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High frequency ventilation and RDS

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
Manuel Sánchez-Luna, Noelia González-Pacheco, Martín Santos, Ángel Blanco, Cristina Orden, Jaques Belik, Francisco J Tendillo
UNLABELLED: The objective of this study was to analyze the effect of I/E ratio on carbon dioxide (CO2) elimination during high-frequency oscillatory ventilation (HFOV) combined with volume guarantee (VG). Five 2-day-old piglets were studied before and after a bronchoalveolar lavage (BAL). The effect of an I/E ratio of 1:1 and 1:2 with (VG-ON) and without VG (VG-OFF) on PaCO2, as well as delta and mean airway pressures at the airway opening (∆Phf-ao, mPaw-ao) and at the tracheal level (∆Phf-t, mPaw-t) were evaluated at frequencies of 5, 8, 11, and 14 Hz...
October 2016: European Journal of Pediatrics
Anne P De Jaegere, Eline E Deurloo, Rick R van Rijn, Martin Offringa, Anton H van Kaam
UNLABELLED: Lung recruitment during high-frequency ventilation (HFV) in preterm infants with respiratory distress syndrome (RDS) has been associated with an increased risk of lung hyperinflation and air leaks. Individualizing the lung recruitment procedure to the severity of lung disease of each patient might reduce these risks. In this prospective cohort study, we evaluated chest X-ray (CXR) characteristics during individualized oxygenation-guided lung recruitment with HFV in preterm infants with RDS, before and after surfactant therapy...
August 2016: European Journal of Pediatrics
Yahya H Ethawi, Ayman Abou Mehrem, John Minski, Chelsea A Ruth, Peter G Davis
BACKGROUND: Respiratory distress syndrome (RDS) is considered one of the major contributors to severe pulmonary dysfunction and consequent death in preterm infants. Despite widespread improvements in care, including increased utilization of antenatal steroids, use of surfactant replacement therapy, and advances in conventional mechanical ventilation (CMV), chronic lung disease (CLD) occurs in 42% of surviving preterm infants born at less than 28 weeks gestational age (GA). High frequency ventilation (HFV) aims to optimize lung expansion while minimizing tidal volume (Vt) to decrease lung injury...
2016: Cochrane Database of Systematic Reviews
N González-Pacheco, M Sánchez-Luna, C Ramos-Navarro, N Navarro-Patiño, A R-S de la Blanca
OBJECTIVE: High-frequency oscillatory ventilation (HFOV) has been described as a rescue therapy in severe respiratory distress syndrome (RDS) with a potential protective effect in immature lungs. In recent times, HFOV combined with the use of volume guarantee (VG) strategy has demonstrated an independent effect of the frequency on tidal volume to increase carbon-dioxide (CO2) elimination. The aim of this study was to demonstrate the feasibility of using the lowest tidal volume on HFOV+VG to prevent lung damage, maintaining a constant CO2 elimination by increasing the frequency...
April 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Maria Ximena Rojas-Reyes, Paola A Orrego-Rojas
BACKGROUND: Chronic lung disease (CLD) is a major cause of mortality and morbidity in very low birth weight infants despite increased use of antenatal steroids and surfactant therapy. Ventilator injury and oxygen toxicity are thought to be important factors in the pathogenesis of chronic pulmonary disease. Evidence from animal studies and from adult human studies indicates that high-frequency jet ventilation may reduce the severity of lung injury associated with mechanical ventilation...
2015: Cochrane Database of Systematic Reviews
Burcin Iscan, Nuray Duman, Funda Tuzun, Abdullah Kumral, Hasan Ozkan
BACKGROUND: High-frequency oscillatory ventilation (HFOV) with volume guarantee (VG) is a new ventilation mode that allows the clinician to set a mean tidal volume to be delivered. OBJECTIVE: This study aimed to investigate whether HFOV with a VG option may result in constant tidal volume delivery and less fluctuant CO2 levels compared to HFOV alone in premature infants with respiratory distress syndrome (RDS). METHODS: Inborn infants at less than 32 weeks of gestation with RDS requiring invasive mechanical ventilation were eligible...
2015: Neonatology
Sam Bayat, Liisa Porra, Ludovic Broche, Gergely Albu, Iliona Malaspinas, Camille Doras, Satu Strengell, Ferenc Peták, Walid Habre
We assessed the changes in regional lung function following instillation of surfactant in a model of respiratory distress syndrome (RDS) induced by whole lung lavage and mechanical ventilation in eight anaesthetized, paralyzed, and mechanically ventilated New Zealand White rabbits. Regional specific ventilation (sV̇) was measured by K-edge subtraction synchrotron computed tomography during xenon washin. Lung regions were classified as poorly aerated (PA), normally aerated (NA), or hyperinflated (HI) based on regional density...
