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One-lung ventilation

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https://www.readbyqxmd.com/read/27925446/the-declined-levels-of-inflammatory-cytokines-related-with-weaning-rate-during-period-of-septic-patients-using-ventilators
#1
Jung-Lung Hsiao, Chao-Huei Yang, Mei-Hua Lu, Hui-Ming Chang, Wang-Sheng Ko, Ya-Ling Chiou
INTRODUCTION: Approximately 50% of patients with sepsis-induced acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) require mechanical ventilation. Patients with extended mechanical ventilator use routinely develop re-infections, which increases hospital stay, mortality, and health care cost. Some studies have pointed out inflammatory factors concentrations can affect ventilator weaning, but do not indicate changed inflammatory factors related to ventilator weaning during using ventilators...
December 7, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27925393/intensive-care-unit-icu-readmission-after-major-lung-resection-prevalence-patterns-and-mortality
#2
Jae Jun Jung, Jong Ho Cho, Tae Hee Hong, Hong Kwan Kim, Yong Soo Choi, Jhingook Kim, Young Mog Shim, Jae Ill Zo
BACKGROUND: The aim of this study was to identify risk factors associated with mortality in patients re-admitted to an intensive care unit (ICU) after initial recovery from major lung resection. METHODS: We retrospectively reviewed the case records of all patients who underwent major lung resection between February 2011 and May 2013. A total of 1916 patients underwent major resection surgery for various lung diseases, 63 (3.3%) of which required ICU admission after initial recovery...
December 7, 2016: Thoracic Cancer
https://www.readbyqxmd.com/read/27925055/lung-protection-an-intervention-for-tidal-volume-reduction-in-a-teaching-intensive-care-unit
#3
Arturo Briva, Cristina Gaiero
Objective: To determine the effect of feedback and education regarding the use of predicted body weight to adjust tidal volume in a lung-protective mechanical ventilation strategy. Methods: The study was performed from October 2014 to November 2015 (12 months) in a single university polyvalent intensive care unit. We developed a combined intervention (education and feedback), placing particular attention on the importance of adjusting tidal volumes to predicted body weight bedside...
December 1, 2016: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/27924176/our-clinical-experience-of-self-expanding-metal-stent-for-malignant-central-airway-obstruction
#4
Akash Verma, Chee Kiang Phua, Qiu Mei Wu, Wen Yuan Sim, Audrey Wee Chuan Rui, Soon Keng Goh, Benjamin Ho, Ai Ching Kor, Andrew S Y Wong, Albert Y H Lim, Dessmon Y H Tai, John Abisheganaden
BACKGROUND: We studied the safety, effectiveness, and limitations of airway stenting using self-expanding metal stent (SEMS) in patients with malignant central airway obstruction (CAO). METHODS: A retrospective review of records of patients undergoing SEMS placement for malignant CAO during year 2013 - 2014 was done. RESULTS: Sixteen patients (11 males and five females) underwent SEMS placement for malignant CAO. Median (range) age was 66 (54 - 78) years...
January 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27919719/impact-of-left-heart-bypass-on-arterial-oxygenation-during-one-lung-ventilation-for-thoracic-aortic-surgery
#5
Kikuko Suga, Yoshiro Kobayashi, Ryoichi Ochiai
OBJECTIVE: The aim of this study was to reveal the mechanism of improved arterial oxygenation by measuring the changes in oxygenation before and after initiation of left heart bypass (LHB) during one-lung ventilation (OLV) for thoracic aortic surgery. DESIGN: Prospective, observational study. SETTING: Single-institution, private hospital. PARTICIPANTS: The study comprised 50 patients who underwent aortic surgery via a left thoracotomy approach with LHB circulatory support...
September 28, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/27918754/interventions-to-improve-rates-of-successful-extubation-in-preterm-infants-a-systematic-review-and-meta-analysis
#6
Kristin N Ferguson, Calum T Roberts, Brett J Manley, Peter G Davis
Importance: Clinicians aim to extubate preterm infants as early as possible, to minimize the risks of mechanical ventilation. Extubation is often unsuccessful owing to lung disease or inadequate respiratory drive. Objective: To conduct a systematic review and meta-analysis of interventions to improve rates of successful extubation in preterm infants. Data Sources: Searches were undertaken in PubMed and The Cochrane Library. Study Selection: The review was conducted using the methods of the Cochrane Collaboration and Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines...
