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Articles 31 - 60 of 165
Full-Text Articles in Medicine and Health Sciences
Prenatal Exposure To Perfluoroalkyl Acids And Serum Testosterone Concentrations At 15 Years Of Age In Female Alspac Study Participants, Mildred Maisonet, Antonia M. Calafat, Michele Marcus, Jouni J.K. Jaakkola, Hany Lashen
Prenatal Exposure To Perfluoroalkyl Acids And Serum Testosterone Concentrations At 15 Years Of Age In Female Alspac Study Participants, Mildred Maisonet, Antonia M. Calafat, Michele Marcus, Jouni J.K. Jaakkola, Hany Lashen
Mildred Maisonet
Background: Exposure to perfluorooctane sulfonic acid (PFOS) or to perfluorooctanoic acid (PFOA) increases mouse and human peroxisome proliferator–activated receptor alpha (PPARα) subtype activity, which influences lipid metabolism. Because cholesterol is the substrate from which testosterone is synthesized, exposure to these substances has the potential to alter testosterone concentrations. Objectives: We explored associations of total testosterone and sex hormone–binding globulin (SHBG) concentrations at age 15 years with prenatal exposures to PFOS, PFOA, perfluorohexane sulfonic acid (PFHxS), and perfluoronanoic acid (PFNA) in females. Methods: Prenatal concentrations of the perfluoroalkyl acids (PFAAs) were measured in serum collected from pregnant mothers at enrollment (1991–1992) …
Evaluation Of Progress Towards The Unaids 90-90-90 Hiv Care Cascade: A Description Of Statistical Methods Used In An Interim Analysis Of The Intervention Communities In The Search Study, Laura Balzer, Joshua Schwab, Mark J. Van Der Laan, Maya L. Petersen
Evaluation Of Progress Towards The Unaids 90-90-90 Hiv Care Cascade: A Description Of Statistical Methods Used In An Interim Analysis Of The Intervention Communities In The Search Study, Laura Balzer, Joshua Schwab, Mark J. Van Der Laan, Maya L. Petersen
Laura B. Balzer
WHO guidelines call for universal antiretroviral treatment, and UNAIDS has set a global target to virally suppress most HIV-positive individuals. Accurate estimates of population-level coverage at each step of the HIV care cascade (testing, treatment, and viral suppression) are needed to assess the effectiveness of "test and treat" strategies implemented to achieve this goal. The data available to inform such estimates, however, are susceptible to informative missingness: the number of HIV-positive individuals in a population is unknown; individuals tested for HIV may not be representative of those whom a testing intervention fails to reach, and HIV-positive individuals with a viral …
Regional Initiatives For Malaria Elimination: Building And Maintaining Partnerships, Andrew A. Lover, Kelly E. Harvard, Alistair E. Lindawson, Cara Smith Gueye, Rima Shretta, Roly Gosling, Richard Feachem
Regional Initiatives For Malaria Elimination: Building And Maintaining Partnerships, Andrew A. Lover, Kelly E. Harvard, Alistair E. Lindawson, Cara Smith Gueye, Rima Shretta, Roly Gosling, Richard Feachem
Andrew Lover
- Country programs and international donors are increasingly focused on regional approaches to malaria elimination; regional initiatives have been established in southern Africa, the Arabian Peninsula, Asia Pacific, Eastern Europe, and Latin America. Despite this growing attention, there is limited information and guidance on both key activities and organizational components of regional initiatives.
- In a review conducted for this policy forum, common characteristics across existing regional initiatives emerged: building a region-specific evidence base, leveraging expertise and resources, shifting commodities or pooling procurement, developing data-sharing systems, mobilizing resources, promoting high-level accountability, and strengthening advocacy.
