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https://www.readbyqxmd.com/read/28645058/promoting-physical-activity-in-high-poverty-neighborhood-parks-a-cluster-randomized-controlled-trial
#1
Deborah A Cohen, Bing Han, Kathryn P Derose, Stephanie Williamson, Terry Marsh, Laura Raaen, Thomas L McKenzie
Although physical activity can help mitigate or prevent multiple chronic diseases, most people in the U.S., especially high-poverty minority groups, engage in insufficient levels of physical activity. To test ways to promote more physical activity in high-poverty area public parks we conducted a randomized controlled intervention trial. After completing baseline measures of park-based physical activity using systematic direct observation three times/day each month for six months and assessing preferences for park programming among 1445 residents living within 1 mile of study parks, we randomized 48 parks in high poverty neighborhoods in the City of Los Angeles, California during 2013-2014 to four study arms: 1) free physical activity classes over a 6-month period, 2) a frequent user program where participants could win prizes based upon the number of visits they made to the park, 3) both the programs, and 4) neither one (control condition)...
June 3, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28549028/hybrid-coronary-revascularization-has-improved-short-term-outcomes-but-worse-mid-term-reintervention-rates-compared-to-cabg-a-propensity-matched-analysis
#2
Yu Xia, Abraham N Katz, Stephen J Forest, Robert T Pyo, Mark A Greenberg, Joseph J DeRose
OBJECTIVE: We evaluated short-term outcomes and mid-term survival and reintervention of hybrid coronary revascularization versus conventional coronary artery bypass grafting using a propensity score matched cohort. METHODS: We conducted a retrospective review of patients undergoing surgery for multivessel coronary artery disease from 2007 to 2015 at a single institution. Patients were propensity matched 1:1 to receiving hybrid coronary revascularization or conventional bypass grafting by multivariate logistic regression on preoperative characteristics...
May 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28508707/maternal-union-instability-and-childhood-mortality-risk-in-the-global-south-2010-14
#3
Laurie F DeRose, Andrés Salazar-Arango, Paúl Corcuera García, Montserrat Gas-Aixendri, Reynaldo Rivera
Efforts to improve child survival in lower-income countries typically focus on fundamental factors such as economic resources and infrastructure provision, even though research from post-industrial countries confirms that family instability has important health consequences. We tested the association between maternal union instability and children's mortality risk in Africa, Latin America and the Caribbean, and Asia using children's actual experience of mortality (discrete-time probit hazard models) as well as their experience of untreated morbidity (probit regression)...
May 16, 2017: Population Studies
https://www.readbyqxmd.com/read/28504420/use-of-supramolecular-assemblies-as-lithographic-resists
#4
Scott M Lewis, Antonio Fernandez, Guy A DeRose, Matthew S Hunt, George F S Whitehead, Agnese Lagzda, Hayden R Alty, Jesus Ferrando-Soria, Sarah Varey, Andreas K Kostopoulos, Fredrik Schedin, Christopher A Muryn, Grigore A Timco, Axel Scherer, Stephen G Yeates, Richard E P Winpenny
A new resist material for electron beam lithography has been created that is based on a supramolecular assembly. Initial studies revealed that with this supramolecular approach, high-resolution structures can be written that show unprecedented selectivity when exposed to etching conditions involving plasmas.
May 15, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28502023/sources-of-care-for-alcohol-and-other-drug-problems-the-role-of-the-african-american-church
#5
Eunice C Wong, Kathryn P Derose, Paula Litt, Jeremy N V Miles
African Americans experience significant disparities in treatment access, retention, and quality of care for alcohol and drug use (AOD) problems. Religious congregations, often the first point of contact for help with AOD problems, can play an integral role in improving access to treatment. However, little is known about the role of African American churches in addressing AOD problems. We administered a survey to a faith-based collaborative of 169 African American churches in Los Angeles to examine how AOD problems are identified in congregations, the types of support provided, barriers to providing treatment referrals, and factors associated with the provision of treatment referrals...
