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Search Results: 1 - 10 of 978 matches for " Hogan MB "
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Sinusitis and chronic cough in children
Wilson NW,Hogan MB,Harper CB,Peele K
Journal of Asthma and Allergy , 2012,
Abstract: Nevin W Wilson, Mary Beth Hogan, Charles Bruce Harper, Kathy Peele, Sonia Budhecha, Vincent Loffredo, Vanessa WongUniversity of Nevada School of Medicine, Department of Pediatrics, Section of Allergy, Immunology and Pulmonology, Reno, NV, USABackground: Chronic cough in children is a common problem, and sinusitis is a common etiology. The diagnosis of sinusitis is often clinical, but confirmation is thought to require a CT scan due to the difficulty of interpreting a Water’s view sinus X-ray.Objectives: The purposes of the study were (1) to examine the frequency of an abnormal sinus X-ray in children with a chronic cough of more than 4 weeks duration; (2) to compare the interpretation of the sinus film between allergy/pulmonary clinicians and radiologists; and (3) to correlate symptoms with X-ray results.Methods: A chart review of 2- to 18-year-old patients with coughing exceeding 4 weeks was performed. Data was collected for patients who had received a Water’s view sinus film as part of their evaluation. Exam, X-ray results, and clinical outcomes were categorized and statistical analyses performed.Results: A total of 86 patients were included. Clinicians found that 65% of the children had positive Water’s view films, compared with the radiologist’s reading of 62% (non significant). Significant associations between post-tussive emesis (P = 0.01) and purulence (P = 0.03) were noted with a positive film. Positive sinus X-ray was highly associated with all findings except wheeze when present together (P < 0.001).Conclusions: Sinus abnormalities on X-ray are associated with prolonged cough in 65% of children. The Water’s view sinus film is a clinically useful screening tool for clinicians in the workup of chronic cough. Certain physical findings and clinical complaints, when present concurrently, correlate with the X-ray results.Keywords: Water’s view sinus X-ray, asthma, allergic rhinitis, radiologist, post-tussive emesis, wheezing
Sinusitis and chronic cough in children
Wilson NW, Hogan MB, Harper CB, Peele K, Budhecha S, Loffredo V, Wong V
Journal of Asthma and Allergy , 2012, DOI: http://dx.doi.org/10.2147/JAA.S31874
Abstract: usitis and chronic cough in children Original Research (2349) Total Article Views Authors: Wilson NW, Hogan MB, Harper CB, Peele K, Budhecha S, Loffredo V, Wong V Published Date July 2012 Volume 2012:5 Pages 27 - 32 DOI: http://dx.doi.org/10.2147/JAA.S31874 Received: 17 March 2012 Accepted: 18 April 2012 Published: 30 July 2012 Nevin W Wilson, Mary Beth Hogan, Charles Bruce Harper, Kathy Peele, Sonia Budhecha, Vincent Loffredo, Vanessa Wong University of Nevada School of Medicine, Department of Pediatrics, Section of Allergy, Immunology and Pulmonology, Reno, NV, USA Background: Chronic cough in children is a common problem, and sinusitis is a common etiology. The diagnosis of sinusitis is often clinical, but confirmation is thought to require a CT scan due to the difficulty of interpreting a Water’s view sinus X-ray. Objectives: The purposes of the study were (1) to examine the frequency of an abnormal sinus X-ray in children with a chronic cough of more than 4 weeks duration; (2) to compare the interpretation of the sinus film between allergy/pulmonary clinicians and radiologists; and (3) to correlate symptoms with X-ray results. Methods: A chart review of 2- to 18-year-old patients with coughing exceeding 4 weeks was performed. Data was collected for patients who had received a Water’s view sinus film as part of their evaluation. Exam, X-ray results, and clinical outcomes were categorized and statistical analyses performed. Results: A total of 86 patients were included. Clinicians found that 65% of the children had positive Water’s view films, compared with the radiologist’s reading of 62% (non significant). Significant associations between post-tussive emesis (P = 0.01) and purulence (P = 0.03) were noted with a positive film. Positive sinus X-ray was highly associated with all findings except wheeze when present together (P < 0.001). Conclusions: Sinus abnormalities on X-ray are associated with prolonged cough in 65% of children. The Water’s view sinus film is a clinically useful screening tool for clinicians in the workup of chronic cough. Certain physical findings and clinical complaints, when present concurrently, correlate with the X-ray results.
