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Pulmonary function testing

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https://www.readbyqxmd.com/read/28315911/reproducibility-of-a-semi-quantitative-lobar-pulmonary-ventilation-and-perfusion-technique-using-spet-and-ct
#1
Esber N El-Barhoun, Ghee Chew, Benjamin Crouch, Barry Chatterton
OBJECTIVE: Evaluation of regional lung function is valuable prior to lung surgery in patients with chronic lung disease. Our aim was to evaluate the reproducibility of a locally developed single photon emission tomography/computed tomography (SPET/CT) programme between and within three observers in assessing lobar pulmonary volumes, perfusion and ventilation. SUBJECTS AND METHODS: Twelve lung transplantation candidates had VQ SPET and diagnostic CT to determine lobar pulmonary function and plan surgery...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28306591/ventilation-with-high-versus-low-peep-levels-during-general-anaesthesia-for-open-abdominal-surgery-does-not-affect-postoperative-spirometry-a-randomised-clinical-trial
#2
Tanja A Treschan, Maximilian Schaefer, Johann Kemper, Bea Bastin, Peter Kienbaum, Benedikt Pannen, Sabrine N Hemmes, Marcelo G de Abreu, Paolo Pelosi, Marcus J Schultz
BACKGROUND: Invasive mechanical ventilation during general anaesthesia for surgery typically causes atelectasis and impairs postoperative lung function. OBJECTIVE: We investigated the effect of intraoperative ventilation with high positive end-expiratory pressure (PEEP) and recruitment manoeuvres (RMs) on postoperative spirometry. DESIGN: This was a preplanned, single-centre substudy of an international multicentre randomised controlled trial, the PROVHILO trial...
March 16, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28304239/immunoglobulin-g4-related-epidural-inflammatory-pseudotumor-presenting-with-pulmonary-complications-and-spinal-cord-compression-case-report
#3
Kavelin Rumalla, Kyle A Smith, Paul M Arnold
Immunoglobulin G4-related disease (IgG4-RD) is a recently defined condition characterized by inflammatory tumefactive lesions in various organ systems. IgG4-RD is a clinical and radiological diagnosis of exclusion and requires the presence of specific histopathological criteria for diagnosis. A 50-year-old man presented to an outside hospital with a 3-month history of progressively worsening back pain and symptoms of pleurisy, nasal crusting, and hematochezia. Radiological workup revealed an epidural-paraspinal mass with displacement of the spinal cord, destruction of the T5-6 vertebrae, and extension into the right lung...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28303869/-5-year-surgical-results-in-patients-with-chronic-postembolic-pulmonary-hypertension
#4
A M Chernyavsky, A G Edemsky, M A Chernyavsky, A R Tarkova, E N Kliver, S N Ivanov
AIM: To evaluate 5-year results of surgical treatment of patients with chronic postembolic pulmonary hypertension. MATERIAL AND METHODS: 170 patients with chronic postembolic pulmonary hypertension underwent pulmonary thrombendarterectomy. Mean age was 48±21.5 years. The operation was carried out using standard technique with hypothermia and circulatory arrest. We have analyzed clinical and functional status of 47 patients (23 males) prior to surgery and in long-term postoperative period (5-6 years)...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28303747/self-reported-physical-capacity-and-activity-in-patients-with-systemic-sclerosis-and-matched-controls
#5
H Pettersson, A Åkerström, A Nordin, E Svenungsson, H Alexanderson, C Boström
OBJECTIVE: The aim was to investigate differences in self-reported physical capacity and activity between systemic sclerosis (SSc) patients and population-based controls, as well as between patients with normal-mild, or moderate-severe, lung disease and their respective controls. METHOD: The study included 106 patients fulfilling the American College of Rheumatology SSc criteria and 106 controls, individually matched for age and gender. Patients were subdivided into normal-mild and moderate-severe lung disease based on results from pulmonary function tests and SSc severity scale...
