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Canadian Respiratory Journal: Journal of the Canadian Thoracic Society

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https://www.readbyqxmd.com/read/28546781/role-of-adult-asthma-education-in-improving-asthma-control-and-reducing-emergency-room-utilization-and-hospital-admissions-in-an-inner-city-hospital
#1
Rashmi Mishra, Muhammad Kashif, Sindhaghatta Venkatram, Teresa George, Kristina Luo, Gilda Diaz-Fuentes
Objective. Asthma education programs have been shown to decrease healthcare utilization and improve disease control and management. The purpose of our study was to evaluate the impact of an outpatient adult asthma education program in an inner city hospital caring for patients with low socioeconomic and educational status. Methods. An asthma education program was implemented in September 2014. Patients who received education from September 2014 to July 2015 were evaluated. Outcomes were compared for the same group of patients before and after education...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28522921/thin-air-resulting-in-high-pressure-mountain-sickness-and-hypoxia-induced-pulmonary-hypertension
#2
REVIEW
Jan Grimminger, Manuel Richter, Khodr Tello, Natascha Sommer, Henning Gall, Hossein Ardeschir Ghofrani
With rising altitude the partial pressure of oxygen falls. This phenomenon leads to hypobaric hypoxia at high altitude. Since more than 140 million people permanently live at heights above 2500 m and more than 35 million travel to these heights each year, understanding the mechanisms resulting in acute or chronic maladaptation of the human body to these circumstances is crucial. This review summarizes current knowledge of the body's acute response to these circumstances, possible complications and their treatment, and health care issues resulting from long-term exposure to high altitude...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28512388/insufficient-humidification-of-respiratory-gases-in-patients-who-are-undergoing-therapeutic-hypothermia-at-a-paediatric-and-adult-intensive-care-unit
#3
Yukari Tanaka, Sachiko Iwata, Masahiro Kinoshita, Kennosuke Tsuda, Shoichiro Tanaka, Naoko Hara, Ryota Shindou, Eimei Harada, Ryouji Kijima, Osamu Yamaga, Hitoe Ohkuma, Kazuo Ushijima, Teruo Sakamoto, Yushiro Yamashita, Osuke Iwata
For cooled newborn infants, humidifier settings for normothermic condition provide excessive gas humidity because absolute humidity at saturation is temperature-dependent. To assess humidification of respiratory gases in patients who underwent moderate therapeutic hypothermia at a paediatric/adult intensive care unit, 6 patients were studied over 9 times. Three humidifier settings, 37-default (chamber-outlet, 37°C; Y-piece, 40°C), 33.5-theoretical (chamber-outlet, 33.5°C; Y-piece, 36.5°C), and 33.5-adjusted (optimised setting to achieve saturated vapour at 33...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28487624/clara-cell-protein-expression-in-mechanically-ventilated-term-and-preterm-infants-with-respiratory-distress-syndrome-and-at-risk-of-bronchopulmonary-dysplasia-a-pilot-study
#4
José Guzmán-Bárcenas, Antonio Calderón-Moore, Héctor Baptista-González, Claudine Irles
The aim of this pilot study was to determine Clara cell protein (CC16) concentration in bronchoalveolar lavages (BAL) fluid from full-term and preterm (<37 weeks' gestational age) neonates requiring respiratory support, having symptoms of neonatal respiratory distress syndrome, and at risk of bronchopulmonary dysplasia (BPD). We hypothesized that CC16 may be predictive of BPD diagnosis regardless of gestational age. BAL fluid CC16 was measured by ELISA at birth and at day 7 of life. Both groups that developed BPD showed significantly decreased BAL fluid CC16 levels compared to those infants that did not develop the disease...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28487623/differential-expression-of-serum-proteins-in-rats-with-allergic-asthma-a-study-based-on-the-nanoliter-two-dimensional-liquid-chromatography-technique
#5
Xingke Yan, Ao Zhang, Lu Yu, Cheng Chen, Haifu Cui
