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Canadian Respiratory Journal: Journal of the Canadian Thoracic Society

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https://www.readbyqxmd.com/read/28167860/the-effect-of-the-treatment-with-heated-humidified-high-flow-nasal-cannula-on-neonatal-respiratory-distress-syndrome-in-china-a-single-center-experience
#1
Ge Zheng, Xiao-Qiu Huang, Hui-Hui Zhao, Guo-Xing Jin, Bin Wang
Background. Noninvasive respiratory support is considered the optimal method of providing assistance to preterm babies with breathing problems, including nasal continuous positive airway pressure (NCPAP) and humidified high flow nasal cannula (HHHFNC). The evidence of the efficacy and safety of HHHFNC used as the primary respiratory support for respiratory distress syndrome (RDS) is insufficient in low- and middle-income countries. Objective. To investigate the effect of heated humidified high flow nasal cannula on neonatal respiratory distress syndrome compared with nasal continuous positive airway pressure...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28127232/computed-tomography-findings-of-pulmonary-mycobacterium-simiae-infection
#2
Ayeh Baghizadeh, Payam Mehrian, Poopak Farnia
Nontuberculous mycobacterial (NTM) pulmonary infections can be quite similar to tuberculosis, both clinically and radiologically. However, the treatment protocol is not similar. Mycobacterium simiae is a rare cause of NTM pulmonary infection. Herein, we aimed to evaluate and compare the computed tomography (CT) scan findings of M. simiae infection in lungs. For this reason, thirty-four patients (n = 34) with M. simiae lung infection were retrospectively evaluated. Diagnosis was confirmed by American Thoracic Society (ATS) guidelines and CT scans were reviewed in both lung and mediastinal windows...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28127231/mechanical-ventilation-during-extracorporeal-membrane-oxygenation-in-patients-with-acute-severe-respiratory-failure
#3
REVIEW
Zhongheng Zhang, Wan-Jie Gu, Kun Chen, Hongying Ni
Conventionally, a substantial number of patients with acute respiratory failure require mechanical ventilation (MV) to avert catastrophe of hypoxemia and hypercapnia. However, mechanical ventilation per se can cause lung injury, accelerating the disease progression. Extracorporeal membrane oxygenation (ECMO) provides an alternative to rescue patients with severe respiratory failure that conventional mechanical ventilation fails to maintain adequate gas exchange. The physiology behind ECMO and its interaction with MV were reviewed...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28127230/is-universal-screening-necessary-incidence-of-tuberculosis-among-tibetan-refugees-arriving-in-calgary-alberta
#4
Rachel Lim, Julie Jarand, Stephen K Field, Dina Fisher
Background. Canadian policy requires refugees with a history of tuberculosis (TB) or abnormal chest radiograph to be screened after arrival for TB. However, Tibetan refugees are indiscriminately screened, regardless of preimmigration assessment. We sought to determine the incidence of latent (LTBI) and active TB, as well as treatment-related outcomes and associations between preimmigration factors and TB infection among Tibetan refugees arriving in Calgary, Alberta. Design. Retrospective cohort study including Tibetan refugees arriving between 2014 and 2016...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28074083/management-of-malignant-pleural-effusion-with-asept%C3%A2-pleural-catheter-quality-of-life-feasibility-and-patient-satisfaction
#5
Inderdeep Dhaliwal, Masoud Mahdavian, Shabnam Asghari, Benson Chun To Wong, Rosalie Labelle, Kayvan Amjadi
Objective. The PleurX® IPC system has been used extensively in the past. Over time, management of MPE with the PleurX system can be costly. The new ASEPT pleural catheter, through advantages in design, may ultimately show cost savings. The primary outcome of this study was to evaluate safety and efficacy of the ASEPT system. Method. This single centre, prospective study enrolled 50 patients with MPE, who were followed for as long as they were alive with a catheter. Quality of Life (QoL) was assessed before, at 2 weeks, and 6 weeks after ASEPT catheter insertion using the EORTC QLQ-C30 and LC13 questionnaires...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28070158/obesity-and-sleep-related-breathing-disorders-in-middle-east-and-uae
