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https://www.readbyqxmd.com/read/28090292/a-new-look-at-bronchopulmonary-dysplasia-postcapillary-pathophysiology-and-cardiac-dysfunction
#1
Arvind Sehgal, Andra Malikiwi, Eldho Paul, Kenneth Tan, Samuel Menahem
Pulmonary hypertension (PH) and right ventricular function are the focus of cardiovascular effects of bronchopulmonary dysplasia (BPD). We assessed cardiac indexes reflecting systemic afterload and pulmonary venous back pressure as pathophysiologic factors. Cardiac parameters were measured by conventional echocardiography in 20 preterm infants with severe BPD and compared with those of 10 preterm infants with no BPD and 20 healthy term infants. In infants with severe BPD, PH was noted in 5 (25%) by tricuspid regurgitation Doppler jet ≥2...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28090255/clinical-utility-of-echocardiography-for-the-diagnosis-and-prognosis-in-children-with-bronchopulmonary-dsyplasia
#2
Young Earl Choi, Hwa Jin Cho, Eun Song Song, In Seok Jeong, Namsik Yoon, Young Youn Choi, Jae Sook Ma, Young Kuk Cho
BACKGROUND: Bronchopulmonary dysplasia (BPD) may result in chronic pulmonary artery hypertension and right ventricular (RV) dysfunction. Various echocardiographic assessments of RV dysfunction have been used to determine whether echocardiographic measurements of premature infants with BPD could provide sensitive measures of RV function that correlates with BPD severity. METHODS: Twenty-eight control subjects without BPD (non BPD group), 28 patients with mild BPD, 11 patients with moderate BPD, and six patients with severe BPD underwent echocardiograms with standard measurement such as ejection fraction by M-mode, tricuspid regurgitation pressure gradient, myocardial performance index (MPI) derived from pulse Doppler, and tissue Doppler imaging (TDI) measurements...
December 2016: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28090250/early-detection-for-right-ventricular-dysfunction-in-bronchopulmonary-dysplasia-without-pulmonary-hypertension
#3
EDITORIAL
Jung-Woo Son
No abstract text is available yet for this article.
December 2016: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28087725/neurodevelopmental-outcomes-of-extremely-low-birthweight-infants-randomised-to-different-pco2-targets-the-phelbi-follow-up-study
#4
Ulrich H Thome, Orsolya Genzel-Boroviczeny, Bettina Bohnhorst, Manuel Schmid, Hans Fuchs, Oliver Rohde, Stefan Avenarius, Hans-Georg Topf, Andrea Zimmermann, Dirk Faas, Katharina Timme, Barbara Kleinlein, Horst Buxmann, Wilfried Schenk, Hugo Segerer, Norbert Teig, Annett Bläser, Roland Hentschel, Matthias Heckmann, Rolf Schlösser, Jochen Peters, Rainer Rossi, Wolfgang Rascher, Ralf Böttger, Jürgen Seidenberg, Gesine Hansen, Maria Zernickel, Harald Bode, Jens Dreyhaupt, Rainer Muche, Helmut D Hummler
BACKGROUND: Tolerating higher partial pressures of carbon dioxide (PCO2) in mechanically ventilated extremely low birthweight infants to reduce ventilator-induced lung injury may have long-term neurodevelopmental side effects. This study analyses the results of neurodevelopmental follow-up of infants enrolled in a randomised multicentre trial. METHODS: Infants (n=359) between 400 and 1000 g birth weight and 23 0/7-28 6/7 weeks gestational age who required endotracheal intubation and mechanical ventilation within 24 hours of birth were randomly assigned to high PCO2 or to a control group with mildly elevated PCO2 targets...
January 13, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28081574/gstp1-and-cyp2b6-genetic-polymorphisms-and-the-risk-of-bronchopulmonary-dysplasia-in-preterm-neonates
#5
Sophia Zachaki, Aggeliki Daraki, Elena Polycarpou, Chrysa Stavropoulou, Kalliopi N Manola, Stavroula Gavrili
Objectives Antioxidant response plays a key role in bronchopulmonary dysplasia (BPD) pathogenesis. The glutathione-S-tranferases pi 1 (GSTP1) and cytochrome P450 (CYP) detoxification enzymes protect cells from oxidative damage. The aim of the study was to investigate whether the A(313)G GSTP1 and G(516)T CYP2B6 inactivating polymorphisms could be associated with BPD susceptibility. Study Design To test this hypothesis, we conducted a case-control study enrolled 138 premature neonates ≤32 weeks of gestational age; of the 138, 46 developed BPD and 92 did not develop BPD...