Objective. To investigate the pathogenesis of allergic asthma via the nanoliter two-dimensional liquid chromatography (nano-2D-LC) technique. Method. 24 Wistar rats were randomized into 3 groups: the blank-control group (A), the restrained group (B), and the asthma model group (C). The nanoliter two-dimensional liquid chromatography (nano-2D-LC) technique was used to study the differential protein expressions of the serum in asthmatic rats. Results. Compared with the restrained group, the data from the asthma model group displayed a distinctive peak, that is, peak number 13 (94...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28465661/primary-spontaneous-pneumothorax-admitted-in-emergency-unit-does-first-episode-differ-from-recurrence-a-cross-sectional-study
#6
S Kepka, J C Dalphin, A L Parmentier, J B Pretalli, M Gantelet, N Bernard, F Mauny, T Desmettre
Introduction. Management of primary spontaneous pneumothorax (PSP) consists of immediate resolution of pleural air, or observation, and prevention of recurrence. The risk factors for recurrence remain debated. Objectives. We aimed to describe and compare the characteristics of patients presenting a first episode of PSP to those of patients presenting a recurrent PSP, in order to identify factors potentially related to recurrence. Methods. We conducted a cross-sectional study including all admissions for PSP in the EDs of fourteen French public hospitals from 2009 to 2013...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28424565/invasive-pneumococcal-disease-still-lots-to-learn-and-a-need-for-standardized-data-collection-instruments
#7
T J Marrie, G J Tyrrell, Sumit R Majumdar, Dean T Eurich
Background. Large studies of invasive pneumococcal disease (IPD) are frequently lacking detailed clinical information. Methods. A population-based 15-year study of IPD in Northern Alberta. Results. 2435 patients with a mean age of 54.2 years formed the study group. Males outnumbered females and Aboriginal and homeless persons were overrepresented. High rates of smoking, excessive alcohol use, and illicit drug use were seen. Almost all (87%) had a major comorbidity and 15% had functional limitations prior to admission...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28386166/primary-and-secondary-spontaneous-pneumothorax-prevalence-clinical-features-and-in-hospital-mortality
#8
Takuya Onuki, Sho Ueda, Masatoshi Yamaoka, Yoshiaki Sekiya, Hitoshi Yamada, Naoki Kawakami, Yuichi Araki, Yoko Wakai, Kazuhito Saito, Masaharu Inagaki, Naoki Matsumiya
Background. Optimal treatment practices and factors associated with in-hospital mortality in spontaneous pneumothorax (SP) are not fully understood. We evaluated prevalence, clinical characteristics, and in-hospital mortality among Japanese patients with primary or secondary SP (PSP/SSP). Methods. We retrospectively reviewed and stratified 938 instances of pneumothorax in 751 consecutive patients diagnosed with SP into the PSP and SSP groups. Factors associated with in-hospital mortality in SSP were identified by multiple logistic regression analysis...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28386165/effect-of-antipyretic-therapy-on-mortality-in-critically-ill-patients-with-sepsis-receiving-mechanical-ventilation-treatment
#9
Sheng Ye, Dan Xu, Chenmei Zhang, Mengyao Li, Yanyi Zhang
Purpose. The study aimed to investigate the effectiveness of antipyretic therapy on mortality in critically ill patients with sepsis requiring mechanical ventilation. Methods. In this study, we employed the multiparameter intelligent monitoring in intensive care II (MIMIC-II) database (version 2.6). All patients meeting the criteria for sepsis and also receiving mechanical ventilation treatment were included for analysis, all of whom suffer from fever or hyperthermia. Logistic regression model and R language (R version 3...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28348502/nontuberculous-mycobacteria-in-saudi-arabia-and-gulf-countries-a-review
#10
REVIEW
Hawra Al-Ghafli, Sahal Al-Hajoj
Nontuberculous Mycobacteria (NTM) are causing growing health problems worldwide. This is indicated by an increasing amount of scientific reports showing not only well-identified species reemerging but also emergence of new species. The emergence and reemergence of NTM are particularly worrying in developing countries due to scarce published data and improper identification. Here we aimed to examine the main epidemiological aspects and diagnostic challenges associated with NTM in countries of the Gulf Cooperation Council (GCC) and compare these findings to the international arena findings...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28316463/the-role-of-serotonin-transporter-in-human-lung-development-and-in-neonatal-lung-disorders
