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https://www.readbyqxmd.com/read/28979541/management-of-severe-traumatic-brain-injury-and-acute-respiratory-distress-syndrome-using-pumped-extracorporeal-carbon-dioxide-removal-device
#1
Tim Martindale, Phillip McGlone, Robert Chambers, Jon Fennell
The effects of a high carbon dioxide on cerebral perfusion and intracranial pressure are well known. We report the case of a man who presented after with a severe traumatic brain injury including intracranial and extradural haemorrhage. Neuroprotective ventilation was impossible without supramaximal tidal volumes due to a combination of chest trauma and severe bronchospasm. A pump driven Novalung iLA active® system was inserted to achieve both ARDSnet ventilation and a lowering of intracranial pressure. To our knowledge, this is the first time this system has been used to this effect...
February 2017: J Intensive Care Soc
https://www.readbyqxmd.com/read/28977255/statistical-analysis-plan-for-the-alveolar-recruitment-for-acute-respiratory-distress-syndrome-trial-art-a-randomized-controlled-trial
#2
Lucas Petri Damiani, Otavio Berwanger, Denise Paisani, Ligia Nasi Laranjeira, Erica Aranha Suzumura, Marcelo Britto Passos Amato, Carlos Roberto Ribeiro Carvalho, Alexandre Biasi Cavalcanti
BACKGROUND: The Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial (ART) is an international multicenter randomized pragmatic controlled trial with allocation concealment involving 120 intensive care units in Brazil, Argentina, Colombia, Italy, Poland, Portugal, Malaysia, Spain, and Uruguay. The primary objective of ART is to determine whether maximum stepwise alveolar recruitment associated with PEEP titration, adjusted according to the static compliance of the respiratory system (ART strategy), is able to increase 28-day survival in patients with acute respiratory distress syndrome compared to conventional treatment (ARDSNet strategy)...
April 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28936695/early-application-of-airway-pressure-release-ventilation-may-reduce-the-duration-of-mechanical-ventilation-in-acute-respiratory-distress-syndrome
#3
Yongfang Zhou, Xiaodong Jin, Yinxia Lv, Peng Wang, Yunqing Yang, Guopeng Liang, Bo Wang, Yan Kang
PURPOSE: Experimental animal models of acute respiratory distress syndrome (ARDS) have shown that the updated airway pressure release ventilation (APRV) methodologies may significantly improve oxygenation, maximize lung recruitment, and attenuate lung injury, without circulatory depression. This led us to hypothesize that early application of APRV in patients with ARDS would allow pulmonary function to recover faster and would reduce the duration of mechanical ventilation as compared with low tidal volume lung protective ventilation (LTV)...
November 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28858533/genetic-variation-in-map3k1-associates-with-ventilator-free-days-in-acute-respiratory-distress-syndrome
#4
Eric D Morrell, D Shane O'Mahony, Bradford J Glavan, Susanna Harju-Baker, Catherine Nguyen, Scott Gunderson, Aaron Abrahamson, Frank Radella Ii, Gail Rona, R Anthony Black, Mark M Wurfel
Mitogen activated protein kinase kinase kinase 1 (MAP3K1) regulates numerous intracellular signaling pathways involved in inflammation and apoptosis. We hypothesized that genetic variation in MAP3K1 might be associated with outcomes in patients with acute respiratory distress syndrome (ARDS), and that these variants would alter MAP3K1-mediated changes in inflammation and transcriptional regulation. To test this hypothesis, we genotyped single nucleotide polymorphisms (SNPs) covering linkage disequilibrium bins in MAP3K1 in 306 subjects with ARDS from the ARDSNet FACTT study, and tested for associations between MAP3K1 SNPs and ventilator-free days (VFD) and mortality...
