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https://www.readbyqxmd.com/read/29452098/features-of-chronic-obstructive-pulmonary-disease-as-predictors-of-lung-cancer
#1
Laurie L Carr, Sean Jacobson, David A Lynch, Marilyn G Foreman, Eric L Flenaugh, Craig P Hersh, Frank C Sciurba, David O Wilson, Jessica C Sieren, Patrick Mulhall, Victor Kim, C Matthew Kinsey, Russell P Bowler
BACKGROUND: Lung cancer is a leading cause of death and hospitalization for patients with chronic obstructive lung disease, (COPD); a detailed understanding of which clinical features of COPD increase risk is needed. METHODS: To identify clinical and imaging features of smokers, with and without COPD, that are associated with an increased risk of lung cancer, we performed a nested case-control study of COPDGene subjects with and without lung cancer, age 45-80, who smoked at least 10-pack years...
February 13, 2018: Chest
https://www.readbyqxmd.com/read/29451599/first-case-report-of-atypical-disseminated-cutaneous-leishmaniasis-in-an-opium-abuser-in-iran
#2
Seyed Ahmad Hashemi, Alireza Badirzadeh, Sadaf Sabzevari, Ali Nouri, Mohammad Seyyedin
Leishmaniasis is a worldwide tropical infectious disease caused by different species of intracellular protozoa parasites of the genus Leishmania . Herein, we report a 78-year-old man with unusual diffuse cutaneous leishmaniasis (DCL) who had a history of opium abuse and chronic obstructive pulmonary disease (COPD). He had multiple papular, crusted and severely ulcerated lesions extended to his arm and chest. Direct smears and skin punch biopsy of the lesions were suggestive of leishmaniasis. Parasite DNA was amplified from ulcers, and identified as Leishmania major by PCR-RFLP, confirmed by sequencing analyses...
2018: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29451042/dual-laba-lama-bronchodilators-in-chronic-obstructive-pulmonary-disease-why-when-and-how
#3
Luigino Calzetta, Maria Gabriella Matera, Paola Rogliani, Mario Cazzola
No abstract text is available yet for this article.
February 16, 2018: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/29450591/occurrence-of-pneumonitis-following-radiotherapy-of-breast-cancer-a-prospective-study
#4
Danijela Vasiljevic, Christoph Arnold, David Neuman, Katharina Fink, Marina Popovscaia, Irma Kvitsaridze, Meinhard Nevinny-Stickel, Markus Glatzer, Peter Lukas, Thomas Seppi
AIM: of this study is to determine the temporal resolution of therapy-induced pneumonitis, and to assess promoting factors in adjuvant treated patients with unilateral mammacarcinoma. PATIENTS AND METHODS: A total of 100 post-surgery patients were recruited. The cohort was treated by 2 field radiotherapy (2FRT; breast and chest wall, N = 75), 3 field radiotherapy (3FRT; + supraclavicular lymphatic region, N = 8), or with 4 field radiotherapy (4FRT; + parasternal lymphatic region, N = 17)...
February 15, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29449950/impact-of-malnutrition-on-survival-and-healthcare-utilization-in-medicare-beneficiaries-with-diabetes-a-retrospective-cohort-analysis
#5
Naseer Ahmed, Yong Choe, Vikkie A Mustad, Sumita Chakraborty, Scott Goates, Menghua Luo, Jeffrey I Mechanick
Objective: The aim of this study was to examine the impact of pre-existing malnutrition on survival and economic implications in elderly patients with diabetes. Research design and methods: A retrospective observational study was conducted to examine the impact of malnutrition with or without other significant health conditions on survival time and healthcare costs using the Centers for Medicare and Medicaid Services (CMS) data from 1999 to 2014 for beneficiaries with a confirmed first date of initial diagnosis of diabetes (n=15 121 131)...