#6
REVIEW
Mayank G Vats, Bassam H Mahboub, Hassan Al Hariri, Ashraf Al Zaabi, Deepa Vats
A pandemic of obesity is sweeping all across the globe and the Middle East region also does not remain untouched by this prevailing pandemic. In fact, as per WHO report, Kuwait has the second highest obesity prevalence followed closely by other Middle East (ME) countries, namely, Qatar, Saudi Arabia, and United Arab Emirates (UAE). Apart from direct medical, psychological, and quality of life related adverse effects of obesity, many indirect medical comorbidities, namely, obstructive sleep apnea (OSA), obesity hypoventilation syndrome (OHS), diabetes mellitus (DM), hypertension (HTN), and metabolic syndrome, imposes a significant health burden on the individual and community with consequent morbidity and mortality...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28070157/differentiating-malignant-from-tubercular-pleural-effusion-by-cancer-ratio-plus-cancer-ratio-pleural-lymphocyte-count
#7
Akash Verma, Rucha S Dagaonkar, Dominic Marshall, John Abisheganaden, R W Light
Background. We performed prospective validation of the cancer ratio (serum LDH : pleural ADA ratio), previously reported as predictive of malignant effusion retrospectively, and assessed the effect of combining it with "pleural lymphocyte count" in diagnosing malignant pleural effusion (MPE). Methods. Prospective cohort study of patients hospitalized with lymphocyte predominant exudative pleural effusion in 2015. Results. 118 patients, 84 (71.2%) having MPE and 34 (28.8%) having tuberculous pleural effusion (TPE), were analysed...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28058035/role-of-the-endobronchial-landmarks-guiding-tbna-and-ebus-tbna-in-lung-cancer-staging
#8
S Arias, Q H Liu, B Frimpong, H Lee, D Feller-Kopman, L Yarmus, K P Wang
Background. Lung cancer is the leading cause of malignancy related mortality in the United States. Accurate staging of NSCLC influences therapeutic decisions. Transbronchial needle aspiration (TBNA) and endobronchial ultrasound-guided TBNA (EBUS-TBNA) has been accepted as a procedure for the diagnosis and staging of lung cancer. The aim of this study is to evaluate the efficacy and adequacy of TBNA and EBUS-TBNA for sampling of mediastinal adenopathy using the Wang's eleven lymph node map stations. Methods...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28050155/decreased-s100a9-expression-promoted-rat-airway-smooth-muscle-cell-proliferation-by-stimulating-ros-generation-and-inhibiting-p38-mapk
#9
Lei-Miao Yin, Xiao-Jie Han, Ting-Ting Duan, Yu-Dong Xu, Yu Wang, Luis Ulloa, Yong-Qing Yang
Background. Asthma is a disease with a core abnormality in airway smooth muscle function, and the proliferation of airway smooth muscle cells (ASMCs) plays a pivotal role in asthma airway remodeling. Our previous study showed that S100A9 (S100 calcium-binding protein A9; 400 and 800 ng/mL) significantly inhibited rat ASMCs proliferation at 48 h, and 50-800 ng/mL S100A9 (50, 100, 200, 400, and 800 ng/mL) also induced a lasting effect by significantly inhibiting rat ASMCs proliferation at 72 h in a dose-dependent manner...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28044070/factors-associated-with-icu-admission-following-blunt-chest-trauma
#10
Andrea Bellone, Ilaria Bossi, Massimiliano Etteri, Francesca Cantaluppi, Paolo Pina, Massimo Guanziroli, AnnaMaria Bianchi, Giovanni Casazza
Background. Blunt chest wall trauma accounts for over 10% of all trauma patients presenting to emergency departments worldwide. When the injury is not as severe, deciding which blunt chest wall trauma patients require a higher level of clinical input can be difficult. We hypothesized that patient factors, injury patterns, analgesia, postural condition, and positive airway pressure influence outcomes. Methods. The study population consisted of patients hospitalized with at least 3 rib fractures (RF) and at least one pulmonary contusion and/or at least one pneumothorax lower than 2 cm...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28025593/tobacco-use-and-its-health-effects-among-professional-athletes-in-qatar