- Regional initiatives share key structural elements: a strategic …
Malaria Risk Factors And Care-Seeking Behaviour Within The Private Sector Among High-Risk Populations In Vietnam: A Qualitative Study, Ingrid Chen, Huong Ngo Thi Thanh, Andrew A. Lover, Phung Thi Thao, Tang Viet Luu, Hoang Nghia Thang, Ngo Duc Thang, Josselyn Neukom, Adam Bennett
Malaria Risk Factors And Care-Seeking Behaviour Within The Private Sector Among High-Risk Populations In Vietnam: A Qualitative Study, Ingrid Chen, Huong Ngo Thi Thanh, Andrew A. Lover, Phung Thi Thao, Tang Viet Luu, Hoang Nghia Thang, Ngo Duc Thang, Josselyn Neukom, Adam Bennett
Andrew Lover
Decade-Long Trends In The Timeliness Of Receipt Of A Primary Percutaneous Coronary Intervention, Han-Yang Chen, Joel M. Gore, Kate L. Lapane, Jorge L. Yarzebski, Sharina D. Person, Catarina I. Kiefe, Robert J. Goldberg
Decade-Long Trends In The Timeliness Of Receipt Of A Primary Percutaneous Coronary Intervention, Han-Yang Chen, Joel M. Gore, Kate L. Lapane, Jorge L. Yarzebski, Sharina D. Person, Catarina I. Kiefe, Robert J. Goldberg
Catarina I. Kiefe
OBJECTIVES: The purpose of this study was to examine decade-long trends (2001-2011) in, and factors associated with, door-to-balloon time within 90 minutes of hospital presentation among patients hospitalized with ST-segment elevation myocardial infarction (STEMI) who received a primary percutaneous coronary intervention (PCI).
METHODS: Residents of central Massachusetts hospitalized with STEMI who received a primary PCI at two major PCI-capable medical centers in central Massachusetts on a biennial basis between 2001 and 2011 comprised the study population (n=629). Multivariable regression analyses were used to examine factors associated with failing to receive a primary PCI within 90 minutes after emergency department (ED) …
Decade-Long Trends In The Timeliness Of Receipt Of A Primary Percutaneous Coronary Intervention, Han-Yang Chen, Joel M. Gore, Kate L. Lapane, Jorge L. Yarzebski, Sharina D. Person, Catarina I. Kiefe, Robert J. Goldberg
Decade-Long Trends In The Timeliness Of Receipt Of A Primary Percutaneous Coronary Intervention, Han-Yang Chen, Joel M. Gore, Kate L. Lapane, Jorge L. Yarzebski, Sharina D. Person, Catarina I. Kiefe, Robert J. Goldberg
Jorge L. Yarzebski
OBJECTIVES: The purpose of this study was to examine decade-long trends (2001-2011) in, and factors associated with, door-to-balloon time within 90 minutes of hospital presentation among patients hospitalized with ST-segment elevation myocardial infarction (STEMI) who received a primary percutaneous coronary intervention (PCI). METHODS: Residents of central Massachusetts hospitalized with STEMI who received a primary PCI at two major PCI-capable medical centers in central Massachusetts on a biennial basis between 2001 and 2011 comprised the study population (n=629). Multivariable regression analyses were used to examine factors associated with failing to receive a primary PCI within 90 minutes after emergency department (ED) …
A Delphi Process To Address Medication Appropriateness For Older Persons With Multiple Chronic Conditions, Terri R. Fried, Kristina Niehoff, Jennifer Tjia, Nancy Redeker, Mary K. Goldstein
A Delphi Process To Address Medication Appropriateness For Older Persons With Multiple Chronic Conditions, Terri R. Fried, Kristina Niehoff, Jennifer Tjia, Nancy Redeker, Mary K. Goldstein
Jennifer Tjia
BACKGROUND: Frameworks exist to evaluate the appropriateness of medication regimens for older patients with multiple medical conditions (MCCs). Less is known about how to translate the concepts of the frameworks into specific strategies to identify and remediate inappropriate regimens.
METHODS: Modified Delphi method involving iterative rounds of input from panel members. Panelists (n = 9) represented the disciplines of nursing, medicine and pharmacy. Included among the physicians were two geriatricians, one general internist, one family practitioner, one cardiologist and two nephrologists. They participated in 3 rounds of web-based anonymous surveys.