2018: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/29449621/polygonum-aviculare-l-extract-and-quercetin-attenuate-contraction-in-airway-smooth-muscle
#6
Xi Luo, Lu Xue, Hao Xu, Qing-Yang Zhao, Qian Wang, Yu-Shan She, Dun-An Zang, Jinhua Shen, Yong-Bo Peng, Ping Zhao, Meng-Fei Yu, Weiwei Chen, Li-Qun Ma, Shu Chen, Shanshan Chen, Xiangning Fu, Sheng Hu, Xiaowei Nie, Chenyou Shen, Chunbin Zou, Gangjian Qin, Jiapei Dai, Guangju Ji, Yunchao Su, Shen Hu, Jingyu Chen, Qing-Hua Liu
Because of the serious side effects of the currently used bronchodilators, new compounds with similar functions must be developed. We screened several herbs and found that Polygonum aviculare L. contains ingredients that inhibit the precontraction of mouse and human airway smooth muscle (ASM). High K + -induced precontraction in ASM was completely inhibited by nifedipine, a selective blocker of L-type voltage-dependent Ca 2+ channels (LVDCCs). However, nifedipine only partially reduced the precontraction induced by acetylcholine chloride (ACH)...
February 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29449345/antimicrobial-activity-of-a-novel-bioengineered-honey-against-non-typeable-haemophilus-influenzae-biofilms-an-in-vitro-study
#7
Rachel S Newby, Matthew Dryden, Raymond N Allan, Rami J Salib
The opportunistic pathogen non-typeable Haemophilus influenzae (NTHi) plays an important role in many chronic respiratory diseases including otitis media, chronic rhinosinusitis, cystic fibrosis and chronic obstructive pulmonary disease. Biofilm formation has been implicated in NTHi colonisation, persistence of infection and recalcitrance towards antimicrobials. There is therefore a pressing need for the development of novel treatment strategies that are effective against NTHi biofilm-associated diseases. SurgihoneyRO is a honey-based product that has been bioengineered to enable the slow release of H 2 O 2 , a reactive oxygen species to which H...
February 15, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29448096/ampk-alleviates-endoplasmic-reticulum-stress-by-inducing-the-er-chaperone-orp150-via-foxo1-to-protect-human-bronchial-cells-from-apoptosis
#8
Ji-Qiang Liu, Li Zhang, Ji Yao, Shuo Yao, Ting Yuan
Chronic obstructive pulmonary disease (COPD), is characterized by inflammation of airways accompanied by a progressive destruction of lung parenchyma. This process is initiated in most cases by cigarette smoking. In this study we investigated the role of AMP activated protein kinase (AMPK) in cigarette smoke extract (CSE)-induced airway epithelial cell apoptosis as a consequence of endoplasmic reticulum stress (ER stress). Exposure of human bronchial epithelial cells (HBEpC) to CSE resulted in apoptosis as detected using Annexin V-PI flow cytometry...
February 12, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29447854/risk-factors-associated-complications-for-postoperative-urinary-retention-after-lumbar-surgery-for-lumbar-spinal-stenosis
#9
Joshua L Golubovsky, Haariss Ilyas, Jinxiao Chen, Joseph E Tanenbaum, Thomas E Mroz, Michael P Steinmetz
BACKGROUND CONTEXT: Postoperative Urinary Retention (POUR) is a very common post-operative complication of all surgeries (5 - 70%) that may lead to complications such as urinary tract infection (UTI), bladder over-distention, autonomic dysregulation, and increased postoperative length of stay (LOS). Within the field of spine surgery, the reported incidence of POUR is highly variable (5.6 - 38%). Lack of clear stratification of surgical level, spinal pathology, and inadequate sample size is a major limitation of available studies concerning POUR following spine surgery that may lead to inconsistency in the incidence of POUR and the ability to model its occurrence and consequences...
February 12, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29447461/genetic-ablation-of-p16-ink4a-does-not-protect-against-cellular-senescence-in-mouse-models-of-copd-emphysema
#10
Isaac K Sundar, Kahkashan Rashid, Janice Gerloff, Dongmei Li, Irfan Rahman
Cigarette smoke (CS) affects DNA damage and cellular senescence signaling pathways in the pathogenesis of chronic obstructive pulmonary disease (COPD). p16(INK4a) (p16: a cyclin-dependent kinase inhibitor) is a key marker of cellular senescence, which is induced by CS in lung cells. It is thought that removal of p16 attenuates premature aging by removing senesced cells. However, the role of p16 in CS-induced stress induce premature senescence (SIPS) and senescence-associated secretory phenotype (SASP during the development of COPD/emphysema is not known...