December 5, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27916039/-the-development-of-ex-vivo-lung-perfusion-in-lung-transplantation
#7
X F Pan, R Wang, S J Fu, Y H Yang, J Yang, H Zhao
The shortage of donor lung remains one of the major problem for lung transplantation. With the development of modern lung preservation and repair technique, increasing marginal lung donors have been re-assessed and finally utilized for transplantation. The ex vivo lung perfusion technique (EVLP) was designed and has been developed for evaluation and repair of the lung. Nowadays, the indication of EVLP and the standard of qualified donor lung have reached a consensus according to the foreign publications. The EVLP system could be classified into three categories: the Toronto technique, the Lund technique and Hannover-Madrid technique...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27904565/is-type-2-diabetes-mellitus-in-mechanically-ventilated-adult-trauma-patients-potentially-related-to-the-occurrence-of-ventilator-associated-pneumonia
#8
Hadi Darvishi-Khezri, Abbas Alipour, Amir Emami Zeydi, Abolfazl Firouzian, Ghahraman Mahmudi, Melody Omrani-Nava
BACKGROUND: Ventilator-associated pneumonia (VAP) is a type of lung infection that typically affects critically ill patients undergoing mechanical ventilation (MV) in the intensive care unit (ICU). Patients with type 2 diabetes mellitus (T2DM) are considered to be more susceptible to several types of infections including community-acquired pneumonia. However, it is not clear whether T2DM is a risk factor for the development of VAP. The purpose of this study was to determine the risk of VAP for diabetic and nondiabetic mechanically ventilated trauma patients...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27902842/vagal-denervation-inhibits-the-increase-in-pulmonary-blood-flow-during-partial-lung-aeration-at-birth
#9
Justin A R Lang, James T Pearson, Corinna Binder-Heschl, Megan J Wallace, Melissa L Siew, Marcus J Kitchen, Arjan B Te Pas, Robert A Lewis, Graeme R Polglase, Mikiyasu Shirai, Stuart B Hooper
Air entry into the lungs at birth triggers major cardiovascular changes, including a large increase in pulmonary blood flow (PBF) that is not spatially related to regional lung aeration. To investigate the possible underlying role of a vagally-mediated stimulus, we used simultaneous phase-contrast X-ray imaging and angiography in near-term (30 days of gestation) vagotomised (n = 15) or sham-operated (n = 15) rabbit kittens. Rabbits were imaged before ventilation, when one lung was ventilated (unilateral) with 100% nitrogen (N2 ), air or 100% oxygen (O2 ), before all kittens were switched to unilateral ventilation in air, then ventilation of both lungs using air...
November 30, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27899532/long-term-management-for-ventilator-assisted-children-in-hong-kong-2-decades-experience
#10
Shuk-Kuen Chau, Ada Wing-Yan Yung, So-Lun Lee
BACKGROUND: The population of children receiving long-term mechanical ventilation is growing worldwide, but only limited data exist in Asian regions. The objective of the study was to review the management of these children in Hong Kong over the past 2 decades. METHODS: This was a retrospective cohort study. Hospital records from subjects receiving mechanical ventilation for >3 months were retrieved. Demographic characteristics and medical information of subjects (≤21 y old) under the care of the ventilator program at the Duchess of Kent Children's Hospital between 1997 and 2015 were reviewed...
November 29, 2016: Respiratory Care
https://www.readbyqxmd.com/read/27898744/pre-exercise-hyperpnea-attenuates-exercise-induced-bronchoconstriction-without-affecting-performance
#11
Philipp A Eichenberger, Thomas A Scherer, Christina M Spengler
Whole-body warm-up exercises were shown to attenuate exercise-induced bronchoconstriction (EIB). Whether intense pre-exercise hyperpnea offers similar protection and whether this might negatively affect exercise performance is unknown. Nine subjects with EIB (25±5 yrs; forced expiratory volume in 1s [FEV1], 104±15% predicted) performed an exercise challenge (ECh) followed-after 30min-by a constant-load cycling test to exhaustion. The ECh was preceded by one of four conditions: by i) control warm-up (CON) or by 10min of normocapnic hyperpnea with partial rebreathing at either ii) 50% (WU50) or iii) variable intensity (8x 30s-80%/45s-30%; WU80/30), or at iv) 70% (WU70) of maximal voluntary ventilation...
