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1. Long-Term Results After Lung Volume Reduction Surgery: A Single Institution’s Experience

Author

Daniel Mansour, Susan D. Moffatt-Bruce, Philip T. Diaz, Sheri Shimizu-Saito, Chelsea R. Horwood, Mahmoud Abdel-Rasoul, Mahasti Rittinger, Gregory A. Metzger, Rishav Aggarwal, and Jing Han

Subjects
Male, Pulmonary and Respiratory Medicine, medicine.medical_specialty, Kaplan-Meier Estimate, 030204 cardiovascular system & hematology, Lung volume reduction surgery, Risk Assessment, Severity of Illness Index, Cohort Studies, Hospitals, University, 03 medical and health sciences, 0302 clinical medicine, Quality of life, Internal medicine, Confidence Intervals, Humans, Medicine, Registries, Pneumonectomy, Survival rate, Aged, Ohio, Retrospective Studies, business.industry, Mortality rate, Retrospective cohort study, Middle Aged, Confidence interval, Respiratory Function Tests, Survival Rate, Treatment Outcome, Pulmonary Emphysema, 030228 respiratory system, Cohort, Female, Surgery, Tomography, X-Ray Computed, Cardiology and Cardiovascular Medicine, business, Cohort study
Abstract

Background The National Emphysema Treatment Trial (NETT) showed a clear survival and quality of life benefit for patients selected for lung volume reduction surgery (LVRS). However, long-term outcomes after LVRS are still lacking. The aim of this study was to evaluate overall mortality and functional durability in this single-institution cohort of patients undergoing LVRS. Methods A single-institution registry identified all patients who had undergone LVRS from January 2006 through August 2017. Records were retrospectively reviewed, and data were collected to include pulmonary functions test values, he University of California, San Diego shortness of breath questionnaire and complication and mortality rate. Results LVRS was performed in 135 patients with a 2.2% 90-day mortality rate (n = 3). Estimated 1-, 2- and 5-year survival was 0.94 (95% confidence interval [CI], 0.88 to 0.97), 0.91 (95% CI, 0.83 to 0.95), and 0.71 (95% CI, 0.57 to 0.81), respectively. Mean improvement in forced expiratory volume in 1 second% predicted from preoperative baseline at 1 and 2 years was 5.3 (95% CI, 3.1 to 7.4) and 4.3 (95% CI, 1.9 to 6.6), respectively. There was a mean improvement in maximum workload of 5.2 W (95% CI, 0.9 to 9.4) at 1 year. Also, shortness of breath questionnaire scores had a mean decrease of −17.3 points (95% CI, −21.8 to −13) at 6 months and −13.9 points (95% CI, −18.4 to −9.3) at 1 year. Conclusions LVRS is an effective operation with overall improvement in functional status and quality of life in appropriately selected patients.

Published
2019
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2. CT Metrics of Airway Disease and Emphysema in Severe COPD

