MATERIAL AND METHODS: In this retrospective observational study, we collected and reviewed the data on CF mutations, body mass index (BMI), lung function, microbiology, and the demographics in adult CF patients in the United Arab Emirates (UAE). RESULTS: Data was reviewed for 39 adult CF patients. The median age of adult CF patients presenting to our clinic was 25 years (interquartile range (IQR) 22-31), the median BMI was 19 (IQR 17-22), and the median percentage predicted forced expiratory volume at 1 second (FEV1) was 49.5% (IQR 38.5-62.5). S549R was the commonest mutation (n = 11, 28%) followed by ∆F508 (n = 9, 23%). Only 5 (13%) out of 39 patients were heterozygote for CF mutations which reflects the high level of consanguinity in the region. Twelve (30%) patients were diagnosed after the age of 16, and in total, 19 (48%) were diagnosed after the age of 10. Thirty-two (82%) of patients are pseudomonas colonized, and 31% had 3 or more exacerbations in the last 12 months. CONCLUSION: The CF mutation patterns in the UAE are different from western populations with low ∆F508 prevalence, with the presence of rare mutations more specific to this region and a high rate of homozygosity. Late diagnosis, high pseudomonas colonization rate, and exacerbation frequency remain a problem in this region and lead to poor long-term outcomes.
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BACKGROUND: Critically ill patients with COVID-19 are prone to develop severe acute kidney injury (AKI), defined as KDIGO (Kidney Disease Improving Global Outcomes) stages 2 or 3. However, data are limited in these patients. We aimed to report the incidence, risk factors, and prognostic impact of severe AKI in critically ill patients with COVID-19 admitted to the intensive care unit (ICU) for acute respiratory failure. METHODS: A retrospective monocenter study including adult patients with laboratory-confirmed severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection admitted to the ICU for acute respiratory failure. The primary outcome was to identify the incidence and risk factors associated with severe AKI (KDIGO stages 2 or 3). RESULTS: Overall, 110 COVID-19 patients were admitted. Among them, 77 (70%) required invasive mechanical ventilation (IMV), 66 (60%) received vasopressor support, and 9 (8.2%) needed extracorporeal membrane oxygenation (ECMO). Severe AKI occurred in 50 patients (45.4%). In multivariable logistic regression analysis, severe AKI was independently associated with age (odds ratio (OR) = 1.08 (95% CI (confidence interval): 1.03-1.14), p = 0.003), IMV (OR = 33.44 (95% CI: 2.20-507.77), p = 0.011), creatinine level on admission (OR = 1.04 (95% CI: 1.008-1.065), p = 0.012), and ECMO (OR = 11.42 (95% CI: 1.95-66.70), p = 0.007). Inflammatory (interleukin-6, C-reactive protein, and ferritin) or thrombotic (D-dimer and fibrinogen) markers were not associated with severe AKI after adjustment for potential confounders. Severe AKI was independently associated with hospital mortality (OR = 29.73 (95% CI: 4.10-215.77), p = 0.001) and longer hospital length of stay (subhazard ratio = 0.26 (95% CI: 0.14-0.51), p < 0.001). At the time of hospital discharge, 74.1% of patients with severe AKI who were discharged alive from the hospital recovered normal or baseline renal function. CONCLUSION: Severe AKI was common in critically ill patients with COVID-19 and was not associated with inflammatory or thrombotic markers. Severe AKI was an independent risk factor of hospital mortality and hospital length of stay, and it should be rapidly recognized during SARS-CoV-2 infection.