2016: PloS One
https://www.readbyqxmd.com/read/27897967/an-observational-study-of-donor-ex-vivo-lung-perfusion-in-uk-lung-transplantation-develop-uk
#12
Andrew Fisher, Anders Andreasson, Alexandros Chrysos, Joanne Lally, Chrysovalanto Mamasoula, Catherine Exley, Jennifer Wilkinson, Jessica Qian, Gillian Watson, Oli Lewington, Thomas Chadwick, Elaine McColl, Mark Pearce, Kay Mann, Nicola McMeekin, Luke Vale, Steven Tsui, Nizar Yonan, Andre Simon, Nandor Marczin, Jorge Mascaro, John Dark
BACKGROUND: Many patients awaiting lung transplantation die before a donor organ becomes available. Ex vivo lung perfusion (EVLP) allows initially unusable donor lungs to be assessed and reconditioned for clinical use. OBJECTIVE: The objective of the Donor Ex Vivo Lung Perfusion in UK lung transplantation study was to evaluate the clinical effectiveness and cost-effectiveness of EVLP in increasing UK lung transplant activity. DESIGN: A multicentre, unblinded, non-randomised, non-inferiority observational study to compare transplant outcomes between EVLP-assessed and standard donor lungs...
November 2016: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/27891280/lung-ultrasound-in-early-diagnosis-of-neonatal-ventilator-associated-pneumonia-before-any-radiographic-or-laboratory-changes
#13
Mohammed Ibrahim, Ahmed Omran, Mostafa Ibrahim, Nouran Bioumy, Sonya El-Sharkawy
Neonatal pneumonia is reported to be the primary cause of neonatal respiratory failure and one of the common causes of neonatal hospitalization and death in developing countries. Chest X-ray was considered the gold standard for diagnosis of neonatal pneumonia. Lung ultrasonography has been described as a valuable noninvasive tool for the diagnosis of many neonatal pulmonary diseases. We report a case of ventilation associated neonatal pneumonia with very early diagnosis using lung ultrasound before any significant radiographic changes in chest X-ray or laboratory findings suggestive of infection...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27882425/assessment-of-regional-emphysema-air-trapping-and-xenon-ventilation-using-dual-energy-computed-tomography-in-chronic-obstructive-pulmonary-disease-patients
#14
Sang Min Lee, Joon Beom Seo, Hye Jeon Hwang, Namkug Kim, Sang Young Oh, Jae Seung Lee, Sei Won Lee, Yeon-Mok Oh, Tae Hoon Kim
OBJECTIVES: To compare the parenchymal attenuation change between inspiration/expiration CTs with dynamic ventilation change between xenon wash-in (WI) inspiration and wash-out (WO) expiration CTs. METHODS: 52 prospectively enrolled COPD patients underwent xenon ventilation dual-energy CT during WI and WO periods and pulmonary function tests (PFTs). The parenchymal attenuation parameters (emphysema index (EI), gas-trapping index (GTI) and air-trapping index (ATI)) and xenon ventilation parameters (xenon in WI (Xe-WI), xenon in WO (Xe-WO) and xenon dynamic (Xe-Dyna)) of whole lung and three divided areas (emphysema, hyperinflation and normal) were calculated on virtual non-contrast images and ventilation images...
November 23, 2016: European Radiology
https://www.readbyqxmd.com/read/27881405/effectiveness-of-individualised-lung-recruitment-strategies-at-birth-an-experimental-study-in-preterm-lambs
#15
David G Tingay, Anushi E Rajapaksa, Emanuela Zannin, Prue M Pereira-Fantini, Raffaele Dellacà, Elizabeth Perkins, Cornelis Elroy E Zonneveld, Andy Adler, Don Black, Inez Frerichs, Anna Lavizzari, Magdy Sourial, Bartłomiej Grychtol, Fabio Mosca, Peter G Davis
Respiratory transition at birth involves rapidly clearing fetal lung liquid and preventing efflux back into the lung whilst aeration is established. We have developed a sustained inflation (SIOPT) individualized to volume-response and a dynamic tidal positive end-expiratory pressure (open lung volume, OLV) strategy that both enhance this process. We aimed to compare the effect of each with a group managed with PEEP of 8 cmH2O and no recruitment manoeuvre (No-RM), on gas exchange, lung mechanics, spatiotemporal aeration and lung injury in 127±1d preterm lambs...