RESULTS: The panel reached consensus on a set of markers …
Correlates Of Hiv Acquisition In A Cohort Of Black Men Who Have Sex With Men In The United States: Hiv Prevention Trials Network (Hptn) 061, Beryl A. Koblin, Kenneth H. Mayer, Susan H. Eshleman, Lei Wang, Sharon B. Mannheimer, Carlos Del Rio, Steve Shoptaw, Manya Magnus, Susan Buchbinder, Leo Wilton, Ting-Yuan Liu, Vanessa Cummings, Estelle Piwowar-Manning, Sheldon D. Fields, Sam Griffith, Vanessa Elharrar, Darrell Wheeler
Correlates Of Hiv Acquisition In A Cohort Of Black Men Who Have Sex With Men In The United States: Hiv Prevention Trials Network (Hptn) 061, Beryl A. Koblin, Kenneth H. Mayer, Susan H. Eshleman, Lei Wang, Sharon B. Mannheimer, Carlos Del Rio, Steve Shoptaw, Manya Magnus, Susan Buchbinder, Leo Wilton, Ting-Yuan Liu, Vanessa Cummings, Estelle Piwowar-Manning, Sheldon D. Fields, Sam Griffith, Vanessa Elharrar, Darrell Wheeler
Leo Wilton
Background
Black men who have sex with men (MSM) in the United States (US) are affected by HIV at disproportionate rates compared to MSM of other race/ethnicities. Current HIV incidence estimates in this group are needed to appropriately target prevention efforts.
Methods
From July 2009 to October 2010, Black MSM reporting unprotected anal intercourse with a man in the past six months were enrolled and followed for one year in six US cities for a feasibility study of a multi-component intervention to reduce HIV infection. HIV incidence based on HIV seroconversion was calculated as number of events/100 person-years. Multivariate proportional …
Decade Long Trends (2001-2011) In Duration Of Pre-Hospital Delay Among Elderly Patients Hospitalized For An Acute Myocardial Infarction, Raghavendra Makam, Nathaniel Erskine, Jorge L. Yarzebski, Darleen M. Lessard, Jason Lau, Jeroan J. Allison, Joel M. Gore, Jerry H. Gurwitz, David D. Mcmanus, Robert J. Goldberg
Decade Long Trends (2001-2011) In Duration Of Pre-Hospital Delay Among Elderly Patients Hospitalized For An Acute Myocardial Infarction, Raghavendra Makam, Nathaniel Erskine, Jorge L. Yarzebski, Darleen M. Lessard, Jason Lau, Jeroan J. Allison, Joel M. Gore, Jerry H. Gurwitz, David D. Mcmanus, Robert J. Goldberg
Jorge L. Yarzebski
BACKGROUND: Early intervention with medical and/or coronary revascularization treatment approaches remains the cornerstone of the management of patients hospitalized with acute myocardial infarction (AMI). However, several patient groups, especially the elderly, are known to delay seeking prompt medical care after onset of AMI-associated symptoms. Current trends, and factors associated with prolonged prehospital delay among elderly patients hospitalized with AMI, are incompletely understood.
METHODS AND RESULTS: Data from a population-based study of patients hospitalized at all 11 medical centers in central Massachusetts with a confirmed AMI on a biennial basis between 2001 and 2011 were analyzed. Information about duration of prehospital …
Angina Characteristics As Predictors Of Trajectories Of Quality Of Life Following Acute Coronary Syndrome In The Transitions, Risks And Actions In Coronary Events-Center For Outcomes Research And Education Cohort (Trace-Core), Lisa Nobel, Jennifer Tjia, Jane S. Saczynski, Molly E. Waring, Milena D. Anatchkova, Arlene Ash, Catarina I. Kiefe, Jeroan Allison
Angina Characteristics As Predictors Of Trajectories Of Quality Of Life Following Acute Coronary Syndrome In The Transitions, Risks And Actions In Coronary Events-Center For Outcomes Research And Education Cohort (Trace-Core), Lisa Nobel, Jennifer Tjia, Jane S. Saczynski, Molly E. Waring, Milena D. Anatchkova, Arlene Ash, Catarina I. Kiefe, Jeroan Allison
Jennifer Tjia
BACKGROUND: To describe longitudinal trajectories of health-related quality of life (HRQoL) after hospitalization with an acute coronary syndrome (ACS), their associations with baseline angina characteristics, and associations with anxiety, depression, and cognitive impairment.
METHODS: TRACE-CORE participants (N=1,613) completed the SF-36 during hospitalization for ACS and 1, 3, & 6 months post-discharge. Latent growth curves identified trajectories of physical and mental components of HRQOL (MCS and PCS) and sequential multiple logistic regression estimated associations between trajectories and angina characteristics.
