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1. Lobar Emphysema Distribution Is Associated With 5-Year Radiological Disease Progression

Author

Adel Boueiz, Yale Chang, Michael H. Cho, George R. Washko, Raul San José Estépar, Russell P. Bowler, James D. Crapo, Dawn L. DeMeo, Jennifer G. Dy, Edwin K. Silverman, Peter J. Castaldi, James Crapo, Edwin Silverman, Barry Make, Elizabeth Regan, Terri Beaty, Nan Laird, Christoph Lange, Stephanie Santorico, John Hokanson, Dawn DeMeo, Nadia Hansel, Craig Hersh, Peter Castaldi, Merry-Lynn McDonald, Emily Wan, Megan Hardin, Jacqueline Hetmanski, Margaret Parker, Marilyn Foreman, Brian Hobbs, Robert Busch, Dandi Qiao, Eitan Halper-Stromberg, Ferdouse Begum, Sungho Won, Sharon Lutz, David A. Lynch, Harvey O. Coxson, MeiLan K. Han, Eric A. Hoffman, Stephen Humphries, Francine L. Jacobson, Philip F. Judy, Ella A. Kazerooni, John D. Newell, James C. Ross, Raul José Estépar, Berend C. Stoel, Juerg Tschirren, Eva van Rikxoort, Bram van Ginneken, Carla G. Wilson, Mustafa Al Qaisi, Teresa Gray, Alex Kluiber, Tanya Mann, Jered Sieren, Douglas Stinson, Joyce Schroeder, Edwin Van Beek, Robert Jensen, Douglas Everett, Anna Faino, Matt Strand, Carla Wilson, John E. Hokanson, Gregory Kinney, Kendra Young, Katherine Pratte, Lindsey Duca, Jeffrey L. Curtis, Carlos H. Martinez, Perry G. Pernicano, Nicola Hanania, Philip Alapat, Venkata Bandi, Mustafa Atik, Aladin Boriek, Kalpatha Guntupalli, Elizabeth Guy, Amit Parulekar, Arun Nachiappan, Francine Jacobson, R. Graham Barr, Byron Thomashow, John Austin, Belinda D’Souza, Gregory D.N. Pearson, Anna Rozenshtein, Neil MacIntyre, Lacey Washington, H. Page McAdams, Charlene McEvoy, Joseph Tashjian, Robert Wise, Robert Brown, Karen Horton, Nirupama Putcha, Richard Casaburi, Alessandra Adami, Janos Porszasz, Hans Fischer, Matthew Budoff, Harry Rossiter, Amir Sharafkhaneh, Charlie Lan, Christine Wendt, Brian Bell, Gloria Westney, Eugene Berkowitz, Russell Bowler, David Lynch, Richard Rosiello, David Pace, Gerard Criner, David Ciccolella, Francis Cordova, Chandra Dass, Gilbert D’Alonzo, Parag Desai, Michael Jacobs, Steven Kelsen, Victor Kim, A. James Mamary, Nathaniel Marchetti, Aditi Satti, Kartik Shenoy, Robert M. Steiner, Alex Swift, Irene Swift, Maria Elena Vega-Sanchez, Mark Dransfield, William Bailey, J. Michael Wells, Surya Bhatt, Hrudaya Nath, Joe Ramsdell, Paul Friedman, Xavier Soler, Andrew Yen, Alejandro Cornellas, John Newell, Brad Thompson, MeiLan Han, Ella Kazerooni, Carlos Martinez, Joanne Billings, Tadashi Allen, Frank Sciurba, Divay Chandra, Joel Weissfeld, Carl Fuhrman, Jessica Bon, Antonio Anzueto, Sandra Adams, Diego Maselli-Caceres, and Mario E. Ruiz

Subjects
Male, Pulmonary and Respiratory Medicine, medicine.medical_specialty, Pathology, Genome-wide association study, Comorbidity, Critical Care and Intensive Care Medicine, Severity of Illness Index, Gastroenterology, 03 medical and health sciences, FEV1/FVC ratio, 0302 clinical medicine, Forced Expiratory Volume, Internal medicine, medicine, Humans, COPD, Distribution (pharmacology), 030212 general & internal medicine, Aged, business.industry, Middle Aged, respiratory system, medicine.disease, respiratory tract diseases, Pulmonary Emphysema, 030228 respiratory system, Genetic epidemiology, Radiological weapon, Cohort, Disease Progression, Inflammatory diseases Radboud Institute for Health Sciences [Radboudumc 5], Female, Metabolic syndrome, Tomography, X-Ray Computed, Cardiology and Cardiovascular Medicine, business, Rare cancers Radboud Institute for Health Sciences [Radboudumc 9]
Abstract

