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https://www.readbyqxmd.com/read/28737279/exercise-capacity-is-not-decreased-in-children-who-have-undergone-lung-resection-early-in-life-for-congenital-thoracic-malformations-compared-to-healthy-age-matched-children
#1
Ashlee Dunn, Kasey Pearce, Robin Callister, Adam Collison, Matthew Morten, Payal Mandaliya, Lauren Platt, Ben Dascombe, Rajendra Kumar, Hiran Selvadurai, Paul D Robinson, Joerg Mattes
PURPOSE: The purpose of this study was to compare (i) the exercise capacity and (ii) lung function prior to and immediately post cardiopulmonary exercise tests (CPET) of children who underwent early life lung resection for Congenital Pulmonary Airway Malformations (CPAM) to healthy control children. METHOD: Eight children with CPAM (four males, age 9.6 ± 1.8 years) and eight control children without respiratory disease (three males, age 9.4 ± 1.4 years) performed a CPET on a cycle ergometer, during which maximal oxygen consumption (V̇O2max ) and heart rate were measured...
July 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28638495/an-atypical-presentation-of-congenital-pulmonary-airway-malformation-cpam-a-rare-case-with-antenatal-ultrasound-findings-and-review-of-literature
#2
Munnangi Satya Gautam, Srinivas M Naren Satya, Ivvala Sai Prathyusha, K Hema Chandra Reddy, Kamala Retnam Mayilvaganan, Deepthi Raidu
BACKGROUND: Congenital pulmonary airway malformation (CPAM) is a relatively rare congenital anomaly with a wide spectrum of ultrasound features depending on the specific variety of CPAM. Antenatal ultrasound is a valuable, safe, nonionizing, cost-effective, widely available and easily reproducible imaging tool and is indispensable in the diagnosis of CPAM. In this paper, we aimed to report an atypical imaging presentation of CPAM type II in the second trimester, extensively involving all lobes of the left lung...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28589256/treatment-of-congenital-pulmonary-airway-malformations-a-systematic-review-from-the-apsa-outcomes-and-evidence-based-practice-committee
#3
Cynthia D Downard, Casey M Calkins, Regan F Williams, Elizabeth J Renaud, Tim Jancelewicz, Julia Grabowski, Roshni Dasgupta, Milissa McKee, Robert Baird, Mary T Austin, Meghan A Arnold, Adam B Goldin, Julia Shelton, Saleem Islam
PURPOSE: Variation in management characterizes treatment of infants with a congenital pulmonary airway malformation (CPAM). This review addresses six clinically applicable questions using available evidence to provide recommendations for the treatment of these patients. METHODS: Questions regarding the management of a pediatric patient with a CPAM were generated. English language articles published between 1960 and 2014 were compiled after searching Medline and OvidSP...
June 6, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28584070/the-natural-history-of-prenatally-diagnosed-congenital-cystic-lung-lesions-long-term-follow-up-of-119-cases
#4
James Cook, Lyn S Chitty, Paolo De Coppi, Michael Ashworth, Colin Wallis
BACKGROUND: A paucity of evidence regarding the natural history of congenital pulmonary airway malformations (CPAMs) and pulmonary sequestration (PS) has resulted in a divergence in management strategy of asymptomatic cases. METHODS: We describe the long-term clinical course of 119 children diagnosed with these lesions treated at Great Ormond Street Hospital (GOSH). Cases were identified via the GOSH patient database. Study entry required the identification of a cystic lung lesion on prenatal ultrasound and confirmation of CPAM/PS on postnatal CT imaging...
June 5, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28493304/cpam-type-2-derived-mesenchymal-stem-cells-malignancy-risk-study-in-a-14-month-old-boy
#5
Gloria Pelizzo, Maria A Avanzini, Marco Folini, Rossana Bussani, Melissa Mantelli, Stefania Croce, Gloria Acquafredda, Paola Travaglino, Graziella Cimino-Reale, Marina Boni, Irene Dambruoso, Valeria Calcaterra
INTRODUCTION: The association between congenital pulmonary airway malformations (CPAM) and malignancy is reported in the literature. Interactions between the tumor, immune, and mesenchymal stromal/stem cells (MSCs) have been recognized as crucial for understanding tumorigenesis. We characterized MSCs isolated from CPAM lesions in order to define potential malignancy risks. METHODS: CPAM II pulmonary tissue was used for MSC expansion; a "healthy" lung section from the same child was used as a comparator...
