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Pulmonary function testing

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https://www.readbyqxmd.com/read/28827137/a-novel-mechanism-of-ascorbate-direct-modulation-of-soluble-epoxide-hydrolase
#1
Bin Zhang, Sharath Kandhi, Yang-Ming Yang, Yicong Le, Wensheng Deng, Jun Qin, Houli Jiang, Ghezal Froogh, Dong Sun, An Huang
To test the hypothesis that VitC downregulates soluble epoxide hydrolase (sEH, responsible for converting EETs to DHETs) to stabilize tissue EETs, the heart, lung, liver, kidney, and mesenteric arteries isolated from normal rats were incubated with VitC (1000μM) for 72hours, and tissue sEH expression, along with EET and DHET profiles were assessed. VitC caused significant reductions in sEH mRNA and protein content in the liver, heart and vessels, but had no effect on renal and pulmonary sEH expression, revealing a tissue-specific regulatory mechanism...
August 18, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28826665/the-carcinologic-handicap-index-chi-a-disability-self-assessment-questionnaire-for-head-and-neck-cancer-patients
#2
M Balaguer, J Percodani, V Woisard
INTRODUCTION: The present prospective study sought to draw up and validate a self-assessment questionnaire for disability following head and neck cancer treatment. MATERIAL AND METHOD: The Carcinologic Handicap Index (CHI) was designed empirically based on the Voice Handicap Index. It comprises 9 dimensions, self-assessed by the patient: pain, swallowing, feeding, respiration, phonation, hearing, vision, olfaction-gustation, and psychosocial. For each dimension, 4 items are scored in terms of frequency, providing dimension and global scores...
August 18, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28818054/comparison-of-the-trapezius-and-the-adductor-pollicis-muscle-as-predictor-of-good-intubating-conditions-a-randomized-controlled-trial
#3
Stefan Soltesz, Christian Stark, Karl G Noé, Michael Anapolski, Thomas Mencke
BACKGROUND: Adequate muscle relaxation is important for ensuring optimal conditions for intubation. Although acceleromyography of the adductor pollicis muscle is commonly used to assess conditions for intubation, we hypothesized that acceleromyography of the trapezius is more indicative of optimal intubating conditions. The primary outcome was the difference between both measurement sites with regard to prediction of good or acceptable intubating conditions. METHODS: Neuromuscular blockade after injection of rocuronium 0...
August 17, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28817821/endoscopic-lung-volume-reduction-an-expert-panel-recommendation-update-2017
#4
Felix J F Herth, Dirk-Jan Slebos, Gerard J Criner, Pallav L Shah
Interest in endoscopic lung volume reduction (ELVR) technologies for emphysema is consistently growing. In the last couple of months, several endoscopic options (e.g., endo- or intrabronchial valves, coil implants, and thermal vapor ablation) that have been evaluated in randomized controlled trials have been reported with the ultimate goal of improving respiratory mechanics and alleviating chronic dyspnea. Patients presenting with severe air trapping and thoracic hyperinflation have the greatest potential to derive benefit from ELVR procedures...
August 18, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28816352/pulmonary-artery-wave-propagation-and-reservoir-function-in-conscious-man-impact-of-pulmonary-vascular-disease-respiration-and-dynamic-stress-tests
#5
Junjing Su, Charlotte Manisty, Ulf Simonsen, Luke S Howard, Kim H Parker, Alun D Hughes
Detailed hemodynamic analysis may provide novel insights into the pulmonary circulation. Therefore, wave intensity and reservoir-excess pressure analyses were applied in the pulmonary artery to characterise changes in wave propagation and reservoir function during spontaneous respiration and dynamic stress tests. Right heart catheterisation was performed using a pressure and Doppler flow sensor tipped guidewire to obtain simultaneous pressure and flow velocity measurements in the pulmonary artery in control subjects and patients with pulmonary arterial hypertension (PAH) at rest...