Contains fulltext : 194255.pdf (Publisher’s version ) (Open Access) BACKGROUND: Emphysema has considerable variability in its regional distribution. Craniocaudal emphysema distribution is an important predictor of the response to lung volume reduction. However, there is little consensus regarding how to define upper lobe-predominant and lower lobe-predominant emphysema subtypes. Consequently, the clinical and genetic associations with these subtypes are poorly characterized. METHODS: We sought to identify subgroups characterized by upper-lobe or lower-lobe emphysema predominance and comparable amounts of total emphysema by analyzing data from 9,210 smokers without alpha-1-antitrypsin deficiency in the Genetic Epidemiology of COPD (COPDGene) cohort. CT densitometric emphysema was measured in each lung lobe. Random forest clustering was applied to lobar emphysema variables after regressing out the effects of total emphysema. Clusters were tested for association with clinical and imaging outcomes at baseline and at 5-year follow-up. Their associations with genetic variants were also compared. RESULTS: Three clusters were identified: minimal emphysema (n = 1,312), upper lobe-predominant emphysema (n = 905), and lower lobe-predominant emphysema (n = 796). Despite a similar amount of total emphysema, the lower-lobe group had more severe airflow obstruction at baseline and higher rates of metabolic syndrome compared with subjects with upper-lobe predominance. The group with upper-lobe predominance had greater 5-year progression of emphysema, gas trapping, and dyspnea. Differential associations with known COPD genetic risk variants were noted. CONCLUSIONS: Subgroups of smokers defined by upper-lobe or lower-lobe emphysema predominance exhibit different functional and radiological disease progression rates, and the upper-lobe predominant subtype shows evidence of association with known COPD genetic risk variants. These subgroups may be useful in the development of personalized treatments for COPD.

Published
2018
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2. Marital Quality over the Transition to Parenthood as a Predictor of Coparenting

Author

Caroline Christopher, Tomo Umemura, Nancy Hazen, Deborah Jacobvitz, and Tanya Mann

Subjects
Coparenting, Latent growth modeling, media_common.quotation_subject, Direct effects, Marital relations, Affect (psychology), Developmental psychology, Marital satisfaction, Spouse, Developmental and Educational Psychology, Quality (business), Life-span and Life-course Studies, Psychology, media_common
Abstract

This study examined changes in first-time parents' marital quality over the transition to parenthood as predictors of their coparenting quality and mothers' and fathers' involvement in parenting and support of their spouse's coparenting. Mothers and fathers (N = 96 cou- ples) individually completed measures of marital conflict and satisfaction prenatally, at 8 months, and at 24 months. Triadic family interactions observed at 24 months were coded for coparenting quality (cooperative and competitive coparenting), and coparenting dynamics (fathers' involve- ment in parenting, mothers' involvement in parenting, fa- thers' support of mothers' parenting, and mothers' support of fathers' parenting). Latent growth curve modeling demonstrated that declines in fathers' marital satisfaction predicted higher competitive coparenting and lower father involvement in parenting, and increases in fathers' marital conflict predicted lower cooperative coparenting. Increases in mothers' marital conflict predicted mothers' lower sup- port of fathers' parenting. Thus, declines in fathers' marital quality may have more direct effects on coparenting quality, whereas declines in mothers' marital quality may indirectly affect coparenting through mothers' support of their spouse's parenting.

