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Steger M, Canuet M, Enache I, Goetsch T, Labani A, Meyer L, Martin G, Kessler R, Montani D, Riou M. Survival and response to pulmonary vasodilator therapies in patients with chronic obstructive pulmonary disease and pulmonary vascular phenotype. Respir Med 2024; 225:107585. [PMID: 38479707 DOI: 10.1016/j.rmed.2024.107585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/13/2024] [Accepted: 03/03/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND The aim of the study was to describe and investigate the effect of pulmonary arterial hypertension (PAH) therapies in a cohort of patients with severe precapillary pulmonary hypertension (PH) associated with chronic obstructive pulmonary disease (COPD; PH-COPD), and to assess factors predictive of treatment response and mortality. MATERIAL AND METHODS We retrospectively included patients with severe incident PH-COPD who received PAH therapy and underwent RHC at diagnosis and on treatment. RESULTS From 2015 to 2022, 35 severe PH-COPD patients, with clinical features of pulmonary vascular phenotype, were included. Seventeen (48.5%) patients were treated with combined PAH therapy. PAH therapy led to a significant improvement in hemodynamics (PVR -3.5 Wood Units (-39.3%); p < 0.0001), and in the simplified four-strata risk-assessment score, which improved by at least one category in 21 (60%) patients. This effect was more pronounced in patients on dual therapy. Kaplan-Meier estimated survival rates at 1, 3 and 5 years were 94%, 65% and 42% respectively. Univariate analysis showed a significant reduction in survival in patients with a higher simplified risk score at follow-up (Hazard ratio (HR) 2.88 [1.16-7.15]; p = 0.02). Hypoxemia <50 mmHg was correlated to mortality in multivariate analysis (HR 4.33 [1.08-17.42]; p = 0.04). CONCLUSIONS Our study confirms the poor prognosis of patients with COPD and a pulmonary vascular phenotype and the potential interest of combined PAH therapy in this population, with good tolerability and greater clinical and hemodynamic improvement than monotherapy. Using the simplified risk score during follow-up could be of interest in this population.
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Affiliation(s)
- Mathilde Steger
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Matthieu Canuet
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Irina Enache
- Department of Physiology and Functional Exploration, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; University of Strasbourg, Translational Medicine Federation of Strasbourg (FMTS), CRBS, Team 3072 "Mitochondria, Oxidative Stress and Muscle Protection", 1 rue Eugène Boeckel, CS 60026, 67084, Strasbourg, France
| | - Thibaut Goetsch
- Department of Public Health, University Hospital of Strasbourg, Strasbourg, France
| | - Aissam Labani
- Radiology Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Léo Meyer
- Radiology Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Guillaume Martin
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Romain Kessler
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; INSERM-UNISTRA, UMR 1260 'Regenerative NanoMedicine', University of Strasbourg, 1 rue Eugène Boeckel, CS, 60026, 67084, Strasbourg, France
| | - David Montani
- University of Paris-Saclay, AP-HP, Chest Diseases Department, Hospital of Bicêtre, DMU 5 Thorinno, Inserm UMR_S999, Le Kremlin Bicêtre, France
| | - Marianne Riou
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; Department of Physiology and Functional Exploration, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; University of Strasbourg, Translational Medicine Federation of Strasbourg (FMTS), CRBS, Team 3072 "Mitochondria, Oxidative Stress and Muscle Protection", 1 rue Eugène Boeckel, CS 60026, 67084, Strasbourg, France.
