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Dugdale CM, Rubins DM, Lee H, McCluskey SM, Ryan ET, Kotton CN, Hurtado RM, Ciaranello AL, Barshak MB, McEvoy DS, Nelson SB, Basgoz N, Lazarus JE, Ivers LC, Reedy JL, Hysell KM, Lemieux JE, Heller HM, Dutta S, Albin JS, Brown TS, Miller AL, Calderwood SB, Walensky RP, Zachary KC, Hooper DC, Hyle EP, Shenoy ES. Coronavirus Disease 2019 (COVID-19) Diagnostic Clinical Decision Support: A Pre-Post Implementation Study of CORAL (COvid Risk cALculator). Clin Infect Dis 2021; 73:2248-2256. [PMID: 33564833 PMCID: PMC7929052 DOI: 10.1093/cid/ciab111] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 02/04/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Isolation of hospitalized persons under investigation (PUIs) for coronavirus disease 2019 (COVID-19) reduces nosocomial transmission risk. Efficient evaluation of PUIs is needed to preserve scarce healthcare resources. We describe the development, implementation, and outcomes of an inpatient diagnostic algorithm and clinical decision support system (CDSS) to evaluate PUIs. METHODS We conducted a pre-post study of CORAL (COvid Risk cALculator), a CDSS that guides frontline clinicians through a risk-stratified COVID-19 diagnostic workup, removes transmission-based precautions when workup is complete and negative, and triages complex cases to infectious diseases (ID) physician review. Before CORAL, ID physicians reviewed all PUI records to guide workup and precautions. After CORAL, frontline clinicians evaluated PUIs directly using CORAL. We compared pre- and post-CORAL frequency of repeated severe acute respiratory syndrome coronavirus 2 nucleic acid amplification tests (NAATs), time from NAAT result to PUI status discontinuation, total duration of PUI status, and ID physician work hours, using linear and logistic regression, adjusted for COVID-19 incidence. RESULTS Fewer PUIs underwent repeated testing after an initial negative NAAT after CORAL than before CORAL (54% vs 67%, respectively; adjusted odd ratio, 0.53 [95% confidence interval, .44-.63]; P < .01). CORAL significantly reduced average time to PUI status discontinuation (adjusted difference [standard error], -7.4 [0.8] hours per patient), total duration of PUI status (-19.5 [1.9] hours per patient), and average ID physician work-hours (-57.4 [2.0] hours per day) (all P < .01). No patients had a positive NAAT result within 7 days after discontinuation of precautions via CORAL. CONCLUSIONS CORAL is an efficient and effective CDSS to guide frontline clinicians through the diagnostic evaluation of PUIs and safe discontinuation of precautions.
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Affiliation(s)
- Caitlin M Dugdale
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - David M Rubins
- Harvard Medical School, Boston, Massachusetts, USA
- Department of Medicine, Brigham & Women’s Hospital, Boston, Massachusetts, USA
- Mass General Brigham Clinical Informatics, Boston, Massachusetts, USA
| | - Hang Lee
- Harvard Medical School, Boston, Massachusetts, USA
- Biostatistics Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Suzanne M McCluskey
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Edward T Ryan
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Camille N Kotton
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Rocio M Hurtado
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Andrea L Ciaranello
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Miriam B Barshak
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Dustin S McEvoy
- Mass General Brigham Clinical Informatics, Boston, Massachusetts, USA
| | - Sandra B Nelson
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Nesli Basgoz
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Jacob E Lazarus
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Louise C Ivers
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
- Mass General Center for Global Health, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Jennifer L Reedy
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Kristen M Hysell
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Jacob E Lemieux
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Howard M Heller
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Sayon Dutta
- Harvard Medical School, Boston, Massachusetts, USA
- Mass General Brigham Clinical Informatics, Boston, Massachusetts, USA
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - John S Albin
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Tyler S Brown
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
- Center for Communicable Disease Dynamics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Amy L Miller
- Department of Medicine, Brigham & Women’s Hospital, Boston, Massachusetts, USA
| | - Stephen B Calderwood
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Rochelle P Walensky
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Kimon C Zachary
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
- Infection Control Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - David C Hooper
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
- Infection Control Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Emily P Hyle
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Erica S Shenoy
