Relationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional study

Abstract Background Individuals with high systemic bone mineral density (BMD) may have an increased risk of incident knee osteoarthritis (OA). Besides that, radiographic osteophytes are strongly associated with BMD. Because of these reasons, the aim of the study was to investigate the possible assoc...

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Main Authors: Şükrü Burak Tönük, Zeynep Rezan Yorgancıoğlu, Selma Uysal Ramadan, Seher Kocaoğlu
Format: Article
Language:English
Published: BMC 2024-01-01
Series:BMC Musculoskeletal Disorders
Subjects:
Online Access:https://doi.org/10.1186/s12891-023-07141-y
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author Şükrü Burak Tönük
Zeynep Rezan Yorgancıoğlu
Selma Uysal Ramadan
Seher Kocaoğlu
author_facet Şükrü Burak Tönük
Zeynep Rezan Yorgancıoğlu
Selma Uysal Ramadan
Seher Kocaoğlu
author_sort Şükrü Burak Tönük
collection DOAJ
description Abstract Background Individuals with high systemic bone mineral density (BMD) may have an increased risk of incident knee osteoarthritis (OA). Besides that, radiographic osteophytes are strongly associated with BMD. Because of these reasons, the aim of the study was to investigate the possible association between radiological subchondral bone cyst (SBC) grade and systemic BMD and vitamin D status in the postmenopausal female patients with knee OA in a crosss-sectional study. Methods This study included of 48 osteoporosis treatment-free postmenopausal patients diagnosed with symptomatic medial compartment knee OA. BMD analysis was performed using dual-energy X-ray absorptiometry (DXA) and serum vitamin D levels were measured after recording patients’ findings. Each knee was scanned using computed tomography (CT), and categorical SBC scores were graded for the medial and lateral tibiofemoral (TF) and patellofemoral (PF) compartments and further calculated as compartmental total, total TF and grand total of both TF compartments. SBC scores were analysed with correlation analysis. Results The patient population was characterized by radiographic joint space narrowing, obesity and low vitamin D status. Median medial total and grand total TF SBC scores were significantly different between the patient groups according to the Kellgren-Lawrence (KL) radiographic grading (p = 0.006 and p = 0.007, respectively). There were no correlations between femoral BMD values and SBC scores. However, positive correlations were detected significantly between L1 − 4 DXA values and TF SBC scores, but not with PF SBC scores (p = 0.005 for the correlation between L1 − 4 BMD and medial compartments total TF SBC score, p = 0.021 for the correlation between L1 − 4 BMD and grand total TF SBC score). No significant correlations were found with Vitamin D levels. Conclusions Development of TF OA high-grade SBCs may be linked to systemic bone mass as represented by trabecular bone-rich lumbar vertebrae. The relationship might point to the importance of bone stiffness as an acting factor in knee OA possibly with mechanical energy transfer to the joint.
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spelling doaj.art-42ea13bc859443c787ad08995e6cf9112024-01-14T12:06:17ZengBMCBMC Musculoskeletal Disorders1471-24742024-01-012511910.1186/s12891-023-07141-yRelationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional studyŞükrü Burak Tönük0Zeynep Rezan Yorgancıoğlu1Selma Uysal Ramadan2Seher Kocaoğlu3Department of Physical Medicine and Rehabilitation, Bolu Abant Izzet Baysal UniversityDepartment of Physical Medicine and Rehabilitation, Ministry of Health Ankara Training and Research HospitalDepartment of Radiology, Ministry of Health Kecioren Training and Research HospitalDepartment of Physical Medicine and Rehabilitation, Ministry of Health Ankara Training and Research HospitalAbstract Background Individuals with high systemic bone mineral density (BMD) may have an increased risk of incident knee osteoarthritis (OA). Besides that, radiographic osteophytes are strongly associated with BMD. Because of these reasons, the aim of the study was to investigate the possible association between radiological subchondral bone cyst (SBC) grade and systemic BMD and vitamin D status in the postmenopausal female patients with knee OA in a crosss-sectional study. Methods This study included of 48 osteoporosis treatment-free postmenopausal patients diagnosed with symptomatic medial compartment knee OA. BMD analysis was performed using dual-energy X-ray absorptiometry (DXA) and serum vitamin D levels were measured after recording patients’ findings. Each knee was scanned using computed tomography (CT), and categorical SBC scores were graded for the medial and lateral tibiofemoral (TF) and patellofemoral (PF) compartments and further calculated as compartmental total, total TF and grand total of both TF compartments. SBC scores were analysed with correlation analysis. Results The patient population was characterized by radiographic joint space narrowing, obesity and low vitamin D status. Median medial total and grand total TF SBC scores were significantly different between the patient groups according to the Kellgren-Lawrence (KL) radiographic grading (p = 0.006 and p = 0.007, respectively). There were no correlations between femoral BMD values and SBC scores. However, positive correlations were detected significantly between L1 − 4 DXA values and TF SBC scores, but not with PF SBC scores (p = 0.005 for the correlation between L1 − 4 BMD and medial compartments total TF SBC score, p = 0.021 for the correlation between L1 − 4 BMD and grand total TF SBC score). No significant correlations were found with Vitamin D levels. Conclusions Development of TF OA high-grade SBCs may be linked to systemic bone mass as represented by trabecular bone-rich lumbar vertebrae. The relationship might point to the importance of bone stiffness as an acting factor in knee OA possibly with mechanical energy transfer to the joint.https://doi.org/10.1186/s12891-023-07141-yBone mineral densityOsteoarthritisSubchondral bone cystVitamin D
spellingShingle Şükrü Burak Tönük
Zeynep Rezan Yorgancıoğlu
Selma Uysal Ramadan
Seher Kocaoğlu
Relationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional study
BMC Musculoskeletal Disorders
Bone mineral density
Osteoarthritis
Subchondral bone cyst
Vitamin D
title Relationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional study
title_full Relationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional study
title_fullStr Relationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional study
title_full_unstemmed Relationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional study
title_short Relationship between DXA measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis: a cross-sectional study
title_sort relationship between dxa measured systemic bone mineral density and subchondral bone cysts in postmenopausal female patients with knee osteoarthritis a cross sectional study
topic Bone mineral density
Osteoarthritis
Subchondral bone cyst
Vitamin D
url https://doi.org/10.1186/s12891-023-07141-y
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