#11
E C C Castro, P Sen, W T Parks, C Langston, C Galambos
Introduction. Failure of the vascular pulmonary remodeling at birth often manifests as pulmonary hypertension (PHT) and is associated with a variety of neonatal lung disorders including a uniformly fatal developmental disorder known as alveolar capillary dysplasia with misalignment of pulmonary veins (ACD/MPV). Serum serotonin regulation has been linked to pulmonary vascular function and disease, and serotonin transporter (SERT) is thought to be one of the key regulators in these processes. We sought to find evidence of a role that SERT plays in the neonatal respiratory adaptation process and in the pathomechanism of ACD/MPV...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28298878/effect-of-high-flow-nasal-cannula-versus-conventional-oxygen-therapy-for-patients-with-thoracoscopic-lobectomy-after-extubation
#12
Yuetian Yu, Xiaozhe Qian, Chunyan Liu, Cheng Zhu
Objective. To investigate whether high-flow nasal cannula (HFNC) oxygen therapy is superior to conventional oxygen therapy for reducing hypoxemia and postoperative pulmonary complications (PPC) in patients with thoracoscopic lobectomy after extubation. Methods. Patients with intermediate to high risk for PPC were enrolled in this study. Subjects were randomly assigned to HFNC group (HFNCG) or conventional oxygen group (COG) following extubation. Arterial blood samples were collected after extubation at 1, 2, 6, 12, 24, 48, and 72 h...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28293128/exhaled-nitric-oxide-in-systemic-sclerosis-lung-disease
#13
Natalie K Kozij, John T Granton, Philip E Silkoff, John Thenganatt, Shobha Chakravorty, Sindhu R Johnson
Background. Exhaled nitric oxide (eNO) is a potential biomarker to distinguish systemic sclerosis (SSc) associated pulmonary arterial hypertension (PAH) and interstitial lung disease (ILD). We evaluated the discriminative validity, feasibility, methods of eNO measurement, and magnitude of differences across lung diseases, disease-subsets (SSc, systemic lupus erythematosus), and healthy-controls. Methods. Consecutive subjects in the UHN Pulmonary Hypertension Programme were recruited. Exhaled nitric oxide was measured at 50 mL/s intervals using chemiluminescent detection...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28286407/pulmonary-hypertension-associated-with-idiopathic-pulmonary-fibrosis-current-and-future-perspectives
#14
REVIEW
Scott D Collum, Javier Amione-Guerra, Ana S Cruz-Solbes, Amara DiFrancesco, Adriana M Hernandez, Ankit Hanmandlu, Keith Youker, Ashrith Guha, Harry Karmouty-Quintana
Pulmonary hypertension (PH) is commonly present in patients with chronic lung diseases such as Chronic Obstructive Pulmonary Disease (COPD) or Idiopathic Pulmonary Fibrosis (IPF) where it is classified as Group III PH by the World Health Organization (WHO). PH has been identified to be present in as much as 40% of patients with COPD or IPF and it is considered as one of the principal predictors of mortality in patients with COPD or IPF. However, despite the prevalence and fatal consequences of PH in the setting of chronic lung diseases, there are limited therapies available for patients with Group III PH, with lung transplantation remaining as the most viable option...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28270738/assessing-survival-and-grading-the-severity-of-complications-in-octogenarians-undergoing-pulmonary-lobectomy
#15
Andrew Feczko, Elizabeth McKeown, Jennifer L Wilson, Brian E Louie, Ralph W Aye, Jed A Gorden, Eric Vallières, Alexander S Farivar
Introduction. Octogenarians are at increased risk for complications after lung resection. With alternatives such as radiation, understanding the risks of surgery and associated survival are valuable. Data grading the severity of complications and long-term survival in this population is lacking. We reviewed our experience with lobectomy in octogenarians, grading complications using a validated thoracic morbidity and mortality schema. Methods. We retrospectively reviewed consecutive patients aged ≥80 undergoing lobectomy between 2004 and 2012...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28270737/comparison-of-comfort-and-effectiveness-of-total-face-mask-and-oronasal-mask-in-noninvasive-positive-pressure-ventilation-in-patients-with-acute-respiratory-failure-a-clinical-trial