January 12, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28079864/bronchopulmonary-dysplasia-and-pulmonary-hypertension-a-meta-analysis
#6
G Al-Ghanem, P Shah, S Thomas, L Banfield, S El Helou, C Fusch, A Mukerji
OBJECTIVE: Pulmonary hypertension (PH) is a complication of bronchopulmonary dysplasia (BPD) but the true impact of PH in patients with BPD remains unclear. We sought to systematically review and meta-analyze incidence of PH in BPD and compare clinical outcomes of BPD patients with PH to those without PH in preterm infants. STUDY DESIGN: Medline, Embase, PsychINFO and CINAHL were searched from January 2000 through December 2015. Cohort, case-control and randomized studies were included...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28068928/newly-recognized-cerebral-infarctions-on-postmortem-imaging-a-report-of-three-cases-with-systemic-infectious-disease
#7
Sakon Noriki, Kazuyuki Kinoshita, Kunihiro Inai, Toyohiko Sakai, Hirohiko Kimura, Takahiro Yamauchi, Masayuki Iwano, Hironobu Naiki
BACKGROUND: Postmortem imaging (PMI) refers to the imaging of cadavers by computed tomography (CT) and/or magnetic resonance imaging (MRI). Three cases of cerebral infarctions that were not found during life but were newly recognized on PMI and were associated with severe systemic infections are presented. CASE PRESENTATIONS: An 81-year-old woman with a pacemaker and slightly impaired liver function presented with fever. Imaging suggested interstitial pneumonia and an iliopsoas abscess, and blood tests showed liver dysfunction and disseminated intravascular coagulation (DIC)...
January 10, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28067830/bronchopulmonary-dysplasia-chronic-lung-disease-of-infancy-and-long-term-pulmonary-outcomes
#8
REVIEW
Lauren M Davidson, Sara K Berkelhamer
Bronchopulmonary dysplasia (BPD) is a chronic lung disease most commonly seen in premature infants who required mechanical ventilation and oxygen therapy for acute respiratory distress. While advances in neonatal care have resulted in improved survival rates of premature infants, limited progress has been made in reducing rates of BPD. Lack of progress may in part be attributed to the limited therapeutic options available for prevention and treatment of BPD. Several lung-protective strategies have been shown to reduce risks, including use of non-invasive support, as well as early extubation and volume ventilation when intubation is required...
January 6, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28067624/modelling-bronchopulmonary-dysplasia-in-mice-how-much-oxygen-is-enough
#9
Claudio Nardiello, Ivana Mižíková, Diogo M Silva, Jordi Ruiz-Camp, Konstantin Mayer, István Vadász, Susanne Herold, Werner Seeger, Rory E Morty
Progress in developing new therapies for bronchopulmonary dysplasia (BPD) is sometimes complicated by the lack of a standardised animal model. Our objective was to develop a robust hyperoxia‑based mouse model of BPD that recapitulated the pathological perturbations to lung structure noted in infants with BPD. Newborn mouse pups were exposed to a varying fraction of oxygen in the inspired air (FiO2) and a varying window of hyperoxia exposure, after which lung structure was assessed by design‑based stereology with systemic uniform random sampling...
December 14, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28063223/neurally-adjusted-ventilatory-assist-for-infants-under-prolonged-ventilation
#10
Juyoung Lee, Han-Suk Kim, Young Hwa Jung, Chang Won Choi, Yong Hoon Jun
BACKGROUND: Severe bronchopulmonary dysplasia (BPD) often leads to prolonged mechanical ventilation lasting several months. Cyanotic episodes frequently occur in these patients, which necessitate long-term sedation and/or intermittent muscle paralysis. Neurally adjusted ventilatory assist (NAVA) might provide precisely the amount of support that these patients need without sedation. METHODS: We reviewed the medical records of preterm infants who underwent a tracheostomy and required mechanical ventilation for more than 6 months during a period of 6 years...
