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Pressure support ventilation

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https://www.readbyqxmd.com/read/28444079/use-of-noninvasive-ventilation-in-severe-acute-respiratory-distress-syndrome-due-to-accidental-chlorine-inhalation-a-case-report
#1
Adriano Medina Matos, Rodrigo Ribeiro de Oliveira, Mauro Martins Lippi, Rodrigo Ryoji Takatani, Wilson de Oliveira
Acute respiratory distress syndrome is characterized by diffuse inflammatory lung injury and is classified as mild, moderate, and severe. Clinically, hypoxemia, bilateral opacities in lung images, and decreased pulmonary compliance are observed. Sepsis is one of the most prevalent causes of this condition (30 - 50%). Among the direct causes of acute respiratory distress syndrome, chlorine inhalation is an uncommon cause, generating mucosal and airway irritation in most cases. We present a case of severe acute respiratory distress syndrome after accidental inhalation of chlorine in a swimming pool, with noninvasive ventilation used as a treatment with good response in this case...
January 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28444078/expiratory-rib-cage-compression-in-mechanically-ventilated-adults-systematic-review-with-meta-analysis
#2
Lúcia Faria Borges, Mateus Sasso Saraiva, Marcos Ariel Sasso Saraiva, Fabrício Edler Macagnan, Adriana Kessler
Objective: To review the literature on the effects of expiratory rib cage compression on ventilatory mechanics, airway clearance, and oxygen and hemodynamic indices in mechanically ventilated adults. Methods: Systematic review with meta-analysis of randomized clinical trials in the databases MEDLINE (via PubMed), EMBASE, Cochrane CENTRAL, PEDro, and LILACS. Studies on adult patients hospitalized in intensive care units and under mechanical ventilation that analyzed the effects of expiratory rib cage compression with respect to a control group (without expiratory rib cage compression) and evaluated the outcomes static and dynamic compliance, sputum volume, systolic blood pressure, diastolic blood pressure, mean arterial pressure, heart rate, peripheral oxygen saturation, and ratio of arterial oxygen partial pressure to fraction of inspired oxygen were included...
January 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28443953/flexible-bronchoscopy-and-mechanical-ventilation-in-managing-mounier-kuhn-syndrome-a-case-report
#3
Aslihan Gürün Kaya, Aydin Çiledağ, Çetin Atasoy, Demet Karnak
CONTEXT: Mounier-Kuhn syndrome is a rare congenital condition with distinct dilatation and diverticulation of the tracheal wall. The symptoms may vary and the treatment usually consists of support. CASE REPORT: The patient was a 60-year-old male with recurrent hospital admission. He was admitted in this case due to dyspnea, cough and sputum production. An arterial blood sample revealed decompensated respiratory acidosis with moderate hypoxemia. A chest computed tomography (CT) scan showed dilatation of the trachea and bronchi, tracheal diverticula and bronchiectasis...
April 20, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28441237/noninvasive-ventilation-in-acute-hypoxemic-nonhypercapnic-respiratory-failure-a-systematic-review-and-meta-analysis
#4
Xiu-Ping Xu, Xin-Chang Zhang, Shu-Ling Hu, Jing-Yuan Xu, Jian-Feng Xie, Song-Qiao Liu, Ling Liu, Ying-Zi Huang, Feng-Mei Guo, Yi Yang, Hai-Bo Qiu
OBJECTIVE: To evaluate the effectiveness of noninvasive ventilation in patients with acute hypoxemic nonhypercapnic respiratory failure unrelated to exacerbation of chronic obstructive pulmonary disease and cardiogenic pulmonary edema. DATA SOURCES: PubMed, EMBASE, Cochrane library, Web of Science, and bibliographies of articles were retrieved inception until June 2016. STUDY SELECTION: Randomized controlled trials comparing application of noninvasive ventilation with standard oxygen therapy in adults with acute hypoxemic nonhypercapnic respiratory failure were included...