Author

James Walter, David Godwin, Joyce Canterbury, Thomas E. Hartman, Yen Pin Chiang, Jeanne Smith, John J. Reilly, Hope Livingston, Abby M. Krichman, Mahasti Rittinger, Karma L. Kreizenbeck, Kymberley Anable, Ameena Al-Amin, Colleen Witt, Karen McVearry, Claude Deschamps, Selim M. Arcasoy, Liz Roessler, James K. Stoller, Yahya M. Berkmen, Paul J. Friedman, Enrique Fernandez, Laura Kotler-Klein, Chris Piker, Robert E. Hyatt, Mark J. Krasna, Priscilla McCreight, Jo Anna Baldwin, Jennifer M Lamb, Francisco Alvarez, Janet R. Maurer, Rodney Simcox, Gerald O'Brien, Iris Moskowitz, Marianne C. Fahs, Judd Gurney, A. Mark Fendrick, Mike Mantinaos, Sanjay Kalra, Robert M. Kaplan, Kevin R. Flaherty, Timothy Gilbert, James K. Garrett, Kathy Mieras, Kapreena Owens, Trina Limberg, Patricia Belt, Rolf D. Hubmayr, Roger Barnette, James Carter, Phillip M. Boiselle, Brian Woodcock, Anne Marie Kuzma, Brian F. Mullan, Dean Follmann, Mary Ellen Kleinhenz, Judith Harle, Ubaldo J. Martin, Bonnie Edwards, Fernando I. Martinez, Sandy Do, Alejandro A. Diaz, F.C. Sciurba, William Russell, David J. Sugarbaker, Theresa Alcorn, Susan Borosh, Patricia McDowell, Carolyn Wheeler, Blake Wood, Edwin K. Silverman, Alan J. Moskowitz, John F. Plankeel, William F. Bria, Susan Clark, Patricia Ward, Scott D. Ramsey, Barry J. Make, David H Kupferberg, Chinh T. Q. Nguyen, Stanley Aukberg, Elisabeth L. George, Steven Piantadosi, Geoffrey McLennan, Carl D. Mottram, Martin Zamora, Marvin Pomerantz, Ella A. Kazerooni, Jennifer Propst, Bessie Kachulis, Carol Fanning, Valentina Yegyan, Kenneth Silver, James P. Kiley, Sabine Duffy, David H. Harpole, Junfeng Guo, Donald C. Oxorn, Andrew L. Ries, Paramjit Gill, Bruce H. Culver, Todd M. Officer, Catherine Wood Larsen, John Hansen-Flaschen, Patrick Ross, Mindi Steiger, Lori Hanson, Rose Butanda, Paul F. Simonelli, Neil W. Brister, Amy Chong, Charles L. White, Eric A. Jensen, Cynthia Raymond, Mark K. Ferguson, Moulay Meziane, Mary Milburn-Barnes, James D. Luketich, Douglas E. Wood, A. John McSweeny, Woo Jin Kim, Kim Stavrolakes, John A. Waldhausen, Gregory L. Aughenbaugh, Chul Kwak, Sara L. Bartling, Joan Osterloh, Larry R. Kaiser, John S. Howe, Michael I. Lewis, Andrew Bowdle, Mark A. Gerhardt, Richard O'Connell, Brian R. Lawlor, Neil R. MacIntyre, David A. Lynch, Milton Joyner, Louie Boitano, James P. Utz, Everett Hood, Paul J. Smith, Joshua O. Benditt, John Apostolakis, Frances L. Brogan, Robert McKenna, Berend Mets, Phyllis Dibbern, Kevin Carney, Joan M. Lacomis, Kevin McCarthy, A. Laurie Shroyer, Mitchell K. O’Shea, Barry Make, Dora Greene, Janice Willey, Catherine Ramirez, Gwendolyn B. Vance, Philip R. Karsell, David DeMets, Angela DiMango, Peter Rising, Erik J. Kraenzler, Michael F. Keresztury, Laurie Ney Silfies, Michael Magliocca, Vivian Knieper, Betsy Ann Bozzarello, Marlene Edgar, Madelina Lorenzon, Deb Andrist, Sophia Chatziioannou, Darryl Atwell, Sally Frese, Ruth Etzioni, Stephen I. Marglin, Maria Shiau, Thomas Schroeder, Vincent J. Carey, Vladmir Formanek, Robert Levine, Cindy Chwalik, David Rittinger, Kenneth Martay, Brett A. Simon, Nancy Kurokawa, Anne L. Fuhlbrigge, Peter J. Julien, Michelle T. Toshima, Sean D. Sullivan, Joanne Deshler, Margaret Wu, Anthony Norris, David A. Lipson, Scott J. Swanson, Diane Lockhart, Omar A. Minai, Joseph l. Reeves-Viets, Raed A. Dweik, Keith S. Naunheim, Angela Delsing, Minnie Ellisor, Jane Whalen-Price, Victor F. Tapson, Leonard Rossoff, Susan M. Peterson, Deborah Nowakowski, David M. Shade, Susanne Snedeker, Susan Craemer, Anne Marie G. Sykes, Jennifer Norten, Manmohan S. Biring, Diane C. Strollo, Beth Elliot, Kedren Williams, Heather Sheaffer, Sheila Shearer, Robert P. Hoffman, Robert Quaife, J. Mendez, Donald A. Mahler, Janice Cook-Granroth, Scott Marlow, Zab Mosenifar, Malcolm