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High frequency oscillatory ventilation

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https://www.readbyqxmd.com/read/28212162/volume-and-pressure-delivery-during-pediatric-high-frequency-oscillatory-ventilation
#1
Ronald Wong, Timothy Deakers, Justin Hotz, Robinder G Khemani, Patrick A Ross, Christopher J Newth
OBJECTIVE: Identify variables independently associated with delivered tidal volume (VT) and measured mean airway pressure during high-frequency oscillatory ventilation across the range of pediatric endotracheal tube sizes. DESIGN: In vitro study. SETTING: Research laboratory. INTERVENTIONS: An in vitro bench model of the intubated pediatric respiratory system during high-frequency oscillatory ventilation was used to obtain delivered VT and mean airway pressure (in the distal lung) for various endotracheal tube sizes...
February 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28157820/high-frequency-oscillatory-ventilation-still-a-role
#2
Jensen Ng, Niall D Ferguson
PURPOSE OF REVIEW: In light of emerging data from clinical trials, the place of high-frequency oscillatory ventilation (HFOV) in the management of acute respiratory distress syndrome (ARDS) is uncertain. This review provides an overview of these new clinical data and also explores new areas of investigation for HFOV in adults. RECENT FINDINGS: While prior meta-analyses suggested benefit for HFOV, updated systematic reviews published this year, which include two large recent clinical trials, now show no statistically significant impact of HFOV on mortality in adults with ARDS...
February 2, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28096571/acute-respiratory-failure-and-mechanical-ventilation-in-pregnant-patient-a-narrative-review-of-literature
#3
REVIEW
Pradeep Kumar Bhatia, Ghansham Biyani, Sadik Mohammed, Priyanka Sethi, Pooja Bihani
Physiological changes of pregnancy imposes higher risk of acute respiratory failure (ARF) with even a slight insult and remains an important cause of maternal and fetal morbidity and mortality. Although pregnant women have different respiratory physiology and different causes of ARF, guidelines specific to ventilatory settings, goals of oxygenation and weaning process could not be framed due to lack of large-scale randomized controlled trials. During the 2009 H1N1 pandemic, pregnant women had higher morbidity and mortality compared to nonpregnant women...
October 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/27923944/membrane-oxygenator-use-with-biventricular-assist-device-facilitation-of-support-and-lung-recovery
#4
Kristen Nelson-McMillan, William J Ravekes, William R Thompson, Kristen M Brown, Larry Wolff, Rajeev S Wadia, LeAnn M McNamara, Donald H Shaffner, Ivor D Berkowitz, Marshall L Jacobs, Luca A Vricella
We present the use of a low-resistance membrane oxygenator (Quadrox D, Maquet) in series with a pulsatile right ventricular assist device (Berlin Heart EXCOR, Berlin Heart) in a patient with biventricular support who required high-frequency oscillatory ventilation (HFOV), due to refractory acute respiratory distress syndrome associated with Cytomegalovirus pneumonia. The high mean airway pressure associated with the use of HFOV resulted in a significant negative impact on left ventricular assist device (LVAD) filling that led to a combined respiratory and metabolic acidosis and the need for vasopressor support...
December 6, 2016: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/27898438/rescue-therapies-for-acute-respiratory-distress-syndrome-what-to-try-first
#5
Onnen Moerer, Tommaso Tonetti, Michael Quintel
PURPOSE OF REVIEW: Severe respiratory failure due to the acute respiratory distress syndrome (ARDS) might require rescue therapy measures beyond even extended standard care to ensure adequate oxygenation and survival. This review provides a summary and assessment of treatment options that can be beneficial when the standard approach fails. RECENT FINDINGS: 'Life-threatening' conditions or refractory hypoxemia during mechanical ventilation are more a matter of personal rating than an objective diagnosis based on defined and/or unanimously agreed thresholds that would mandate the use of rescue therapies...