April 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28437378/risk-factors-for-pediatric-extubation-failure-the-importance-of-respiratory-muscle-strength
#5
Robinder G Khemani, Tro Sekayan, Justin Hotz, Rutger C Flink, Gerrard F Rafferty, Narayan Iyer, Christopher J L Newth
OBJECTIVE: Respiratory muscle weakness frequently develops during mechanical ventilation, although in children there are limited data about its prevalence and whether it is associated with extubation outcomes. We sought to identify risk factors for pediatric extubation failure, with specific attention to respiratory muscle strength. DESIGN: Secondary analysis of prospectively collected data. SETTING: Tertiary care PICU. PATIENTS: Four hundred nine mechanically ventilated children...
April 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28427745/how-to-approach-the-acute-respiratory-distress-syndrome-prevention-plan-and-prudence
#6
REVIEW
Younsuck Koh
The acute respiratory distress syndrome (ARDS) is typically manifested by refractory hypoxemia with high mortality. A correct diagnosis is the first step to achieve better outcomes. An early intervention to manage modifiable risk factors of ARDS development and the avoidance of aggravating factors that increase disease severity and progression should be carefully addressed. A management plan is necessary at an early stage of ARDS to determine the level of intensive care. It should be carefully decided which therapeutic measures should be performed depending on the patient׳s underlying clinical condition...
May 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28422775/a-contemporary-assessment-of-acute-mechanical-ventilation-in-beijing-description-costs-and-outcomes
#7
Yanping Ye, Bo Zhu, Li Jiang, Qi Jiang, Meiping Wang, Lin Hua, Xiuming Xi
OBJECTIVE: To evaluate the contemporary practice, outcomes, and costs related to mechanical ventilation among ICUs in China. DESIGN: A prospective observational cohort study. SETTING: Fourteen ICUs among 13 hospitals in Beijing, China. PATIENTS: Seven hundred ninety-three patients who received at least 24 hours of mechanical ventilation within the first 48 hours of ICU stay. INTERVENTION: None...
April 18, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28417671/the-use-of-noninvasive-positive-pressure-ventilation-following-pediatric-tonsillectomy
#8
Adva Buzi, Orly M Coblens, Michael MacGillivray, Lisa Elden
Objective To determine the risks of bleeding and other complications in pediatric patients who require noninvasive positive pressure ventilation (PPV) in the immediate posttonsillectomy period. Study Design Case series with chart review. Setting Single tertiary pediatric hospital. Subjects and Methods Sixty-nine patients who had undergone tonsillectomy from July 2007 through December 2013 and required postoperative PPV were reviewed. Data collected included age, sex, medical history, preoperative polysomnogram parameters, length of use and type of noninvasive ventilatory support, and postoperative complications...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28411062/incidence-and-characteristics-of-positive-pressure-ventilation-delivered-to-newborns-in-a-us-tertiary-academic-hospital
#9
Dana E Niles, Courtney Cines, Elena Insley, Elizabeth E Foglia, Okan U Elci, Christiane Skåre, Theresa Olasveengen, Anne Ades, Michael Posencheg, Vinay M Nadkarni, Jo Kramer-Johansen
INTRODUCTION: The Neonatal Resuscitation Program (NRP) guidelines recommend positive pressure ventilation (PPV) in the first 60s of life to support perinatal transition in non-breathing newborns. Our aim was to describe the incidence and characteristics of newborn PPV using real-time observation in the delivery unit. METHODS: Prospective, observational, quality improvement study conducted at a tertiary academic hospital. Deliveries during randomized weekday/evening 8-h shifts were attended by a trained observer...
April 12, 2017: Resuscitation
https://www.readbyqxmd.com/read/28410001/respiratory-pattern-and-tidal-volumes-differ-for-pressure-support-and-volume-assured-pressure-support-in-amyotrophic-lateral-sclerosis
#10
Trevor T Nicholson, Sean B Smith, Teepu Siddique, Robert Sufit, Senda Ajroud-Driss, John M Coleman, Lisa F Wolfe
RATIONALE: Amyotrophic Lateral Sclerosis is a progressive neuromuscular disease resulting in respiratory failure and death. Use of non-invasive ventilation (NIV) improves survival. However, use of Volume-Assured Pressure Support (VAPS) has not been extensively studied in ALS. OBJECTIVES: To explore the clinical utility of a detailed evaluation of device-recorded NIV data in the management of chronic respiratory failure in ALS. To determine if there are differences in efficacy between patients using VAPS or PS...
