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Single lung ventilation

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https://www.readbyqxmd.com/read/28338550/respiratory-system-function-in-patients-after-minimally-invasive-aortic-valve-replacement-surgery-a-case-control-study
#1
Jarosław Stoliński, Robert Musiał, Dariusz Plicner, Janusz Andres
OBJECTIVE: The aim of the study was to comparatively analyze respiratory system function after minimally invasive, through right minithoracotomy aortic valve replacement (RT-AVR) to conventional AVR. METHODS: Analysis of 201 patients scheduled for RT-AVR and 316 for AVR between January 2010 and November 2013. Complications of the respiratory system and pulmonary functional status are presented. RESULTS: Complications of the respiratory system occurred in 16...
March 23, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28331446/lung-transplantation-and-the-routine-use-of-cardiopulmonary-bypass-and-median-sternotomy-experience-at-the-ochsner-multi-organ-transplant-institute
#2
Michael Bates, Matthew Factor, P Eugene Parrino, Aditya Bansal, Reinaldo Rampolla, Leonardo Seoane, Jose Mena, Matthew Gaudet, William Smith, P Michael McFadden
BACKGROUND: From 1990-2005 at Ochsner Medical Center in New Orleans, LA, cardiopulmonary bypass (CPB) was used only when necessary during lung transplantation surgeries. Ochsner's lung transplant program was closed for more than 4 years after Hurricane Katrina, and since the program's reestablishment in 2010, the majority of lung transplantation surgeries have been performed with the patient on CPB and with a median sternotomy incision. The purpose of this study was to compare the outcomes of the CPB and non-CPB groups...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28328810/prediction-of-the-mid-tracheal-level-using-surface-anatomical-landmarks-in-adults-clinical-implication-of-endotracheal-tube-insertion-depth
#3
Young-Eun Jang, Eun-Hee Kim, In-Kyung Song, Ji-Hyun Lee, Ho-Geoul Ryu, Hee-Soo Kim, Jin-Tae Kim
Endotracheal tube (ETT) should be placed at the optimal level to avoid single lung ventilation or accidental extubation. This study was performed to estimate the mid-tracheal level by using surface anatomical landmarks in adult patients.Neck computed tomography images of 329 adult patients between the ages of 16 and 79 years were reviewed. In the midline sagittal plane, the levels corresponding to the vocal cords, cricoid cartilage, suprasternal notch, manubriosternal junction, and carina were identified. The surface distances from the cricoid cartilage to the suprasternal notch (extCC-SSN) and that from the suprasternal notch to the manubriosternal junction (extSSN-MSJ) were measured...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28322416/effect-of-intensive-vs-moderate-alveolar-recruitment-strategies-added-to-lung-protective-ventilation-on-postoperative-pulmonary-complications-a-randomized-clinical-trial
#4
Alcino Costa Leme, Ludhmila Abrahao Hajjar, Marcia S Volpe, Julia Tizue Fukushima, Roberta Ribeiro De Santis Santiago, Eduardo A Osawa, Juliano Pinheiro de Almeida, Aline Muller Gerent, Rafael Alves Franco, Maria Ignez Zanetti Feltrim, Emília Nozawa, Vera Regina de Moraes Coimbra, Rafael de Moraes Ianotti, Clarice Shiguemi Hashizume, Roberto Kalil Filho, Jose Otavio Costa Auler, Fabio Biscegli Jatene, Filomena Regina Barbosa Gomes Galas, Marcelo Britto Passos Amato
Importance: Perioperative lung-protective ventilation has been recommended to reduce pulmonary complications after cardiac surgery. The protective role of a small tidal volume (VT) has been established, whereas the added protection afforded by alveolar recruiting strategies remains controversial. Objective: To determine whether an intensive alveolar recruitment strategy could reduce postoperative pulmonary complications, when added to a protective ventilation with small VT...
March 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28321847/antenatal-corticosteroids-for-accelerating-fetal-lung-maturation-for-women-at-risk-of-preterm-birth
#5
REVIEW
Devender Roberts, Julie Brown, Nancy Medley, Stuart R Dalziel
BACKGROUND: Respiratory morbidity including respiratory distress syndrome (RDS) is a serious complication of preterm birth and the primary cause of early neonatal mortality and disability. While researching the effects of the steroid dexamethasone on premature parturition in fetal sheep in 1969, Liggins found that there was some inflation of the lungs of lambs born at gestations at which the lungs would be expected to be airless. Liggins and Howie published the first randomised controlled trial in humans in 1972 and many others followed...