Agency, political economy, and the transnational democratic ideal
Brendan Hogan
Ethics & Global Politics , 2010, DOI: 10.3402/egp.v3i1.4852
Abstract:
CPT Results from KTeV
Hogan Nguyen
Physics , 2001,
Abstract: I present several preliminary measurements from KTeV of the fundamental neutral kaon parameters, and their implications for CPT violation. A new limit is given on the sidereal time dependence of $\phi_{+-}$. The results are based on data collected in 1996-97.
Quantum Geometry in the Lab
Craig Hogan
Physics , 2013,
Abstract: Standard particle theory is based on quantized matter embedded in a classical geometry. Here, a complementary model is proposed, based on classical matter -- massive bodies, without quantum properties -- embedded in a quantum geometry. It does not describe elementary particles, but may be a better, fully consistent quantum description for position states in laboratory-scale systems. Gravitational theory suggests that the geometrical quantum system has an information density of about one qubit per Planck length squared. If so, the model here predicts that the quantum uncertainty of geometry creates a new form of noise in the position of massive bodies, detectable by interferometers.
Quantum Geometry and Interferometry
Craig Hogan
Physics , 2012,
Abstract: All existing experimental results are currently interpreted using classical geometry. However, there are theoretical reasons to suspect that at a deeper level, geometry emerges as an approximate macroscopic behavior of a quantum system at the Planck scale. If directions in emergent quantum geometry do not commute, new quantum-geometrical degrees of freedom can produce detectable macroscopic deviations from classicality: spatially coherent, transverse position indeterminacy between any pair of world lines, with a displacement amplitude much larger than the Planck length. Positions of separate bodies are entangled with each other, and undergo quantum-geometrical fluctuations that are not describable as metric fluctuations or gravitational waves. These fluctuations can either be cleanly identified or ruled out using interferometers. A Planck-precision test of the classical coherence of space-time on a laboratory scale is now underway at Fermilab.
Now Broadcasting in Planck Definition
Craig Hogan
Physics , 2013,
Abstract: If reality has finite information content, space has finite fidelity. The quantum wave function that encodes spatial relationships may be limited to information that can be transmitted in a "Planck broadcast", with a bandwidth given by the inverse of the Planck time, about $2\times 10^{43}$ bits per second. Such a quantum system can resemble classical space-time on large scales, but locality emerges only gradually and imperfectly. Massive bodies are never perfectly at rest, but very slightly and slowly fluctuate in transverse position, with a spectrum of variation given by the Planck time. This distinctive new kind of noise associated with quantum geometry would not have been noticed up to now, but may be detectable in a new kind of experiment.
Measurement of Quantum Geometry Using Laser Interferometry
Craig Hogan
Physics , 2013,
Abstract: New quantum degrees of freedom of space-time, originating at the Planck scale, could create a coherent indeterminacy and noise in the transverse position of massive bodies on macroscopic scales. An experiment is under development at Fermilab designed to detect or rule out a transverse position noise with Planck spectral density, using correlated signals from an adjacent pair of Michelson interferometers. A detection would open an experimental window on quantum space-time.
Non-linear Recurrences that Quite Unexpectedly Generate Rational Numbers
Emilie Hogan
Mathematics , 2009,
Abstract: Non-linear recurrences which generate integers in a surprising way have been studied by many people. Typically people study recurrences that are linear in the highest order term. In this paper I consider what happens when the recurrence is not linear in the highest order term. In this case we no longer produce a unique sequence, but we sometimes have surprising results. If the highest order term is raised to the $m^{th}$ power we expect answers to have $m^{th}$ roots, but for some specific recurrences it happens that we generate rational numbers ad infinitum. I will give a general example in the case of a first order recurrence with $m=2$, and a more specific example that is order 3 with $m=2$ which comes from a generalized Somos recurrence.
Inflamación y Nutrición en la Enfermedad Renal Crónica
Puchulu,MB;
Diaeta , 2011,
Abstract: patients with chronic kidney disease may suffer from a chronic infammatory state reflected by the elevation of infammatory markers as c-reactive protein. there is a strong association between clinical complications, malnutrition and infammation in dialysis patients. the terms malnutrition, infammation and atherosclerosis and malnutrition-infammation complex syndrome (mics) have been proposed to indicate the combination of these conditions in these patients. in dialysis patients the protein-energy malnutrition and the infammation are associated with the increase of morbidity and mortality, including increased risk of cardiovascular disease. the subjective global assessment and the malnutrition-infammation score are two tools for assessing protein-energy malnutrition in hemodialysis patients. intradialytic parenteral nutrition is a strategy for safe and appropriate nutrition intervention.
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