April 14, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28408814/non-invasive-ventilation-with-intelligent-volume-assured-pressure-support-versus-pressure-controlled-ventilation-effects-on-the-respiratory-event-rate-and-sleep-quality-in-copd-with-chronic-hypercapnia
#11
Georg Nilius, Nato Katamadze, Ulrike Domanski, Maik Schroeder, Karl-Josef Franke
BACKGROUND: COPD patients who develop chronic hypercapnic respiratory failure have a poor prognosis. Treatment of choice, especially the best form of ventilation, is not well known. OBJECTIVES: This study compared the effects of pressure-controlled (spontaneous timed [ST]) non-invasive ventilation (NIV) and NIV with intelligent volume-assured pressure support (IVAPS) in chronic hypercapnic COPD patients regarding the effects on alveolar ventilation, adverse patient/ventilator interactions and sleep quality...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28407823/-application-of-humidified-high-flow-nasal-cannula-in-neonates-with-meconium-aspiration-syndrome-and-pulmonary-hypertension-after-extubation
#12
Xiao-Yan Gao, Lin Feng, Yu-Fen Qiu, Xin-Nian Pan
OBJECTIVE: To investigate the clinical value of humidified high-flow nasal cannula (HHFNC) as a respiratory support after extubation by comparing it with nasal continuous positive airway pressure (NCPAP) in neonates with meconium aspiration syndrome (MAS) and persistent pulmonary hypertension of the newborn (PPHN). METHODS: A total of 78 neonates with MAS and PPHN were randomly administered with HHFNC or NCPAP immediately after extubation. The following indices were compared between the two groups: blood gas parameters, duration of noninvasive ventilation, rate of extubation failure, and incidence of complications, such as nasal damage, abdominal distension, and intraventricular hemorrhage...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28404729/wings-as-impellers-honey-bees-co-opt-flight-system-to-induce-nest-ventilation-and-disperse-pheromones
#13
Jacob M Peters, Nick Gravish, Stacey A Combes
Honey bees (Apis mellifera) are remarkable fliers that regularly carry heavy loads of nectar and pollen, supported by a flight system - the wings, thorax and flight muscles - that one might assume is optimized for aerial locomotion. However, honey bees also use this system to perform other crucial tasks that are unrelated to flight. When ventilating the nest, bees grip the surface of the comb or nest entrance and fan their wings to drive airflow through the nest, and a similar wing-fanning behavior is used to disperse volatile pheromones from the Nasonov gland...
April 12, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28399118/feasibility-and-physiological-effects-of-non-invasive-neurally-adjusted-ventilatory-assist-niv-nava-in-preterm-infants
#14
Christopher Gibu, Phillip Cheng, Raymond J Ward, Benjamin Castro, Gregory P Heldt
BACKGROUND: Non-invasive Neurally Adjusted Ventilator Assist (NIV-NAVA) was introduced to our clinical practice via a pilot and a randomized observational study to assess its safety, feasibility, and short term physiological effects. METHODS: The pilot protocol applied NIV-NAVA to 11 infants on nasal CPAP, high-flow nasal cannula (HFNC), or nasal IMV (NIMV), in multiple 2-4 h periods of NIV-NAVA for comparison. This provided the necessary data to design a randomized, controlled observational cross-over study in 8 additional infants to compare the physiological effects of NIV-NAVA to NIMV during 2-hour steady state conditions...
April 11, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28392947/nuclear-imaging-to-detect-diaphragmatic-perforation-as-a-rare-complication-of-microwave-ablation
#15
Stephanie Cull, Gebran Khneizer, Abhishek Krishna, Razi Muzaffar, Sameer Gadani, Zafar Jamkhana
Acquired diaphragmatic perforation leading to massive hepatic hydrothorax and respiratory failure is a rare complication of microwave ablation (MWA) of hepatocellular carcinoma (HCC). Imaging modalities to detect pleuroperitoneal communication remain poorly described. We report a nuclear imaging technique used to efficiently diagnose and locate diaphragmatic defects. A 57-year-old male with cirrhosis and HCC presented with respiratory distress after undergoing MWA of a HCC lesion. He was admitted to the intensive care unit for noninvasive positive pressure ventilator support...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28388225/effects-of-pressure-support-ventilation-may-be-lost-at-high-exercise-intensities-in-people-with-copd
#16
David Anekwe, Michel de Marchie, Jadranka Spahija
Pressure support ventilation (PSV) may be used for exercise training in chronic obstructive pulmonary disease (COPD), but its acute effect on maximum exercise capacity is not fully known. The objective of this study was to evaluate the effect of 10 cm H2O PSV and a fixed PSV level titrated to patient comfort at rest on maximum exercise workload (WLmax), breathing pattern and metabolic parameters during a symptom-limited incremental bicycle test in individuals with COPD. Eleven individuals with COPD (forced expiratory volume in one second: 49 ± 16%; age: 64 ± 7 years) performed three exercise tests: without a ventilator, with 10 cm H2O of PSV and with a fixed level titrated to comfort at rest, using a SERVO-i ventilator...