March 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28320395/vasoproliferative-process-resembling-pulmonary-capillary-hemangiomatosis-in-a-cat
#6
J A Jaffey, K J Williams, I Masseau, M Krueger, C Reinero
BACKGROUND: Pulmonary capillary hemangiomatosis is a rare, vascular obstructive disorder that uniformly causes pulmonary arterial hypertension. Clinically, pulmonary capillary hemangiomatosis is indistinguishable from primary pulmonary arterial hypertension and histology is required for definitive diagnosis. The distinctive histologic feature of pulmonary capillary hemangiomatosis is non-malignant extensive proliferation of capillaries in the alveolar septae. Vasodilator treatment of humans with primary arterial hypertension due to pulmonary capillary hemangiomatosis can result in fatal acute pulmonary edema...
March 20, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28315911/reproducibility-of-a-semi-quantitative-lobar-pulmonary-ventilation-and-perfusion-technique-using-spet-and-ct
#7
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
#8
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/28294159/to-find-a-better-dosimetric-parameter-in-the-predicting-of-radiation-induced-lung-toxicity-individually-ventilation-perfusion-or-ct-based
#9
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/28280105/measurement-of-the-distribution-of-ventilation-perfusion-ratios-in-the-human-lung-with-proton-mri-comparison-with-the-multiple-inert-gas-elimination-technique
#10
Rui Carlos Sá, Angela Cortney Henderson, Tatum S Simonson, Tatsuya J Arai, Harrieth Wagner, Rebecca J Theilmann, Peter D Wagner, Gordon Kim Prisk, Susan Roberta Hopkins
We have developed a novel functional proton magnetic resonance imaging (MRI) technique to measure regional ventilation-perfusion (VA/Q ) ratio in the lung. We conducted a comparison study of this technique in healthy subjects (n=7, age=42±16, Forced expiratory volume in 1 second=94% predicted), by comparing data measured using MRI to that obtained from the multiple inert gas elimination technique (MIGET). Regional ventilation measured in a sagittal lung slice using Specific Ventilation Imaging was combined with proton density measured using a fast gradient-echo sequence to calculate regional alveolar ventilation, registered with perfusion images acquired using arterial spin labeling, and divided on a voxel-by-voxel basis to obtain regional VA/Q ratio...
March 9, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28267940/a-six-month-evaluation-of-the-vivasight%C3%A2-video-double-lumen-endotracheal-tube-after-introduction-into-thoracic-anaesthetic-practice-at-a-single-institution
#11
I L Rapchuk, Sam Kunju, I J Smith, D J Faulke
For a six-month period, all airway options used for non-emergent patients undergoing thoracic surgery requiring one-lung ventilation at a single institution were assessed after introduction of the VivaSight™ double-lumen endotracheal tube (VivaSight-DL), a novel double-lumen tube with an integrated camera. This device displays a continuous view of the position of the tube relative to the carina. A total of 72 patients had lung separation with the VivaSight-DL. Lung separation was achieved on first attempt without additional manipulation in 85% of cases...
March 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28263885/effects-of-aerial-hypoxia-and-temperature-on-pulmonary-breathing-pattern-and-gas-exchange-in-the-south-american-lungfish-lepidosiren-paradoxa
#12
Glauber S F da Silva, Daniela A D N Ventura, Lucas A Zena, Humberto Giusti, Mogens L Glass, Wilfried Klein
The South American lungfish Lepidosiren paradoxa is an obligatory air-breathing fish possessing well-developed bilateral lungs, and undergoing seasonal changes in its habitat, including temperature changes. In the present study we aimed to evaluate gas exchange and pulmonary breathing pattern in L. paradoxa at different temperatures (25 and 30°C) and different inspired O2 levels (21, 12, 10, and 7%). Normoxic breathing pattern consisted of isolated ventilatory cycles composed of an expiration followed by 2...
March 3, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28259372/-gas-tamponade-following-intraoperative-pneumothorax-on-a-single-lung-a-case-study
#13
S D El Jaouhari, O Mamane Nassirou, M Meziane, M Bensghir, C Haimeur
Intraoperative pneumothorax is a rare complication with a high risk of cardiorespiratory arrest by gas tamponade especially on a single lung. We report the case of a female patient aged 53 years who benefited from a left pneumonectomy on pulmonary tuberculosis sequelae. The patient presented early postoperative anemia with a left hemothorax requiring an emergency thoracotomy. In perioperative, the patient had a gas tamponade following a pneumothorax of the remaining lung, and the fate has been avoided by an exsufflation...
March 1, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/28258938/ventilation-distribution-and-small-airway-function-in-patients-with-systemic-sclerosis
#14
B R A Silva, R Rufino, C H Costa, V S Vilela, R A Levy, A J Lopes
BACKGROUND: Despite the importance of traditional pulmonary function tests (PFTs) in managing systemic sclerosis (SSc), many patients with pulmonary disease diagnosed by computed tomography (CT) present with normal PFTs. OBJECTIVE: To evaluate the efficacy of the nitrogen single-breath washout (N2SBW) test in diagnosing SSc and to correlate N2SBW parameters with the PFT indexes used in the follow-up of these patients, clinical data, and CT findings. METHODS: Cross-sectional study in which 52 consecutive SSc patients were subjected to spirometry, body plethysmography, analysis of the diffusing capacity for carbon monoxide (DLCO), analysis of respiratory muscle strength, N2SBW testing, and CT analysis...