August 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28814851/effect-of-allergic-phenotype-on-treatment-response-to-inhaled-bronchodilators-with-or-without-inhaled-corticosteroids-in-patients-with-copd
#6
Shih-Lung Cheng, Hsu Hui Wang, Ching-Hsiung Lin
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disorder encompassing different phenotypes with different responses to treatment. The present 1-year, two-center hospital-based study investigated whether the plasma immunoglobulin E (IgE) level and/or eosinophil cell count could be used as biomarkers to stratify patients with COPD according to predicted responses to inhaled corticosteroids (ICS)-based therapy. METHODS: A hospital-data based cohort study of COPD patients treated at two territory hospital centers was conducted for 1 year...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28812150/respiratory-complications-after-colonic-procedures-in-chronic-obstructive-pulmonary-disease-does-laparoscopy-offer-a-benefit
#7
Sarath Sujatha-Bhaskar, Reza Fazl Alizadeh, Colette S Inaba, Christina Y Koh, Mehraneh D Jafari, Steven D Mills, Joseph C Carmichael, Michael J Stamos, Alessio Pigazzi
BACKGROUND: Patients with severe chronic obstructive pulmonary disease (COPD) are at a higher risk for postoperative respiratory complications. Despite the benefits of a minimally invasive approach, laparoscopic pneumoperitoneum can substantially reduce functional residual capacity and raise alveolar dead space, potentially increasing the risk of respiratory failure which may be poorly tolerated by COPD patients. This raises controversy as to whether open techniques should be preferentially employed in this population...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28811780/role-of-vitamin-d-in-reducing-number-of-acute-exacerbations-in-chronic-obstructive-pulmonary-disease-copd-patients
#8
Dur Muhammad Khan, Aziz Ullah, Fawad Ahmad Randhawa, Somia Iqtadar, Nasir Farooq Butt, Khadija Waheed
BACKGROUND AND OBJECTIVE: Chronic obstructive pulmonary disease (COPD) is characterized by chronic incompletely reversible poor airflow and air trapping and usually this debilitating disorder limits the outside activities of the patients depriving them of sunlight which is a rich source of Vitamin D. The objective of this study was to determine the effect of vitamin D supplementation in reducing number of acute exacerbation in COPD patients. METHODS: This randomized control trial was conducted at East Medical Ward Mayo Hospital Lahore from January to December 2015 as exacerbations of COPD are season dependent...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28808493/pulmonary-consequences-of-hypothyroidism
#9
Samiaa Hamdy Sadek, Walaa Anwar Khalifa, Ahmad Metwally Azoz
BACKGROUND: Although hypothyroidism has an insidious onset and relatively asymptomatic, exertional dyspnea and fatigue can be the presenting complaints. OBJECTIVES: The aim is to assess functional lung impairment in hypothyroid patients both at rest and during exercise. METHODS: A case-control study was carried out on 42 patients with newly diagnosed hypothyroidism and 12 control subjects. Hypothyroidism was diagnosed based on high value of thyroid stimulating hormone (TSH) ≥6 μIU/ml, and low value of free thyroxin (FT4) ≤0...
July 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28807589/differences-in-texture-analysis-parameters-between-active-alveolitis-and-lung-fibrosis-in-chest-ct-of-patients-with-systemic-sclerosis-a-feasibility-study
#10
Christopher Kloth, Anya C Blum, Wolfgang M Thaiss, Heike Preibsch, Hendrik Ditt, Rainer Grimmer, Jan Fritz, Konstantin Nikolaou, Hans Bösmüller, Marius Horger
RATIONALE AND OBJECTIVES: This study aimed to determine the diagnostic aid of computed tomography (CT) features for the differentiation of active alveolitis and fibrosis using a CT texture analysis (CTTA) prototype and CT densitometry in patients with systemic sclerosis (SSc) using ancillary high-resolution computed tomography (HRCT) features and their longitudinal course as standard of reference. MATERIALS AND METHODS: We retrospectively analyzed thin-slice noncontrast chest CT image data of 43 patients with SSc (18 men, mean age 51...