Published
2015
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3. Genetic Association and Risk Scores in a Chronic Obstructive Pulmonary Disease Meta-analysis of 16,707 Subjects

Author

Robert Busch, Brian D. Hobbs, Jin Zhou, Peter J. Castaldi, Michael J. McGeachie, Megan E. Hardin, Iwona Hawrylkiewicz, Pawel Sliwinski, Jae-Joon Yim, Woo Jin Kim, Deog K. Kim, Alvar Agusti, Barry J. Make, James D. Crapo, Peter M. Calverley, Claudio F. Donner, David A. Lomas, Emiel F. Wouters, Jørgen Vestbo, Ruth Tal-Singer, Per Bakke, Amund Gulsvik, Augusto A. Litonjua, David Sparrow, Peter D. Paré, Robert D. Levy, Stephen I. Rennard, Terri H. Beaty, John Hokanson, Edwin K. Silverman, Michael H. Cho, James Crapo, Edwin Silverman, Barry Make, Elizabeth Regan, Terri Beaty, Nan Laird, Christoph Lange, Michael Cho, Stephanie Santorico, Dawn DeMeo, Nadia Hansel, Craig Hersh, Peter Castaldi, Merry-Lynn McDonald, Emily Wan, Megan Hardin, Jacqueline Hetmanski, Margaret Parker, Marilyn Foreman, Brian Hobbs, Adel El-Bouiez, Dandi Qiao, Eitan Halper-Stromberg, Ferdouse Begum, Sungho Won, Sharon Lutz, David A. Lynch, Harvey O. Coxson, MeiLan K. Han, Eric A. Hoffman, Stephen Humphries, Francine L. Jacobson, Philip F. Judy, Ella A. Kazerooni, John D. Newell, James C. Ross, Raul San Jose Estepar, Berend C. Stoel, Juerg Tschirren, Eva van Rikxoort, Bram van Ginneken, George Washko, Carla G. Wilson, Mustafa Al Qaisi, Teresa Gray, Alex Kluiber, Tanya Mann, Jered Sieren, Douglas Stinson, Joyce Schroeder, Edwin Van Beek, Robert Jensen, Douglas Everett, Anna Faino, Matt Strand, Carla Wilson, John E. Hokanson, Gregory Kinney, Kendra Young, Katherine Pratte, Lindsey Duca, Jeffrey L. Curtis, Carlos H. Martinez, Perry G. Pernicano, Nicola Hanania, Philip Alapat, Venkata Bandi, Mustafa Atik, Aladin Boriek, Kalpatha Guntupalli, Elizabeth Guy, Amit Parulekar, Arun Nachiappan, Francine Jacobson, R. Graham Barr, Byron Thomashow, John Austin, Belinda D'Souza, Gregory D. N. Pearson, Anna Rozenshtein, Neil MacIntyre, Lacey Washington, H. Page McAdams, Charlene McEvoy, Joseph Tashjian, Robert Wise, Robert Brown, Karen Horton, Nirupama Putcha, Richard Casaburi, Alessandra Adami, Janos Porszasz, Hans Fischer, Matthew Budoff, Harry Rossiter, Amir Sharafkhaneh, Charlie Lan, Christine Wendt, Brian Bell, Gloria Westney, Eugene Berkowitz, Russell Bowler, David Lynch, Richard Rosiello, David Pace, Gerard Criner, David Ciccolella, Francis Cordova, Chandra Dass, Gilbert D'Alonzo, Parag Desai, Michael Jacobs, Steven Kelsen, Victor Kim, A. James Mamary, Nathaniel Marchetti, Aditi Satti, Kartik Shenoy, Robert M. Steiner, Alex Swift, Irene Swift, Maria Elena Vega-Sanchez, Mark Dransfield, William Bailey, J. Michael Wells, Surya Bhatt, Hrudaya Nath, Joe Ramsdell, Paul Friedman, Xavier Soler, Andrew Yen, Alejandro Comellas, John Newell, Brad Thompson, MeiLan Han, Ella Kazerooni, Carlos Martinez, Joanne Billings, Tadashi Allen, Frank Sciurba, Divay Chandra, Joel Weissfeld, Carl Fuhrman, Jessica Bon, Antonio Anzueto, Sandra Adams, Diego Maselli-Caceres, Mario E. Ruiz, Jaume Sauleda, Peter M. A. Calverley, Stephen Rennard, Y. Ivanov, K. Kostov, J. Bourbeau, M. Fitzgerald, P. Hernandez, K. Killian, R. Levy, F. Maltais, D. O'Donnell, J. Krepelka, J. Vestbo, E. Wouters, D. Quinn, P. Bakke, M. Kosnik, A. Agusti, J. Sauleda, Y. Feschenko, V. Gavrisyuk, L. Yashina, N. Monogarova, P. Calverley, D. Lomas, W. MacNee, D. Singh, J. Wedzicha, A. Anzueto, S. Braman, R. Casaburi, B. Celli, G. Giessel, M. Gotfried, G. Greenwald, N. Hanania, D. Mahler, B. Make, S. Rennard, C. Rochester, P. Scanlon, D. Schuller, F. Sciurba, A. Sharafkhaneh, T. Siler, E. Silverman, A. Wanner, R. Wise, R. ZuWallack, H. Coxson, C. Crim, L. Edwards, R. Tal Singer, J. Yates, B. Miller, R. Tal-Singer, J. Benditt, G. Criner, M. DeCamp, P. Diaz, M. Ginsburg, L. Kaiser, M. Katz, M. Krasna, N. MacIntyre, R. McKenna, F. Martinez, Z. Mosenifar, J. Reilly, A. Ries, J. Utz, RS: NUTRIM - R3 - Respiratory & Age-related Health, Pulmonologie, MUMC+: MA Longziekten (3), and RS: NUTRIM - R3 - Chronic inflammatory disease and wasting