May 10, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28482472/caffeine-a-novel-green-precursor-for-synthesis-of-magnetic-cofe2o4-nanoparticles-and-ph-sensitive-magnetic-alginate-beads-for-drug-delivery
#6
Mahnaz Amiri, Masoud Salavati-Niasari, Abbas Pardakhty, Meysam Ahmadi, Ahmad Akbari
Hydrogel beads are promising delivery systems for encapsulation and release of drugs due to the mild process of their fabrication from biopolymers. Magnetic CoFe2O4 nanoparticles (MCFO, 9.72nm in diameter) were synthesized via a co-precipitation method using caffeine as a new environmentally friendly material in order to alkalinize the medium. Drug-targeting Magnetic beads based on CoFe2O4 nanoparticles, sodium alginate and chlorpheniramine maleate (CPAM) were synthesized in the presence of Ca(2+) ions to obtain ionic cross-linked magnetic hydrogel beads...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28325320/plasma-initiated-polymerization-of-chitosan-based-cs-g-p-am-dmdaac-flocculant-for-the-enhanced-flocculation-of-low-algal-turbidity-water
#7
Yongjun Sun, Chengyu Zhu, Wenquan Sun, Yanhua Xu, Xuefeng Xiao, Huaili Zheng, Huifang Wu, Cuiyun Liu
In this work, a highly efficient and environmentally friendly chitosan-based graft flocculant, namely, acrylamide- and dimethyl diallyl ammonium chloride-grafted chitosan [CS-g-P(AM-DMDAAC)], was prepared successfully through plasma initiation. FTIR results confirmed the successful polymerization of CS-g-P(AM-DMDAAC) and P(AM-DMDAAC). P(AM-DMDAAC) was the copolymer of acrylamide- and dimethyl diallyl ammonium chloride. SEM results revealed that a densely cross-linked network structure formed on the surface...
May 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28259381/fast-track-pediatric-thoracic-surgery-toward-day-case-surgery
#8
Pauline Clermidi, Myriam Bellon, Alia Skhiri, Olivier Jaby, Christine Vitoux, Michel Peuchmaur, Arnaud Bonnard
PURPOSE: Thoracoscopic lung resection for congenital pulmonary airway malformation (CPAM) is a safe technique for children. Our purpose was to evaluate the feasibility of a fast-track protocol in such cases. METHODS: From September 2007 to May 2016, 101 patients underwent a thoracoscopic pulmonary resection of which 83 for CPAM (lobectomy, wedge resection or sequestrectomy). We retrospectively reviewed the characteristics of surgical procedure, postoperative management and complications through three time periods (September 2007-December 2009: n=14, January 2010-March 2013: n=30, April 2013-May 2016: n=39) corresponding to management protocols modifications introducing fast-track pathways...
February 16, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28195247/type-ii-congenital-pulmonary-airway-malformation-associated-with-intralobar-pulmonary-sequestration-report-of-a-case-and-review-of-classification-criteria
#9
M G Mastrogiulio, A Barone, M G Disanto, A Ginori, M R Ambrosio, S F Carbone, D Spina
Pulmonary congenital abnormalities are rare disorders including congenital pulmonary airway malformations (CPAM) and pulmonary sequestration (PS). CPAM is a lesion characterized by the presence of anomalous bronchiolar or acinar structures, variable in size, either cystic or not cystic. PS is generally defined as nonfunctioning lung tissue that is not in normal continuity with the tracheobronchial tree and that derives its blood supply from systemic vessels. We describe a case of a baby girl with a very rare association between CPAM type 2 and intralobar pulmonary sequestration (IPS) focusing on the cystic lesions typical of CPAM and on the lymphatic and blood vessels...
March 2016: Pathologica
https://www.readbyqxmd.com/read/28170422/carrageenan-as-a-dry-strength-additive-for-papermaking
#10
Zhenhua Liu, Xinping Li, Wei Xie
Carrageenans are commercially important sulfated gums found in various species of red seaweeds (Rhodophyta), wherein they serve a structural function similar to that of pectins in land plants. In this study, carrageenan was used independently or in combination with cationic polyacrylamide (CPAM) and/or Al2(SO4)3 to explore its application as a dry strength additive in papermaking. Strength index determination, ash content detection, FTIR characterization and SEM observation were performed on prepared handsheets...
