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https://www.readbyqxmd.com/read/28095954/predicting-air-quality-at-first-ingress-into-vehicles-visiting-the-international-space-station
#1
Amelia A Romoser, Robert R Scully, Thomas F Limero, Vanessa De Vera, Patti F Cheng, Jennifer J Hand, John T James, Valerie E Ryder
INTRODUCTION: NASA regularly performs ground-based offgas tests (OGTs), which allow prediction of accumulated volatile pollutant concentrations at first entry on orbit, on whole modules and vehicles scheduled to connect to the International Space Station (ISS). These data guide crew safety operations and allow for estimation of ISS air revitalization systems impact from additional pollutant load. Since volatiles released from vehicle, module, and payload materials can affect crew health and performance, prediction of first ingress air quality is important...
February 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28091813/prolonged-air-leak-following-lobectomy-can-be-predicted-in-lung-cancer-patients
#2
Satoru Okada, Junichi Shimada, Daishiro Kato, Hiroaki Tsunezuka, Masayoshi Inoue
PURPOSE: The purpose of this study was to identify the factors associated with prolonged air leak (PAL) following pulmonary lobectomy for lung cancer. METHODS: The data of 146 patients who underwent pulmonary lobectomy for lung cancer between August 2010 and July 2015 were retrospectively reviewed. Air leaks were assessed daily by a visual evaluation and were categorized as follows: forced expiratory only (Grade 1), expiratory only (Grade 2), or continuous (Grade 3)...
January 13, 2017: Surgery Today
https://www.readbyqxmd.com/read/28089646/a-risk-score-to-predict-the-incidence-of-prolonged-air-leak-after-video-assisted-thoracoscopic-lobectomy-an-analysis-from-the-european-society-of-thoracic-surgeons-database
#3
Cecilia Pompili, Pierre Emmanuel Falcoz, Michele Salati, Zalan Szanto, Alessandro Brunelli
OBJECTIVE: The study objective was to develop an aggregate risk score for predicting the occurrence of prolonged air leak after video-assisted thoracoscopic lobectomy from patients registered in the European Society of Thoracic Surgeons database. METHODS: A total of 5069 patients who underwent video-assisted thoracoscopic lobectomy (July 2007 to August 2015) were analyzed. Exclusion criteria included sublobar resections or pneumonectomies, lung resection associated with chest wall or diaphragm resections, sleeve resections, and need for postoperative assisted mechanical ventilation...
December 22, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28089643/advancing-the-science-of-predicting-air-leaks
#4
EDITORIAL
Chi-Fu Jeffrey Yang
No abstract text is available yet for this article.
December 8, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28087049/-the-benefits-of-digital-chest-drainage-in-pleural-decortication-in-thoracic-empyema-prospective-randomized-control-trial
#5
José M Mier, Gildardo Cortés-Julián, Juan Berrios-Mejía, Zotés Víctor-Valdivia
BACKGROUND: Prolonged air leak after pleural decortication is one of the most frequent complications. OBJECTIVE: The aim of this study is to compare the effects of prolonged air leak between the digital chest drainage (DCD) system and the classic drainage system in patients with empyema class IIB or III (American Thoracic Society classification) in pleural decortication patients. MATERIAL AND METHODS: A total of 37 patients were enrolled in a prospective randomized control trial over one year, consisting of 2blinded groups, comparing prolonged air leak as a main outcome, the number of days until removal of chest drain, length of hospital stay and complications as secondary outcomes...
January 10, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28073573/surgery-for-predominant-lesion-in-nonlocalized-bronchiectasis
#6
Jie Dai, Xinsheng Zhu, Dongliang Bian, Ke Fei, Gening Jiang, Peng Zhang
OBJECTIVE: Patients with nonlocalized bronchiectasis are encountered commonly; however, there is little information regarding surgical intervention in this patient population. The aim of this study was to evaluate symptomatic response and safety of anatomic resection of the predominant lesion via the use of lobectomy for the management of nonlocalized bronchiectasis. METHODS: We reviewed the medical records of 37 consecutive patients who underwent lobectomy via thoracotomy for nonlocalized bronchiectasis between 2010 and 2013...