#11
Zaina Chaabane, Zsolt Murlasits, Ziyad Mahfoud, Ruben Goebel
The objective of the study was to determine the effects of tobacco use on selected markers of health and lung function in professional athletes. A total of 108 male professional athletes participated in the study from ten ball game teams in the same sport league in Qatar (age = 26.4 ± 5.1 yrs, height = 190.6 ± 11.9 cm, and weight = 91.5 ± 16.4 kg). The athletes have been playing professionally for about 6.3 years on average. In addition to demographic and tobacco use status, the following clinical variables were measured: resting blood pressure, heart rate, FVC, FEV1 sec, and PEF...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28025592/mortality-related-risk-factors-in-high-risk-pulmonary-embolism-in-the-icu
#12
Begüm Ergan, Recai Ergün, Taner Çalışkan, Kutlay Aydın, Murat Emre Tokur, Yusuf Savran, Uğur Koca, Bilgin Cömert, Necati Gökmen
Introduction. We sought to identify possible risk factors associated with mortality in patients with high-risk pulmonary embolism (PE) after intensive care unit (ICU) admission. Patients and Methods. PE patients, diagnosed with computer tomography pulmonary angiography, were included from two ICUs and were categorized into groups: group 1 high-risk patients and group 2 intermediate/low-risk patients. Results. Fifty-six patients were included. Of them, 41 (73.2%) were group 1 and 15 (26.7%) were group 2. When compared to group 2, need for vasopressor therapy (0 vs 68...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28018129/relationship-between-fev1-and-cardiovascular-risk-factors-in-general-population-without-airflow-limitation
#13
Jeong Hyeon Lee, Yun-Seong Kang, Yun-Jeong Jeong, Young-Soon Yoon, Won Gun Kwack, Jin Young Oh
Purpose. We aimed to determine the value of lung function measurement for predicting cardiovascular (CV) disease by evaluating the association between FEV1 (%) and CV risk factors in general population. Materials and Methods. This was a cross-sectional, retrospective study of subjects above 18 years of age who underwent health examinations. The relationship between FEV1 (%) and presence of carotid plaque and thickened carotid IMT (≥0.8 mm) was analyzed by multiple logistic regression, and the relationship between FEV1 (%) and PWV (%), and serum uric acid was analyzed by multiple linear regression...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28018128/lesser-toxicities-of-belotecan-in-patients-with-small-cell-lung-cancer-a-retrospective-single-center-study-of-camptothecin-analogs
#14
Yeon Hee Park, Chae Uk Chung, Bo Mi Park, Myoung Rin Park, Dong Il Park, Jae Young Moon, Hee Sun Park, Jin Hwan Kim, Sung Soo Jung, Ju Ock Kim, Sun Young Kim, Jeong Eun Lee
Purpose. Topotecan and belotecan are camptothecin derivatives that are used to treat small cell lung cancer (SCLC). This study compared the toxicities and efficacies of belotecan and topotecan monotherapies in patients with SCLC. Methods. We retrospectively reviewed data from 94 patients with SCLC (with or without prior chemotherapy) who were treated using belotecan monotherapy (n = 59, 188 cycles) or topotecan monotherapy (n = 35, 65 cycles) between September 2003 and December 2011. Results. Thrombocytopenia occurred during 42% and 61...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27994493/noninvasive-ventilation-with-heliox-for-respiratory-distress-syndrome-in-preterm-infant-a-systematic-review-and-meta-analysis
#15
REVIEW
Chen Long, Wang Li, Li Wanwei, Li Jie, Shi Yuan
Objectives. To assess whether noninvasive ventilation with Heliox reduces the need for endotracheal ventilation and subsequent complications in preterm infants with respiratory distress syndrome (RDS). Methods. A search of major electronic databases, including MEDLINE and the Cochrane Central Register of Controlled Trials, for randomized or quasi-randomized controlled trials that compared noninvasive ventilation with Heliox versus noninvasive ventilation with standard gas for preterm infants with RDS was performed...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27974870/hemodynamic-response-to-upper-airway-obstruction-in-hypertensive-and-normotensive-pregnant-women