RESULTS: Participants (N=1613) had mean age 63.3 (SD 11.4) years, 33.0% female, and 78.2% non-Hispanic white. We identified 2 MCS trajectories: AVERAGE …
Decade-Long Trends (1999-2009) In The Characteristics, Management, And Hospital Outcomes Of Patients Hospitalized With Acute Myocardial Infarction With Prior Diabetes And Chronic Kidney Disease, Mayra Tisminetzky, David D. Mcmanus, Alon Dor, Ruben Miozzo, Jorge L. Yarzebski, Joel M. Gore, Robert J. Goldberg
Decade-Long Trends (1999-2009) In The Characteristics, Management, And Hospital Outcomes Of Patients Hospitalized With Acute Myocardial Infarction With Prior Diabetes And Chronic Kidney Disease, Mayra Tisminetzky, David D. Mcmanus, Alon Dor, Ruben Miozzo, Jorge L. Yarzebski, Joel M. Gore, Robert J. Goldberg
Jorge L. Yarzebski
BACKGROUND: Despite the increasing magnitude and impact, there are limited data available on the clinical management and in-hospital outcomes of patients who have diabetes mellitus (DM) and chronic kidney disease (CKD) at the time of hospitalization for acute myocardial infarction (AMI). The objectives of our population-based observational study in residents of central Massachusetts were to describe decade-long trends (1999-2009) in the characteristics, in-hospital management, and hospital outcomes of AMI patients with and without these comorbidities.
METHODS: We reviewed the medical records of 6,018 persons who were hospitalized for AMI on a biennial basis between 1999 and 2009 at all eleven …
Magnitude Of And Prognostic Factors Associated With 1-Year Mortality After Hospital Discharge For Acute Decompensated Heart Failure Based On Ejection Fraction Findings, Andrew H. Coles, Mayra Tisminetzky, Jorge L. Yarzebski, Darleen M. Lessard, Joel M. Gore, Chad E. Darling, Robert J. Goldberg
Magnitude Of And Prognostic Factors Associated With 1-Year Mortality After Hospital Discharge For Acute Decompensated Heart Failure Based On Ejection Fraction Findings, Andrew H. Coles, Mayra Tisminetzky, Jorge L. Yarzebski, Darleen M. Lessard, Joel M. Gore, Chad E. Darling, Robert J. Goldberg
Jorge L. Yarzebski
BACKGROUND: Limited data exist about the magnitude of and the factors associated with prognosis within 1 year for patients discharged from the hospital after acute decompensated heart failure. Data are particularly limited from the more generalizable perspective of a population-based investigation and should be further stratified according to currently recommended ejection fraction (EF) findings.
METHODS AND RESULTS: The hospital medical records of residents of the Worcester, Massachusetts, metropolitan area who were discharged after acute decompensated heart failure from all 11 medical centers in central Massachusetts during 1995, 2000, 2002, 2004, and 2006 were reviewed. The average age of the 4025 …
Decade-Long Trends In 30-Day Rehospitalization Rates After Acute Myocardial Infarction, Han-Yang Chen, Mayra Tisminetzky, Kate L. Lapane, Jorge L. Yarzebski, Sharina D. Person, Catarina I. Kiefe, Joel Gore, Robert J. Goldberg
Decade-Long Trends In 30-Day Rehospitalization Rates After Acute Myocardial Infarction, Han-Yang Chen, Mayra Tisminetzky, Kate L. Lapane, Jorge L. Yarzebski, Sharina D. Person, Catarina I. Kiefe, Joel Gore, Robert J. Goldberg
Jorge L. Yarzebski
BACKGROUND: There are limited data available describing relatively contemporary trends in 30-day rehospitalizations among patients who survive hospitalization after an acute myocardial infarction (AMI) in the community setting. We examined decade-long (2001-2011) trends in, and factors associated with, 30-day rehospitalizations in patients discharged from 3 central Massachusetts hospitals after AMI. METHODS AND RESULTS: Residents of the Worcester, MA, metropolitan area discharged after AMI from 3 central Massachusetts hospitals on a biennial basis between 2001 and 2011 comprised the study population (N=4810). Logistic regression analyses were used to examine the association between selected factors and 30-day rehospitalizations. The average age of …
Introduction To Targeted Learning, Laura Balzer
Early Diagnosis Of Dengue Disease Severity In A Resource-Limited Asian Country, Philippe Cavailler, Arnaud Tarantola, Yee Sin Leo, Andrew A. Lover, Anne Rachline, Duch Moniboth, Rekol Huy, Ai Li Quake, Kdan Yuvatha, Veasna Duong, Jeremy L. Brett, Philippe Buchy