Subjects
0301 basic medicine, Male, Clinical Biochemistry, EMPHYSEMA, SUSCEPTIBILITY, AIR-FLOW OBSTRUCTION, Pulmonary Disease, Chronic Obstructive, Risk Factors, Medicine, EPIDEMIOLOGY, Genetic epidemiology, Original Research, COPD, COMPLEX DISEASE, RECLASSIFICATION, Chronic obstructive pulmonary disease, Middle Aged, Genetic risk score, Respiratory Function Tests, LUNG-FUNCTION, Genetic risk factors, alpha-1 antitrypsin, Meta-analysis, Female, SMOKING, Pulmonary and Respiratory Medicine, medicine.medical_specialty, genetic epidemiology, Pulmonary disease, Single-nucleotide polymorphism, genetic risk score, chronic obstructive pulmonary disease, 03 medical and health sciences, Internal medicine, Genetic variation, genetic risk factors, Humans, Genetic Predisposition to Disease, GENOME-WIDE ASSOCIATION, Molecular Biology, Genotyping, Genetic association, Aged, business.industry, Cell Biology, Heritability, medicine.disease, respiratory tract diseases, 030104 developmental biology, Physical therapy, business, Genome-Wide Association Study
Abstract

The heritability of chronic obstructive pulmonary disease (COPD) cannot be fully explained by recognized genetic risk factors identified as achieving genome-wide significance. In addition, the combined contribution of genetic variation to COPD risk has not been fully explored. We sought to determine: (1) whether studies of variants from previous studies of COPD or lung function in a larger sample could identify additional associated variants, particularly for severe COPD; and (2) the impact of genetic risk scores on COPD. We genotyped 3,346 single-nucleotide polymorphisms (SNPs) in 2,588 cases (1,803 severe COPD) and 1,782 control subjects from four cohorts, and performed association testing with COPD, combining these results with existing genotyping data from 6,633 cases (3,497 severe COPD) and 5,704 control subjects. In addition, we developed genetic risk scores from SNPs associated with lung function and COPD and tested their discriminatory power for COPD-related measures. We identified significant associations between SNPs near PPIC (P = 1.28 X 10(-8)) and PPP4R4/SERPINA1 (P = 1.01 X 10(-8)) and severe COPD; the latter association may be driven by recognized variants in SERPINA1. Genetic risk scores based on SNPs previously associated with COPD and lung function had a modest ability to discriminate COPD (area under the curve, similar to 0.6), and accounted for a mean 0.9-1.9% lower forced expiratory volume in 1 second percent predicted for each additional risk allele. In a large genetic association analysis, we identified associations with severe COPD near PPIC and SERPINA1. A risk score based on combining genetic variants had modest, but significant, effects on risk of COPD and lung function.