#16
John Reid, Riley A Glew, Joe Mink, John Gjevre, Mark Fenton, Robert Skomro, Femi Olatunbosun
Background. Mild obstructive sleep apnea is common in pregnancy and may have an exacerbating role in gestational hypertension, although currently the interaction between these two diseases is uncertain. Methods. We analyzed 43 pregnant subjects, 28 with gestational hypertension (GH) and 15 with normal healthy pregnancy, by level I polysomnography. Additionally, diastolic and systolic blood pressure changes in response to obstructive respiratory events were measured by noninvasive beat-by-beat monitoring. We also assessed a subgroup (n = 27) of women with respiratory disturbance indexes <5, for blood pressure responses to very subtle obstructive respiratory disturbances ("airflow reductions")...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27891061/noninvasive-positive-pressure-ventilation-in-chronic-heart-failure
#17
REVIEW
Hao Jiang, Yi Han, Chenqi Xu, Jun Pu, Ben He
Instruction and Objectives. Noninvasive positive pressure ventilation (NPPV) alleviates sleep-disordered breathing (SDB) and it may improve cardiac function in SDB patients. Because large randomized controlled trials directly evaluating the impact of NPPV on cardiac function are lacking, we conducted a meta-analysis of published data on effectiveness of NPPV in improving cardiac function in patients with chronic heart failure regardless of SDB presence. Methods. Controlled trials were identified in PubMed, OVID, and EMBASE databases...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27867307/adequate-vitamin-d-intake-but-low-serum-levels-in-pediatric-asthma-patients-a-pilot-study-alberta-children-s-hospital
#18
Sarah Howe McKenna, Tanis R Fenton, Mary Noseworthy, Mark Anselmo
Background. We assessed vitamin D intakes and serum 25(OH) vitamin D levels in pediatric asthma patients on moderate-to-high dose inhaled steroids and compared them to published findings of healthy children in our city. Methods. Parents and/or patients were interviewed to estimate the children's vitamin D intakes from foods and supplements (using an adapted validated food frequency questionnaire) and asthma duration and management. Vitamin D status: serum 25-hyroxy vitamin D (25(OH)D) was obtained from the medical records...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27777507/fully-covered-metallic-stents-for-the-treatment-of-benign-airway-stenosis
#19
Caroline Dahlqvist, Sebahat Ocak, Maximilien Gourdin, Anne Sophie Dincq, Laurie Putz, Jean-Paul d'Odémont
Introduction. We herein report our experience with new fully covered self-expanding metallic stents in the setting of inoperable recurrent benign tracheobronchial stenosis. Methods. Between May 2010 and July 2014, 21 Micro-Tech® FC-SEMS (Nanjing Co., Republic of Korea) were placed in our hospital in 16 patients for inoperable, recurrent (after dilatation), and symptomatic benign airway stenosis. Their medical files were retrospectively reviewed in December 2014, with focus on stent's tolerance and durability data...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27774033/preliminary-evidence-of-reduced-urge-to-cough-and-cough-response-in-four-individuals-following-remote-traumatic-brain-injury-with-tracheostomy
#20
Erin Silverman, Christine M Sapienza, Sarah Miller, Giselle Carnaby, Charles Levy, Hsiu-Wen Tsai, Paul W Davenport
Cough and swallow protect the lungs and are frequently impaired following traumatic brain injury (TBI). This project examined cough response to inhaled capsaicin solution challenge in a cohort of four young adults with a history of TBI within the preceding five years. All participants had a history of tracheostomy with subsequent decannulation and dysphagia after their injuries (resolved for all but one participant). Urge to cough (UTC) and cough response were measured and compared to an existing database of normative cough response data obtained from 32 healthy controls (HCs)...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
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