2017: PloS One
https://www.readbyqxmd.com/read/28061000/prediction-of-neonatal-respiratory-distress-in-pregnancies-complicated-by-fetal-lung-masses
#11
Anna I Girsen, Susan R Hintz, Rami Sammour, Aasim Naqvi, Yasser Y El-Sayed, Katie Sherwin, Alexis S Davis, Valerie Y Chock, Richard A Barth, Erika Rubesova, Karl G Sylvester, Ritu Chitkara, Yair J Blumenfeld
OBJECTIVE: The objective of this article is to evaluate the utility of fetal lung mass imaging for predicting neonatal respiratory distress. METHOD: Pregnancies with fetal lung masses between 2009 and 2014 at a single center were analyzed. Neonatal respiratory distress was defined as intubation and mechanical ventilation at birth, surgery before discharge, or extracorporeal membrane oxygenation (ECMO). The predictive utility of the initial as well as maximal lung mass volume and congenital pulmonary airway malformation volume ratio by ultrasound (US) and magnetic resonance imaging (MRI) was analyzed...
March 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28033532/microstructural-evolution-and-mechanical-property-of-ti-6al-4v-wall-deposited-by-continuous-plasma-arc-additive-manufacturing-without-post-heat-treatment
#12
Jianjun Lin, Yaohui Lv, Yuxin Liu, Zhe Sun, Kaibo Wang, Zhuguo Li, Yixiong Wu, Binshi Xu
Plasma arc additive manufacturing (PAM) is a novel additive manufacturing (AM) technology due to its big potential in improving efficiency, convenience and being cost-savings compared to other AM processes of high energy bea\m. In this research, several Ti-6Al-4V thin walls were deposited by optimized weld wire-feed continuous PAM process (CPAM), in which the heat input was gradually decreased layer by layer. The deposited thin wall consisted of various morphologies, which includes epitaxial growth of prior β grains, horizontal layer bands, martensite and basket weave microstructure, that depends on the heat input, multiple thermal cycles and gradual cooling rate in the deposition process...
December 21, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28008851/functional-dichotomy-and-distinct-nanoscale-assemblies-of-a-cell-cycle-controlled-bipolar-zinc-finger-regulator
#13
Johann Mignolet, Seamus Holden, Matthieu Bergé, Gaël Panis, Ezgi Eroglu, Laurence Théraulaz, Suliana Manley, Patrick H Viollier
Protein polarization underlies differentiation in metazoans and in bacteria. How symmetric polarization can instate functional asymmetry remains elusive. Here, we show by super-resolution photo-activated localization microscopy and edgetic mutations that the bitopic zinc-finger protein ZitP implements specialized developmental functions - pilus biogenesis and multifactorial swarming motility - while shaping distinct nanoscale (bi)polar architectures in the asymmetric model bacterium Caulobacter crescentus. Polar assemblage and accumulation of ZitP and its effector protein CpaM are orchestrated in time and space by conserved components of the cell cycle circuitry that coordinate polar morphogenesis with cell cycle progression, and also act on the master cell cycle regulator CtrA...
December 23, 2016: ELife
https://www.readbyqxmd.com/read/28000073/application-of-cellulose-nanofibers-to-remove-water-based-flexographic-inks-from-wastewaters
#14
Ana Balea, M Concepción Monte, Elena de la Fuente, Carlos Negro, Ángeles Blanco
Water-based or flexographic inks in paper and plastic industries are more environmentally favourable than organic solvent-based inks. However, their use also creates new challenges because they remain dissolved in water and alter the recycling process. Conventional deinking technologies such as flotation processes do not effectively remove them. Adsorption, coagulation/flocculation, biological and membrane processes are either expensive or have negative health impacts, making the development of alternative methods necessary...
December 20, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27770196/is-congenital-pulmonary-airway-malformation-really-a-rare-disease-result-of-a-prospective-registry-with-universal-antenatal-screening-program
#15
C T Lau, A Kan, N Shek, P Tam, K K Y Wong
BACKGROUND: Congenital pulmonary airway malformation (CPAM) is an increasingly recognized disease with potential mortality. Owing to limited published studies, the true incidence is yet to be determined. We carried out this prospective study with the aim to estimate its true incidence on a population basis. METHODS: An antenatal ultrasonography program was implemented since 2009. Fetuses with suspected intra-thoracic lesions were monitored by regular follow-ups...
