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https://www.readbyqxmd.com/read/29033395/perioperative-changes-in-exhaled-nitric-oxide-during-oesophagectomy
#1
Piers Boshier, Alison Knaggs, George B Hanna, Nandor Marczin
Introduction Oesophagectomy is a major surgical procedure, associated with high rates of postoperative cardiopulmonary morbidity, that is in part due to the frequent requirement for periods of intraoperative one lung ventilation (OLV). The current pilot study aims to investigate variation in exhaled NO levels during oesophagectomy with emphasis on the response to OLV and correlation to physiological variables and clinical outcomes. Methods Breath-to-breath concentrations of NO were analysed in patients undergoing oesophagectomy at various stages of two lung ventilation...
October 16, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28992055/amphotericin-b-concentrations-in-healthy-mallard-ducks-anas-platyrhynchos-following-a-single-intratracheal-dose-of-liposomal-amphotericin-b-using-an-atomizer
#2
Ashley Phillips, Christine V Fiorello, Rachel M Baden, Jack H Liu, Nathaniel C Burmas, Carlos A Ruvalcaba, Roger Monroy, F Charles Mohr, Ronette Gehring, Jean-Pierre Delplanque, Karl V Clemons, David A Stevens, Lisa A Tell
Aspergillosis is a fungal infection that primarily affects the respiratory tract. Amphotericin B has broad antifungal activity and is commonly used to treat aspergillosis, a fungal pneumonia that is a common sequela in oiled waterfowl as well as other birds in wildlife rehabilitation. Pharmacokinetic parameters of nebulized amphotericin B in an avian model have been reported, but those of direct intratracheal delivery have yet to be established. The objective of this study was to evaluate if a single 3 mg/kg dose of liposomal amphotericin B delivered intratracheally using a commercial atomizer would achieve plasma and lung tissue concentrations exceeding targeted minimum inhibitory concentrations (MIC) for Aspergillus species in adult mallard ducks (Anas platyrhynchos)...
August 3, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28967439/new-evidence-in-one-lung-ventilation
#3
H Meleiro, I Correia, P Charco Mora
Mechanical ventilation in thoracic surgery has undergone significant changes in recent years due to the implementation of the protective ventilation. This review will analyze recent ventilatory strategies in one-lung ventilation. A MEDLINE research was performed using Mesh term "One-Lung Ventilation" including randomized clinical trials, metanalysis, reviews and systematic reviews published in the last 6 years. Search was performed on 21st March 2017. A total of 75 articles were initially found. After title and abstract review 14 articles were included...
September 26, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28945122/pulmonary-hemodynamics-and-alveolar-oxygenation-in-healthy-dogs-anesthetized-with-propofol-or-isoflurane-during-one-lung-ventilation-in-a-closed-thoracic-experimental-model
#4
Beatriz P Floriano, Thomas A Trein, Juliana T Wagatsuma, Joana Z Ferreira, Renata H Pinho, Paulo S P Santos, Valéria N L S Oliva
OBJECTIVE To assess pulmonary hemodynamics and alveolar oxygenation in dogs anesthetized with propofol or isoflurane during one-lung ventilation (OLV) in a closed-thoracic experimental model. ANIMALS 6 healthy Beagles. PROCEDURES Dogs were anesthetized with each of 3 protocols (constant rate IV infusion of propofol [0.4 to 1.0 mg/kg/min], isoflurane at the minimum alveolar concentration [MAC], and isoflurane 1.5 MAC), with a 7-day washout period between anesthetic sessions. During each session, dogs were intubated with a double-lumen endotracheal tube, positioned in right lateral recumbency, and administered atracurium (0...
October 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28919776/safety-pharmacokinetics-and-pharmacodynamics-of-oral-omaveloxolone-rta-408-a-synthetic-triterpenoid-in-a-first-in-human-trial-of-patients-with-advanced-solid-tumors
#5
Ben C Creelan, Dmitry I Gabrilovich, Jhanelle E Gray, Charles C Williams, Tawee Tanvetyanon, Eric B Haura, Jeffrey S Weber, Geoffrey T Gibney, Joseph Markowitz, Joel W Proksch, Scott A Reisman, Mark D McKee, Melanie P Chin, Colin J Meyer, Scott J Antonia
BACKGROUND: Omaveloxolone is a semisynthetic oleanane triterpenoid that potently activates Nrf2 with subsequent antioxidant function. We conducted a first-in-human Phase I clinical trial (NCT02029729) with the primary objectives to determine the appropriate dose for Phase II studies, characterize pharmacokinetic and pharmacodynamic parameters, and assess antitumor activity. METHODS: Omaveloxolone was administered orally once daily continuously in a 28-day cycle for patients with stage 4 relapsed/refractory melanoma or non-small cell lung cancer...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28877711/pulmonary-challenge-with-carbon-nanoparticles-induces-a-dose-dependent-increase-in-circulating-leukocytes-in-healthy-males
#6
Marieke Berger, Johannes D de Boer, René Lutter, Michiel Makkee, Peter J Sterk, Elles M Kemper, Jaring S van der Zee
BACKGROUND: Inhalation of particulate matter, as part of air pollution, is associated with increased morbidity and mortality. Nanoparticles (< 100 nm) are likely candidates for triggering inflammatory responses and activation of coagulation pathways because of their ability to enter lung cells and pass bronchial mucosa. We tested the hypothesis that bronchial segmental instillation of carbon nanoparticles causes inflammation and activation of coagulation pathways in healthy humans in vivo...