August 11, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28807385/external-validation-of-a-5-year-survival-prediction-model-after-elective-abdominal-aortic-aneurysm-repair
#11
Randall R DeMartino, Ying Huang, Jay Mandrekar, Philip P Goodney, Gustavo S Oderich, Manju Kalra, Thomas C Bower, Jack L Cronenwett, Peter Gloviczki
OBJECTIVE: The benefit of prophylactic repair of abdominal aortic aneurysms (AAAs) is based on the risk of rupture exceeding the risk of death from other comorbidities. The purpose of this study was to validate a 5-year survival prediction model for patients undergoing elective repair of asymptomatic AAA <6.5 cm to assist in optimal selection of patients. METHODS: All patients undergoing elective repair for asymptomatic AAA <6.5 cm (open or endovascular) from 2002 to 2011 were identified from a single institutional database (validation group)...
August 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28805996/what-can-we-learn-from-pulmonary-function-testing-in-heart-failure
#12
REVIEW
Helgo Magnussen, Marco Canepa, Peter Emilio Zambito, Vito Brusasco, Thomas Meinertz, Stephan Rosenkranz
Pulmonary diseases frequently coexist in heart failure (HF), thus posing diagnostic and therapeutic challenges to cardiologists evaluating patients with overlapping symptoms and implementing recommended HF treatments. There is a growing body of evidence suggesting that pulmonary function testing might provide useful information for the best management of these patients. The availability of portable devices, allowing the measurement of spirometry and lung diffusion capacity for carbon monoxide outside of hospital-based pulmonary lung function laboratories, provides an opportunity for a more widespread use of these measures in the cardiology community, but their interpretation can be challenging...
August 14, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28805194/-lung-cancer-and-copd-growing-clinical-problem
#13
EDITORIAL
Michal Tyl, Joanna Domagała-Kulawik
A spread of the addiction of tobacco smoking is valued on near 1 billion of people in the world, that involves growing number of morbidity and mortality by the reason of smoke related diseases. Lung cancer and chronic obstructive pulmonary disease (COPD) are the most serious and incurable diseases which are leading to a permanent disability as well as to premature death. There are factors that naturally increase the vulnerability of an individual on the coincidence of above disorders, such as pathophysiological conditions, systemic inflammation, bronchitis, emphysema, respiratory obstructive disease and precise genetic predispositions for COPD and lung cancer...
July 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28805026/correlation-of-6-minute-walk-test-with-left-ventricular-function-and-quality-of-life-in-heart-failure-due-to-chagas-disease
#14
Mayara da Costa Chambela, Mauro Felippe Felix Mediano, Roberto Rodrigues Ferreira, André Miguel Japiassú, Mariana Caldas Waghabi, Gilberto Marcelo Sperandio da Silva, Roberto Magalhães Saraiva
OBJECTIVES: To evaluate the correlation of the total distance walked during the six-minute walk test (6-MWT) with left ventricular function and quality of life in patients with Chagas Disease (ChD) complicated by heart failure. METHODS: This cross-sectional study of adult patients with ChD and heart failure diagnosed based on Framingham criteria. 6MWT was performed following international guidelines. New York Heart Association functional class, brain natriuretic peptide (BNP) serum levels, echocardiographic parameters, and quality of life (SF-36 and MLHFQ questionnaires) were determined and their correlation with the distance covered at the 6MWT was tested...
August 14, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28803440/electrical-impedance-tomography-for-diagnosis-and-monitoring-of-pulmonary-function-disorders-in-the-intensive-care-unit-case-report-and-review-of-literature
#15
Szymon Białka, Maja Copik, Katarzyna Rybczyk, Hanna Misiołek
The aim of this paper is to describe the possibility of using Electrical Impedance Tomography (EIT) as a treatment monitoring tool in the ICU. It was based on case report and literature review. A 19-year-old female was admitted to ICU due to severe acute respiratory distress syndrome. Despite aggressive treatment there was no improvement. We decided to use EIT in the monitoring of treatment because of difficulties in transporting the patient to the radiology department in order to perform a control CT scan...
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28802772/effectiveness-of-a-combined-exercise-training-and-home-based-walking-programme-on-physical-activity-compared-with-standard-medical-care-in-moderate-copd-a-randomised-controlled-trial
#16
P de Roos, C Lucas, J H Strijbos, E van Trijffel
OBJECTIVE: To estimate the effectiveness of a 10-week combined exercise training and home-based walking programme on daily physical activity (PA) compared with standard medical care in patients with moderate chronic obstructive pulmonary disease (COPD). DESIGN: Randomised controlled trial. SETTING: Primary care physiotherapy. PARTICIPANTS: Consecutive patients with stable COPD at Gold Stage II with a score of two or more on the Medical Research Council Dyspnoea Scale...