Published
2017
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4. Prediction of Acute Respiratory Disease in Current and Former Smokers With and Without COPD

Author

Lacey Washington, Kalpalatha K. Guntupalli, John Newell, Adam L. Friedlander, Joyce D. Schroeder, Rebecca Leek, Robert H. Brown, Tadashi Allen, Edwin K. Silverman, Barry J. Make, Douglas Stinson, Stephanie A. Santorico, Richard Rosiello, Neil R. MacIntyre, David A. Lynch, Tanya Mann, Deborah L. Thompson, Joel L. Weissfeld, J. Michael Wells, William Lunn, Jeffrey L. Curtis, Edwin J R van Beek, Dawn L. DeMeo, Francine L. Jacobson, Antara Mallampalli, Matthew J. Budoff, Philip Alapat, Robert O. Crapo, Raúl San José Estépar, Carlos Orozco, Geoffrey McLennan, Nan M. Laird, Iuliana Ionita, Barbara J. Klanderman, Harvey O. Coxson, Peter Bercz, Craig P. Hersh, George R. Washko, H. Page McAdams, Paul Ferguson, R. Graham Barr, Robert M. Steiner, Anastasia Rodionova, Elizabeth Guy, Amir Sharafkhaneh, Dennis E. Niewoehner, Hans Fischer, Victor Kim, Hrudaya Nath, Kathryn L. Rice, John P. Reilly, Charles Trinh, John H. M. Austin, Douglas Everett, C. Santiago Restrepo, Joseph H. Tashjian, John E. Hokanson, Richard Casaburi, Robert L. Jensen, Fernando J. Martinez, Mark T. Dransfield, James Murphy, Antonio Anzueto, Jessica Bon, Gloria Westney, Terri H. Beaty, Lynn B. Gerald, Nicola A. Hanania, Chandra Dass, Alejandro P. Comellas, Alex Kluiber, Xavier Soler, Joe W. Ramsdell, Frank C. Sciurba, Philip F. Judy, Elizabeth A. Regan, Jordan A. Zach, Jonathan M. Samet, MeiLan K. Han, Janos Porszasz, Eric Hoff Man, Andre Williams, Mustafa A. Atik, Gerard J. Criner, Paul A. Friedman, Carl R. Fuhrman, Marilyn G. Foreman, Timothy Bresnahan, Nadia N. Hansel, Amy Willis, Sandra G. Adams, Eleonora Meoni, William C. Bailey, A. James Mamary, Carla Wilson, Christoph Lange, James D. Crapo, Christine H. Wendt, Eugene Berkowitz, Russell P. Bowler, Amy L Mumbower, Charlene McEvoy, Robert A. Wise, Venkata Bandi, Ella A. Kazerooni, Nathaniel Marchetti, Homayoon Farzadegan, Aditi Satti, and Byron Thomashow

Subjects
Male, Pulmonary and Respiratory Medicine, Chronic Obstructive, medicine.medical_specialty, Exacerbation, Chronic Obstructive Pulmonary Disease, Respiratory Tract Diseases, Clinical Sciences, Respiratory System, Critical Care and Intensive Care Medicine, Pulmonary Disease, Pulmonary Disease, Chronic Obstructive, Risk Factors, Clinical Research, Internal medicine, medicine, Humans, Longitudinal Studies, Intensive care medicine, Lung, Original Research, Proportional Hazards Models, Aged, First episode, COPD, Framingham Risk Score, Proportional hazards model, business.industry, Incidence, Smoking, Hazard ratio, Respiratory disease, Middle Aged, medicine.disease, United States, respiratory tract diseases, Hospitalization, Good Health and Well Being, Acute Disease, Cohort, Quality of Life, Respiratory, Female, Cardiology and Cardiovascular Medicine, business, Follow-Up Studies
Abstract

BACKGROUND The risk factors for acute episodes of respiratory disease in current and former smokers who do not have COPD are unknown. METHODS Eight thousand two hundred forty-six non-Hispanic white and black current and former smokers in the Genetic Epidemiology of COPD (COPDGene) cohort had longitudinal follow-up (LFU) every 6 months to determine acute respiratory episodes requiring antibiotics or systemic corticosteroids, an ED visit, or hospitalization. Negative binomial regression was used to determine the factors associated with acute respiratory episodes. A Cox proportional hazards model was used to determine adjusted hazard ratios (HRs) for time to first episode and an acute episode of respiratory disease risk score. RESULTS At enrollment, 4,442 subjects did not have COPD, 658 had mild COPD, and 3,146 had moderate or worse COPD. Nine thousand three hundred three acute episodes of respiratory disease and 2,707 hospitalizations were reported in LFU (3,044 acute episodes of respiratory disease and 827 hospitalizations in those without COPD). Major predictors included acute episodes of respiratory disease in year prior to enrollment (HR, 1.20; 95% CI, 1.15-1.24 per exacerbation), airflow obstruction (HR, 0.94; 95% CI, 0.91-0.96 per 10% change in % predicted FEV 1 ), and poor health-related quality of life (HR, 1.07; 95% CI, 1.06-1.08 for each 4-unit increase in St. George's Respiratory Questionnaire score). Risks were similar for those with and without COPD. CONCLUSIONS Although acute episode of respiratory disease rates are higher in subjects with COPD, risk factors are similar, and at a population level, there are more episodes in smokers without COPD.