May 13, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28484654/exophiala-wangiella-dermatitidis-prosthetic-aortic-valve-endocarditis-and-prosthetic-graft-infection-in-an-immune-competent-patient
#6
Jay S Berger, Lucas R Cusumano, Joseph J Derose, Uzma N Sarwar
Exophiala (Wangiella) dermatitidis is an emerging dematiaceous fungus associated with high mortality rates and is a rare cause of endocarditis. We describe the first case of E. dermatitidis endocarditis of a prosthetic aortic valve and aortic graft in an immune competent patient with no clear risk factors of hematological acquisition.
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28472227/cortical-nnos-nk1-receptor-neurons-are-regulated-by-cholinergic-projections-from-the-basal-forebrain
#7
Rhîannan H Williams, Jacqueline Vazquez-DeRose, Alexia M Thomas, Juliette Piquet, Bruno Cauli, Thomas S Kilduff
Cholinergic (ACh) basal forebrain (BF) neurons are active during wakefulness and rapid eye movement (REM) sleep and are involved in sleep homeostasis. We have previously shown in adult animals that cortical neurons that express neuronal nitric oxide synthase (nNOS) and the receptor for Substance P (NK1R) are activated during non-REM (NREM) sleep in proportion to homeostatic sleep drive. Here, we show that BF neurons modulate cortical nNOS/NK1R cells. In vitro optogenetic stimulation of BF terminals both activated and inhibited nNOS/NK1R neurons...
May 2, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28380985/active-phase-correction-of-high-resolution-silicon-photonic-arrayed-waveguide-gratings
#8
M Gehl, D Trotter, A Starbuck, A Pomerene, A L Lentine, C DeRose
Arrayed waveguide gratings provide flexible spectral filtering functionality for integrated photonic applications. Achieving narrow channel spacing requires long optical path lengths which can greatly increase the footprint of devices. High index contrast waveguides, such as those fabricated in silicon-on-insulator wafers, allow tight waveguide bends which can be used to create much more compact designs. Both the long optical path lengths and the high index contrast contribute to significant optical phase error as light propagates through the device...
March 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28375565/emergency-department-vital-signs-and-outcomes-after-discharge
#9
Gelareh Z Gabayan, Michael K Gould, Robert E Weiss, Stephen F Derose, Vicki Y Chiu, Catherine A Sarkisian
OBJECTIVE: Vital signs are critical markers of illness severity in the Emergency Department (ED). Providers need to understand the abnormal vital signs in older adults that are problematic. We hypothesized that in patients age > 65 years discharged from the ED, there are abnormal vital signs that are associated with an admission to an inpatient bed within 7 days of discharge. METHODS: We conducted a retrospective cohort study using data from a regional integrated health system of members age > 65 years during the years 2009-2010...
April 4, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28341473/pneumonia-after-cardiac-surgery-experience-of-the-national-institutes-of-health-canadian-institutes-of-health-research-cardiothoracic-surgical-trials-network
#10
Gorav Ailawadi, Helena L Chang, Patrick T O'Gara, Karen O'Sullivan, Y Joseph Woo, Joseph J DeRose, Michael K Parides, Vinod H Thourani, Sophie Robichaud, A Marc Gillinov, Wendy C Taddei-Peters, Marissa A Miller, Louis P Perrault, Robert L Smith, Lyn Goldsmith, Keith A Horvath, Kristen Doud, Kim Baio, Annetine C Gelijns, Alan J Moskowitz, Emilia Bagiella, John H Alexander, Alexander Iribarne
RATIONALE: Pneumonia remains the most common major infection after cardiac surgery despite numerous preventive measures. OBJECTIVES: To prospectively examine the timing, pathogens, and risk factors, including modifiable management practices, for postoperative pneumonia and estimate its impact on clinical outcomes. METHODS: A total of 5158 adult cardiac surgery patients were enrolled prospectively in a cohort study across 10 centers. All infections were adjudicated by an independent committee...
June 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28187031/x-ray-of-excised-cancerous-breast-tissue-does-not-affect-clinical-biomarker-expression
#11
Isaac E Lloyd, Alana L Welm, Yoko DeRose, Leigh A Neumayer, Jessica L Kohan, Elisabeth M Malmberg, Mohamed E Salama, Rachel E Factor
CONTEXT: College of American Pathologists (CAP) and the American Society of Clinical Oncology have emphasized the need to reduce preanalytic variables for evaluating predictive biomarker expression in breast cancer. Postoperative x-ray of excised breast tissue is commonplace, yet is a variable that has not been investigated previously. We asked whether such radiation affects expression of relevant biomarkers. DESIGN: A previous study found that human breast cancers grown in mice demonstrate the same immunohistochemical and molecular profiles as the original tumors...