September 6, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28862385/tailoring-stents-to-fit-the-anatomy-of-unique-vascular-stenoses-in-congenital-heart-disease
#7
Patrick M Sullivan, Aimee Liou, Cheryl Takao, Henri Justino, Christopher J Petit, Jorge D Salazar, Frank F Ing
BACKGROUND: Unique and small anatomical features often preclude the use of available vascular stents in pediatric patients with congenital heart disease (CHD). OBJECTIVES: To report our experience and outcomes tailoring stents to fit unique anatomy, particularly in small children and infants with CHD. METHODS: Stent tailoring techniques included trimming, folding, and flaring. Patients receiving a tailored stent November 2002 to February 2015 were included in a retrospective analysis...
September 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28843606/impact-of-low-tidal-volumes-during-one-lung-ventilation-a-meta-analysis-of-randomized-controlled-trials
#8
Mohamed R El Tahan, Laura Pasin, Nandor Marczin, Giovanni Landoni
OBJECTIVES: The link between ventilation strategies and perioperative outcomes remains one of the fundamental paradigms of thoracic anaesthesia. During one-lung ventilation (OLV), one lung is excluded from gas exchange and ventilation is directed at the dependent lung. The authors hypothesised that the use of low tidal volumes (VT) during OLV provides adequate gas exchange and improves postoperative outcome. DESIGN: Meta-analysis of randomized clinical trials. SETTING: Thoracic surgery...
October 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28842155/the-history-of-one-lung-anesthesia-and-the-double-lumen-tube
#9
REVIEW
Brendan McGrath, Christopher Tennuci, George Lee
One-lung anesthesia presents many practical, anatomical, and physiological challenges to the anesthetist in modern day practice. The techniques and equipment that we use today have developed slowly over the course of the last century. The idea of isolated lung ventilation came from bronchospirometry studies by pioneering physiologists as early as 1871, and some of their original equipment was adapted for clinical use in the 1930s. Anesthetic techniques have generally been developed to facilitate surgical advances, and the development of double-lumen tubes is no exception...
July 2017: Journal of Anesthesia History
https://www.readbyqxmd.com/read/28834556/deterministic-direct-aperture-optimization-using-multiphase-piecewise-constant-segmentation
#10
Dan Nguyen, Daniel O'Connor, Dan Ruan, Ke Sheng
PURPOSE: Direct Aperture Optimization (DAO) attempts to incorporate machine constraints in the inverse optimization to eliminate the post-processing steps in fluence map optimization (FMO) that degrade plan quality. Current commercial DAO methods utilize a stochastic or greedy approach to search a small aperture solution space. In this study, we propose a novel deterministic direct aperture optimization that integrates the segmentation of fluence map in the optimization problem using the multiphase piecewise constant Mumford-Shah formulation...
August 23, 2017: Medical Physics
https://www.readbyqxmd.com/read/28828369/lung-imaging-how-to-get-better-look-inside-the-lung
#11
REVIEW
Lorenzo Ball, Veronica Vercesi, Federico Costantino, Karthikka Chandrapatham, Paolo Pelosi
In the last years, imaging has played a key role in the diagnosis and monitoring and critical illness, including acute respiratory distress syndrome (ARDS). Chest X-ray (CXR) and computed tomography (CT) are the conventional techniques most performed in the critically ill patients, the latter being the gold standard to assess lung aeration in ARDS patients. In addition, two bedside techniques are now gaining popularity alongside the conventional ones: lung ultrasound (LUS) and electrical impedance tomography (EIT)...
July 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28808186/oxygenation-inflammatory-response-and-lung-injury-during-one-lung-ventilation-in-rabbits-using-inspired-oxygen-fraction-of-0-6-vs-1-0
#12
Zeping Xu, Lianbing Gu, Qingming Bian, Pengyi Li, Lijun Wang, Jingyuan Zhang, Yanning Qian
Maintaining adequate oxygenation during one-lung ventilation (OLV) requires high inspired oxygen fraction (FiO2). However, high FiO2 also causes inflammatory response and lung injury. Therefore, it remains a great interest to clinicians and scientists to optimize the care of patients undergoing OLV. The aim of this study was to determine and compare oxygenation, inflammatory response and lung injury during OLV in rabbits using FiO2 of 0.6 vs. 1.0. After 30 minutes of two-lung ventilation (TLV) as baseline, 30 rabbits were randomly assigned to three groups receiving mechanical ventilation for 3 hours: the sham group, receiving TLV with 0...