Early Diagnosis Of Dengue Disease Severity In A Resource-Limited Asian Country, Philippe Cavailler, Arnaud Tarantola, Yee Sin Leo, Andrew A. Lover, Anne Rachline, Duch Moniboth, Rekol Huy, Ai Li Quake, Kdan Yuvatha, Veasna Duong, Jeremy L. Brett, Philippe Buchy
Andrew Lover
Eliminate Now: Seven Critical Actions Required To Accelerate Elimination Of Plasmodium Falciparum Malaria In The Greater Mekong Subregion, Andrew A. Lover, Roly Gosling, Richard Feachem, Jim Tulloch
Eliminate Now: Seven Critical Actions Required To Accelerate Elimination Of Plasmodium Falciparum Malaria In The Greater Mekong Subregion, Andrew A. Lover, Roly Gosling, Richard Feachem, Jim Tulloch
Andrew Lover
Serological Evidence For Localized And Persistent Antibody Response In Zika Virus-Positive Neonates With Microcephaly (Brazil, 2015)- A Secondary Analysis, Andrew A. Lover
Andrew Lover
The Statistics Of Sensitivity Analyses, Alexander R. Luedtke, Ivan Diaz, Mark J. Van Der Laan
The Statistics Of Sensitivity Analyses, Alexander R. Luedtke, Ivan Diaz, Mark J. Van Der Laan
Alex Luedtke
Suppose one wishes to estimate a causal parameter given a sample of observations. This requires making unidentifiable assumptions about an underlying causal mechanism. Sensitivity analyses help investigators understand what impact violations of these assumptions could have on the causal conclusions drawn from a study, though themselves rely on untestable (but hopefully more interpretable) assumptions. Díaz and van der Laan (2013) advocate the use of a sequence (or continuum) of interpretable untestable assumptions of increasing plausibility for the sensitivity analysis so that experts can have informed opinions about which are true. In this work, we argue that using appropriate statistical procedures …
Ideas For A Healthy Baby--Reducing Disparities In Use Of Publicly Reported Quality Data: Study Protocol For A Randomized Controlled Trial, Sarah L. Goff, Penelope S. Pekow, Katharine O. White, Tara Lagu, Kathleen M. Mazor, Peter K. Lindenauer
Ideas For A Healthy Baby--Reducing Disparities In Use Of Publicly Reported Quality Data: Study Protocol For A Randomized Controlled Trial, Sarah L. Goff, Penelope S. Pekow, Katharine O. White, Tara Lagu, Kathleen M. Mazor, Peter K. Lindenauer
Sarah L. Goff MD
BACKGROUND: Publicly reported performance on quality measures is intended to enable patients to make more informed choices. Despite the growing availability of these reports, patients' use remains limited and disparities exist. Low health literacy and numeracy are two barriers that may contribute to these disparities. Patient navigators have helped patients overcome barriers such as these in other areas, such as cancer care and may prove useful for overcoming barriers to using publicly reported quality data. METHODS/DESIGN: The goals of this study are: to determine the efficacy of a patient navigator intervention to assist low-income pregnant women in the use of …
The Spatial Dynamics Of Dengue Virus In Kamphaeng Phet, Thailand, Piraya Bhoomiboonchoo, Robert V. Gibbons, Angkana Huang, In-Kyu Yoon, Darunee Buddhari, Ananda Nisalak, Natkamol Chansatiporn, Mathuros Thipayamongkolgul, Siripen Kalanarooj, Timothy Endy, Alan L. Rothman, Anon Srikiatkhachorn, Sharone Green, Mammen P. Mammen, Derek A. Cummings, Henrik Salje
The Spatial Dynamics Of Dengue Virus In Kamphaeng Phet, Thailand, Piraya Bhoomiboonchoo, Robert V. Gibbons, Angkana Huang, In-Kyu Yoon, Darunee Buddhari, Ananda Nisalak, Natkamol Chansatiporn, Mathuros Thipayamongkolgul, Siripen Kalanarooj, Timothy Endy, Alan L. Rothman, Anon Srikiatkhachorn, Sharone Green, Mammen P. Mammen, Derek A. Cummings, Henrik Salje
Sharone Green
BACKGROUND: Dengue is endemic to the rural province of Kamphaeng Phet, Northern Thailand. A decade of prospective cohort studies has provided important insights into the dengue viruses and their generated disease. However, as elsewhere, spatial dynamics of the pathogen remain poorly understood. In particular, the spatial scale of transmission and the scale of clustering are poorly characterized. This information is critical for effective deployment of spatially targeted interventions and for understanding the mechanisms that drive the dispersal of the virus.