November 23, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27873291/prediction-of-non-recovery-from-ventilator-demanding-acute-respiratory-failure-ards-and-death-using-lung-damage-biomarkers-data-from-a-1200-patient-critical-care-randomized-trial
#16
Jens-Ulrik S Jensen, Theis S Itenov, Katrin M Thormar, Lars Hein, Thomas T Mohr, Mads H Andersen, Jesper Løken, Hamid Tousi, Bettina Lundgren, Hans Christian Boesen, Maria E Johansen, Sisse R Ostrowski, Pär I Johansson, Jesper Grarup, Jørgen Vestbo, Jens D Lundgren
BACKGROUND: It is unclear whether biomarkers of alveolar damage (surfactant protein D, SPD) or conductive airway damage (club cell secretory protein 16, CC16) measured early after intensive care admittance are associated with one-month clinical respiratory prognosis. If patients who do not recover respiratory function within one month can be identified early, future experimental lung interventions can be aimed toward this high-risk group. We aimed to determine, in a heterogenous critically ill population, whether baseline profound alveolar damage or conductive airway damage has clinical respiratory impact one month after intensive care admittance...
December 2016: Annals of Intensive Care
https://www.readbyqxmd.com/read/27863120/numerical-simulation-of-volume-controlled-mechanical-ventilated-respiratory-system-with-two-different-lungs
#17
Yan Shi, Bolun Zhang, Maolin Cai, Xiaohua Douglas Zhang
Mechanical ventilation is a key therapy for patients who can't breathe adequately by themselves, and dynamics of mechanical ventilation system is of great significance for life support of patients. Recently, models of mechanical ventilated respiratory system with one lung are used to simulate respiratory system of patients. However, human has two lungs. When the respiratory characteristics of two lungs are different, single-lung model cannot reflect real respiratory system. In this paper, to illustrate dynamic characteristics of mechanical ventilated respiratory system with two different lungs, we propose a mathematical model of mechanical ventilated respiratory system with two different lungs and conduct experiments to verify the model...
November 9, 2016: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/27859552/low-pass-imaging-of-dynamic-acquisitions-lida-with-a-group-oriented-registration-goreg-for-proton-mr-imaging-of-lung-ventilation
#18
Andreas Voskrebenzev, Marcel Gutberlet, Till F Kaireit, Frank Wacker, Jens Vogel-Claussen
PURPOSE: To compare low-pass imaging dynamic acquisitions (LIDA) approach in combination with a group-oriented registration (GOREG) scheme with conventional Fourier decomposition (FD). METHODS: Dynamic images of six healthy volunteers and one chronic obstructive pulmonary disease (COPD) patient were acquired on a 1.5 Tesla scanner using a spoiled gradient echo sequence. For the volunteers each slice was acquired during regular (RB) and irregular breathing (IB). For conventional registration (CR), all images were directly registered to the intermediate respiratory position...
November 18, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27859296/slide-tracheoplasty-outcomes-in-children-with-congenital-pulmonary-malformations
#19
Michael A DeMarcantonio, Catherine K Hart, Christina J Yang, Meredith Tabangin, Michael J Rutter, Roosevelt Bryant, Peter B Manning, Alessandro de Alarcón
OBJECTIVES/HYPOTHESIS: Evaluate and compare surgical outcomes of slide tracheoplasty for the treatment of congenital tracheal stenosis in children with and without pulmonary malformations. STUDY DESIGN: Retrospective chart review at a tertiary care pediatric medical center. METHODS: We identified patients with tracheal stenosis who underwent slide tracheoplasty from 2001 to 2014, and a subset of these patients who were diagnosed with congenital pulmonary malformations...
November 15, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27858374/prediction-of-fluid-responsiveness-an-update
#20
REVIEW
Xavier Monnet, Paul E Marik, Jean-Louis Teboul
In patients with acute circulatory failure, the decision to give fluids or not should not be taken lightly. The risk of overzealous fluid administration has been clearly established. Moreover, volume expansion does not always increase cardiac output as one expects. Thus, after the very initial phase and/or if fluid losses are not obvious, predicting fluid responsiveness should be the first step of fluid strategy. For this purpose, the central venous pressure as well as other "static" markers of preload has been used for decades, but they are not reliable...
December 2016: Annals of Intensive Care
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