October 17, 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28804889/a-randomised-trial-comparing-real-time-double-lumen-endobronchial-tube-placement-with-the-disposcope-%C3%A2-with-conventional-blind-placement
#13
P T Chen, C K Ting, M Y Lee, H W Cheng, K H Chan, W K Chang
Double-lumen endobronchial tube placement is challenging. This study compared double-lumen tube placement with the Disposcope(®) , a wireless videostylet allowing real-time visualisation, with conventional blind placement. Patients undergoing elective thoracic surgery with normal airways requiring one-lung ventilation were randomly allocated into two groups (27 patients in each group). The Disposcope was used to assist left-sided double-lumen tube placement in one group, and conventional blind placement was performed in the control group...
September 2017: Anaesthesia
https://www.readbyqxmd.com/read/28803774/do-low-tidal-volumes-decrease-lung-injury-during-one-lung-ventilation
#14
EDITORIAL
Peter D Slinger
No abstract text is available yet for this article.
October 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28800989/a-prospective-comparison-of-intraluminal-and-extraluminal-placement-of-the-9-french-arndt-bronchial-blocker-in-adult-thoracic-surgery-patients
#15
T Wesley Templeton, Benjamin N Morris, Eduardo J Goenaga-Diaz, Daniel J Forest, Rhett Hadley, Blake A Moore, Yvon F Bryan, Roger L Royster
OBJECTIVE: To compare the standard intraluminal approach with the placement of the 9-French Arndt endobronchial blocker with an extraluminal approach by measuring the time to positioning and other relevant intraoperative and postoperative parameters. DESIGN: A prospective, randomized, controlled trial. SETTING: University hospital. PARTICIPANTS: The study comprised 41 patients (20 intraluminal, 21 extraluminal) undergoing thoracic surgery...
August 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28794877/effects-of-hifu-induced-cavitation-on-flooded-lung-parenchyma
#16
Frank Wolfram, Georg Dietrich, Carsten Boltze, Klaus Vitold Jenderka, Thomas Günther Lesser
BACKGROUND: High intensity focused ultrasound (HIFU) has gained clinical interest as a non-invasive local tumour therapy in many organs. In addition, it has been shown that lung cancer can be targeted by HIFU using One-Lung Flooding (OLF). OLF generates a gas free saline-lung compound in one lung wing and therefore acoustic access to central lung tumours. It can be assumed that lung parenchyma is exposed to ultrasound intensities in the pre-focal path and in cases of misguiding. If so, cavitation might be induced in the saline fraction of flooded lung and cause tissue damage...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/28794843/whole-lung-lavage-complicated-with-pneumothorax-a-case-report
#17
Hyun-Joo Ahn, Mikyung Yang, Jie Ae Kim, Burnyoung Heo, Jin-Kyoung Kim, So Yoon Park
A patient with pulmonary alveolar proteinosis underwent whole lung lavage of the right lung. Lavage of the left lung was not immediately possible because of severe hypoxemia. Three days later, after correction of hypoxemia, we re-attempted the left lung lavage. However, the patient had severe hypoxemia (SpO2 < 80%) within a few minutes of performing right one lung ventilation (OLV). On bronchoscopic examination, proper tube location was confirmed. Bronchodilator nebulization and steroid injection were attempted with no effect...
August 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28763898/-effect-of-single-lumen-endobronchial-tube-and-double-lumen-endobronchial-tube-on-ventilation-and-lung-injury-in-patients-with-esophageal-cancer-undergoing-combined-thoracoscopic-and-laparoscopic-esophagectomy
#18
Y L Sun, Y Bai, T K Li, S G Lü, L Wang, X H Lu
Objective: To investigate the effect of the single lumen endobronchial tube and the double lumen endobronchial tube on ventilation and lung injury in patients with esophageal cancer undergoing combined thoracoscopic and laparoscopic esophagectomy. Methods: Sixty patients with esophageal cancer undergoing combined thoracoscopic and laparoscopic esophagectomy were divided into single lumen endobronchial tube group (D group, n=30) and double lumen endobronchial tube group (S, n=30) according to the random number table...
July 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28757838/anesthetic-management-for-lobectomy-of-a-2-month-old-infant-with-bronchogenic-cyst-case-report-along-with-review-of-literature
#19
T Bansal, S Kiran, K Kamal, N Bangarwa
Bronchogenic cyst, a benign congenital cystic lesion of the lung, is a rare cause of respiratory distress in children comprising 7.5% of all mediastinal masses. A thorough preoperative evaluation is crucial to plan for definitive intra- and post-operative management. All patients should be thoroughly evaluated for the presence of compression, deviation or distortion of airways and great veins. The easiest means of providing one lung ventilation in pediatrics is to intubate the main stem bronchus of the nonoperated lung...
July 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28752009/absent-lung-deflation-because-of-blockade-using-an-endobronchial-blocker
#20
Rakesh Garg, Anuja Pandit
One-lung ventilation is required for various thoracic procedures. In addition, various strategies such as the use of double-lumen tube, uninvent tubes, and endobronchial blocker have been used for performing one-lung ventilation. Each of these techniques has its advantages and limitations. Certain factors for failure of endobronchial blocker to provide lung deflation has been described in literature. We report a different aetiology of failure of lung deflation, although the endobronchial blocker was appropriately placed...
June 2017: Turkish Journal of Anaesthesiology and Reanimation
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