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protective lung ventilation

Haili Luo, Shaohong Wang, Tongmei Yuan, Jingtao Liu, Ling Yao, Xianguo Pan, Xuemei Long, Juncheng Wu, Feng Shen
BACKGROUND: More and more cases of human infections with avian influenza A H7N9 have been reported since it was first mentioned in 2013 in China, but concurrence of influenza A H7N9 with Mycoplasma pneumoniae, however, has never been described. Here, we reported the case of a woman co-infected by influenza A H7N9 and Mycoplasma pneumoniae, whose treatment process was a little bit longer and a little bit complicated as well. CASE PRESENTATION: Our patient was an 80-year-old Chinese woman who presented with fever, cough, chest tightness, and shortness of breath...
March 15, 2018: Journal of Medical Case Reports
Penny S Reynolds, Bernard J Fisher, Jacquelyn McCarter, Christopher Sweeney, Erika J Martin, Paul Middleton, Matthew Ellenberg, Evan Fowler, Donald F Brophy, Alpha A Fowler, Bruce D Spiess, Ramesh Natarajan
BACKGROUND: Coagulopathy and inflammation induced by hemorrhagic shock and traumatic injury are associated with increased mortality and morbidity. Vitamin C (VitC) is an antioxidant with potential protective effects on the pro-inflammatory and pro-coagulant pathways. We hypothesized that high-dose VitC administered as a supplement to fluid resuscitation would attenuate inflammation, coagulation dysfunction, and end-organ tissue damage in a swine model of polytrauma and hemorrhage. METHODS: Male Sinclair swine (n = 24; mean body weight 27 kg) were anesthetized, intubated, mechanically ventilated, and instrumented for physiological monitoring...
March 12, 2018: Journal of Trauma and Acute Care Surgery
Lingchen Kong, Jianzhong Li, Peng Wu, Jianhua Xu, Honglei Li, Haifei Long, Pan Liu, Fangfang Wei, Wenhong Peng
OBJECTIVE: To investigate the curative effect of lateral position ventilation combined with vibration sputum drainage on the patients with acute respiratory distress syndrome (ARDS). METHODS: A prospective randomized controlled trial was conducted. The patients with ARDS undergoing mechanical ventilation (MV) admitted to intensive care unit (ICU) of Linyi Central Hospital from January 2013 to June 2017 were enrolled, and they were divided into simple ventilation group and combined treatment group according to random number table...
March 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
Lauren Beard, Clyde J Wright
No abstract text is available yet for this article.
March 8, 2018: Acta Paediatrica
Hongli Chen, Xiaotong Sun, Xiaomei Yang, Yonghao Hou, Xiaoqian Yu, Yang Wang, Jianbo Wu, Dejie Liu, Huanliang Wang, Jingui Yu, Wenbo Yi
Mechanical ventilation (MV) may lead to ventilator-induced lung injury (VILI). Previous research has shown that dexmedetomidine attenuates pulmonary inflammation caused by MV, but the underlying mechanisms remain unclear. Our study aims to test whether dexmedetomidine has a protective effect against VILI and to explore the possible molecular mechanisms using the rat model. Thirty adult male Wistar rats weighing 200-250 g were randomly assigned to 5 groups (n = 6): control, low tidal volume MV (LMV), high tidal volume (HVT) MV (HMV), HVT MV + dexmedetomidine (DEX), HVT MV + dexmedetomidine + yohimbine (DEX+Y)...
February 20, 2018: Bosnian Journal of Basic Medical Sciences
S Morgenroth, J Thomas, V Cannizzaro, M Weiss, A R Schmidt
Spirometric monitoring provides precise measurement and delivery of tidal volumes within a narrow range, which is essential for lung-protective strategies that aim to reduce morbidity and mortality in mechanically-ventilated patients. Conventional anaesthesia ventilators include inbuilt spirometry to monitor inspiratory and expiratory tidal volumes. The GE Aisys CS2 anaesthesia ventilator allows additional near-patient spirometry via a sensor interposed between the proximal end of the tracheal tube and the respiratory tubing...
March 1, 2018: Anaesthesia
M Moreira, D Fernandes, E Pereira, E Monteiro, R Pascoa, C Dias
OBJECTIVE: Severe traumatic brain injury (TBI) management has been associated with adult respiratory distress syndrome (ARDS) in previous literature. We aimed to investigate the relationships between optimal CPP-guided management, ventilation parameters over time and outcome after severe TBI. MATERIALS AND METHODS: We performed retrospective analysis of recorded data from 38 patients admitted to the NCCU after severe TBI, managed with optimal cerebral perfusion pressure (CPPopt)-guided therapy, calculated using pressure reactivity index (PRx)...