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BACKGROUND: Severe asthma is a major burden on health-economic resources; hence, knowing the epidemiology of these patients is important in planning and provision of asthma care. In addition, identifying and managing the comorbidities helps improve symptoms and reduce associated morbidity and mortality. OBJECTIVES: Epidemiology of difficult asthma has not been well studied in the Middle East, so in this study, we present the demographic and clinical characteristics of severe asthma in the United Arab Emirates (UAE). METHODS: We retrospectively reviewed the notes of severe asthma patients attending three tertiary care hospitals between May 2015 and December 2019. Data on baseline demographics, asthma characteristics, treatment, and comorbidities were collected. RESULTS: We reviewed the notes of 458 patients (271 females and 187 males) that fulfilled the 2019 Global Initiative for Asthma guidelines for the diagnosis of severe asthma. The mean age was 47.7 (standard deviation 17.2) years. Males had significantly higher asthma control test scores (17.9 vs. 16, P = 0.01) and mean blood eosinophils (0.401 vs. 0.294, P <0.01) than females. The most common comorbidity observed was allergic rhinitis (52.2%) followed by gastroesophageal reflux disease (27.1%). In total, 109 (23.8%) patients were on biological therapies with most patients being on omalizumab and dupilumab (29 and 18 patients, respectively). Most patients were nonsmokers (97.2%), and majority were of TH2-high phenotype (75.7%). CONCLUSIONS: In this first report of severe asthma characteristics in the UAE, we found a pattern of female preponderance and most patients having a Th2-high phenotype. The findings are likely to help optimize asthma care in the region in the era of biologic therapies.
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Objectives: There are limited data regarding the efficacy of methylprednisolone in patients with acute respiratory distress syndrome (ARDS) due to coronavirus disease 2019 (COVID-19) requiring invasive mechanical ventilation. We aimed to determine whether methylprednisolone is associated with increases in the number of ventilator-free days (VFDs) among these patients. Design: Retrospective single-center study. Setting: Intensive care unit. Patients: All patients with ARDS due to confirmed SARS-CoV-2 infection and requiring invasive mechanical ventilation between 1 March and 29 May 2020 were included. Interventions: None. Measurements and Main Results: The primary outcome was ventilator-free days (VFDs) for the first 28 days. Defined as being alive and free from mechanical ventilation. The primary outcome was analyzed with competing-risks regression based on Fine and Gray's proportional sub hazards model. Death before day 28 was considered to be the competing event. A total of 77 patients met the inclusion criteria. Thirty-two patients (41.6%) received methylprednisolone. The median dose was 1 mg·kg-1 (IQR: 1-1.3 mg·kg-1) and median duration for 5 days (IQR: 5-7 days). Patients who received methylprednisolone had a mean 18.8 VFDs (95% CI, 16.6-20.9) during the first 28 days vs. 14.2 VFDs (95% CI, 12.6-16.7) in patients who did not receive methylprednisolone (difference, 4.61, 95% CI, 1.10-8.12, p = 0.001). In the multivariable competing-risks regression analysis and after adjusting for potential confounders (ventilator settings, prone position, organ failure support, severity of the disease, tocilizumab, and inflammatory markers), methylprednisolone was independently associated with a higher number of VFDs (subhazards ratio: 0.10, 95% CI: 0.02-0.45, p = 0.003). Hospital mortality did not differ between the two groups (31.2% vs. 28.9%, p = 0.82). Hospital length of stay was significantly shorter in the methylprednisolone group (24 days [IQR: 15-41 days] vs. 37 days [IQR: 23-52 days], p = 0.046). The incidence of positive blood cultures was higher in patients who received methylprednisolone (37.5% vs. 17.8%, p = 0.052). However, 81% of patients who received methylprednisolone also received tocilizumab. The number of days with hyperglycemia was similar in the two groups. Conclusions: Methylprednisolone was independently associated with increased VFDs and shortened hospital length of stay. The combination of methylprednisolone and tocilizumab was associated with a higher rate of positive blood cultures. Further trials are needed to evaluate the benefits and safety of methylprednisolone in moderate or severe COVID-19 ARDS.
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(1) Background: There are limited data regarding the efficacy of convalescent plasma (CP) in critically ill patients admitted to the intensive care unit (ICU) due to coronavirus disease 2019 (COVID-19). We aimed to determine whether CP is associated with better clinical outcome among these patients. (2) Methods: A retrospective single-center study including adult patients with laboratory-confirmed SARS-CoV-2 infection admitted to the ICU for acute respiratory failure. The primary outcome was time to clinical improvement, within 28 days, defined as patient discharged alive or reduction of 2 points on a 6-point disease severity scale. (3) Results: Overall, 110 COVID-19 patients were admitted. Thirty-two patients (29%) received CP; among them, 62.5% received at least one CP with high neutralizing antibody titers (≥1:160). Clinical improvement occurred within 28 days in 14 patients (43.7%) of the CP group vs. 48 patients (61.5%) in the non-CP group (hazard ratio (HR): 0.75 (95% CI: 0.41-1.37), p = 0.35). After adjusting for potential confounding factors, CP was not independently associated with time to clinical improvement (HR: 0.53 (95% CI: 0.23-1.22), p = 0.14). Additionally, the average treatment effects of CP, calculated using the inverse probability weights (IPW), was not associated with the primary outcome (-0.14 days (95% CI: -3.19-2.91 days), p = 0.93). Hospital mortality did not differ between CP and non-CP groups (31.2% vs. 19.2%, p = 0.17, respectively). Comparing CP with high neutralizing antibody titers to the other group yielded the same findings. (4) Conclusions: In this study of life-threatening COVID-19 patients, CP was not associated with time to clinical improvement within 28 days, or hospital mortality.