METHODOLOGY/PRINCIPAL FINDINGS: We geocoded the home locations of 4,768 confirmed dengue cases admitted to the main hospital in Kamphaeng Phet …
Post-Operative Extended Volume External Beam Radiation Therapy Is Safe For High Risk Esophageal Cancer Patients, Edward Yu, Patricia Tai, Jawaid Younus, Richard Malthaner, Larry Stitt, Pauline Truong, George Rodrigues, Robert Ash, Rashid Dar, Anna Tomiak, Mark Vincent, Walter Kocha, Brian Dingle, Richard Inculet
Post-Operative Extended Volume External Beam Radiation Therapy Is Safe For High Risk Esophageal Cancer Patients, Edward Yu, Patricia Tai, Jawaid Younus, Richard Malthaner, Larry Stitt, Pauline Truong, George Rodrigues, Robert Ash, Rashid Dar, Anna Tomiak, Mark Vincent, Walter Kocha, Brian Dingle, Richard Inculet
Richard A. Malthaner
Post-operative radiation therapy (RT) (1) and post-operative chemoradiation (2) have been used for esophageal cancer patients deemed high risk for recurrence after esophagectomy. Defining opitmal RT target volume after esophagectomy is difficult due to significant changes in patient anatomy and function. Some radiationon cologists advocated the inclusion of the anastomotic site within the irradiation volume due to concerns for potential increased relapse risk, while others did not subscribe to this practice due to concerns for increased treatment related toxicity. We have previously reported patient outcome benefit using extended volume RT In management with high risk esophageal cancer patients underwent esopagectomy(3). …
Extended Vs. Small Field Irradiation In High Risk Post Esophagectomy Patients Receiving Combined Chemoradiation Therapy: A Decade Experience In Treatment Of Esophageal Cancer, Edward Yu, Patricia Tai, George Rodrigues, Robert Ash, Larry Stitt, Rashid A. Dar, Pauline Truong, Gregory M. Videtic, Richard Malthaner, Richard Inculet, Anna Tomiak, Jawaid Younus, Brian Dingle, Walter Kocha, Mark Vincent
Extended Vs. Small Field Irradiation In High Risk Post Esophagectomy Patients Receiving Combined Chemoradiation Therapy: A Decade Experience In Treatment Of Esophageal Cancer, Edward Yu, Patricia Tai, George Rodrigues, Robert Ash, Larry Stitt, Rashid A. Dar, Pauline Truong, Gregory M. Videtic, Richard Malthaner, Richard Inculet, Anna Tomiak, Jawaid Younus, Brian Dingle, Walter Kocha, Mark Vincent
Richard A. Malthaner
OBJECTIVE: To assess the impact of extended field irradiation with anastomotic coverage on local recurrence in high risk resected esophageal cancerpatients. METHODS: From 1989-1999, high risk resected esophageal cancer cases receiving post-resection chemoradiation were reviewed. Adjuvant chemotherapy consisted of four cycles of fluorouracil-based regimens. Loco-regional irradiation with or without coverage of anastomotic site had radiation a dose range from 45-60 Gyat 1.8-2.0 Gy/fraction given with initial anterior-posterior/posterior-anterior arrangement with either extended (with anastomotic coverage), or small (without anastomotic coverage) field followed by oblique fields for boost. RESULTS: One hundred eighty-eight charts were reviewed. Seventy-two patients were eligible for post-resection chemoradiation. …
The Role Of Radiation Therapy On Medically Inoperable Clinically Localized Non-Small Cell Lung Patients: London Regional Cancer Program (Lrcp) Clinical Experience, Michael Lee, Edward Yu, Robert Ash, Patricia Tai, Larry Stitt, George Rodrigues, Rashid Dar, Mark Vincent, Richard Inculet, Richard Malthaner
The Role Of Radiation Therapy On Medically Inoperable Clinically Localized Non-Small Cell Lung Patients: London Regional Cancer Program (Lrcp) Clinical Experience, Michael Lee, Edward Yu, Robert Ash, Patricia Tai, Larry Stitt, George Rodrigues, Rashid Dar, Mark Vincent, Richard Inculet, Richard Malthaner
Richard A. Malthaner