March 17, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28302218/-investigation-of-lung-cancer-patients-complicated-with-chronic-obstructive-pulmonary-disease-in-thoracic-surgical-department
#6
Rongbao Zhang, Xingyu Tan, Qing Chen, Jingan Wei, Jun Gai, Yan Wang, Ziyi Yang, Jing Li, Liyu Zhu, Zhongxian Huang, Quanying He
BACKGROUND: Lung cancer is an important complication of chronic obstructive pulmonary disease (COPD), and even significantly affects the prognosis of patients with COPD. COPD also affects the postoperative complications and recurrence in patients with lung cancer. This study aims to investigate lung cancer patients complicated with COPD in thoracic surgical department. METHODS: All medical records of lung cancer patients discharged from the Department of Thoracic Surgery of People's Hospital, Peking University during January 2015 and December 2015 were reviewed, including gender, age, tobacco smoke history, harmful occupational exposure, clinic symptom, chest computed tomography (CT) scanning, postoperative pathology result report, discharged diagnosis and spirometry [All patients underwent pulmonary function test are received bronchial dilation test if the based predicted value of forced expiratory volume in one second (FEV1) <70%]...
March 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28302142/maximum-inspiratory-pressure-as-a-clinically-meaningful-trial-endpoint-for-neuromuscular-diseases-a-comprehensive-review-of-the-literature
#7
REVIEW
Benedikt Schoser, Edward Fong, Tarekegn Geberhiwot, Derralynn Hughes, John T Kissel, Shyam C Madathil, David Orlikowski, Michael I Polkey, Mark Roberts, Harm A W M Tiddens, Peter Young
Respiratory muscle strength is a proven predictor of long-term outcome of neuromuscular disease (NMD), including amyotrophic lateral sclerosis, Duchenne muscular dystrophy, and spinal muscular atrophy. Maximal inspiratory pressure (MIP), a sensitive measure of respiratory muscle strength, one of several useful tests of respiratory muscle strength, is gaining interest as a therapeutic clinical trial endpoint for NMD. In this comprehensive review we investigate the use of MIP as a measure of respiratory muscle strength in clinical trials of therapeutics targeting respiratory muscle, examine the correlation of MIP with survival, quality of life, and other measures of pulmonary function, and outline the role of MIP as a clinically significantly meaningful outcome measure...
March 16, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28301535/quantitative-assessment-of-pulmonary-alveolar-proteinosis-pap-with-ultra-dose-ct-and-correlation-with-pulmonary-function-tests-pfts
#8
Xin Sui, Qianni Du, Kai-Feng Xu, Xinlun Tian, Lan Song, Xiao Wang, Xiaoli Xu, Zixing Wang, Yuyan Wang, Jun Gu, Wei Song, Zhengyu Jin
BACKGROUND: The purpose of this study was to investigate whether ultra-low-dose chest computed tomography (CT) can be used for visual assessment of CT features in patients with pulmonary alveolar proteinosis (PAP) and to evaluate the relationship between the quantitative analysis of the ultra-low-dose CT scans and the pulmonary function tests (PFTs). METHODS: Thirty-eight patients (mean [SD] age, 44.47 [12.28] years; 29 males, 9 females) with PAP were enrolled and subjected to two scans each with low-dose CT (reference parameters: 120 kV and 50 mAs) and ultra-low-dose CT (reference parameters, 80 kV, 25 mAs)...
2017: PloS One
https://www.readbyqxmd.com/read/28300524/predicting-pulmonary-function-from-phone-sensors
#9
Qian Cheng, Joshua Juen, Shashi Bellam, Nicholas Fulara, Deanna Close, Jonathan C Silverstein, Bruce Schatz
INTRODUCTION: Smartphones are ubiquitous, but it is unknown what physiological functions can be monitored at clinical quality. Pulmonary function is a standard measure of health status for cardiopulmonary patients. We have shown phone sensors can accurately measure walking patterns. Here we show that improved classification models can accurately predict pulmonary function, with sole inputs being motion sensors from carried phones. SUBJECTS AND METHODS: Twenty-five cardiopulmonary patients performed 6-minute walk tests in pulmonary rehabilitation at a regional hospital...