August 1, 2015: Journal of Applied Physiology
Changsong Wang, Libo Guo, Chunjie Chi, Xiaoyang Wang, Lei Guo, Weiwei Wang, Nana Zhao, Yibo Wang, Zhaodi Zhang, Enyou Li
INTRODUCTION: The effects of different mechanical ventilation (MV) modes on mortality outcome in infants with respiratory distress syndrome (RDS) are not well known. METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL) in the Cochrane Library, EMBASE, MEDLINE, CINAHL, and Web of Science for studies published through April 2014 that assessed mortality in infants with RDS given different MV modes. We assessed studies for eligibility, extracted data, and subsequently pooled the data...
2015: Critical Care: the Official Journal of the Critical Care Forum
Gabrielle C Musk, Graeme R Polglase, J Bert Bunnell, Ilias Nitsos, David Tingay, J Jane Pillow
PURPOSE: Synchronised intermittent mandatory ventilation (SIMV) and high-frequency jet ventilation (HFJV) are accepted ventilatory strategies for treatment of respiratory distress syndrome (RDS) in preterm babies. We hypothesised that SIMV and HFJV both facilitate adequate oxygenation and ventilation but that HFJV is associated with less lung injury. RESULTS: There were no differences in arterial oxygenation or partial pressure of carbon dioxide despite lower mean airway pressure during SIMV for most of the study...
December 2015: Pediatric Pulmonology
Filip Cools, Martin Offringa, Lisa M Askie
BACKGROUND: Respiratory failure due to lung immaturity is a major cause of mortality in preterm infants. Although the use of intermittent positive pressure ventilation (IPPV) in neonates with respiratory failure saves lives, its use is associated with lung injury and chronic lung disease. A newer form of ventilation called high frequency oscillatory ventilation has been shown in experimental studies to result in less lung injury. OBJECTIVES: The objective of this review was to determine the effect of the elective use of high frequency oscillatory ventilation (HFOV) as compared to conventional ventilation (CV) on the incidence of chronic lung disease (CLD), mortality and other complications associated with prematurity and assisted ventilation in preterm infants who were mechanically ventilated for respiratory distress syndrome (RDS)...
2015: Cochrane Database of Systematic Reviews
Huiqing Sun, Yan Zhou, Hong Xiong, Wengqing Kang, Bangli Xu, Dapeng Liu, Xiaoli Zhang, Huixia Li, Chongchen Zhou, Yinghui Zhang, Mingjin Zhou, Qingping Meng
OBJECTIVE: To evaluate the prognosis of very preterm infants with severe respiratory distress syndrome (RDS) receiving mechanical ventilation. METHODS: A total of 288 preterm infants mechanically ventilated for severe RDS and completed follow-up till 18 months of corrected age comprised these study subjects. The associations of prenatal and postnatal factors, mode and duration of conventional mechanical ventilation (CMV), medication and treatment, and complications with cerebral palsy or mental developmental index (MDI) < 70 at 18 months of age were analyzed...
April 2015: Lung
C Patry, S Hien, S Demirakca, J Reinhard, M Majorek, J Brade, T Schaible
BACKGROUND: Severe respiratory failure of the newborn requires adjunctive therapies as application of surfactant, inhalation of nitric oxide (iNO), high frequency oscillatory ventilation (HFOV), or extracorporeal membrane oxygenation (ECMO). We designed this study to analyze the the usage and effectiveness of adjunctive therapies and the mortality of severe respiratory failure. PATIENTS AND METHODS: The survey in Germany was done in collaboration with the "Erhebungseinheit für seltene pädiatrische Erkrankungen" (ESPED)...
January 2015: Klinische Pädiatrie
Amr I El Shahed, Peter A Dargaville, Arne Ohlsson, Roger Soll
BACKGROUND: Surfactant replacement therapy has been proven beneficial in the prevention and treatment of neonatal respiratory distress syndrome (RDS). The deficiency of surfactant or surfactant dysfunction may contribute to respiratory failure in a broader group of disorders, including meconium aspiration syndrome (MAS). OBJECTIVES: To evaluate the effect of surfactant administration in the treatment of late preterm and term infants with meconium aspiration syndrome...
2014: Cochrane Database of Systematic Reviews
Lilian S R Sadeck, Cléa R Leone, Renato S Procianoy, Ruth Guinsburg, Sergio T M Marba, Francisco E Martinez, Ligia M S S Rugolo, M Elisabeth L Moreira, Renato M Fiori, Ligia L Ferrari, Jucille A Menezes, Paulyne S Venzon, Vânia Q S Abdallah, José Luiz M B Duarte, Marynea V Nunes, Leni M Anchieta, Navantino Alves Filho
OBJECTIVE: To analyze the effects of treatment approach on the outcomes of newborns (birth weight [BW] < 1,000 g) with patent ductus arteriosus (PDA), from the Brazilian Neonatal Research Network (BNRN) on: death, bronchopulmonary dysplasia (BPD), severe intraventricular hemorrhage (IVH III/IV), retinopathy of prematurity requiring surgical (ROPsur), necrotizing enterocolitis requiring surgery (NECsur), and death/BPD. METHODS: This was a multicentric, cohort study, retrospective data collection, including newborns (BW < 1000 g) with gestational age (GA) < 33 weeks and echocardiographic diagnosis of PDA, from 16 neonatal units of the BNRN from January 1, 2010 to Dec 31, 2011...