December 15, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28066669/agar-blue-localization-of-small-pulmonary-nodules-and-ground-glass-opacifications-for-thoracoscopic-resection
#7
Ara S Klijian
BACKGROUND: Screening for lung cancer using high resolution computed tomography (CT) has produced encouraging early results. Extremely small nodules and non-palpable areas of opacifications are able to be detected, but pose a challenge to the thoracic surgeon trying to resect these areas. METHODS: Forty five patients with ground glass opacifications (GGOs) or small pulmonary nodules underwent pre-operative CT-guided placement of methylene blue dyed agar and/or hook wire needle localization prior to thoracoscopic resection...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28066589/thoracoscopic-anterior-fissure-first-technique-for-left-lung-cancer-with-an-incomplete-fissure
#8
Joji Samejima, Mingyon Mun, Yosuke Matsuura, Masayuki Nakao, Hirofumi Uehara, Ken Nakagawa, Munetaka Masuda, Sakae Okumura
BACKGROUND: Dealing with incomplete lung fissures during thoracoscopic surgery is difficult. Our objective was to evaluate the efficacy and safety of a thoracoscopic anterior 'fissure first' technique for dealing with incomplete left lung fissures. METHODS: One hundred and seventy patients underwent left upper lobectomy or left lower lobectomy between April 2008 and July 2014. Of these, 34 patients underwent surgery using a thoracoscopic anterior 'fissure first' technique for incomplete fissures (group A) and 136 underwent surgery using a conventional thoracoscopic method for unfused fissures (group B)...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28065228/comparison-of-the-ambu-aura-i-with-the-air-q-intubating-laryngeal-airway-as-a-conduit-for-fiberoptic-guided-tracheal-intubation-in-children-with-ear-deformity
#9
Juan Zhi, Xiao-Ming Deng, Dong Yang, Chao Wen, Wen-Li Xu, Lei Wang, Jin Xu
Objective To compare the Ambu Aura-i with the Air-Q intubating laryngeal airway for fiberoptic-guided tracheal intubation in ear deformity children.Methods Totally 120 children who were scheduled for elective auricular reconstruction surgery requiring general anaesthesia with tracheal intubation were enrolled in this prospective study. They were randomized to receive either the Ambu Aura-i (Aura-i group) or Air-Q (Air-Q group). The time for successful tracheal intubation was assessed. The attempts for successful device insertion, leak pressures, cuff pressures, fiberoptic grade of laryngeal view, time for removal of the device after endotracheal intubation, and complications were recorded...
December 20, 2016: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28049376/management-of-pleural-space-after-lung-resection-by-cryoneuroablation-of-phrenic-nerve
#10
Xiao-Jie Pan, De-Bin Ou, Xing Lin, Ming-Fang Ye
OBJECTIVES: Residual air space problems after pulmonary lobectomy are an important concern in thoracic surgical practice, and various procedures have been applied to manage them. This study describes a novel technique using controllable paralysis of the diaphragm by localized freezing of the phrenic nerve, and assesses the effectiveness of this procedure to reduce air space after pulmonary lobectomy. METHODS: In this prospective randomized study, 207 patients who underwent lobectomy or bilobectomy and systematic mediastinal node dissection in our department between January 2009 and November 2013 were randomly allocated to a cryoneuroablation group or a conventional group...
January 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28043780/influence-of-mouth-opening-on-oropharyngeal-humidification-and-temperature-in-a-bench-model-of-neonatal-continuous-positive-airway-pressure
#11
Hendrik S Fischer, Tim L Ullrich, Christoph Bührer, Christoph Czernik, Gerd Schmalisch
Clinical studies show that non-invasive respiratory support by continuous positive airway pressure (CPAP) affects gas conditioning in the upper airways, especially in the presence of mouth leaks. Using a new bench model of neonatal CPAP, we investigated the influence of mouth opening on oropharyngeal temperature and humidity. The model features the insertion of a heated humidifier between an active model lung and an oropharyngeal head model to simulate the recurrent expiration of heated, humidified air. During unsupported breathing, physiological temperature and humidity were attained inside the model oropharynx, and mouth opening had no significant effect on oropharyngeal temperature and humidity...