March 16, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28298960/lung-volume-reduction-coils-as-a-novel-bronchoscopic-treatment-for-emphysema
#10
Timothy A Connolly
Chronic obstructive pulmonary disease remains a major cause of morbidity and mortality worldwide. Despite regular advances in pharmacology, there remains great potential for addressing structural deficiencies, especially in emphysema. The loss of alveolar attachments to small bronchial tubes results in diffuse loss of elastic recoil and airway collapse during exhalation. This appears physiologically as hyperinflation of lung volumes with flattened diaphragms and significantly elevated residual volumes (RV) on pulmonary function testing (predicted RV > 175%)...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28298912/heterologous-matrix-metalloproteinase-gene-promoter-activity-allows-in-vivo-real-time-imaging-of-bleomycin-induced-lung-fibrosis-in-transiently-transgenized-mice
#11
Fabio Franco Stellari, Francesca Ruscitti, Daniela Pompilio, Francesca Ravanetti, Giulia Tebaldi, Francesca Macchi, Andrea Elizabeth Verna, Gino Villetti, Gaetano Donofrio
Idiopathic pulmonary fibrosis is a very common interstitial lung disease derived from chronic inflammatory insults, characterized by massive scar tissue deposition that causes the progressive loss of lung function and subsequent death for respiratory failure. Bleomycin is used as the standard agent to induce experimental pulmonary fibrosis in animal models for the study of its pathogenesis. However, to visualize the establishment of lung fibrosis after treatment, the animal sacrifice is necessary. Thus, the aim of this study was to avoid this limitation by using an innovative approach based on a double bleomycin treatment protocol, along with the in vivo images analysis of bleomycin-treated mice...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28298842/preoperative-parameters-and-their-prognostic-value-in-amyotrophic-lateral-sclerosis-patients-undergoing-implantation-of-a-diaphragm-pacing-stimulation-system
#12
Aydın Şanlı, Ihsan Şükrü Şengün, Volkan Karaçam, Aylin Özgen Alpaydın, Kemal Can Tertemiz, Sevgi Özalevli, Bahar Ağaoğlu Şanlı, Alper Kaya, Nezih Özdemir
INTRODUCTION: Amyotrophic lateral sclerosis (ALS) is a progressive neuromuscular disease with devastating and fatal respiratory complications. Diaphragm pacing stimulation (DPS) is a treatment option in diaphragm insufficient ALS patients. Ventilatory insufficiency depending on diaphragmatic failure is treated by the present study aimed to investigate prognostic value of preoperative clinical and functional characteristics of ALS patients undergoing implantation of a DPS system and to determine appropriate indications for the DPS system...
January 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28298259/phenotypic-analysis-of-asthma-in-japanese-athletes
#13
Keisuke Tsukioka, Toshiyuki Koya, Hiroshi Ueno, Masachika Hayashi, Takuro Sakagami, Takashi Hasegawa, Masaaki Arakawa, Eiichi Suzuki, Toshiaki Kikuchi
BACKGROUND: Asthma in athlete populations such as Olympic athletes has various pathogeneses. However, few reports are available on the features of asthma in the athlete population in clinical practice. In this study, we focused on classifying asthma in Japanese athlete population. METHODS: We performed a cluster analysis of data from pulmonary function tests and clinical biomarkers before administering inhaled corticosteroids (ICS) therapy in athlete population of individuals diagnosed with asthma (n = 104; male, 76...
March 12, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28295882/identifying-atrial-fibrillation-in-outpatients-initiating-oral-anticoagulants-based-on-medico-administrative-data-results-from-the-french-national-healthcare-databases
#14
Cécile Billionnet, François Alla, Éric Bérigaud, Antoine Pariente, Géric Maura
PURPOSE: Identifying atrial fibrillation (AF) in outpatients treated with oral anticoagulants (OACs) from claims databases is challenging when the outpatient indication is not available, as OACs are also prescribed for deep vein thrombosis/pulmonary embolism (DVT/PE) that may be treated in the ambulatory setting. An algorithm was developed to identify AF in outpatients initiating OAC from medico-administrative data. METHODS: Among patients initiating OAC in 2013 in the French healthcare databases, those treated for orthopaedic indications were excluded...
March 14, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28295604/larger-right-atrium-than-left-atrium-is-associated-with-all-cause-mortality-in-elderly-patients-with-heart-failure
#15
Qays Almodares, Cecilia Wallentin Guron, Anders Thurin, Michael Fu, Silvana Kontogeorgos, Erik Thunstrom, Magnus C Johansson
BACKGROUND: While left atrial (LA) enlargement is known as an early sign of left heart disease with prognostic implications in heart failure (HF), the importance of right atrial (RA) enlargement is less well studied, and the prognostic implications of interatrial size comparison are insufficiently understood. The aim of this study was to test the hypothesis that RA area larger than LA area in apical four-chamber view is associated with all-cause mortality in elderly patients with HF independent of left ventricular ejection fraction (LVEF)...