February 15, 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29447344/the-balance-between-short-term-and-long-term-outcomes-of-bilateral-internal-thoracic-artery-skeletonization-in-coronary-artery-bypass-surgery-a-propensity-matched-cohort-study
#11
Janet M C Ngu, Ming Hao Guo, David Glineur, Diem Tran, Fraser D Rubens
OBJECTIVES: There is growing interest in the use of bilateral internal thoracic arteries (BITAs) for myocardial revascularization. This study sought to compare the balance between early benefits and long-term outcomes of skeletonized or non-skeletonized conduits and to determine whether differences in outcomes are affected by other patient risk factors. METHODS: BITAs were used in 1504 cases with either SK or NSK conduits. Propensity matching was completed using 22 covariates identifying 441 pairs of patients...
February 13, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29446981/diet-pattern-and-respiratory-morbidity-in-the-atherosclerosis-risk-in-communities-study
#12
Emily P Brigham, Lyn M Steffen, Stephanie J London, Danielle Boyce, Gregory B Diette, Nadia N Hansel, Jessica Rice, Meredith C McCormack
RATIONALE: Dietary intake is a potential risk factor for respiratory morbidity in adult populations. Few studies capture the effect of diet patterns, representative of combination of nutrients consumed, on respiratory morbidity in combination with objective measures of lung function. OBJECTIVES: To evaluate patterns of dietary intake in relation to respiratory morbidity and objective measures of lung function in a U.S. POPULATION: <AbstractText Label="METHODS" NlmCategory="METHODS">The Atherosclerosis Risk in Communities (ARIC) Study enrolled 15,792 participants from four U...
February 15, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29446474/between-hope-and-hopelessness-copd-patients-and-their-family-members-experiences-of-interacting-with-healthcare-providers-a-qualitative-longitudinal-study
#13
Ingrid Charlotte Andersen, Thora Grothe Thomsen, Poul Bruun, Uffe Bødtger, Lise Hounsgaard
BACKGROUND: Patient-family-healthcare provider interaction seems important for patients with chronic obstructive pulmonary disease (COPD) and their family members' self-management practices. Because the need for support might be enhanced after a hospitalisation, it might be beneficial to explore this interaction further in follow-up health care. AIM: To explore the meaning of patients' and their family members' experiences of interacting with healthcare providers to their daily self-management over time...
February 15, 2018: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/29445935/readmission-due-to-exacerbation-of-copd-associated-factors
#14
Alicia Cerezo Lajas, Enrique Gutiérrez González, César Llorente Parrado, Luis Puente Maestu, Javier de Miguel-Díez
OBJECTIVES: To compare characteristics of patients readmitted after discharge by chronic obstructive pulmonary disease (COPD) exacerbation with those who were not readmitted and to identify factors associated with readmission risk. PATIENTS AND METHODS: We randomly selected a group of 40 COPD patients with high frequency of readmissions (HFR), who had ≥ 2 admissions by COPD exacerbation within 30 days after the last admission in 2015, and another group of 40 COPD patients with low frequency of readmissions (LFR), with 0-1 admissions in that period...