April 7, 2017: COPD
https://www.readbyqxmd.com/read/28385926/critical-care-air-transport-team-severe-traumatic-brain-injury-short-term-outcomes-during-flight-for-operation-iraqi-freedom-operation-enduring-freedom
#17
L Renee Boyd, J Borawski, J Lairet, A T Limkakeng
INTRODUCTION: Our understanding of the expertise and equipment required to air transport injured soldiers with severe traumatic brain injuries (TBIs) continue to evolve. METHODS: We conducted a retrospective chart review of characteristics, interventions required and short-term outcomes of patients with severe TBI managed by the US Air Force Critical Care Air Transport Teams (CCATTs) deployed in support of Operation Iraqi Freedom and Operation Enduring Freedom between 1 June 2007 and 31 August 2010...
April 6, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28385915/physiology-in-medicine-understanding-dynamic-alveolar-physiology-to-minimize-ventilator-induced-lung-injury-vili
#18
Gary F Nieman, Joshua Satalin, Michaela Kollisch-Singule, Penny L Andrews, Hani Aiash, Nader M Habashi, Louis A Gatto
The acute respiratory distress syndrome (ARDS) remains a serious clinical problem with the main treatment being supportive in the form of mechanical ventilation. However, mechanical ventilation can be a double edge sword, if set improperly can exacerbate the tissue damage caused by ARDS and is known as ventilator induced lung injury (VILI). In order to minimize VILI we must understand the pathophysiologic mechanisms of tissue damage at the alveolar level. In this Physiology in Medicine paper the dynamic physiology of alveolar inflation and deflation during mechanical ventilation will be reviewed...
April 6, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28377920/automated-weaning-from-mechanical-ventilation-after-off-pump-coronary-artery-bypass-grafting
#19
Evgenia V Fot, Natalia N Izotova, Angelika S Yudina, Aleksei A Smetkin, Vsevolod V Kuzkov, Mikhail Y Kirov
BACKGROUND: The discontinuation of mechanical ventilation after coronary surgery may prolong and significantly increase the load on intensive care unit personnel. We hypothesized that automated mode using INTELLiVENT-ASV can decrease duration of postoperative mechanical ventilation, reduce workload on medical staff, and provide safe ventilation after off-pump coronary artery bypass grafting (OPCAB). The primary endpoint of our study was to assess the duration of postoperative mechanical ventilation during different modes of weaning from respiratory support (RS) after OPCAB...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28371221/prediction-of-right-ventricular-failure-after-ventricular-assist-device-implant-systematic-review-and-meta-analysis-of-observational-studies
#20
REVIEW
Diego Bellavia, Attilio Iacovoni, Cesare Scardulla, Lorenzo Moja, Michele Pilato, Sudhir S Kushwaha, Michele Senni, Francesco Clemenza, Valentina Agnese, Calogero Falletta, Giuseppe Romano, Joseph Maalouf, Michael Dandel
Right ventricular failure (RVF) after left ventricular assist device (LVAD) implantation is associated with increased morbidity and mortality, but the identification of LVAD candidates at risk for RVF remains challenging. We undertook a systematic review and meta-analysis of observational studies of risk factors associated with RVF after LVAD implant. Thirty-six studies published between 1 January 1995 and 30 April 2015, comprising 995 RVF patients out of a pooled final population of 4428 patients, were identified...
March 31, 2017: European Journal of Heart Failure
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