February 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27882025/no-inhalation-in-combination-with-high-frequency-ventilation-treatment-in-the-treatment-of-neonatal-severe-respiratory-failure
#6
Xiaohui Guo, Yanfeng Sun, Jing Miao, Min Cui, Jiangbo Wang, Shuzhen Han
OBJECTIVE: To discuss over NO inhalation (iNO) in combination with high frequency ventilation treatment in relieving clinical symptoms and respiratory state of patients with neonatal severe respiratory failure. METHODS: Ninety newborns with severe respiratory failure who received treatment in our hospital were selected for this study. They were divided into research group and control group according to visiting time. Patients in the control group were given conventional treatment in combination with high-frequency oscillatory ventilation, while patients in the research group were given iNO for treatment additionally besides the treatment the same as the control group...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27874934/effect-of-nitric-oxide-inhalation-for-the-treatment-of-neonatal-pulmonary-hypertension
#7
H-W Wu, Z-G Li, G Liu, G-Z Lu, H-Y Liang
OBJECTIVE: To investigate the effect of nitric oxide (NO) inhalation for the treatment of neonatal pulmonary hypertension. PATIENTS AND METHODS: Eighty-six patients with neonatal pulmonary hypertension who were treated for the first time Xuzhou Children's Hospital from January 2013 to January 2016 were selected and randomly divided into the observation group and control group, with 43 cases each. Patients in the control group were treated with high-frequency oscillatory ventilation, while those in the observation group were treated with high-frequency oscillatory ventilation combined with inhalational NO therapy...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27851594/1960-a-case-of-bell-palsy-associated-with-high-frequency-oscillatory-ventilation-in-a-pediatric-patient
#8
Brisa Gulari, Adebayo Adeyinka, Keneisha Bailey, Louisdon Pierre
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27842745/managing-acute-lung-injury
#9
REVIEW
Gregory A Schmidt
The foundation of mechanical ventilation for acute respiratory distress syndrome involves limiting lung overdistention by using small tidal volumes or transpulmonary pressures. Potential for additional lung recruitment with higher positive end-expiratory pressure (PEEP) should be assessed. When stress index indicates tidal recruitment-derecruitment, PEEP is increased to higher values. Alternatively, a high PEEP table is used in all patients. When these conventional approaches are insufficient to sustain acceptable gas exchange, rescue is attempted using extracorporeal therapies, airway pressure-release ventilation, inhaled vasodilators, or high-frequency oscillatory ventilation...
December 2016: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/27842540/the-impact-of-low-frequency-low-force-cyclic-stretching-of-human-bronchi-on-airway-responsiveness
#10
Morgan Le Guen, Stanislas Grassin-Delyle, Emmanuel Naline, Amparo Buenestado, Marion Brollo, Elisabeth Longchampt, Philippe Kleinmann, Philippe Devillier, Christophe Faisy
BACKGROUND: In vivo, the airways are constantly subjected to oscillatory strain (due to tidal breathing during spontaneous respiration) and (in the event of mechanical ventilation) positive pressure. This exposure is especially problematic for the cartilage-free bronchial tree. The effects of cyclic stretching (other than high-force stretching) have not been extensively characterized. Hence, the objective of the present study was to investigate the functional and transcriptional response of human bronchi to repetitive mechanical stress caused by low-frequency, low-force cyclic stretching...
November 14, 2016: Respiratory Research
https://www.readbyqxmd.com/read/27834669/a-translational-cellular-model-to-study-the-impact-of-high-frequency-oscillatory-ventilation-on-human-epithelial-cell-function
#11
Anja Mowes, Beatriz E de Jongh, Timothy Cox, Yan Zhu, Thomas H Shaffer
: High-frequency oscillatory ventilation (HFOV) has been proposed as gentle ventilation strategy to prevent lung injury in the preterm infant. High-frequency jet ventilation leads to dimensional and mechanical airway deformation in animal airway models, which is consistent with translational studies demonstrating the impact of oxygen and biophysical stresses on normal airway cellular function. There is an overall paucity of clinical and cellular data on the impact of HFOV on the conducting airway...
January 1, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27817768/-clinical-effect-of-high-frequency-oscillatory-ventilation-combined-with-pulmonary-surfactant-in-treatment-of-neonatal-severe-meconium-aspiration-syndrome-complicated-by-pulmonary-hemorrhage
#12
Jing Huang, Xin-Zhu Lin, Zhi Zheng
OBJECTIVE: To study the clinical effect and safety of high-frequency oscillatory ventilation (HFOV) combined with pulmonary surfactant (PS) in the treatment of neonatal severe meconium aspiration syndrome (MAS) complicated by neonatal pulmonary hemorrhage (NPH). METHODS: A total of 48 children with severe MAS complicated by NPH were enrolled, and a retrospective analysis was performed for the clinical effects of HFOV+PS (trial group, 25 children) and HFOV alone (control group, 23 children)...
November 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27817767/-clinical-effects-of-different-ways-of-mechanical-ventilation-combined-with-pulmonary-surfactant-in-treatment-of-acute-lung-injury-acute-respiratory-distress-syndrome-in-neonates-a-comparative-analysis
#13
Ming Chang, Hong-Yan Lu, Hong Xiang, Hou-Ping Lan
OBJECTIVE: To compare the therapeutic effects of high-frequency oscillatory ventilation+pulmonary surfactant (HFOV+PS), conventional mechanical ventilation+pulmonary surfactant (CMV+PS), and conventional mechanical ventilation (CMV) alone for acute lung injury/acute respiratory distress syndrome (ALI/ARDS) in neonates. METHODS: A total of 136 neonates with ALI/ARDS were enrolled, among whom 73 had ALI and 63 had ARDS. They were divided into HFOV+PS group (n=45), CMV+PS group (n=53), and CMV group (n=38)...