March 14, 2017: Echocardiography
https://www.readbyqxmd.com/read/28295526/pharmacological-treatments-in-asthma-affected-horses-a-pair-wise-and-network-meta-analysis
#16
L Calzetta, P Roncada, D di Cave, L Bonizzi, A Urbani, E Pistocchini, P Rogliani, M G Matera
BACKGROUND: Equine asthma is a disease characterised by reversible airflow obstruction, bronchial hyperresponsiveness and airway inflammation following exposure of susceptible horses to specific airborne agents. Although clinical remission can be achieved in a low-airborne dust environment, repeated exacerbations may lead to irreversible airway remodelling. The available data on the pharmacotherapy of equine asthma results from several small studies, and no head-to-head clinical trials have been conducted among the available medications...
March 10, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28294875/-efficiency-of-operation-trombendarterektomy-from-pulmonary-artery-branches-depending-on-the-degree-of-pulmonary-hypertension-and-duration-of-disease
#17
A M Chernyavskiy, A G Edemskiy, M A Chernyavskiy, V G Efimenko, A R Tarkova, S N Ivanov
AIM: to assess effect of thromboendarterectomy from pulmonary artery branches on clinical functional state of patients with chronic thromboembolic pulmonary hypertension (CTEPH) in dependence on degree of pulmonary hypertension and disease duration. MATERIAL: Patients (n=152) were divided into 3 groups: (1) with systolic pulmonary artery pressure (SPAP) less or equal 50 mm Hg (n=20), (2) with SPAP>50- less or equal 80mm Hg (n=46), (3) with SPAP >80mm Hg (n=86)...
May 2016: Kardiologiia
https://www.readbyqxmd.com/read/28294159/to-find-a-better-dosimetric-parameter-in-the-predicting-of-radiation-induced-lung-toxicity-individually-ventilation-perfusion-or-ct-based
#18
Lin-Lin Xiao, Guoren Yang, Jinhu Chen, Xiaohui Wang, Qingwei Wu, Zongwei Huo, Qingxi Yu, Jinming Yu, Shuanghu Yuan
This study aimed to find a better dosimetric parameter in predicting of radiation-induced lung toxicity (RILT) in patients with non-small cell lung cancer (NSCLC) individually: ventilation(V), perfusion (Q) or computerized tomography (CT) based. V/Q single-photon emission computerized tomography (SPECT) was performed within 1 week prior to radiotherapy (RT). All V/Q imaging data was integrated into RT planning system, generating functional parameters based on V/Q SPECT. Fifty-seven NSCLC patients were enrolled in this prospective study...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28293731/physical-function-and-health-related-quality-of-life-in-patients-undergoing-surgical-treatment-for-malignant-pleural-mesothelioma
#19
Takashi Tanaka, Shinichiro Morishita, Masaki Hashimoto, Yusuke Itani, Satoshi Mabuchi, Norihiko Kodama, Seiki Hasegawa, Kazuhisa Domen
INTRODUCTION: Malignant pleural mesothelioma (MPM) is a rare cancer that affects the thin cell wall lining of internal organs and structures. Studies have shown that patients with lung cancer have decreased pulmonary function and exercise capacity after pneumonectomy. However, to date, physical function and health-related quality of life (HRQOL) in surgically treated MPM patients have not been evaluated in detail. The aim of this study was to assess physical function and HRQOL of MPM patients following pleurectomy/decortication (P/D)...
March 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28292882/cthrc1-lowers-pulmonary-collagen-associated-with-bleomycin-induced-fibrosis-and-protects-lung-function
#20
Andrew P Binks, Megyn Beyer, Ryan Miller, Renee J LeClair
Idiopathic pulmonary fibrosis (IPF) involves collagen deposition that results in a progressive decline in lung function. This process involves activation of Smad2/3 by transforming growth factor (TGF)-β and Wnt signaling pathways. Collagen Triple Helix Repeat-Containing-1 (Cthrc1) protein inhibits Smad2/3 activation. To test the hypothesis that Cthrc1 limits collagen deposition and the decline of lung function, Cthrc1 knockout (Cthrc1(-/-)) and wild-type mice (WT) received intratracheal injections of 2.5 U/kg bleomycin or saline...
March 2017: Physiological Reports
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