January 7, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28062913/understanding-the-developmental-pathways-pulmonary-fibroblasts-may-follow-during-alveolar-regeneration
#11
REVIEW
Stephen McGowan
Although pulmonary alveolar interstitial fibroblasts are less specialized than their epithelial and endothelial neighbors, they play essential roles during development and in response to lung injury. At birth, they must adapt to the sudden mechanical changes imposed by the onset of respiration and to a higher ambient oxygen concentration. In diseases such as bronchopulmonary dysplasia and interstitial fibrosis, their adaptive responses are overwhelmed leading to compromised gas-exchange function. Thus, although fibroblasts do not directly participate in gas-exchange, they are essential for creating and maintaining an optimal environment at the alveolar epithelial-endothelial interface...
January 6, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28061018/bronchopulmonary-pharmacokinetics-of-r-salbutamol-and-s-salbutamol-enantiomers-in-pulmonary-epithelial-lining-fluid-and-lung-tissue-of-horses
#12
Glenn A Jacobson, Sharanne Raidal, Kate Robson, Christian K Narkowicz, David S Nichols, E Haydn Walters
AIMS: Salbutamol is usually administered as a racemic mixture but little is known about the enantioselectivity of salbutamol pharmacokinetics in the lung. This study was designed to investigate enantiomer concentrations in lung tissue after inhaled dosing. METHODS: Horses (n = 12) received racemic (rac-) salbutamol 1000 microgram via inhalation. Enantioselective UPLC-MS/MS was used to determine salbutamol concentrations in pulmonary epithelial lining fluid (PELF) sampled 2, 5, 10 and 15 min after administration, in central lung (endoscopic bronchial biopsy) and peripheral lung (percutaneous pulmonary biopsy) tissues (at 20 and 25 minutes respectively), and in plasma samples...
January 6, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28056830/development-of-aspergillosis-in-a-cohort-of-non-neutropenic-non-transplant-patients-colonised-by-aspergillus-spp
#13
José Barberán, Francisco-Javier García-Pérez, Victoria Villena, Alberto Fernández-Villar, Eduardo Malmierca, Cristina Salas, María-José Giménez, Juan-José Granizo, Lorenzo Aguilar
BACKGROUND: A previous study explored factors discriminating colonization and true infection among non-transplant, non-neutropenic patients with repeated Aspergillus spp. isolation from lower respiratory samples. The present study explored the evolution of patients with Aspergillus colonization in that study to determine the percentage of cases progressing to aspergillosis and time to development. METHODS: Clinical records were retrospectively reviewed (for each patient from his end date in the past study) and data from all respiratory processes suffered by patients up to April 2015 were recorded...
January 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28053855/two-cases-of-non-cystic-fibrosis-cf-bronchiectasis-with-allergic-bronchopulmonary-aspergillosis
#14
Hriday De, Syed Md Azad, Prabhas P Giri, Priyankar Pal, Apurba Ghosh, Anirban Maitra
Allergic bronchopulmonary aspergillosis (ABPA) is a complex hypersensitivity reaction in patients with asthma or cystic fibrosis (CF), which is associated with bronchi colonized by the fungus Aspergillus species, most often Aspergillus fumigatus. ABPA is an important consideration for asthmatics that do not respond to asthma management or with recurrent chest infections and deteriorating lung function in children with cystic fibrosis. We present two cases of non CF bronchiectasis associated with ABPA who presented to our hospital with recurrent hospitalisations of undiagnosed aetiology...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28053852/allergic-bronchopulmonary-mycosis-caused-by-penicillium-luteum
#15
Chiyako Oshikata, Maiko Watanabe, Akemi Saito, Hiroshi Yasueda, Kazuo Akiyama, Yoichi Kamata, Naomi Tsurikisawa
A 65-year-old Japanese male had severe bronchial asthma had increased mold-containing sputum. Serum total IgE level had increased to 798 IU/mL and antigen-specific precipitating antibodies to P. luteum and P. notatum were present but not those reactive toward any species of Aspergillus. Chest computed tomography revealed central bronchiectasis and bronchial wall thickness. After antigen-specific provocation with 10 mg/mL of P. luteum, the patient developed asthma exacerbation, but not with A. fumigatus. We present a rare case of Penicillium-induced allergic bronchopulmonary mycosis caused by P...