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Since its introduction over 9 years ago, capsule video endoscopy has become increasingly popular within the gastroenterology community, leading to its use in a growing number of patients including the elderly. With the widespread adoption of this diagnostic modality within the elderly population comes the added risk of capsule aspiration. We present such a case where a 90-year-old patient was admitted after accidental aspiration of a capsule. Removal of the capsule posed a therapeutic challenge. In the article, we discuss the novel use of a Roth Net expandable foreign body extractor to remove the capsule using a flexible bronchoscope with minimal need for sedation. As video capsule endoscopy is used more routinely in elderly patients and clinical pulmonologists will be more frequently called up to assist in foreign body removal, our experience highlights that it is possible to remove these large capsules with a flexible bronchoscope and avoid the need for rigid bronchoscopy in this high-risk patient group.
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Brônquios , Broncoscopia/métodos , Endoscopia por Cápsula , Corpos Estranhos/cirurgia , Aspiração Respiratória/complicações , Idoso de 80 Anos ou mais , Humanos , Masculino , Atelectasia Pulmonar/etiologia , Atelectasia Pulmonar/cirurgiaRESUMO
Metastatic pulmonary calcification is a metabolic lung disease that occurs due to a prolonged hypercalcemic state where calcium salts precipitate into numerous foci or nodules of fluffy calcifications in the lung apices, usually bilaterally. Calcifications can also occur in other organs such as in the stomach and the kidneys. It is often underdiagnosed and is usually associated with end stage renal failure and resultant secondary hyperparathyroidism. Nevertheless, it is rarely reported in the postcardiac surgery status and cardiac transplant patients. We present a case of a 15-year-old male patient with a recent history of cardiac transplant due to a complex congenital heart disease where findings of extensive metastatic pulmonary calcifications were seen a routine follow-up chest radiograph. Clinical manifestations of metastatic pulmonary calcifications can range from having no symptoms or mild dyspnea on exertion to fulminant respiratory failure. Therefore, early recognition of imaging features and initiation of proper management is crucial to the patient's outcome.
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INTRODUCTION: Surgical and percutaneous tracheostomy remains a commonly performed procedure in the intensive care unit (ICU). Given the unique patient population in the Middle East we decided to perform a review of the procedures performed in our hospital over a two-year period. METHODS: Single centre, retrospective observational study. All tracheostomies performed between January 2016 and January 2018 were included in the study. The primary outcome was the rate of tracheostomy complications. Multivariate logistic regression analysis was used to identify the independent factors associated with complications and decannulations. RESULTS: One hundred sixty-four patients were included in the study. Percutaneous tracheostomy was performed in 99 patients (60.4%). Complications occurred in thirty-eight patients (23%). Higher Left ventricular ejection fraction (OR = 0.94, 95%CI: [0.898-0.985]) and percutaneous tracheostomy (OR = 0.107, 95%CI: [0.029-0.401]) were associated with lower complications. Good Eastern Cooperative Oncology Group (ECOG) performance status (OR = 4.1, 95%CI: [1.3-13.3]) and downsized tracheostomy tube (OR = 6.5, 95%CI: [2.0-21.0]) were associated with successful decannulations. Successful decannulation was associated with lower hospital mortality when compated to those who could not be decannulated (3.2% vs 33.3% p < 0.0001). CONCLUSION: In our older population with high comorbidities, percutaneous tracheostomies were associated with less complications than surgical tracheostomies. Patients with poor premorbid functional status and those who could not have their tracheostomy tube sucessfuly downsized were less likely to be decannulated, and had a higher mortality. This data enables physicians to inform the families of the added risks involved with tracheostomy in this patient group.