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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
#1
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
#2
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
#3
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: 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 ECMO. The predictive utility of the initial as well as maximal lung mass volume and congenital pulmonary airway malformation (CPAM) volume ratio (CVR) by US and MRI was analyzed...
January 6, 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
#4
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
#5
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
#6
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
#7
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...
October 21, 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27752149/congenital-bronchopulmonary-malformation-ct-histopathological-correlation
#8
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
#9
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...
October 10, 2016: 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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/27645976/pulmonary-kirsten-rat-sarcoma-virus-mutation-positive-mucinous-adenocarcinoma-arising-in-a%C3%A2-congenital-pulmonary-airway%C3%A2-malformation-mixed-type-1-and-2
#13
Gopal Singh, Amy Coffey, Robert Neely, Daniel Lambert, Joshua Sonett, Alain C Borczuk, Lyall Gorenstein
Congenital pulmonary airway malformation (CPAM) is a developmental abnormality of the lung, which results from an abnormality of branching during fetal development of the lung. We report the case of an 18 year-old woman who developed Kirsten rat sarcoma virus (KRAS) mutation positive mucinous adenocarcinoma of the lung (AC) in association with mixed CPAM type 1 and 2. This case is unique as KRAS mutation positive AC is present in a setting of both CPAM 1 and 2 in the same lesion.
October 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27490105/congenital-cystic-lung-lesions-evolution-from-in-utero-to-pathology-diagnosis-a-multidisciplinary-approach
#14
Steven Hardee, Lea Tuzovic, Cicero T Silva, Robert A Cowles, Joshua Copel, Raffaella A Morotti
Congenital cystic lung lesions (CCLL) are a group of rare pathologies that are usually diagnosed in the pre-natal period. The majority of these lesions are diagnosed at pathology examination as congenital pulmonary airway malformations (CPAM) and bronchopulmonary sequestration (BPS). These lesions are typically managed by surgical intervention within the first year of life and have an excellent prognosis. We examined the evolution of imaging appearances from prenatal diagnosis to postnatal work-up of these lesions and correlate imaging and pathological findings...
August 4, 2016: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/27474816/effect-of-polyelectrolyte-morphology-and-adsorption-on-the-mechanism-of-nanocellulose-flocculation
#15
Praveena Raj, Warren Batchelor, Angeles Blanco, Elena de la Fuente, Carlos Negro, Gil Garnier
The effect of polyelectrolyte morphology, charge density, molecular weight and concentration on the adsorption and flocculation of Microfibrillated Cellulose (MFC) were investigated. Linear Cationic Polyacrylamide (CPAM) and Branched Polyethylenimine (PEI) of varying charge density and molecular weight were added at different dosages to MFC suspensions. The flocculation mechanisms were quantified by measuring gel point by sedimentation, and floc size, strength and reflocculation ability through Focussed Beam Reflectance Measurements...
November 1, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27471087/synthesis-characterization-and-evaluation-of-dewatering-properties-of-chitosan-grafting-dmdaac-flocculants
#16
Danfeng Wang, Tianqi Zhao, Liuqing Yan, Zhiming Mi, Qiang Gu, Yumin Zhang
Flocculation is one of the most widely applied techniques for water treatment and sludge dewatering. A fresh environmentally friendly and powerful flocculant is highly eager in the sludge dewatering area. In this work, a highly efficient cationic flocculant, chitosan-g-PDMDAAC was synthesized through grafting a monomer, dimethy ldiallyl ammonium chloride(DMDAAC), onto chitosan initiated by ceric sulfate under ultrasonic-assisted and conventional heating condition. The graft copolymer was characterized using FT-IR, XRD and SEM...
November 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27469386/refractory-tension-pneumothorax-as-a-result-of-an-internally-displaced-thoracoamniotic-shunt-in-an-infant-with-a-congenital-pulmonary-airway-malformation
#17
Brenda Hiu Yan Law, Ioana Bratu, Venu Jain, Marc-Antoine Landry
Antenatally, congenital pulmonary airway malformation (CPAM) causing fetal hydrops can be palliated with thoracoamniotic shunts, which may become displaced in utero. We report a case of an infant born at 34 weeks gestational age with an antenatally diagnosed macrocystic lung lesion, fetal hydrops and an internally displaced thoracoamniotic shunt. The infant suffered refractory pneumothoraces despite multiple chest drains, and stabilised only after surgical resection of the lesion. Intraoperatively, the shunt was noted to form a connection between a type I CPAM and the pleural space...
July 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27458568/pulmonary-malformations-predictors-of-neonatal-respiratory-distress-and-early-surgery
#18
Sara Costanzo, Claudia Filisetti, Claudio Vella, Mariangela Rustico, Paola Fontana, Gianluca Lista, Salvatore Zirpoli, Marcello Napolitano, Giovanna Riccipetitoni
OBJECTIVES: The objective of our study is to retrospectively analyze a single-centre series of antenatally detected pulmonary malformations (PM) and to evaluate their postnatal outcome. MATERIALS AND METHODS: We retrospectively reviewed all prenatally diagnosed PM patients referred to our Centre in the period between January 1999 and December 2014. All cases were diagnosed by one of our Maternal-Fetal Specialists by US examination. Congenital pulmonary airway malformation (CPAM) volume ratio (CVR), development of fetal complications, need for fetal therapy, need for neonatal resuscitation and timing of surgery were analyzed...
July 2016: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/27420162/mechanistically-harvesting-of-chlorella-vulgaris-and-rhodotorula-glutinis-via-modified-montmorillonoid
#19
Jing Liu, Xu Zhang, Tianwei Tan
In this study, the flocculation process of Chlorella vulgaris and Rhodotorula glutinis induced by inorganic salts modified montmorillonoid was conducted. The maximum flocculation efficiency (FE) of 98.50% for C. vulgaris and 11.83% for R. glutinis were obtained with 4g/L and 5g/L flocculant within the dosage scope of 1-5g/L. The difference of FE was then thermodynamically explained by the extended DLVO theory and the FE of R. glutinis was mechanically enhanced to 90.66% with 0.06g/L cationic polyacrylamide (CPAM) at an optimum pH of 9...
October 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27292597/resection-of-pediatric-lung-malformations-national-trends-in-resource-utilization-outcomes
#20
Amy E Wagenaar, Jun Tashiro, Shevonne S Satahoo, Juan E Sola, Holly L Neville, Anthony R Hogan, Eduardo A Perez
PURPOSE: We sought to determine factors influencing survival and resource utilization in patients undergoing surgical resection of congenital lung malformations (CLM). Additionally, we used propensity score-matched analysis (PSMA) to compare these outcomes for thoracoscopic versus open surgical approaches. METHODS: Kids' Inpatient Database (1997-2009) was used to identify congenital pulmonary airway malformation (CPAM) and pulmonary sequestration (PS) patients undergoing resection...
September 2016: Journal of Pediatric Surgery
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