M. DeCamp, Paul J. Christensen, Rosetta Jackson, Wissam Chatila, Robert Schilz, Glenda DeMercado, Peter B. O'Donovan, Kimberly Dubose, Robert J. Keenan, Satoshi Furukawa, Theodore Kopp, Gerald T. Ayres, Betty Collison, Stephen J. Swensen, Jennifer Stone-Wynne, Nicole Jenson, Stanley S. Siegelman, Tina Bees, Owen B. Wilson, R. Duane Davis, Pierre A. DeVilliers, Marcia Katz, Carolyn M. Clancy, Eddie L. Hoover, Bryan Benedict, Karen Kirsch, Philip M. Hartigan, Simon C. Body, Mark Stafford-Smith, David A. Zisman, Jeanne M. Hoffman, Fernando J. Martinez, Clarence Weir, Jeffrey D. Edelman, William Stanford, Zab Mohsenifar, Michael P. Donahoe, Michele Donithan, Catherine A. Meldrum, William A. Slivka, Lori Zaremba, Michael W. Smith, Martin D. Abel, Robert B Gerber, Sarah Hooper, Steven M. Scharf, Karen A. Hanson, Katherine P. Grichnik, J. Sanford Schwartz, Margaret L. Snyder, Charles J. Hearn, Joe Chin, Tammy Ojo, Gregory D.N. Pearson, Vera Edmonds, George R. Washko, Christine Young, Jennifer Minkoff-Rau, Ron Daniele, Chun Yip, Gregory L. Foster, Harold I. Palevsky, Joan E. Sexton, Dev Pathak, Pamela Fox, Paul E. Kazanjian, Karen King, Jacqueline Pfeffer, Imran Nizami, Judith Wagner, Catherine Wrona, John H. M. Austin, Karla Conejo-Gonzales, Sharon Bendel, Amir Sharafkhaneh, Carol Geaga, Denise Vilotijevic, Thomas H. Sisson, Steven H. Sheingold, Ryan Colvin, Elaine Baker, Karen Collins, Charles F. Emery, Mark Ginsburg, Abass Alavi, David D. Frankville, Joseph M. Reinhardt, Jan Drake, John M. Travaline, Rafael Espada, Kathy Lautensack, Leslie E. Quint, Jeffrey T. Chapman, Rosemary Lann, Steven M. Berkowitz, Alice L. Sternberg, Thurman Gillespy, Nadia Howlader, Frank J. Papatheofanis, Robert Frantz, Manuel L. Brown, Sarah Shirey, Yvonne Meli, Andra E. Ibrahim, Patricia A. Jellen, Rebecca Crouch, Warren B. Gefter, Michael J. Reardon, Jonathan B. Orens, Neal S. Kleiman, Marilyn L. Moy, Daniel L. Miller, Julie Fuller, Reuben M. Cherniack, Claudette Sikora, Lynn Bosco, Harry Handelsman, R. Edward Coleman, Judith M. Aronchick, James Tonascia, Delmar J. Gillespie, Patricia Berkoski, David P. Kapelanski, Cesar A. Keller, Amanda L. Blackford, Charles C. Miller, Kelly M. Campbell, Jill Meinert, Carl R. Fuhrman, Gordon R. Bernard, Connie Hudson, Roger Russell, Lewis Poole, Dale Williams, Magdy Younes, Shing Lee, Steven L. Sax, Martin Carlos, Diane C. Saunders, John Dodge, Matthew N. Bartels, Amy Jahn, Karen Taylor, Gregg L Ruppel, Wallace T. Miller, Mary Gilmartin, Tanisha Carino, Alfred P. Fishman, Gerene Bauldoff, Frank C. Sciurba, Gerard J. Criner, John Haddad, Mark D. Iannettoni, Terri Durr, Gordon F. Harms, Susan Golden, Norman E. Torres, Lisa Geyman, Alan Hibbit, Paul Rysso, Gilbert E. D'Alonzo, Henry E. Fessler, Mark L. Van Natta, Peter Wahl, James H. Harrell, Willard Chamberlain, Roger D. Yusen, Boleyn Hammel, Dawn E. Sassi-Dambron, Mark S. Allen, Jennifer Cutler, Shangqian Qi, Susan Rinaldo-Gallo, John D. Newell, June Hart, Raúl San José Estépar, Kerri McKeon, Staci Opelman, Eric S. Edell, Kathy Winner, Joe R. Rodarte, Mark A. King, Eric A. Hoffman, Laura A. Wilson, Phil Cagle, Jennifer Meyers, Kristin Berry, Mark P. Steele, Katherine Hale, Peter Barnard, Charles Soltoff, Melissa Weeks, Arfa Khan, Cary Stolar, Jeanine P. Wiener-Kronish, Jeannie Ricketts, Nancy Battaglia, Francine L. Jacobson, Satish G. Jhingran, Robert B. Teague, Mary Louise Dempsey, Leighton Chan, Philip T. Diaz, David Hicks, David E. Midthun, Charlene Levine, Andetta R. Hunsaker, Tomeka Simon, Jered Sieren, Susan Lubell, Scott A. Schartel, H P McAdams, Francis Cordova, Kris Bradt, Jeffery J. Johnson, Kenneth White, Mercedes True, Erin A. Sullivan, Byron Thomashow, Gail Weinmann, Robert A. Wise, Donna Tsang, Robert M. Kotloff, Atul C. Mehta, Gregory Tino, and Angela Wurster