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Cajigas HR, Lavon B, Harmsen W, Muchmore P, Costa J, Mussche C, Pulsipher S, De Backer J. Quantitative CT measures of pulmonary vascular volume distribution in pulmonary hypertension associated with COPD: Association with clinical characteristics and outcomes. Pulm Circ 2023; 13:e12321. [PMID: 38098498 PMCID: PMC10719487 DOI: 10.1002/pul2.12321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/08/2023] [Accepted: 12/02/2023] [Indexed: 12/17/2023] Open
Abstract
To determine whether quantitative computed tomography (qCT)-derived metrics of pulmonary vascular volume distribution could distinguish chronic obstructive pulmonary disease (COPD) subjects with associated pulmonary hypertension (PH) from those without and to characterize associations of these measurements with clinical and physiological characteristics and outcomes. We collected retrospective CT, pulmonary hemodynamic, clinical, and outcomes data from subjects with COPD and right-heart catheterization-confirmed PH (PH-COPD) and control subjects with COPD but without PH. We measured the volumes of pulmonary vessels < 5 and >10 mm2 in cross-sectional area as a percentage of total pulmonary vascular volume (qCT-derived volume of pulmonary vessels < 5 mm2 in cross-sectional area as a volume fraction of total pulmonary blood volume [BV5%] and qCT-derived volume of pulmonary vessels > 10 mm2 in cross-sectional area [BV10] as a volume fraction of total pulmonary blood volume [BV10%], respectively) using Functional Respiratory Imaging (FRI), an automated qCT platform, and compared them between PH and control arms and between subjects with mild-moderate PH and those with severe disease. Correlations of hemodynamics with pulmonary function and associations with survival were tested. Forty-five PH-COPD and 42 control subjects were studied. BV5% was lower in PH subjects (32.2% vs. 37.7%, p = 0.003), and BV10% was higher (50.2% vs. 43.5, p = 0.001). Subjects with severe PH did not differ from those with mild-moderate PH in qCT. Pulmonary vascular volumes were not associated with pulmonary function. BV10 was associated with mean pulmonary artery pressure (r = 0.3, p = 0.05). Associations with survival were observed for BV5% (hazard ratio 0.63, p = 0.02) and BV10% (hazard ratio 1.43, p = 0.03) in the PH-COPD arm, but not for controls. qCT-derived measures of pulmonary vascular volume may have diagnostic and prognostic significance in PH-COPD and should be investigated further as screening and risk stratification tools.
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Affiliation(s)
- Hector R. Cajigas
- Department of Internal Medicine, Division of Pulmonary and Critical CareMayo ClinicRochesterMinnesotaUSA
| | | | - William Harmsen
- Department of Quantitative Health Sciences, Division of Clinical Trials and BiostatisticsMayo ClinicRochesterMinnesotaUSA
| | | | | | | | - Sydney Pulsipher
- Department of Quantitative Health Sciences, Division of Clinical Trials and BiostatisticsMayo ClinicRochesterMinnesotaUSA
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Li Y, Zhang R, Shan H, Shi W, Feng X, Chen H, Yang X, Li Y, Zhang J, Zhang M. FVC/D LCO identifies pulmonary hypertension and predicts 5-year all-cause mortality in patients with COPD. Eur J Med Res 2023; 28:174. [PMID: 37183240 PMCID: PMC10184375 DOI: 10.1186/s40001-023-01130-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 04/26/2023] [Indexed: 05/16/2023] Open
Abstract
BACKGROUND Pulmonary hypertension (PH) is a common complication of chronic obstructive pulmonary disease (COPD). However, it is unknown whether the ratio of forced vital capacity (FVC) to diffusing lung capacity for carbon monoxide (DLCO) can identify PH in the patients with COPD and predict its prognosis. METHODS The study population I included 937 COPD patients who were admitted to inpatient treatments from 2010 to 2017, and finally 750 patients were available to follow-up the 5-year all-cause mortality (study population II). Clinical characteristics of the study population were recorded. RESULTS COPD patients with PH had a higher FVC/DLCO value compared with the patients without PH. The threshold for FVC/DLCO to identify PH in COPD patients was 0.44 l/mmol/min/kPa. Multivariate logistic regression analysis showed that FVC/DLCO was a significant predictor for PH in the patients with COPD. The study population II showed that the 5-year all-cause mortality of COPD patients was significantly higher in combined with PH group than without PH group. Compared with the survivor group, FVC/DLCO value was significantly increased in non-survivor group. The threshold for FVC/DLCO to predict 5-year all-cause mortality was 0.41 l/mmol/min/kPa. Kaplan-Meier survival curves showed that 5-year cumulative survival rate for COPD patients were significantly decreased when the value of FVC/DLCO was ≥ 0.41 l/mmol/min/kPa. Multivariate cox regression analysis showed that FVC/DLCO was an independent prognostic factor for 5-year all-cause mortality in COPD patients. CONCLUSION FVC/DLCO could identify PH in the patients with COPD and was an independent predictor for 5-year all-cause mortality of COPD.
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Affiliation(s)
- Yuer Li
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Rui Zhang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Hu Shan
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Wenhua Shi
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Xiaoli Feng
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Haijuan Chen
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Xia Yang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Yali Li
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China
| | - Jie Zhang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China.
| | - Ming Zhang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157 West Fifth Road, Xi'an, 710004, Shaanxi, China.
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