Published
2014
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5. Relationship between quantitative CT metrics and health status and BODE in chronic obstructive pulmonary disease

Author

James Murphy, Edwin J. R. van Beek, Eugene Berkowitz, Carlos Orozco, Venkata Bandi, Robert M. Steiner, Shivam Chandan, Stephanie A. Santorico, Joel L. Weissfeld, Kalpalatha K. Guntupalli, Matthew J. Budoff, Robert H. Brown, Charles Trinh, Ya Hong Chen, Phillip M. Westgate, John D. Newell, Gloria Westney, Raúl San José Estépar, Russell P. Bowler, Geoffrey McLennan, Robert A. Wise, Ella A. Kazerooni, Nathaniel Marchetti, John H. M. Austin, Harvey O. Coxson, Douglas Everett, Joseph H. Tashjian, Antonio Anzueto, Joe Piccoli, Homayoon Farzadegan, Richard Casaburi, Michael H. Cho, Philip Alapat, Charlene McEvoy, Sandra G. Adams, Marilyn G. Foreman, R. Graham Barr, Jessica Bon, Fernando J. Martinez, Susan Murray, Nadia N. Hansel, Paul J. Friedman, Francine L. Jacobson, Ruthie Knowles, Verity McArthur, Jennifer L. Black-Shinn, Joe W. Ramsdell, Janos Porszasz, Martina Wamboldt, Chandra Dass, Terri H. Beaty, John J. Reilly, Timothy Bresnahan, Hans Fischer, Jordan A. Zach, Victor Kim, Jacqueline B. Hetmanski, Elizabeth Guy, Dzimitry Kazlouski, Stacey Meyerer, Eric A. Hoffman, Philip F. Judy, Sarah Moyle, Adam L. Friedlander, Frank C. Sciurba, Brad H. Thompson, Mark T. Dransfield, Tanda Murray, Michael E. DeBakey, Margaret Forbes, Nicola A. Hanania, Gregory L. Kinney, Barbara J. Klanderman, Mustafa A. Atik, Gerard J. Criner, Christine H. Wendt, Dwight C. Look, James D. Crapo, Elizabeth A. Regan, Hirani Kamal, Andrew Allen, Anastasia Rodionova, Amber Powell, Heather Baumhauer, Quentin Anderson, Aditi Satti, Dennis E. Niewoehner, John E. Hokanson, Marci K. Sontag, William C. Bailey, Lyrica X. Liu, Hrudaya Nath, Neil R. MacIntyre, David A. Lynch, Kathryn L. Rice, Samantha Bragan, Barry J. Make, Byron Thomashow, Douglas Stinson, Jered Sieren, Richard Rosiello, Roham Darvishi, Robert L. Jensen, Tanya Mann, Lacey Washington, Gregory B. Diette, Christoph Lange, Mario E. Ruiz, Jeffrey L. Curtis, Joyce D. Schroeder, Antara Mallampalli, Tadashi Allen, Rebecca Leek, Nan M. Laird, Craig P. Hersh, George R. Washko, H. Page McAdams, Amir Sharafkhaneh, Alex Kluiber, MeiLan K. Han, Carl R. Fuhrman, A. James Mamary, Carla Wilson, James C. Ross, Carlos H. Martinez, Edwin K. Silverman, Dawn L. DeMeo, and Maura Robinson