2018: Acta Neurochirurgica. Supplement
Karalynn Otterness, Christine Ahn, Jeffrey Nusbaum, Nachi Gupta
Smoke inhalation injury portends increased morbidity and mortality in fire-exposed patients. Upper airway thermal burns, inflammation from lower airway irritants, and systemic effects of carbon monoxide and cyanide can contribute to injury. A standardized diagnostic protocol for inhalation injury is lacking, and management remains mostly supportive. Clinicians should maintain a high index of suspicion for concomitant traumatic injuries. Diagnosis is mostly clinical, aided by bronchoscopy and other supplementary tests...
March 1, 2018: Emergency Medicine Practice
Karalynn Otterness, Christine Ahn
Smoke inhalation injury portends increased morbidity and mortality in fire-exposed patients. Upper airway thermal burns, inflammation from lower airway irritants, and systemic effects of carbon monoxide and cyanide can contribute to injury. A standardized diagnostic protocol for inhalation injury is lacking, and management remains mostly supportive. Clinicians should maintain a high index of suspicion for concomitant traumatic injuries. Diagnosis is mostly clinical, aided by bronchoscopy and other supplementary tests...
March 2018: Emergency Medicine Practice
Kevin Delucchi, Katie R Famous, Lorraine B Ware, Polly E Parsons, B Taylor Thompson, Carolyn S Calfee
RATIONALE: Two distinct acute respiratory distress syndrome (ARDS) subphenotypes have been identified using data obtained at time of enrolment in clinical trials; it remains unknown if these subphenotypes are durable over time. OBJECTIVE: To determine the stability of ARDS subphenotypes over time. METHODS: Secondary analysis of data from two randomised controlled trials in ARDS, the ARMA trial of lung protective ventilation (n=473; patients randomised to low tidal volumes only) and the ALVEOLI trial of low versus high positive end-expiratory pressure (n=549)...
February 24, 2018: Thorax
María Lema Tome, Francisco Andrés De la Gala, Patricia Piñeiro, Luis Olmedilla, Ignacio Garutti
INTRODUCTION: In last few years, emphasis was placed in goal-directed therapy in order to optimize patient's hemodynamic status and improve their prognosis. Parameters based on the interaction between heart and lungs have been questioned in situations like low tidal volume and open chest surgery. The goal of the study was to analyze the changes that one-lung ventilation can produce over stroke volume variation and to assess the possible impact of airway pressures and lung compliance over stroke volume variation...
February 21, 2018: Revista Brasileira de Anestesiologia
Mehrdad Pourfathi, Maurizio Cereda, Shampa Chatterjee, Yi Xin, Stephen Kadlecek, Ian Duncan, Hooman Hamedani, Sarmad Siddiqui, Harrilla Profka, Jason Ehrich, Kai Ruppert, Rahim R Rizi
Acute respiratory distress syndrome (ARDS) is a major cause of mortality in critically ill patients. Patients are currently managed by protective ventilation and alveolar recruitment using positive-end expiratory pressure (PEEP). However, the PEEP's effect on both pulmonary metabolism and regional inflammation is poorly understood. Here, we demonstrate the effect of PEEP on pulmonary anaerobic metabolism in mechanically ventilated injured rats, using hyperpolarized carbon-13 imaging. Pulmonary lactate-to-pyruvate ratio was measured in 21 rats; 14 rats received intratracheal instillation of hydrochloric-acid, while 7 rats received sham saline...
February 23, 2018: Scientific Reports
Julie Wagner, Karl M Strosing, Sashko G Spassov, Ziwei Lin, Helen Engelstaedter, Sabine Tacke, Alexander Hoetzel, Simone Faller
Mechanical ventilation is a life-saving clinical treatment but it can induce or aggravate lung injury. New therapeutic strategies, aimed at reducing the negative effects of mechanical ventilation such as excessive production of reactive oxygen species, release of pro-inflammatory cytokines, and transmigration as well as activation of neutrophil cells, are needed to improve the clinical outcome of ventilated patients. Though the inhaled anesthetic sevoflurane is known to exert organ-protective effects, little is known about the potential of sevoflurane therapy in ventilator-induced lung injury...
