Purpose: to determine the role of adipokines and vascular remodeling in formation of osteoporosis in idiopathic pulmonary arterial hypertension (IPAH).
Materials And Methods: Functional and hemodynamic parameters, bone mineral density (BMD) T-score in lumbar spine (LS) and femoral neck (FN), blood serum levels of leptin, adiponectin, visfatin and endothelin-1 were measured in 27 patients with severe IPAH and 30 healthy volunteers.
Results: Half of IPAH patients had osteoporosis.
Aim: To define the role of circulating biomarkers for the metabolism of collagen and intercellular substance and vascular remodeling in the development of osteoporosis (OP) in idiopathic pulmonary arterial hypertension (IPAH).
Material And Methods: Functional hemodynamic parameters, bone mineral density (BMD) in the lumbar spine and femoral neck and the serum levels of matrix metalloproteinase-9 (MMP-9), tissue inhibitor of metalloproteinase-1 (TIMP-1), MMP-9/TIMP-1 complex, C-terminal telopeptide of collagen type 1 (CITP), and endothelin-1 (ET-1) were determined in 27 high-risk IPAH patients and 30 healthy volunteers.
Results: OP in IPAH was detected in 50% of the examinees.
Background: Osteoporosis is a common complication of chronic obstructive pulmonary disease (COPD). Recent clinical and biological researches have increasingly delineated the biomolecular pathways of bone metabolism regulation in COPD. We extended this work by examining the specific association and potential contribution of the osteoprotegerin (OPG)/receptor activator of nuclear factor-κB ligand (RANKL) axis to the pathogenesis of osteoporosis in advanced COPD.
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