December 30, 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28043473/estimating-the-annual-incremental-cost-of-several-complications-following-pulmonary-lobectomy
#12
Oliver K Jawitz, Daniel J Boffa, Frank C Detterbeck, Zuoheng Wang, Anthony W Kim
Determine the incremental increase in cost as well as length of hospital stay associated with several major complications following pulmonary lobectomy using a large national dataset. A retrospective cohort analysis of the 2012 National Inpatient Sample, Healthcare Cost and Utilization Project database was performed. Demographic and clinical data on patients ≥18 years having undergone an open or VATS lobectomy were included in the analysis. The median increase in cost and length of stay associated with relevant major complications were determined using a multivariable quantile regression model...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28039851/in-vitro-comparison-of-two-widely-used-surgical-sealants-for-treating-alveolar-air-leak
#13
Ruoyu Zhang, Maximilian Bures, Klaus Höffler, Danny Jonigk, Axel Haverich, Marcus Krueger
No abstract text is available yet for this article.
December 31, 2016: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28009728/medical-and-economic-evaluation-of-foreseal-bioabsorbable-reinforcement-sleeves-compared-with-current-standard-of-care-for-reducing-air-leakage-duration-after-lung-resection-for-malignancy-a-randomized-trial
#14
Marco Alifano, Christophe Jayle, François Bertin, Pierre Magdeleinat, Yves Castier, Olivier Tiffet, Alain Bernard, François Tronc, Pierre-Yves Brichon, Pascal Dumont, Gilles Grosdidier, Antoine Dujon, Abel Grine, Helena Pereira, Anais Le Jeannic, Marie Amélie Vinet, Hassani MaOulida, Isabelle Durand-Zaleski, Marc Riquet, Gilles Chatellier, Jean-François Regnard
OBJECTIVE: The objective of this study was to determine the efficacy of alginate staple-line reinforcement of fissure openings as compared with stapling alone, with or without tissue sealant or glue, in reducing the incidence and duration of air leakage after pulmonary lobectomy for malignancy. SUMMARY BACKGROUND DATA: No randomized trial evaluating alginate staple-line reinforcement has been performed to date. METHODS: The Staple-line Reinforcement for Prevention of Pulmonary Air Leakage study was a multicenter randomized trial, with blinded evaluation of endpoints...
January 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28008900/-re-operations-in-thoracic-surgery
#15
Amn Kurbonov, F I Makhmadov, K R Nazirboev
AIM: To optimize the outcomes of reoperations for postoperative complications in patients with thoracic diseases and injuries. MATERIAL AND METHODS: The study enrolled 1258 patients with different thoracic diseases and injuries. Postoperatively 58 (4.6%) patients underwent re-thoracotomy and 15 (1.1%) patients - video-assisted interventions for any complications. Indications for re-operations were intrapleural bleeding, bronchial stump failure, esophagogastrostomy insufficiency, prolonged air leak through the drains due to unsealed lung parenchyma, clotted hemothorax...
2016: Khirurgiia
https://www.readbyqxmd.com/read/28007874/new-tubeless-video-assisted-thoracoscopic-surgery-for-small-pulmonary-nodules
#16
Shuben Li, Long Jiang, Keng-Leong Ang, Hanzhang Chen, Qinglong Dong, Hanyu Yang, Jingpei Li, Jianxing He
OBJECTIVE: Problems associated with intubation, chest drainage and urinary catheterization can have a negative impact on patient's recovery after thoracic surgery. We therefore evaluated the feasibility of a new tubeless (spontaneous ventilation without tracheal intubation, urinary catheterization, and no post-operative chest drain placement) approach to perform video-assisted thoracoscopic surgery (VATS) for small pulmonary nodules (SPN) less than 2cm in diameter. METHODS: From 1 January 2012 to 31 December 2014, 34 patients with SPNs were treated using tubeless VATS in our centre...