August 31, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28730554/bedside-selection-of-positive-end-expiratory-pressure-by-electrical-impedance-tomography-in-hypoxemic-patients-a-feasibility-study
#5
Nilde Eronia, Tommaso Mauri, Elisabetta Maffezzini, Stefano Gatti, Alfio Bronco, Laura Alban, Filippo Binda, Tommaso Sasso, Cristina Marenghi, Giacomo Grasselli, Giuseppe Foti, Antonio Pesenti, Giacomo Bellani
BACKGROUND: Positive end-expiratory pressure (PEEP) is a key element of mechanical ventilation. It should optimize recruitment, without causing excessive overdistension, but controversy exists on the best method to set it. The purpose of the study was to test the feasibility of setting PEEP with electrical impedance tomography in order to prevent lung de-recruitment following a recruitment maneuver. We enrolled 16 patients undergoing mechanical ventilation with PaO2/FiO2 <300 mmHg...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28593401/external-validation-of-a-biomarker-and-clinical-prediction-model-for-hospital-mortality-in-acute-respiratory-distress-syndrome
#6
Zhiguo Zhao, Nancy Wickersham, Kirsten N Kangelaris, Addison K May, Gordon R Bernard, Michael A Matthay, Carolyn S Calfee, Tatsuki Koyama, Lorraine B Ware
PURPOSE: Mortality prediction in ARDS is important for prognostication and risk stratification. However, no prediction models have been independently validated. A combination of two biomarkers with age and APACHE III was superior in predicting mortality in the NHLBI ARDSNet ALVEOLI trial. We validated this prediction tool in two clinical trials and an observational cohort. METHODS: The validation cohorts included 849 patients from the NHLBI ARDSNet Fluid and Catheter Treatment Trial (FACTT), 144 patients from a clinical trial of sivelestat for ARDS (STRIVE), and 545 ARDS patients from the VALID observational cohort study...
August 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28570350/impact-of-critical-care-air-transport-team-ccatt-ventilator-management-on-combat-mortality
#7
Joseph K Maddry, Alejandra G Mora, Shelia C Savell, Crystal A Perez, Phillip E Mason, James K Aden, Vikhyat S Bebarta
BACKGROUND: Aeromedical evacuation platforms such as Critical Care Air Transport Teams (CCATTs) play a vital role in the transport and care of critically injured and ill patients in the combat theater. Mechanical ventilation is used to support patients with failing respiratory function and patients requiring high levels of sedation. Mechanical ventilation, if not managed appropriately, can worsen or cause lung injury, as well as contribute to increased morbidity.The purpose of this study was to evaluate the impact of ARDSNet protocol compliance during aeromedical evacuation of ventilated combat injured patients...
May 30, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28550403/healthcare-utilization-and-costs-in-ards-survivors-a-1-year-longitudinal-national-us-multicenter-study
#8
A Parker Ruhl, Minxuan Huang, Elizabeth Colantuoni, Taruja Karmarkar, Victor D Dinglas, Ramona O Hopkins, Dale M Needham
PURPOSE: To evaluate (1) post-discharge healthcare utilization and estimated costs in ARDS survivors, and (2) the association between patient and intensive care-related variables, and 6-month patient status, with subsequent hospitalization and costs. METHODS: Longitudinal cohort study enrolling from four ARDSNet trials in 44 US hospitals. Healthcare utilization was collected via structured interviews at 6 and 12 months post-ARDS, and hospital costs estimated via the Medical Expenditure Panel Survey...
July 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28535820/predicted-body-weight-relationships-for-protective-ventilation-unisex-proposals-from-pre-term-through-to-adult
#9
Dion C Martin, Glenn N Richards
BACKGROUND: The lung-protective ventilation bundle has been shown to reduce mortality in adult acute respiratory distress syndrome (ARDS). This concept has expanded to other areas of acute adult ventilation and is recommended for pediatric ventilation. A component of lung-protective ventilation relies on a prediction of lean body weight from height. The predicted body weight (PBW) relationship employed in the ARDS Network trial is considered valid only for adults, with a dedicated formula required for each sex...
May 23, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28459402/-effect-of-different-transpulmonary-pressures-guided-mechanical-ventilation-on-respiratory-and-hemodynamics-of-patients-with-ards-a-prospective-randomized-controlled-trial
#10
Jianqiu Li, Zhihui Luo, Xiaolei Li, Zhongyi Huang, Jie Han, Zifeng Li, Zhaoxiong Zhou, Houwang Chen
OBJECTIVE: To assess the effect of different transpulmonary pressures (Ptp) guided mechanical ventilation (MV) on respiratory function and hemodynamics parameters of patients with acute respiratory distress syndrome (ARDS), and to find out a more optimized Ptp. METHODS: A prospective randomized controlled trial (RCT) was conducted. The ventilated patients with ARDS admitted to Department of Critical Care Medicine (ICU) of Shenzhen Shajing Affiliated Hospital of Guangzhou Medical University and Department of Emergency and Critical Care Medicine (EICU) of Shenzhen Hospital of South Medical University from February 2013 to August 2016 were enrolled...