February 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28163659/achieving-broad-participation-in-congregational-health-surveys-at-african-american-and-latino-churches
#12
Jennifer Hawes-Dawson, Kathryn Pitkin Derose, Frances M Aunon, Blanca X Dominguez, Alexandria Felton, Michael A Mata, Clyde W Oden, Sandra Paffen
Congregation-based health program evaluations often rely on surveys, but little documentation is available regarding specific methods and challenges. Here we describe methods used to achieve acceptable response rates (73-79%) to a survey of HIV-related attitudes and behaviors in 2 African American and 3 Latino churches in high HIV prevalence communities in Los Angeles County. Survey participation was enhanced by: conducting survey sessions at church-based meetings (e.g., women's Bible study) and after worship services; employing diverse survey staff; providing participation incentives for pastors, church coordinators, and survey participants; and working collaboratively and respectfully with congregational leaders...
February 2017: Field Methods
https://www.readbyqxmd.com/read/28123208/church-based-hiv-screening-in-racial-ethnic-minority-communities-of-california-2011-2012
#13
Malcolm V Williams, Kathryn Pitkin Derose, Frances Aunon, David E Kanouse, Laura M Bogart, Beth Ann Griffin, Ann C Haas, Deborah Owens Collins
Community-based human immunodeficiency virus (HIV) testing at religious congregations has been proposed as a potentially effective way to increase screening among disproportionately affected populations, such as those self-identifying as African American and Latino. Although congregations may provide reach into these communities, the extent to which church-based HIV testing alleviates access barriers, identifies new cases, and reaches people at increased risk for HIV is not well documented. We examined the results of an HIV testing program that was conducted as part of a larger intervention aimed at reducing HIV stigma at five churches in Los Angeles County, California, in 2011-2012...
September 2016: Public Health Reports
https://www.readbyqxmd.com/read/28069843/nearly-one-third-of-enrollees-in-california-s-individual-market-missed-opportunities-to-receive-financial-assistance
#14
Vicki Fung, Catherine Y Liang, Karen Donelan, Cassandra G K Peitzman, William H Dow, Alan M Zaslavsky, Bruce Fireman, Stephen F Derose, Michael E Chernew, Joseph P Newhouse, John Hsu
The Affordable Care Act includes financial assistance that reduces both premiums and cost-sharing amounts for lower-income Americans, to increase the affordability of health insurance coverage and care. To receive both types of assistance, enrollees must purchase a qualified health plan through a public insurance exchange, and those eligible for the cost-sharing reduction must purchase a silver-tier plan. We estimate that 31 percent of individual-market enrollees in California who were likely eligible for financial assistance purchased plans that were not silver tier or that were not sold on the state's exchange and thus missed opportunities to receive premium or cost-sharing assistance or both...
January 1, 2017: Health Affairs
https://www.readbyqxmd.com/read/28028224/ape2-zf-grf-facilitates-3-5-resection-of-dna-damage-following-oxidative-stress
#15
Bret D Wallace, Zachary Berman, Geoffrey A Mueller, Yunfeng Lin, Timothy Chang, Sara N Andres, Jessica L Wojtaszek, Eugene F DeRose, C Denise Appel, Robert E London, Shan Yan, R Scott Williams
The Xenopus laevis APE2 (apurinic/apyrimidinic endonuclease 2) nuclease participates in 3'-5' nucleolytic resection of oxidative DNA damage and activation of the ATR-Chk1 DNA damage response (DDR) pathway via ill-defined mechanisms. Here we report that APE2 resection activity is regulated by DNA interactions in its Zf-GRF domain, a region sharing high homology with DDR proteins Topoisomerase 3α (TOP3α) and NEIL3 (Nei-like DNA glycosylase 3), as well as transcription and RNA regulatory proteins, such as TTF2 (transcription termination factor 2), TFIIS, and RPB9...