December 22, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27995759/hydrogel-functionalized-janus-membrane-for-skin-regeneration
#17
Young-Hyeon An, Seung Jung Yu, In Seon Kim, Su-Hwan Kim, Jeong-Mi Moon, Seunghyun L Kim, Young Hwan Choi, Joon Sig Choi, Sung Gap Im, Kyung Eun Lee, Nathaniel S Hwang
In this study, a hydrogel functionalized Janus membrane is developed and its capacity is examined as a wound dressing biomaterial. A hydrophobic fluoropolymer, poly(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl methacrylate) (PHFDMA), is uniformly coated onto macroporous polyester membrane through initiated chemical vapor deposition process on both sides. PHFDMA-coated macroporous membrane exhibits antibacterial property, allows air permeation, and inhibits water penetration. Janus membrane property is obtained by exposing one side of PHFDMA coated membrane with 1 m KOH solution, which allows PHFDMA cleavage resulting in carboxylic acid residue...
December 20, 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27994532/severe-hypoxemia-in-a-healthy-donor-for-allogeneic-hematopoietic-stem-cell-transplantation-after-only-the-first-administration-of-granulocyte-colony-stimulating-factor
#18
Keita Yamamoto, Noriko Doki, Yasushi Senoo, Yuho Najima, Takeshi Kobayashi, Kazuhiko Kakihana, Kyoko Haraguchi, Yoshiki Okuyama, Hisashi Sakamaki, Kazuteru Ohashi
BACKGROUND: Granulocyte-colony stimulating factor (G-CSF) is widely used to mobilize peripheral blood stem cells (PBSCs) in healthy donors. A few reports have shown that some healthy donors developed acute respiratory distress syndrome or capillary leak syndrome after more than several rounds of G-CSF administration or leukapheresis. CASE REPORT: We report the case of a healthy donor for allogeneic stem cell transplantation who developed severe hypoxemia 1 h after only the first administration of G-CSF...
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27988916/experimental-study-of-intraparenchymal-fibrinogen-and-topical-thrombin-to-seal-pleural-defects
#19
Jun Yamamoto, Mitsutomo Kohno, Naoko Izawa, Toshinari Ema, Tai Hato, Ikuo Kamiyama, Takashi Ohtsuka, Masazumi Watanabe
OBJECTIVE: Fibrin sealants are used to close surgical pleural defects, but may detach, causing a postoperative air-leak. We investigated a new means of applying fibrin glue for closing pleural defects. METHODS: Pleural defects (10-mm and 4-mm diameters, respectively) were created in swine and rats via thoracotomy. They were sealed by a) injection of a fibrinogen solution into the lung parenchyma after instillation of a thrombin solution onto the pleural defect (group A), b) fibrinogen and thrombin spray (group B), c) fibrinogen instillation and a thrombin-dipped polyglycolic acid sheet (group C), or d) fibrin glue-coated collagen fleece (group D)...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27976361/early-nasal-intermittent-positive-pressure-ventilation-nippv-versus-early-nasal-continuous-positive-airway-pressure-ncpap-for-preterm-infants
#20
REVIEW
Brigitte Lemyre, Matthew Laughon, Carl Bose, Peter G Davis
BACKGROUND: Nasal continuous positive airway pressure (NCPAP) is a strategy for maintaining positive airway pressure throughout the respiratory cycle through the application of bias flow of respiratory gas to an apparatus attached to the nose. Treatment with NCPAP is associated with decreased risk of mechanical ventilation and might be effective in reducing chronic lung disease. Nasal intermittent positive pressure ventilation (NIPPV) is a form of noninvasive ventilation during which patients are exposed intermittently to higher levels of airway pressure, along with NCPAP through the same nasal device...
December 15, 2016: Cochrane Database of Systematic Reviews
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