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
- Infection Control Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
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7
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Oldham WM, Oliveira RKF, Wang RS, Opotowsky AR, Rubins DM, Hainer J, Wertheim BM, Alba GA, Choudhary G, Tornyos A, MacRae CA, Loscalzo J, Leopold JA, Waxman AB, Olschewski H, Kovacs G, Systrom DM, Maron BA. Network Analysis to Risk Stratify Patients With Exercise Intolerance. Circ Res 2018; 122:864-876. [PMID: 29437835 PMCID: PMC5924425 DOI: 10.1161/circresaha.117.312482] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 01/30/2018] [Accepted: 02/01/2018] [Indexed: 01/09/2023]
Abstract
RATIONALE Current methods assessing clinical risk because of exercise intolerance in patients with cardiopulmonary disease rely on a small subset of traditional variables. Alternative strategies incorporating the spectrum of factors underlying prognosis in at-risk patients may be useful clinically, but are lacking. OBJECTIVE Use unbiased analyses to identify variables that correspond to clinical risk in patients with exercise intolerance. METHODS AND RESULTS Data from 738 consecutive patients referred for invasive cardiopulmonary exercise testing at a single center (2011-2015) were analyzed retrospectively (derivation cohort). A correlation network of invasive cardiopulmonary exercise testing parameters was assembled using |r|>0.5. From an exercise network of 39 variables (ie, nodes) and 98 correlations (ie, edges) corresponding to P<9.5e-46 for each correlation, we focused on a subnetwork containing peak volume of oxygen consumption (pVo2) and 9 linked nodes. K-mean clustering based on these 10 variables identified 4 novel patient clusters characterized by significant differences in 44 of 45 exercise measurements (P<0.01). Compared with a probabilistic model, including 23 independent predictors of pVo2 and pVo2 itself, the network model was less redundant and identified clusters that were more distinct. Cluster assignment from the network model was predictive of subsequent clinical events. For example, a 4.3-fold (P<0.0001; 95% CI, 2.2-8.1) and 2.8-fold (P=0.0018; 95% CI, 1.5-5.2) increase in hazard for age- and pVo2-adjusted all-cause 3-year hospitalization, respectively, were observed between the highest versus lowest risk clusters. Using these data, we developed the first risk-stratification calculator for patients with exercise intolerance. When applying the risk calculator to patients in 2 independent invasive cardiopulmonary exercise testing cohorts (Boston and Graz, Austria), we observed a clinical risk profile that paralleled the derivation cohort. CONCLUSIONS Network analyses were used to identify novel exercise groups and develop a point-of-care risk calculator. These data expand the range of useful clinical variables beyond pVo2 that predict hospitalization in patients with exercise intolerance.
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Affiliation(s)
- William M Oldham
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Rudolf K F Oliveira
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Rui-Sheng Wang
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Alexander R Opotowsky
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - David M Rubins
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Jon Hainer
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Bradley M Wertheim
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - George A Alba
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Gaurav Choudhary
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Adrienn Tornyos
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Calum A MacRae
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Joseph Loscalzo
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Jane A Leopold
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Aaron B Waxman
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Horst Olschewski
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Gabor Kovacs
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - David M Systrom
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.)
| | - Bradley A Maron
- From the Department of Medicine (W.M.O., R.K.F.O., R.-S.W., D.M.R., B.M.W., C.A.M., J.L., A.B.W., D.M.S., J.A.L.), Division of Pulmonary and Critical Care Medicine (W.M.O., B.M.W., A.B.W., D.M.S.), Division of Cardiovascular Medicine (A.R.O., C.A.M., J.L., J.A.L., B.A.M.), and Department of Radiology (J.H.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Division of Respiratory Diseases, Department of Medicine, Federal University of São Paulo (UNIFESP), Brazil (R.K.F.O.); Department of Cardiology, Boston Children's Hospital and Harvard Medical School, MA (A.R.O.); Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston (G.A.A.); Division of Cardiology, Department of Medicine, Providence Veterans Affairs Medical Center and Alpert Medical School of Brown University, Providence, RI (G.C.); Department of Pulmonology, Medical University of Graz, Austria (A.T., H.O., G.K.); Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria (A.T., H.O., G.K.); and Department of Cardiology, Boston VA Healthcare System, MA (B.A.M.).
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