#16
Somayeh Sadeghi, Atefeh Fakharian, Peiman Nasri, Arda Kiani
Background. There is a growing controversy about the use of oronasal masks (ONM) or total facemask (TFM) in noninvasive positive pressure ventilation (NPPV), so we designed a trial to compare the uses of these two masks in terms of effectiveness and comfort. Methods. Between February and November 2014, a total of 48 patients with respiratory failure were studied. Patients were randomized to receive NPPV via ONM or TFM. Data were recorded at 60 minutes and six and 24 hours after intervention. Patient comfort was assessed using a questionnaire...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28265181/comparison-of-the-fractional-exhaled-nitric-oxide-levels-in-adolescents-at-three-schools-located-three-different-distances-from-a-large-steel-mill
#17
Murat Acat, Yusuf Aydemir, Onur Yazıcı, Mahmut Turğut, Mustafa Çörtük, Murat Çakar, Zehra Yaşar, Sami Deniz, Erdoğan Çetinkaya
Objectives. Exposure to ambient metals and air pollutants in urban environments has been associated with impaired lung health and inflammation in the lungs. Fractional exhaled nitric oxide (FeNO) is a reliable marker of airway inflammation. In this study, we aimed to compare the FeNO levels of three schools that have different distances from iron and steel industry zone for assessing the effects of heavy metals and air pollution on their respiratory health. Methods. Pulmonary function test and FeNO measurements were evaluated in 387 adolescents in three schools which have different distance from plant...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28265180/assessment-of-aerobic-exercise-adverse-effects-during-copd-exacerbation-hospitalization
#18
Caroline Knaut, Carolina Bonfanti Mesquita, Laura M O Caram, Renata Ferrari, Victor Zuniga Dourado, Irma de Godoy, Suzana Erico Tanni
Introduction. Aerobic exercise performed after hospital discharge for exacerbated COPD patients is already recommended to improve respiratory and skeletal muscle strength, increase tolerance to activity, and reduce the sensation of dyspnea. Previous studies have shown that anaerobic activity can clinically benefit patients hospitalized with exacerbated COPD. However, there is little information on the feasibility and safety of aerobic physical activity performed by patients with exacerbated COPD during hospitalization...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28246487/harmful-effects-of-hyperoxia-in-postcardiac-arrest-sepsis-traumatic-brain-injury-or-stroke-the-importance-of-individualized-oxygen-therapy-in-critically-ill-patients
#19
REVIEW
Jean-Louis Vincent, Fabio Silvio Taccone, Xinrong He
The beneficial effects of oxygen are widely known, but the potentially harmful effects of high oxygenation concentrations in blood and tissues have been less widely discussed. Providing supplementary oxygen can increase oxygen delivery in hypoxaemic patients, thus supporting cell function and metabolism and limiting organ dysfunction, but, in patients who are not hypoxaemic, supplemental oxygen will increase oxygen concentrations into nonphysiological hyperoxaemic ranges and may be associated with harmful effects...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28239256/outdoor-environment-and-pediatric-asthma-an-update-on-the-evidence-from-north-america
#20
REVIEW
Jenna Pollock, Lu Shi, Ronald W Gimbel
Introduction. The evidence about the association between asthma and outdoor environmental factors has been inadequate for certain allergens. Even less is known about how these associations vary across seasons and climate regions. We reviewed recent literature from North America for research related to outdoor environmental factors and pediatric asthma, with attention to spatial-temporal variations of these associations. Method. We included indexed literature between years 2010 and 2015 on outdoor environmental factors and pediatric asthma, by searching PubMed...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
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