Lung cancer is the most frequent cause of cancer death in both men and women in North America. In 2006, an estimated 22,700 Canadians will be diagnosed with lung cancer and 19,300 will die of it (Canadian Cancer Statistics 2006). Approximately 15-20% of NSCLC patients present with early or localized disease. Surgical resection of T1-2N0 NSCLC remains the treatment of choice for this population, and results in a 5-year survival rate of 50-70%. Patients deemed medically inoperable have been treated with non-surgical therapies, such as radiation therapy(RT), while some patients have simply been observed without any tumor therapy because of …
Post-Operative Extended Volume External Beam Radiation Therapy Is Safe For High Risk Esophageal Cancer Patients, Edward Yu, Patricia Tai, Jawaid Younus, Richard Malthaner, Larry Stitt, Pauline Truong, George Rodrigues, Robert Ash, Rashid Dar, Anna Tomiak, Mark Vincent, Walter Kocha, Brian Dingle, Richard Inculet
Post-Operative Extended Volume External Beam Radiation Therapy Is Safe For High Risk Esophageal Cancer Patients, Edward Yu, Patricia Tai, Jawaid Younus, Richard Malthaner, Larry Stitt, Pauline Truong, George Rodrigues, Robert Ash, Rashid Dar, Anna Tomiak, Mark Vincent, Walter Kocha, Brian Dingle, Richard Inculet
Richard A. Malthaner
Post-operative radiation therapy (RT) (1) and post-operative chemoradiation (2) have been used for esophageal cancer patients deemed high risk for recurrence after esophagectomy. Defining opitmal RT target volume after esophagectomy is difficult due to significant changes in patient anatomy and function. Some radiationon cologists advocated the inclusion of the anastomotic site within the irradiation volume due to concerns for potential increased relapse risk, while others did not subscribe to this practice due to concerns for increased treatment related toxicity. We have previously reported patient outcome benefit using extended volume RT In management with high risk esophageal cancer patients underwent esopagectomy(3). …
Extended Vs. Small Field Irradiation In High Risk Post Esophagectomy Patients Receiving Combined Chemoradiation Therapy: A Decade Experience In Treatment Of Esophageal Cancer, Edward Yu, Patricia Tai, George Rodrigues, Robert Ash, Larry Stitt, Rashid A. Dar, Pauline Truong, Gregory M. Videtic, Richard Malthaner, Richard Inculet, Anna Tomiak, Jawaid Younus, Brian Dingle, Walter Kocha, Mark Vincent
Extended Vs. Small Field Irradiation In High Risk Post Esophagectomy Patients Receiving Combined Chemoradiation Therapy: A Decade Experience In Treatment Of Esophageal Cancer, Edward Yu, Patricia Tai, George Rodrigues, Robert Ash, Larry Stitt, Rashid A. Dar, Pauline Truong, Gregory M. Videtic, Richard Malthaner, Richard Inculet, Anna Tomiak, Jawaid Younus, Brian Dingle, Walter Kocha, Mark Vincent
Richard A. Malthaner
OBJECTIVE: To assess the impact of extended field irradiation with anastomotic coverage on local recurrence in high risk resected esophageal cancerpatients. METHODS: From 1989-1999, high risk resected esophageal cancer cases receiving post-resection chemoradiation were reviewed. Adjuvant chemotherapy consisted of four cycles of fluorouracil-based regimens. Loco-regional irradiation with or without coverage of anastomotic site had radiation a dose range from 45-60 Gyat 1.8-2.0 Gy/fraction given with initial anterior-posterior/posterior-anterior arrangement with either extended (with anastomotic coverage), or small (without anastomotic coverage) field followed by oblique fields for boost. RESULTS: One hundred eighty-eight charts were reviewed. Seventy-two patients were eligible for post-resection chemoradiation. …
The Role Of Radiation Therapy On Medically Inoperable Clinically Localized Non-Small Cell Lung Patients: London Regional Cancer Program (Lrcp) Clinical Experience, Michael Lee, Edward Yu, Robert Ash, Patricia Tai, Larry Stitt, George Rodrigues, Rashid Dar, Mark Vincent, Richard Inculet, Richard Malthaner
The Role Of Radiation Therapy On Medically Inoperable Clinically Localized Non-Small Cell Lung Patients: London Regional Cancer Program (Lrcp) Clinical Experience, Michael Lee, Edward Yu, Robert Ash, Patricia Tai, Larry Stitt, George Rodrigues, Rashid Dar, Mark Vincent, Richard Inculet, Richard Malthaner
Richard A. Malthaner