March 1, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28243236/inhibition-of-tnf-receptor-p55-by-a-domain-antibody-attenuates-the-initial-phase-of-acid-induced-lung-injury-in-mice
#15
Michael R Wilson, Kenji Wakabayashi, Szabolcs Bertok, Charlotte M Oakley, Brijesh V Patel, Kieran P O'Dea, Joanna C Cordy, Peter J Morley, Andrew I Bayliffe, Masao Takata
BACKGROUND: Tumor necrosis factor-α (TNF) is strongly implicated in the development of acute respiratory distress syndrome (ARDS), but its potential as a therapeutic target has been hampered by its complex biology. TNF signals through two receptors, p55 and p75, which play differential roles in pulmonary edema formation during ARDS. We have recently shown that inhibition of p55 by a novel domain antibody (dAb™) attenuated ventilator-induced lung injury. In the current study, we explored the efficacy of this antibody in mouse models of acid-induced lung injury to investigate the longer consequences of treatment...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28242078/awake-extracorporeal-membrane-oxygenation-as-bridge-to-lung-transplantation-a-9-year-experience
#16
Mauer Biscotti, Whitney D Gannon, Cara Agerstrand, Darryl Abrams, Joshua Sonett, Daniel Brodie, Matthew Bacchetta
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) is used as a bridge to lung transplantation, but characteristics that influence its success are poorly understood. This large, single-center experience evaluated the implementation and outcomes of ECMO in this setting. METHODS: Data were collected for patients at our institution (New York-Presbyterian Hospital/Columbia University Medical Center in New York) who received ECMO as a bridge to lung transplantation from January 1, 2007 through July 10, 2016...
February 24, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28241695/-clinical-abservations-of-pulmonary-surfactant-s-autologous-transfusion-in-massive-lung-lavage
#17
X Y Xiao, X P Zhang, G Chen, Y Yuan, G X Ma, J Y Duan, Z Q Sun, J H Huang, X Cao, J Zhang
Objective: Investigate the pulmonary surfactant autotransfusion effect on the recovery of respiratory function in patients with whole lung lavage, to provide theoretical basis for the clinical application. Methods: We taken 30 patients of pneumoconiosis treated by whole lung lavage as the subjects. We extracted the pulmonary surfactant from lavage fluid, after single postoperative lung lavage for the first time; after one weeks when the second times of lung lavage were performed to the other side of the lung of patients, we put PS into the right side...
January 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28238577/geometrical-and-dosimetrical-uncertainties-in-hypofractionated-radiotherapy-of-the-lung-a-review
#18
REVIEW
Marco Schwarz, Giovanni Mauro Cattaneo, Livia Marrazzo
The application of high precision hypofractionated regimes (a.k.a. stereotactic body radiotherapy (SBRT)) to the treatment of lung cancer is a 'success story' of radiotherapy. From the technical perspective, lung SBRT is a challenging technique as all aspects of the treatment workflow, from imaging to dose calculation to treatment delivery, should be carefully handled in order to ensure consistency between planned and delivered dose. In this review such technical aspects are presented and discussed, looking at what has been developed over the years...
February 23, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28218802/non-invasive-ventilation-for-cystic-fibrosis
#19
REVIEW
Fidelma Moran, Judy M Bradley, Amanda J Piper
BACKGROUND: Non-invasive ventilation may be a means to temporarily reverse or slow the progression of respiratory failure in cystic fibrosis by providing ventilatory support and avoiding tracheal intubation. Using non-invasive ventilation, in the appropriate situation or individuals, can improve lung mechanics through increasing airflow and gas exchange and decreasing the work of breathing. Non-invasive ventilation thus acts as an external respiratory muscle. This is an update of a previously published review...
February 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28207845/reproducibility-and-comparison-of-oxygen-enhanced-t1-quantification-in-copd-and-asthma-patients
#20
Simon M F Triphan, Bertram J Jobst, Angela Anjorin, Oliver Sedlaczek, Ursula Wolf, Maxim Terekhov, Christian Hoffmann, Sebastian Ley, Christoph Düber, Jürgen Biederer, Hans-Ulrich Kauczor, Peter M Jakob, Mark O Wielpütz
T1 maps have been shown to yield useful diagnostic information on lung function in patients with chronic obstructive pulmonary disease (COPD) and asthma, both for native T1 and ΔT1, the relative reduction while breathing pure oxygen. As parameter quantification is particularly interesting for longitudinal studies, the purpose of this work was both to examine the reproducibility of lung T1 mapping and to compare T1 found in COPD and asthma patients using IRSnapShotFLASH embedded in a full MRI protocol. 12 asthma and 12 COPD patients (site 1) and further 15 COPD patients (site 2) were examined on two consecutive days...
2017: PloS One
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