January 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28448162/joblessness-and-lost-earnings-after-acute-respiratory-distress-syndrome-in-a-1-year-national-multicenter-study
#11
MULTICENTER STUDY
Biren B Kamdar, Minxuan Huang, Victor D Dinglas, Elizabeth Colantuoni, Till M von Wachter, Ramona O Hopkins, Dale M Needham
RATIONALE: Following acute respiratory distress syndrome (ARDS), joblessness is common but poorly understood. OBJECTIVES: To evaluate the timing of return to work after ARDS, and associated risk factors, lost earnings, and changes in healthcare coverage Methods: Over 12-month longitudinal follow-up, ARDS survivors from 43 U.S. ARDSNet hospitals provided employment and healthcare coverage data via structured telephone interviews. Factors associated with the timing of return to work were assessed using Fine and Gray regression analysis...
October 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28323236/rationale-study-design-and-analysis-plan-of-the-lung-imaging-morphology-for-ventilator-settings-in-acute-respiratory-distress-syndrome-study-live-study-study-protocol-for-a-randomised-controlled-trial
#12
Matthieu Jabaudon, Thomas Godet, Emmanuel Futier, Jean-Étienne Bazin, Vincent Sapin, Laurence Roszyk, Bruno Pereira, Jean-Michel Constantin
Different acute respiratory distress syndrome (ARDS) phenotypes may explain controversial results in clinical trials. Lung-morphology is one of the ARDS-phenotypes and physiological studies suggest different responses in terms of positive-end-expiratory-pressure (PEEP) and recruitment-manoeuvres (RM) according to loss of aeration. To evaluate whether tailored ventilator regimens may impact ARDS outcomes, our group has designed a randomised-clinical-trial of ventilator settings according to lung morphology in moderate-to-severe ARDS (LIVE study)...
March 18, 2017: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/28108621/are-physical-measures-related-to-patient-centred-outcomes-in-ards-survivors
#13
MULTICENTER STUDY
Kitty S Chan, Lisa Aronson Friedman, Victor D Dinglas, Catherine L Hough, Carl Shanholtz, E Wesley Ely, Peter E Morris, Pedro A Mendez-Tellez, James C Jackson, Ramona O Hopkins, Dale M Needham
OBJECTIVE: To inform selection of physical measures for studies of acute respiratory distress syndrome (ARDS) survivors within 12 months of ARDS. METHODS: Secondary analysis of data from 6-month survivors participating in a US multicentre prospective study (ARDSNet Long-Term Outcome Study, N=134) or a multisite prospective study in Baltimore, Maryland, USA (Improving Care of Acute Lung Injury Patients, N=99). Physical measures, assessed at 6-month follow-up, were categorised according to the WHO's International Classification of Disability and Health: body functions and structures, activity and participation...
October 2017: Thorax
https://www.readbyqxmd.com/read/27894328/effect-of-driving-pressure-on-mortality-in-ards-patients-during-lung-protective-mechanical-ventilation%C3%A2-in-two-randomized-controlled-trials
#14
Claude Guérin, Laurent Papazian, Jean Reignier, Louis Ayzac, Anderson Loundou, Jean-Marie Forel
BACKGROUND: Driving pressure (ΔPrs) across the respiratory system is suggested as the strongest predictor of hospital mortality in patients with acute respiratory distress syndrome (ARDS). We wonder whether this result is related to the range of tidal volume (VT). Therefore, we investigated ΔPrs in two trials in which strict lung-protective mechanical ventilation was applied in ARDS. Our working hypothesis was that ΔPrs is a risk factor for mortality just like compliance (Crs) or plateau pressure (Pplat,rs) of the respiratory system...
November 29, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27439509/effects-of-the-open-lung-concept-following-ardsnet-ventilation-in-patients-with-early-ards
#15
Vivian Rotman, Alysson Roncally Carvalho, Rosana Souza Rodrigues, Denise Machado Medeiros, Eduardo Costa Pinto, Fernando Augusto Bozza, Carlos Roberto Ribeiro Carvalho
BACKGROUND: Ventilation with low tidal volume (VT) is well recognized as a protective approach to patients with acute respiratory distress syndrome (ARDS), but the optimal level of positive end-expiratory pressure (PEEP) remains uncertain. This study aims to evaluate two protective ventilatory strategies sequentially applied in patients with early ARDS. METHODS: In this prospective cohort study, fifteen patients were ventilated during 24 h with positive end-expiratory pressure (PEEP) adjusted according to the ARDSnet low-PEEP table (ARDSnet-24 h)...