July 14, 2017: Physiotherapy
https://www.readbyqxmd.com/read/28801088/characteristics-of-severe-asthma-with-fungal-sensitization
#17
Katsunori Masaki, Koichi Fukunaga, Masako Matsusaka, Hiroki Kabata, Takae Tanosaki, Takao Mochimaru, Takashi Kamatani, Kengo Ohtsuka, Rie Baba, Soichiro Ueda, Yusuke Suzuki, Fumio Sakamaki, Yoshitaka Oyamada, Takashi Inoue, Tsuyoshi Oguma, Koichi Sayama, Hidefumi Koh, Morio Nakamura, Akira Umeda, Katsuhiko Kamei, Kenji Izuhara, Koichiro Asano, Tomoko Betsuyaku
BACKGROUND: Some patients with severe asthma also have fungal sensitization and are considered to have severe asthma with fungal sensitization. However, there is limited information on the clinical features of SAFS. OBJECTIVE: To investigate the clinical characteristics of severe asthma with fungal sensitization. METHODS: The present study enrolled 124 patients with severe asthma. We evaluated clinical aspects, such as various serum cytokines, fractional exhaled nitric oxide, pulmonary function, and serum immunoglobulin E (IgE)...
August 8, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28800680/pharmacological-inhibition-of-fsgs-related-trpc6-gain-of-function-mutants-by-semisynthetic-larixol-derived-compounds
#18
Nicole Urban, Sonja Neuser, Anika Hentschel, Sebastian Köhling, Jörg Rademann, Michael Schaefer
BACKGROUND AND PURPOSE: Gain of function mutations in TRPC6 can cause autosomal dominant forms of focal segmental glomerulosclerosis (FSGS). Validated inhibitors of TRPC6 that are biologically active on FSGS-related TRPC6 mutants are eagerly sought. EXPERIMENTAL APPROACH: We synthesized new TRPC6-inhibiting modulators from larixol, a resiniferous constituent of Larix decidua, and tested the potency and selectivity in cell lines stably expressing various TRP channel isoforms...
August 11, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28800571/long-term-pulmonary-function-after-open-anterior-thoracolumbar-surgery-in-thoracolumbar-lumbar-idiopathic-adolescent-scoliosis
#19
Cristina Ruiz-Juretschke, Javier Pizones, Renato Delfino, Felisa Sánchez-Mariscal, Lorenzo Zúñiga, Enrique Izquierdo
STUDY DESIGN: A prospectively updated, long-term case series analysis. OBJECTIVE: The aim of this study was to report the effect of thoracolumbar anterior open surgery performed during adolescence on adult pulmonary function. SUMMARY OF BACKGROUND DATA: There seems to be subclinical impairment of pulmonary function in the mid-term (2-5 years) in patients who underwent thoracotomy or thoraco-phreno-laparotomy after adolescent idiopathic scoliosis (AIS) surgery...
August 15, 2017: Spine
https://www.readbyqxmd.com/read/28800272/omalizumab-in-non-allergic-asthma-a-report-of-13-cases
#20
Zeynep Çelebi Sözener, Ömür Aydın, Zeynep Mısırlıgil, Dilşad Mungan, Yavuz Selim Demirel, Gülfem E Çelik, Betül A Sin, Sevim Bavbek
BACKGROUND: There are limited data regarding the effectiveness of omalizumab in patients with non-allergic asthma. OBJECTIVE: To evaluate the clinical and functional effectiveness of omalizumab in patients with non-allergic asthma. METHODS: The study was a single-center, retrospective chart review of patients with non-allergic asthma who were treated with add-on omalizumab between February 2014 and March 2016. After omalizumab was started, data of the Asthma Control Test(ACT), pulmonary function test, and daily oral corticosteroid(OCS) dosage were collected at baseline, 16 weeks, 1 year, 2 and 3 years (if available)...
August 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
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