November 2014: Jornal de Pediatria
Seyyed-Abolfazl Afjeh, Mohammad-Kazem Sabzehei, Minoo Fallahi, Fatemeh Esmaili
OBJECTIVE: Very low birth weight (VLBW) infants are at high risk for morbidity and mortality. This article determines the frequency of disease, rate od survival, complications and risk factors for morbidity and mortality in VLBW neonates admitted to a level III neonatal intensive care unit (NICU) at Mahdieh Hospital in Tehran. METHODS: This cross-sectional retrospective study was performed from April 2007 to March 2010 on all hospitalized VLBW neonates. Relevant pre- and peri-natal data up to the time of discharge from the hospital or death, including complications during the course of hospitalization, were collected from the case notes, documented on a pre-designed questionnaire and analyzed...
October 2013: Iranian Journal of Pediatrics
T Pramatarova, B Marinov, B Slancheva, N Yarakova, A Popivanova, E Doycheva, S Hitrova, P Radulova, Z Emilova
AIM: The main aim of the trial is to determine the frequency of respiratory distress syndrome / RDS/ and disorders of coagulation in infants of mothers with thrombophilia. MATERIALS AND METHODS: In 51 newborns of mothers with thrombophilia were evaluated the presence of respiratory distress and maternal-fetal infection /MFI/. The children were divided in two groups: Group I--16 newborns of mothers with thrombophilia and Group II--15 healthy children. We analyzed Hb, Ht, Er, Thr, prothrombin index /INR/, activated partial thromboplastin time /aPTT/ in both groups...
2013: Akusherstvo i Ginekologii︠a︡
Giovanni Vento, Milena Tana, Chiara Tirone, Claudia Aurilia, Alessandra Lio, Sarah Perelli, Cinzia Ricci, Costantino Romagnoli
INTRODUCTION: The immediate effects of exogenous surfactant on lung volume and hemodynamics in preterm infants have been poorly studied. MATERIALS AND METHODS: Lung volume, SpO2, perfusion index, regional SO2, transcutaneous partial pressure of CO2 were simultaneously monitored and recorded ten minutes after surfactant tracheal instillation in elective HFOV ventilated preterm infants with RDS. OUTCOMES: Despite a reduction in gas exchange during the first 5 minutes post surfactant instillation, most likely dependent on airway obstruction, lung volume increases rapidly in HFOV preterm infants with RDS...
2013: Acta Bio-medica: Atenei Parmensis
Gianluca Lista, Francesca Castoldi, Silvia Bianchi, Enrica Lupo, Francesco Cavigioli, Andrea Farolfi, Chiara Bersanini, Emiliana Ferrerio
OBJECTIVE: To investigate respiratory health and lung function in school-aged children without broncho-pulmonary dysplasia (BPD), who were very low birth weight (VLBWi) and randomized at birth to high frequency oscillatory ventilation (HFOV) or volume guarantee (VG) ventilation for severe respiratory distress syndrome (RDS). METHODS: In this observational study, 7-y-old ex-preterm infants with severe RDS, randomly assigned at birth to receive assisted/control ventilation + VG (Vt = 5 mL/kg, PEEP = 5 cmH2O)(VG group; mean GA 27 ± 2 wk; mean BW 1086 ± 158 g) or HFOV (HFOV group; mean GA: 27 ± 2; mean BW: 1090 ± 139 g) (both groups were ventilated with Drager Babylog 8000 plus) were recalled...
March 2014: Indian Journal of Pediatrics
Huiqing Sun, Rui Cheng, Wengqing Kang, Hong Xiong, Chongchen Zhou, Yinghui Zhang, Xiaoyang Wang, Changlian Zhu
BACKGROUND: Mechanical ventilation and surfactants are the standard treatment of preterm respiratory distress syndrome (RDS). The effects of the primary ventilation model on bronchopulmonary dysplasia (BPD) and long-term neurodevelopment outcomes are controversial. The purpose of this study was to compare the efficacy and safety of high-frequency oscillatory ventilation (HFOV) and synchronized intermittent mandatory ventilation plus pressure support ventilation (SIMV-PSV) in preterm infants with severe RDS...
February 2014: Respiratory Care
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