January 10, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27974415/loss-of-rasgap-tumor-suppressors-underlies-the-aggressive-nature-of-luminal-b-breast-cancers
#16
Sarah Naomi Olsen, Ania Wronski, Zafira Castaño, Benjamin Dake, Clare Malone, Thomas De Raedt, Miriam Enos, Yoko S DeRose, Wenhui Zhou, Stephanie Guerra, Massimo Loda, Alana Welm, Ann H Partridge, Sandra S McAllister, Charlotte Kuperwasser, Karen Cichowski
Luminal breast cancers are typically estrogen receptor-positive and generally have the best prognosis. However, a subset of luminal tumors, namely luminal B cancers, frequently metastasize and recur. Unfortunately, the causal events that drive their progression are unknown, and therefore it is difficult to identify individuals who are likely to relapse and should receive escalated treatment. Here, we identify a bifunctional RasGAP tumor suppressor whose expression is lost in almost 50% of luminal B tumors. Moreover, we show that two RasGAP genes are concomitantly suppressed in the most aggressive luminal malignancies...
December 14, 2016: Cancer Discovery
https://www.readbyqxmd.com/read/27927587/estimated-gfr-before-and-after-bariatric-surgery-in-ckd
#17
Talha H Imam, Heidi Fischer, Bocheng Jing, Raoul Burchette, Shayna Henry, Stephen F DeRose, Karen J Coleman
BACKGROUND: Several reviews have recently detailed the beneficial effects of weight loss surgery for kidney function. However, these studies have a number of limitations, including small sample size, few done in chronic kidney disease (CKD) stages 3 and 4, and many not including the main bariatric surgery procedures used in the United States today. STUDY DESIGN: This was an observational retrospective cohort study comparing propensity score-matched bariatric surgery patients and nonsurgery control patients who were referred for, but did not have, surgery...
March 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27906331/compact-silicon-photonic-resonance-sssisted-variable-optical-attenuator
#18
Xiaoxi Wang, Ryan Aguinaldo, Anthony Lentine, Christopher DeRose, Andrew L Starbuck, Douglas Trotter, Andrew Pomerene, Shayan Mookherjea
A two-part silicon photonic variable optical attenuator is demonstrated in a compact footprint which can provide a high extinction ratio at wavelengths between 1520 nm and 1620 nm. The device was made by following the conventional p-i-n waveguide section by a high-extinction-ratio second-order microring filter section. The rings provide additional on-off contrast by utilizing a thermal resonance shift, which harvested the heat dissipated by current injection in the p-i-n junction. We derive and discuss a simple thermal-resistance model in explanation of these effects...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27884484/ross-hybrid-arch-and-frozen-elephant-trunk-reconstruction-for-late-complications-of-bicuspid-aortic-valve-and-aortopathy
#19
Matthew Valdis, Gaetano DeRose, Linrui Guo, Michael W A Chu
Young patients with bicuspid aortic valve disease and aortopathy remain a clinical challenge, with many requiring multiple corrective operations throughout their lifetimes. Innovative surgical approaches are often required to address complex aortic pathologic conditions but leave patients at risk for reintervention, lifelong anticoagulation, and suboptimal hemodynamics. We describe an active 44-year-old female triathlete with recurrent bicuspid aortic stenosis, a small aortic root, a hypoplastic aortic arch and complex distal arch, and a descending aortic aneurysm, who underwent a single-stage reconstruction with a combined Ross procedure, hybrid arch, and frozen elephant trunk reconstruction...
December 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/27876520/explaining-endograft-shortening-during-endovascular-repair-of-abdominal-aortic-aneurysms-in-severe-aortoiliac-tortuosity
#20
Kevin Lee, Sajjid Hossain, Maher Sabalbal, Luc Dubois, Audra Duncan, Guy DeRose, Adam H Power
OBJECTIVE: During endovascular aneurysm repair (EVAR), severely tortuous aortoiliac anatomy can alter the deployment and conformability of the endograft. The accuracy of treatment length measurements is commonly recognized to be affected by severe tortuosity. However, the exact mechanism of the postintervention length discrepancy is poorly understood. The objective of this study was to determine the mechanism of how severe aortoiliac tortuosity influences the endograft and native aorta during EVAR and its impact on the distal sealing zone...
May 2017: Journal of Vascular Surgery
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