November 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27809884/diffuse-persistent-pulmonary-interstitial-emphysema-secondary-to-mechanical-ventilation-in-bronchiolitis
#14
Blanca Toledo Del Castillo, Isabel Gordillo, Elena Rubio García, Sarah Nicole Fernández Lafever, Rafael Gonzalez Cortés, Javier Urbano Villaescusa, Jorge López González, María José Solana García, Jesús López-Herce Cid
BACKGROUND: Persistent interstitial pulmonary emphysema (PIE) is a rare disease and it is even more uncommon in full-term infants, like our patient. When conservative management is not successful, surgical treatment should be considered. In our case, ECMO support was iniciated to keep the patient ventilated in order to allow the lung to heal using lung protection strategies. CASE PRESENTATION: We report an 18-day-old male infant with bronchiolitis that required mechanical ventilation with high positive airway pressures due to severe respiratory insufficiency...
November 3, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27799777/high-frequency-oscillatory-ventilation-is-an-effective-treatment-for-severe-pediatric-acute-respiratory-distress-syndrome-with-refractory-hypoxemia
#15
Yu-Xiong Guo, Zhao-Ni Wang, Ya-Ting Li, Li Pan, Li-Fen Yang, Yan Hu, Yue-Yu Sun, Liang-Ming Cai, Zhuang-Gui Chen
BACKGROUND AND PURPOSE: Early or primary application of high-frequency oscillatory ventilation (HFOV) has been recently suggested not to offer benefit to patients with acute respiratory distress syndrome (ARDS). However, the rescue effects of HFOV on severe pediatric acute respiratory distress syndrome (PARDS) with hypoxemia refractory to conventional mechanical ventilation (CMV) remain unclear. This study aimed to determine whether severe PARDS children would benefit from HFOV when oxygenation deteriorated on CMV and to identify any potential risk factors related to mortality...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27790273/clinical-practice-guideline-of-acute-respiratory-distress-syndrome
#16
REVIEW
Young-Jae Cho, Jae Young Moon, Ein-Soon Shin, Je Hyeong Kim, Hoon Jung, So Young Park, Ho Cheol Kim, Yun Su Sim, Chin Kook Rhee, Jaemin Lim, Seok Jeong Lee, Won-Yeon Lee, Hyun Jeong Lee, Sang Hyun Kwak, Eun Kyeong Kang, Kyung Soo Chung, Won-Il Choi
There is no well-stated practical guideline for mechanically ventilated patients with or without acute respiratory distress syndrome (ARDS). We generate strong (1) and weak (2) grade of recommendations based on high (A), moderate (B) and low (C) grade in the quality of evidence. In patients with ARDS, we recommend low tidal volume ventilation (1A) and prone position if it is not contraindicated (1B) to reduce their mortality. However, we did not support high-frequency oscillatory ventilation (1B) and inhaled nitric oxide (1A) as a standard treatment...
October 2016: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27751211/-clinical-features-of-respiratory-distress-syndrome-in-neonates-of-different-gestational-ages
#17
Mao-Jun Li, Qing Wu, Wei Shi, Qian Yang, Bin-Zhi Tang, Chang-Hui Chen
OBJECTIVE: To study clinical features of respiratory distress syndrome (RDS) in neonates of different gestational ages (GA). METHODS: According to GA, 133 neonates with RDS were classified into GA <34 weeks group (n=66), GA 34-36 weeks group (late preterm neonates; n=31), and GA ≥37 weeks group (full-term neonates; n=36). The mothers' medical history during pregnancy and the condition of the neonates at birth were retrospectively analyzed, and the clinical data were compared between groups...
October 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27750191/interhospital-transfer-of-children-in-respiratory-failure-a-clinician-interview-qualitative-study
#18
Folafoluwa O Odetola, Renee R Anspach, Yong Y Han, Sarah J Clark
PURPOSE: To investigate the decision making underlying transfer of children with respiratory failure from level II to level I pediatric intensive care unit care. METHODS: Interviews with 19 eligible level II pediatric intensive care unit physicians about a hypothetical scenario of a 2-year-old girl in respiratory failure: RESULTS: At baseline, indices critical to management were as follows: OI (53%), partial pressure of oxygen in arterial blood (Pao2)/Fio2 (32%), and inflation pressure (16%)...
February 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/27745747/relationship-between-mean-airways-pressure-lung-mechanics-and-right-ventricular-output-during-high-frequency-oscillatory-ventilation-in-infants
#19
Emanuela Zannin, Daniela Doni, Maria Luisa Ventura, Tiziana Fedeli, Camilla Rigotti, Raffaele L Dellacá, Paolo E Tagliabue
OBJECTIVE: To characterize changes in lung mechanics and right ventricular output (RVO) during incremental/decremental continuous distending pressure (CDP) maneuvers in newborn infants receiving high-frequency oscillatory ventilation, with the aim of evaluating when open lung maneuvers are needed and whether they are beneficial. STUDY DESIGN: Thirteen infants on high-frequency oscillatory ventilation were studied with a median (IQR) gestational age of 26(1) (25(3)-29(1)) weeks and median (IQR) body weight of 810 (600-1020) g...
January 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/27660253/high-frequency-oscillatory-ventilation-for-adult-ards-is-this-the-end-of-the-road
#20
Mohan Gurjar, Arvind K Baronia
No abstract text is available yet for this article.
2016: Anaesthesiology Intensive Therapy
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