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Trudzinski FC, Jörres RA, Alter P, Watz H, Vogelmeier CF, Kauczor HU, Thangamani S, Debic M, Welte T, Behr J, Kahnert K, Bals R, Herr C, Heußel CP, Biederer J, von Stackelberg O, Fähndrich S, Wouters EFM, Waschki B, Rabe KF, Herth FJF, Palm V. Midregional Proatrial Natriuretic Peptide (MRproANP) is associated with vertebral fractures and low bone density in patients with chronic obstructive pulmonary disease (COPD). Respir Res 2024; 25:274. [PMID: 39003487 PMCID: PMC11245771 DOI: 10.1186/s12931-024-02902-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 07/02/2024] [Indexed: 07/15/2024] Open
Abstract
BACKGROUND Patients with COPD are often affected by loss of bone mineral density (BMD) and osteoporotic fractures. Natriuretic peptides (NP) are known as cardiac markers, but have also been linked to fragility-associated fractures in the elderly. As their functions include regulation of fluid and mineral balance, they also might affect bone metabolism, particularly in systemic disorders such as COPD. RESEARCH QUESTION We investigated the association between NP serum levels, vertebral fractures and BMD assessed by chest computed tomography (CT) in patients with COPD. METHODS Participants of the COSYCONET cohort with CT scans were included. Mean vertebral bone density on CT (BMD-CT) as a risk factor for osteoporosis was assessed at the level of TH12 (AI-Rad Companion), and vertebral compression fractures were visually quantified by two readers. Their relationship with N-terminal pro-B-type natriuretic peptide (NT-proBNP), Mid-regional pro-atrial natriuretic peptide (MRproANP) and Midregional pro-adrenomedullin (MRproADM) was determined using group comparisons and multivariable analyses. RESULTS Among 418 participants (58% male, median age 64 years, FEV1 59.6% predicted), vertebral fractures in TH12 were found in 76 patients (18.1%). Compared to patients without fractures, these had elevated serum levels (p ≤ 0.005) of MRproANP and MRproADM. Using optimal cut-off values in multiple logistic regression analyses, MRproANP levels ≥ 65 nmol/l (OR 2.34; p = 0.011) and age (p = 0.009) were the only significant predictors of fractures after adjustment for sex, BMI, smoking status, FEV1% predicted, SGRQ Activity score, daily physical activity, oral corticosteroids, the diagnosis of cardiac disease, and renal impairment. Correspondingly, MRproANP (p < 0.001), age (p = 0.055), SGRQ Activity score (p = 0.061) and active smoking (p = 0.025) were associated with TH12 vertebral density. INTERPRETATION MRproANP was a marker for osteoporotic vertebral fractures in our COPD patients from the COSYCONET cohort. Its association with reduced vertebral BMD on CT and its known modulating effects on fluid and ion balance are suggestive of direct effects on bone mineralization. TRIAL REGISTRATION ClinicalTrials.gov NCT01245933, Date of registration: 18 November 2010.
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Affiliation(s)
- Franziska C Trudzinski
- Department of Pneumology and Critical Care Medicine), German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Thoraxklinik University of Heidelberg, Röntgenstrasse 1, 69126, Heidelberg, Germany.
| | - Rudolf A Jörres
- Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, German Center for Lung Research (DZL), LMU University Hospital, Ludwig-Maximilians-University (LMU), Comprehensive Pneumology Center Munich (CPC-M), Munich, Germany
| | - Peter Alter
- Department of Medicine, Pulmonary and Critical Care Medicine, German Center for Lung Research (DZL), Philipps University of Marburg (UMR), Marburg, Germany
| | - Henrik Watz
- Pulmonary Research Institute at LungenClinic Grosshansdorf, Grosshansdorf, Germany
- Airway Research Center North (ARCN), German Center for Lung Research (DZL), Woehrendamm 80, 22927, Grosshansdorf, Germany
| | - Claus F Vogelmeier
- Department of Medicine, Pulmonary and Critical Care Medicine, German Center for Lung Research (DZL), Philipps University of Marburg (UMR), Marburg, Germany
| | - Hans-Ulrich Kauczor
- Department of Diagnostic & Interventional Radiology, University Hospital of Heidelberg, Heidelberg, Germany
- German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Heidelberg, Germany
| | - Subasini Thangamani
- Department of Diagnostic & Interventional Radiology, University Hospital of Heidelberg, Heidelberg, Germany
- German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Heidelberg, Germany
| | - Manuel Debic
- Department of Diagnostic & Interventional Radiology, University Hospital of Heidelberg, Heidelberg, Germany
- German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Heidelberg, Germany
| | - Tobias Welte
- Department of Pneumology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Jürgen Behr
- Department of Internal Medicine V, CPC Comprehensive Pneumology Center, Member of the German Center for Lung Research (DZL), University Hospital, LMU Munich, Munich, Germany
| | - Kathrin Kahnert
- Department of Internal Medicine V, CPC Comprehensive Pneumology Center, Member of the German Center for Lung Research (DZL), University Hospital, LMU Munich, Munich, Germany
- MediCenterGermering, Germering, Germany
| | - Robert Bals
- Department of Internal Medicine V - Pulmonology, Allergology, Critical Care Care Medicine, Saarland University Hospital, Homburg, Germany
| | - Christian Herr
- Department of Internal Medicine V - Pulmonology, Allergology, Critical Care Care Medicine, Saarland University Hospital, Homburg, Germany
| | - Claus Peter Heußel
- German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Heidelberg, Germany
- Department of Diagnostic and Interventional Radiology With Nuclear Medicine, Thoraxklinik, University Medical Center Heidelberg, Heidelberg, Germany
| | - Jürgen Biederer
- Department of Diagnostic & Interventional Radiology, University Hospital of Heidelberg, Heidelberg, Germany
- German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Heidelberg, Germany
- Faculty of Medicine, University of Latvia, Riga, Latvia
- Faculty of Medicine, Christian-Albrechts-Universität Zu Kiel, Kiel, Germany
| | - Oyunbileg von Stackelberg
- Department of Diagnostic & Interventional Radiology, University Hospital of Heidelberg, Heidelberg, Germany
- German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Heidelberg, Germany
| | - Sebastian Fähndrich
- Department of Pneumology, University Medical Centre Freiburg, Freiburg, Germany
| | - Emiel F M Wouters
- Department of Respiratory Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
- Medical Faculty, Sigmund Freud University, Vienna, Austria
- Department of Internal Medicine, Sigmund Freud Private University, Vienna, Austria
| | - Benjamin Waschki
- LungenClinic Grosshansdorf, Airway Research Center North, Member of the German Center for Lung Research, Pulmonary Research Institute, Woehrendamm 80, 22927, Grosshansdorf, Germany
- Department of Pneumology, Itzehoe Hospital, Itzehoe, Germany
| | - Klaus F Rabe
- LungenClinic Grosshansdorf, Airway Research Center North, Member of the German Center for Lung Research, Pulmonary Research Institute, Woehrendamm 80, 22927, Grosshansdorf, Germany
| | - Felix J F Herth
- Department of Pneumology and Critical Care Medicine), German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Thoraxklinik University of Heidelberg, Röntgenstrasse 1, 69126, Heidelberg, Germany
| | - Viktoria Palm
- Department of Diagnostic & Interventional Radiology, University Hospital of Heidelberg, Heidelberg, Germany
- German Center for Lung Research (DZL), Translational Lung Research Center Heidelberg (TLRC-H), Heidelberg, Germany
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