Subjects
Male, Pulmonary and Respiratory Medicine, Spirometry, medicine.medical_specialty, Health Status, Body Mass Index, Pulmonary Disease, Chronic Obstructive, Surveys and Questionnaires, Internal medicine, Hounsfield scale, medicine, Humans, Lung emphysema, Lung, Aged, Aged, 80 and over, Emphysema, COPD, medicine.diagnostic_test, business.industry, Middle Aged, respiratory system, medicine.disease, humanities, Obstructive lung disease, respiratory tract diseases, Dyspnea, medicine.anatomical_structure, Multivariate Analysis, Cardiology, Physical therapy, Regression Analysis, Female, Tomography, X-Ray Computed, Airway, business, Body mass index
Abstract

The value of quantitative CT (QCT) to identify chronic obstructive pulmonary disease (COPD) phenotypes is increasingly appreciated. The authors hypothesised that QCT-defined emphysema and airway abnormalities relate to St George's Respiratory Questionnaire (SGRQ) and Body-Mass Index, Airflow Obstruction, Dyspnea and Exercise Capacity Index (BODE).1200 COPDGene subjects meeting Global Initiative for Chronic Obstructive Lung Disease (GOLD) criteria for COPD with QCT analysis were included. Total lung emphysema was measured using the density mask technique with a -950 Hounsfield unit threshold. An automated programme measured mean wall thickness (WT), wall area percentage (WA%) and 10 mm lumenal perimeter (pi10) in six segmental bronchi. Separate multivariate analyses examined the relative influence of airway measures and emphysema on SGRQ and BODE.In separate models predicting SGRQ score, a 1 unit SD increase in each airway measure predicted higher SGRQ scores (for WT, 1.90 points higher, p=0.002; for WA%, 1.52 points higher, p=0.02; for pi10, 2.83 points higher p0.001). The comparable increase in SGRQ for a 1 unit SD increase in emphysema percentage in these models was relatively weaker, significant only in the pi10 model (for emphysema percentage, 1.45 points higher, p=0.01). In separate models predicting BODE, a 1 unit SD increase in each airway measure predicted higher BODE scores (for WT, 1.07-fold increase, p0.001; for WA%, 1.20-fold increase, p0.001; for pi10, 1.16-fold increase, p0.001). In these models, emphysema more strongly influenced BODE (range 1.24-1.26-fold increase, p0.001).Emphysema and airway disease both relate to clinically important parameters. The relative influence of airway disease is greater for SGRQ; the relative influence of emphysema is greater for BODE.

Published
2012
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6. Representations of Marriage and Expectations of Parenthood: Predictors of Supportive Coparenting for First-Time Parents

Author

Melissa A. Curran, Nancy Hazen, and Tanya Mann

Subjects
Coparenting, Social Psychology, Spouse, Developmental and Educational Psychology, Psychology, Social psychology, Education, Developmental psychology
Abstract

SYNOPSIS Objective. We examine how spouses' representations of marriage and expectations about first-time parenthood predict support of the other spouse's parenting in postpartum triadic family interactions. Design. Prenatally, spouses' representations of marriage were assessed based on the content and insightfulness of memories from their parents' marriage, and spouses also rated their expectations about parenthood. At 24 months postpartum, partners were each rated on support of their spouse's parenting. Results. In general, individuals' higher expectations that their personal well-being would improve following first-time parenthood predicted lower support of the partners' parenting. But this effect was modified by individuals' marital representations, indicating that potential disillusionment due to unrealistically high expectations may be mitigated by having the insight to learn from the negative marital relationships of one's parents. Conclusions. What partners bring to the transition to parenthood, i...

Published
2009
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7. Reimagining Multiliteracies for Science and Mathematics Teacher Candidates during the Pandemic

Author

Tanya Manning-Lewis and Kathy Sanford

Subjects
Multiliteracy, teacher-candidates, math, science, pandemic, online, Theory and practice of education, LB5-3640, Language and Literature
Abstract

The researchers used a duo-ethnographic approach to examine mathematics and science teacher-candidates (TCs) experiences with a Multiliteracies Across the Curriculum course during the pandemic and how the shift to online delivery impacted their attitudes. Through one researcher’s course reflections and students’ anonymous course survey comments in 2020, the research revealed that some TCs lack of exposure to literacy-based teaching impacted their literacy identities and initial resistance to the course. However, the shift to online learning, increased course relevance, exposure to diverse online methodologies and multiliterate tools seemed to have positively impacted mathematics and science TCs attitudes toward Multiliteracies Across the Curriculum compared to previous years.

Published
2022
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