Lung cancer is the most frequent cause of cancer death in both men and women in North America. In 2006, an estimated 22,700 Canadians will be diagnosed with lung cancer and 19,300 will die of it (Canadian Cancer Statistics 2006). Approximately 15-20% of NSCLC patients present with early or localized disease. Surgical resection of T1-2N0 NSCLC remains the treatment of choice for this population, and results in a 5-year survival rate of 50-70%. Patients deemed medically inoperable have been treated with non-surgical therapies, such as radiation therapy(RT), while some patients have simply been observed without any tumor therapy because of …
Assessment Of Obesity As A Cardiovascular Disease Risk Factor In A Geriatric Rural Texas Community - A Six Month Follow-Up, Alberto Coustasse Md, Mba
Assessment Of Obesity As A Cardiovascular Disease Risk Factor In A Geriatric Rural Texas Community - A Six Month Follow-Up, Alberto Coustasse Md, Mba
Alberto Coustasse, DrPH, MD, MBA, MPH
Coustasse, Alberto, Assessment of Obesity as a Cardiovascular Disease Risk Factor in a Geriatric Rural Texas Community – A Six Month Follow-up. Master of Public Health Track, Public Health Administration, December 1999, 22 pp., 9 tables, 9 illustrations, bibliography, 7 titles. The health fair approach was used as a method to establish individual and population health status baselines and to provide a mechanism to follow-up with an elderly population in a rural Texas community. A controlled trial sample of forty-four seniors was initially screened in a primary care clinic in August 1998. Patients were reevaluated at six months and results …
Medical Advice And Diabetes Self-Management Reported By Mexican-American, Black- And White-Non-Hispanic Adults Across The United States, Joan A. Vaccaro, Daniel J. Feaster, Sandra L. Lobar, Marianna K. Baum, Marcia Magnus, Fatma G. Huffman
Medical Advice And Diabetes Self-Management Reported By Mexican-American, Black- And White-Non-Hispanic Adults Across The United States, Joan A. Vaccaro, Daniel J. Feaster, Sandra L. Lobar, Marianna K. Baum, Marcia Magnus, Fatma G. Huffman
Joan A. Vaccaro
Background
Diabetes has reached epidemic proportions in the United States, particularly among minorities, and if improperly managed can lead to medical complications and death. Healthcare providers play vital roles in communicating standards of care, which include guidance on diabetes self-management. The background of the client may play a role in the patient-provider communication process. The aim of this study was to determine the association between medical advice and diabetes self care management behaviors for a nationally representative sample of adults with diabetes. Moreover, we sought to establish whether or not race/ethnicity was a modifier for reported medical advice received and …
Case Studies In Evaluating Time Series Prediction Models Using The Relative Mean Absolute Error, Nicholas G. Reich, Justin Lessler, Krzysztof Sakrejda, Stephen A. Lauer, Sopon Iamsirithaworn, Derek A T Cummings
Case Studies In Evaluating Time Series Prediction Models Using The Relative Mean Absolute Error, Nicholas G. Reich, Justin Lessler, Krzysztof Sakrejda, Stephen A. Lauer, Sopon Iamsirithaworn, Derek A T Cummings
Nicholas G Reich
Statistical prediction models inform decision-making processes in many real-world settings. Prior to using predictions in practice, one must rigorously test and validate candidate models to ensure that the proposed predictions have sufficient accuracy to be used in practice. In this paper, we present a framework for evaluating time series predictions that emphasizes computational simplicity and an intuitive interpretation using the relative mean absolute error metric. For a single time series, this metric enables comparisons of candidate model predictions against naive reference models, a method that can provide useful and standardized performance benchmarks. Additionally, in applications with multiple time series, this …
Creating Healthy Community In The Postindustrial City, Brian A. Hoey