March 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28046188/comparative-effectiveness-of-nonsteroidal-anti-inflammatory-drug-treatment-vs-no-treatment-for-patent-ductus-arteriosus-in-preterm-infants
#16
Jonathan L Slaughter, Patricia B Reagan, Thomas B Newman, Mark A Klebanoff
Importance: Patent ductus arteriosus (PDA) is associated with increased mortality and worsened respiratory outcomes, including bronchopulmonary dysplasia (BPD), in preterm infants. Nonsteroidal anti-inflammatory drugs (NSAIDs) are efficacious in closing PDA, but the effectiveness of NSAID-mediated PDA closure in improving mortality and preventing BPD is unclear. Objective: To determine the effectiveness of NSAID treatment for PDA in reducing mortality and moderate/severe BPD at 36 weeks postmenstrual age...
January 3, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28046032/inflammatory-mediators-in-tracheal-aspirates-of-preterm-infants-participating-in-a-randomized-trial-of-inhaled-nitric-oxide
#17
Mandy Laube, Elena Amann, Ulrike Uhlig, Yang Yang, Hans W Fuchs, Michael Zemlin, Jean-Christophe Mercier, Rolf F Maier, Helmut D Hummler, Stefan Uhlig, Ulrich H Thome
BACKGROUND: Ventilated preterm infants frequently develop bronchopulmonary dysplasia (BPD) which is associated with elevated inflammatory mediators in their tracheal aspirates (TA). In animal models of BPD, inhaled nitric oxide (iNO) has been shown to reduce lung inflammation, but data for human preterm infants is missing. METHODS: Within a European multicenter trial of NO inhalation for preterm infants to prevent BPD (EUNO), TA was collected to determine the effects of iNO on pulmonary inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28045772/nutritional-practices-and-growth-in-premature-infants-after-surgical-necrotizing-enterocolitis
#18
Grace C Lin, Daniel T Robinson, Steven Olsen, Kristina M Reber, Mohannad Moallem, Robert DiGeronimo, Cecilia Mulroy, Ankur Datta, Karna Murthy
OBJECTIVE: To describe the nutritional provisions received by infants with surgical NEC and the associated effects on short-term growth. STUDY DESIGN: Through the Children's Hospitals Neonatal Database we identified infants born ≤32 weeks' gestation with surgical NEC from 5 regional neonatal intensive care units over 4 years. Excluded infants had isolated intestinal perforation and died <14 days post-operatively. Infants were stratified by their median parenteral protein dose (low (LP) or high (HP) protein) over the first post-operative week...
December 30, 2016: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28045472/inhaled-nitric-oxide-for-respiratory-failure-in-preterm-infants
#19
REVIEW
Keith J Barrington, Neil Finer, Thomas Pennaforte
BACKGROUND: Inhaled nitric oxide (iNO) is effective in term infants with hypoxic respiratory failure. The pathophysiology of respiratory failure and the potential risks of iNO differ substantially in preterm infants, necessitating specific study in this population. OBJECTIVES: To determine effects of treatment with inhaled nitric oxide (iNO) on death, bronchopulmonary dysplasia (BPD), intraventricular haemorrhage (IVH) or other serious brain injury and on adverse long-term neurodevelopmental outcomes in preterm newborn infants with hypoxic respiratory failure...
January 3, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28043474/is-close-surveillance-indicated-for-indolent-cancers-the-carcinoid-story
#20
Sudish C Murthy, Christopher Bariana, Siva Raja, Usman Ahmad, Daniel P Raymond, Thomas W Rice, Robert Wang, Ponnuthurai Ainkaran, Penny L Houghtaling, Eugene H Blackstone
The objective of this article is to determine the relevance of close postresection surveillance for bronchopulmonary carcinoid. From 2006 to 2013, 57 patients underwent lung resection for bronchopulmonary carcinoid. They were assessed for effects of clinical presentation, subtype, stage, and tobacco use on survival and recurrence. Utility of bronchoscopy and radiographic surveillance was reviewed. Mean follow-up was 2.1 ± 1.7 years. Carcinoid patients presented at a young age (51 ± 15 years) with normal spirometry regardless of smoking status (forced 1-second expiratory volume, 88% ± 19% for never smokers vs 87% ± 16% for smokers)...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
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