Subjects
Adult, Male, Pulmonary and Respiratory Medicine, medicine.medical_specialty, Pathology, Critical Care and Intensive Care Medicine, Risk Assessment, Sensitivity and Specificity, Severity of Illness Index, Cohort Studies, Pulmonary Disease, Chronic Obstructive, Predictive Value of Tests, Forced Expiratory Volume, Internal medicine, medicine, Humans, Lung volumes, Respiratory system, Aged, Probability, Original Research, Analysis of Variance, Univariate analysis, COPD, business.industry, Total Lung Capacity, Respiratory disease, Middle Aged, respiratory system, Airway obstruction, medicine.disease, Respiratory Function Tests, respiratory tract diseases, Airway Obstruction, Dyspnea, medicine.anatomical_structure, Pulmonary Emphysema, Multivariate Analysis, Cardiology, Female, Pulmonary Ventilation, Tomography, X-Ray Computed, Cardiology and Cardiovascular Medicine, business, Airway, Respiratory tract
Abstract

Background CT scan measures of emphysema and airway disease have been correlated with lung function in cohorts of subjects with a range of COPD severity. The contribution of CT scan-assessed airway disease to objective measures of lung function and respiratory symptoms such as dyspnea in severe emphysema is less clear. Methods Using data from 338 subjects in the National Emphysema Treatment Trial (NETT) Genetics Ancillary Study, densitometric measures of emphysema using a threshold of −950 Hounsfield units (%LAA-950) and airway wall phenotypes of the wall thickness (WT) and the square root of wall area (SRWA) of a 10-mm luminal perimeter airway were calculated for each subject. Linear regression analysis was performed for outcome variables FEV 1 and percent predicted value of FEV 1 with CT scan measures of emphysema and airway disease. Results In univariate analysis, there were significant negative correlations between %LAA-950 and both the WT ( r = −0.28, p = 0.0001) and SRWA ( r = −0.19, p = 0.0008). Airway wall thickness was weakly but significantly correlated with postbronchodilator FEV 1 % predicted (R = −0.12, p = 0.02). Multivariate analysis showed significant associations between either WT or SRWA (β = −5.2, p = 0.009; β = −2.6, p = 0.008, respectively) and %LAA-950 (β = −10.6, p = 0.03) with the postbronchodilator FEV 1 % predicted. Male subjects exhibited significantly thicker airway wall phenotypes (p = 0.007 for WT and p = 0.0006 for SRWA). Conclusions Airway disease and emphysema detected by CT scanning are inversely related in patients with severe COPD. Airway wall phenotypes were influenced by gender and associated with lung function in subjects with severe emphysema.

Published
2009
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