2018: PloS One
Eddy Fan, Daniel Brodie, Arthur S Slutsky
Importance: Acute respiratory distress syndrome (ARDS) is a life-threatening form of respiratory failure that affects approximately 200 000 patients each year in the United States, resulting in nearly 75 000 deaths annually. Globally, ARDS accounts for 10% of intensive care unit admissions, representing more than 3 million patients with ARDS annually. Objective: To review advances in diagnosis and treatment of ARDS over the last 5 years. Evidence Review: We searched MEDLINE, EMBASE, and the Cochrane Database of Systematic Reviews from 2012 to 2017 focusing on randomized clinical trials, meta-analyses, systematic reviews, and clinical practice guidelines...
February 20, 2018: JAMA: the Journal of the American Medical Association
T A Pshenichniy, B A Akselrod, I V Titova, N A Trekova, M V Khrustaleva
BACKGROUND: In cardiac surgery, protective lung ventilation and/or preventive brdnchoscopy (PB) are able to decrease lung injury effects of cardiopulmonary bypass (CPB) and mechanical ventilation. OBJECTIVES: define lung complication risks, evaluate the effect ofprotective lung ventilation (PLV) on lung functioning, and investigate the feasibility ofpreventive PB in higher pulmonary risk (PR) patients. MATERIALS AND METHODS: 66 patients participated in prospective randomized research...
September 2017: Anesteziologiia i Reanimatologiia
Erland Östberg, Arnar Thorisson, Mats Enlund, Henrik Zetterström, Göran Hedenstierna, Lennart Edmark
BACKGROUND: Various methods for protective ventilation are increasingly being recommended for patients undergoing general anesthesia. However, the importance of each individual component is still unclear. In particular, the perioperative use of positive end-expiratory pressure (PEEP) remains controversial. The authors tested the hypothesis that PEEP alone would be sufficient to limit atelectasis formation during nonabdominal surgery. METHODS: This was a randomized controlled evaluator-blinded study...
February 19, 2018: Anesthesiology
Richard M Bruce, Phi Anh Phan, Edmund Pacpaco, Najib M Rahman, Andrew Farmery
The Inspired Sinewave Technique (IST) is a novel method which can provide simple, non-invasive cardiopulmonary measurements. Over successive tidal-breaths the concentration of a tracer gas (i.e. nitrous oxide, N2 O) is sinusoidally modulated in inspired air. Using a single-compartment tidal-ventilation lung model, the resulting amplitude/phase of the expired sinewave allows estimation of end-expired lung volume (ELV), pulmonary blood flow and three indices for ventilatory heterogeneity (VH; ELV180 /FRCpleth , ELV180 /FRCpred and ELV60 /ELV180 )...
February 19, 2018: Experimental Physiology
P M Spieth, A Güldner, C Uhlig, T Bluth, T Kiss, C Conrad, K Bischlager, A Braune, R Huhle, A Insorsi, F Tarantino, L Ball, M J Schultz, N Abolmaali, T Koch, P Pelosi, M Gama de Abreu
BACKGROUND: Experimental studies showed that controlled variable ventilation (CVV) yielded better pulmonary function compared to non-variable ventilation (CNV) in injured lungs. We hypothesized that CVV improves intraoperative and postoperative respiratory function in patients undergoing open abdominal surgery. METHODS: Fifty patients planned for open abdominal surgery lasting >3 h were randomly assigned to receive either CVV or CNV. Mean tidal volumes and PEEP were set at 8 ml kg-1 (predicted body weight) and 5 cm H2 O, respectively...
March 2018: British Journal of Anaesthesia
Federico Piccioni, Riccardo Ragazzi
Enhanced recovery after surgery (ERAS) programs are developed to prevent factors that delay postoperative recovery as well as issues that cause complications. The development of video-assist thoracoscopic surgery (VATS) techniques favors the fast recovery after thoracic procedures. ERAS strategies are based on multidisciplinary approach in which the anesthetist plays an important role from the preoperative to the postoperative phase with several goals. After preoperative evaluation and medical optimization, the anesthetist must ensure a tailored anesthetic plan aiming to a fast recovery and adequate pain relief to reduce the response to the surgical stress...
2018: Journal of visualized surgery
Heather Torbic, Abhijit Duggal
Acute respiratory distress syndrome (ARDS) is an acute inflammatory process that impairs the ability of the lungs to oxygenate and ultimately leads to respiratory failure. Patients who develop ARDS often have prolonged and complicated hospital courses putting them at risk for intensive care unit (ICU) delirium. Patients with ICU delirium often need chemical sedation, mechanical ventilation, prolonged duration of ICU and hospital stays, long-term cognitive impairment, and increased mortality. In a patient with ARDS, ICU delirium further complicates the hospital course and increases the risk of morbidly and mortality...
February 14, 2018: Pharmacotherapy
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