February 14, 2018: Lung
https://www.readbyqxmd.com/read/29445539/the-clinical-usefulness-of-a-self-administered-questionnaire-for-sleep-disordered-breathing-in-patients-with-neuromuscular-disease
#15
Cathy Zhang, Michelle Ramsay, Panagis Drakatos, Joerg Steier
Background: Patients with neuromuscular disease (NMD) are at risk of developing sleep-disordered breathing (SDB) with hypercapnic respiratory failure. We hypothesised that a self-administered questionnaire (SiNQ-5 scores) may be useful to assess patients who are established on treatment for NMD with SDB. Methods: Patients attending a tertiary referral centre filled in the SiNQ-5 (range 0-10 points, lower scores indicating fewer symptoms). The questionnaire contains five questions related to breathlessness, sleep and posture...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29445530/update-non-invasive-ventilation-in-chronic-obstructive-pulmonary-disease
#16
REVIEW
Neeraj Mukesh Shah, Rebecca Francesca D'Cruz, Patrick B Murphy
Chronic obstructive pulmonary disease (COPD) remains a common cause of morbidity and mortality worldwide. Patients with COPD and respiratory failure, whether acute or chronic have a poorer prognosis than patients without respiratory failure. Non-invasive ventilation (NIV) has been shown to be a useful tool in both the acute hospital and chronic home care setting. NIV has been well established as the gold standard therapy for acute decompensated respiratory failure complicating an acute exacerbation of COPD with reduced mortality and intubation rates compared to standard therapy...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29445272/ct-densitometry-in-emphysema-a-systematic-review-of-its-clinical-utility
#17
Diana Crossley, Mary Renton, Muhammad Khan, Emma V Low, Alice M Turner
Background: The aim of the study was to assess the relationship between computed tomography (CT) densitometry and routine clinical markers in patients with chronic obstructive pulmonary disease (COPD) and alpha-1 anti-trypsin deficiency (AATD). Methods: Multiple databases were searched using a combination of pertinent terms and those articles relating quantitatively measured CT densitometry to clinical outcomes. Studies that used visual scoring only were excluded, as were those measured in expiration only...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29445270/alterations-of-the-default-mode-network-and-cognitive-impairments-in-patients-with-chronic-obstructive-pulmonary-disease
#18
Xianwei Hu, Haibao Wang, Youhui Tu, Mengdi Fei, Minmin Yin, Guanghe Fei, Yongqiang Yu
Background and objectives: Cognitive impairment is a common extrapulmonary comorbidity in COPD patients. The default mode network (DMN) plays a critical role in maintaining the normal activities of humans, and its function can be evaluated by resting state functional magnetic resonance imaging. The aim of this study was to investigate the correlations between cognition and function changes of the DMN in COPD patients. Methods: One hundred and thirteen eligible participants including 30 control subjects and 83 COPD patients matched for demographic characteristics were recruited...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29444916/low-uptake-of-palliative-care-for-copd-patients-within-primary-care-in-the-uk
#19
Chloe I Bloom, Bhavan Slaich, Daniel R Morales, Liam Smeeth, Patrick Stone, Jennifer K Quint
Mortality and symptom burden from chronic obstructive pulmonary disease (COPD) and lung cancer are similar but there is thought to be an inequality in palliative care support (PCS) between diseases. This nationally representative study assessed PCS for COPD patients within primary care in the UK.This was a cohort study using electronic healthcare records (2004-2015). Factors associated with receiving PCS were assessed using logistic regression for the whole cohort and deceased patients.There were 92 365 eligible COPD patients, of which 26 135 died...
February 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29444912/analysis-of-airway-pathology-in-copd-using-a-combination-of-computed-tomography-micro-computed-tomography-and-histology
#20
Naoya Tanabe, Dragoş M Vasilescu, Miranda Kirby, Harvey O Coxson, Stijn E Verleden, Bart M Vanaudenaerde, Daisuke Kinose, Yasutaka Nakano, Peter D Paré, James C Hogg
The small conducting airways are the major site of obstruction in chronic obstructive pulmonary disease (COPD). This study examined small airway pathology using a novel combination of multidetector row computed tomography (MDCT), micro-computed tomography (microCT) and histology.Airway branches visible on specimen MDCT were counted and the dimensions of the third- to fifth-generation airways were computed, while the terminal bronchioles (designated TB), preterminal bronchioles (TB-1) and pre-preterminal bronchioles (TB-2) were examined with microCT and histology in eight explanted lungs with end-stage COPD and seven unused donor lungs that served as controls...
February 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
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