January 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/27752149/congenital-bronchopulmonary-malformation-ct-histopathological-correlation
#16
COMPARATIVE STUDY
Martin Kyncl, Martin Koci, Lea Ptackova, Ludmila Hornofova, Fabian Ondrej, Jiri Snajdauf, Marcela Pychova
BACKGROUND: This study evaluated the accuracy of postnatal computed tomography (CT) imaging in the identification of congenital bronchopulmonary malformation (BPM) in comparison with histopathological analysis. METHODS: CT scans of prenatally diagnosed BPMs from 24 patients with available histology were analysed retrospectively. The CT images were reviewed blinded to histological findings by two radiologists. Specific diagnosis was assigned based on predetermined criteria...
December 2016: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/27723920/antenatally-detected-congenital-pulmonary-airway-malformations-the-oxford-experience
#17
Hemanshoo Sudhir Thakkar, Jonathan Durell, Subhasis Chakraborty, Bianca-Lea Tingle, Arnwald Choi, Darren J Fowler, Steve J Gould, Lawrence Impey, Kokila Lakhoo
Congenital airway pulmonary malformations are increasingly being diagnosed, but their management continues to remain controversial. Our approach has been to offer surgery to mitigate the risk of infection and possible malignancy. All patients routinely undergo a CT scan of the chest postnatally and once the diagnosis is confirmed, minimal access surgery is offered. Our anesthetists provide single-lung ventilation to enhance the operative view. We conducted a retrospective review over a 10-year period, during which 91 patients were prenatally suspected to have a cystic lung lesion...
August 2017: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27710845/uv-initiated-template-copolymerization-of-am-and-maptac-microblock-structure-copolymerization-mechanism-and-flocculation-performance
#18
Xiang Li, Huaili Zheng, Baoyu Gao, Yongjun Sun, Bingzhi Liu, Chuanliang Zhao
Flocculation as the core technology of sludge pretreatment can improve the dewatering performance of sludge that enables to reduce the cost of sludge transportation and the subsequent disposal costs. Therefore, synthesis of high-efficiency and economic flocculant is remarkably desired in this field. This study presents a cationic polyacrylamide (CPAM) flocculant with microblock structure synthesized through ultraviolet (UV)-initiated template copolymerization by using acrylamide (AM) and methacrylamido propyl trimethyl ammonium chloride (MAPTAC) as monomers, sodium polyacrylate (PAAS) as template, and 2,2'-azobis [2-(2-imidazolin-2-yl) propane] dihydrochloride (VA-044) as photoinitiator...
January 2017: Chemosphere
https://www.readbyqxmd.com/read/27705088/thoracoscopic-lobectomy-in-infants-and-children-utilizing-a-5%C3%A2-mm-stapling-device
#19
Steven Rothenberg
PURPOSE: Thoracoscopic lobectomy for congenital cystic lung disease has become an accepted and in many institutions the preferred technique. However, the technical challenges are many. Previous endoscopic staplers (12 mm) used commonly in adults are too large for use in infants This study evaluates the safety and efficacy of using a 5 mm stapling device to seal and divide major pulmonary structures. METHODS: From July 2014 to March 2016, 26 patients of age 6 weeks to 13 months underwent thoracoscopic lobectomy for CPAM or sequestration...
December 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27671988/congenital-pulmonary-airway-malformation-cpam-with-initial-presentation-in-an-adult-a-rare-presentation-of-a-rare-disease
#20
Mohannad Abu Omar, Emily Tylski, Mouhanna Abu Ghanimeh, Ashraf Gohar
Congenital pulmonary airway malformation (CPAM) is a rare congenital abnormality with unknown exact aetiology or clear genetic association. It is characterised by a failure of bronchial development and localised glandular overgrowth. Typically, it is diagnosed on prenatal ultrasound, only infrequently in children, and even less commonly in adults. We present a case of a 25-year-old man, with no previous lung diseases who presented with right-sided chest pain, fever and cough suggestive of pulmonary infection...
September 26, 2016: BMJ Case Reports
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