July 20, 2016: BMC Anesthesiology
https://www.readbyqxmd.com/read/27411451/physiological-correlation-of-airway-pressure-and-transpulmonary-pressure-stress-index-on-respiratory-mechanics-in-acute-respiratory-failure
#16
Chun Pan, Lu Chen, Yun-Hang Zhang, Wei Liu, Rosario Urbino, V Marco Ranieri, Hai-Bo Qiu, Yi Yang
BACKGROUND: Stress index at post-recruitment maneuvers could be a method of positive end-expiratory pressure (PEEP) titration in acute respiratory distress syndrome (ARDS) patients. However, airway pressure (Paw) stress index may not reflect lung mechanics in the patients with high chest wall elastance. This study was to evaluate the Pawstress index on lung mechanics and the correlation between Pawstress index and transpulmonary pressure (PL) stress index in acute respiratory failure (ARF) patients...
July 20, 2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27347561/hyperleptinemia-is-associated-with-impaired-pulmonary-host-defense
#17
Niki D J Ubags, Renee D Stapleton, Juanita H J Vernooy, Elianne Burg, Jenna Bement, Catherine M Hayes, Sebastian Ventrone, Lennart Zabeau, Jan Tavernier, Matthew E Poynter, Polly E Parsons, Anne E Dixon, Matthew J Wargo, Benjamin Littenberg, Emiel F M Wouters, Benjamin T Suratt
We have previously reported that obesity attenuates pulmonary inflammation in both patients with acute respiratory distress syndrome (ARDS) and in mouse models of the disease. We hypothesized that obesity-associated hyperleptinemia, and not body mass per se, drives attenuation of the pulmonary inflammatory response and that this e_ect could also impair the host response to pneumonia. We examined the correlation between circulating leptin levels and risk, severity, and outcome of pneumonia in 2 patient cohorts (NHANES III and ARDSNet-ALVEOLI) and in mouse models of diet-induced obesity and lean hyperleptinemia...
June 2, 2016: JCI Insight
https://www.readbyqxmd.com/read/27318943/mortality-and-pulmonary-mechanics-in-relation-to-respiratory-system-and-transpulmonary-driving-pressures-in-ards
#18
COMPARATIVE STUDY
Elias Baedorf Kassis, Stephen H Loring, Daniel Talmor
PURPOSE: The driving pressure of the respiratory system has been shown to strongly correlate with mortality in a recent large retrospective ARDSnet study. Respiratory system driving pressure [plateau pressure-positive end-expiratory pressure (PEEP)] does not account for variable chest wall compliance. Esophageal manometry can be utilized to determine transpulmonary driving pressure. We have examined the relationships between respiratory system and transpulmonary driving pressure, pulmonary mechanics and 28-day mortality...
August 2016: Intensive Care Medicine
https://www.readbyqxmd.com/read/27110871/open-lung-approach-ventilation-abolishes-the-negative-effects-of-respiratory-rate-in-experimental-lung-injury
#19
J Retamal, J B Borges, A Bruhn, R Feinstein, G Hedenstierna, F Suarez-Sipmann, A Larsson
BACKGROUND: We recently reported that a high respiratory rate was associated with less inflammation than a low respiratory rate, but caused more pulmonary edema in a model of ARDS when an ARDSNet ventilatory strategy was used. We hypothesized that an open lung approach (OLA) strategy would neutralize the independent effects of respiratory rate on lung inflammation and edema. This hypothesis was tested in an ARDS model using two clinically relevant respiratory rates during OLA strategy...
September 2016: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/26963329/evaluating-physical-outcomes-in-acute-respiratory-distress-syndrome-survivors-validity-responsiveness-and-minimal-important-difference-of-4-meter-gait-speed-test
#20
MULTICENTER STUDY
Kitty S Chan, Lisa Aronson Friedman, Victor D Dinglas, Catherine L Hough, Peter E Morris, Pedro A Mendez-Tellez, James C Jackson, E Wesley Ely, Ramona O Hopkins, Dale M Needham
OBJECTIVE: To examine the reliability, validity, responsiveness, and minimal important difference of the 4-m gait speed test in acute respiratory distress syndrome survivors. DESIGN: Secondary analyses of data from two longitudinal follow-up studies of acute respiratory distress syndrome survivors. Test-retest and inter-rater reliability, construct validity (convergent, discriminant, and known group), predictive validity, and responsiveness were examined. The minimal important difference was estimated using anchor- and distribution-based approaches...
May 2016: Critical Care Medicine
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