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Osteology, Volume 5, Issue 2 (June 2025) – 5 articles

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18 pages, 3421 KiB  
Article
Improvement of the Obliteration of Non-Critical Size Defects by Using a Mixture of Bone Dust and Bone Replacement Material (Bioactive Glass S53P4)
by Max Kemper, Anne Kluge, Ines Zeidler-Rentzsch, Susanne Isabella Günther and Marcus Neudert
Osteology 2025, 5(2), 15; https://doi.org/10.3390/osteology5020015 - 19 May 2025
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Abstract
Background/Objectives: Obliterates such as autologous bone dust (BD) or the synthetic bioactive glass S53P4 (BA) are frequently used for the obliteration of non-critical size defects (NCSDs), especially in otosurgery. Both obliterates have advantages and disadvantages, so that the combination of both for [...] Read more.
Background/Objectives: Obliterates such as autologous bone dust (BD) or the synthetic bioactive glass S53P4 (BA) are frequently used for the obliteration of non-critical size defects (NCSDs), especially in otosurgery. Both obliterates have advantages and disadvantages, so that the combination of both for the obliteration of NCSDs is analysed. Methods: As part of a large animal project with sheep, four NCSDs were created in the calotte of thirteen animals using a drill. These were filled with BD, BD and BA, or BA, and the reference defect remained empty. After three weeks, the explanted calottes were examined with regard to their newly formed bone using digital volume tomography, bone density measurement, fluorochrome sequence labelling, and histological analysis. In addition, human cell culture analyses were carried out on the quality of the BD. Results: BD collected at 7.000 and 15.000 rpm shows a higher activity of new bone formation. In combination with BA, bone is formed centripetally and centrifugally. Defect filling with BA and BD shows a higher bone density and compactness than BD alone. Conclusions: BD should be harvested at a speed of less than 15.000 rpm. Using this BD in combination with BA to obliterate NCSDs enables the defect to be obliterated quickly and completely, with more newly formed bone, creating a bone network with incorporated BA. Further studies are needed to investigate the long-term stability of this obliteration and to determine which other parameters of the extraction can increase the amount of vital BD. Full article
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10 pages, 227 KiB  
Article
The Correlations of the Neutrophil-to-Lymphocyte Ratio and Platelet-to-Lymphocyte Ratio with Bone Mineral Density in Postmenopausal Women: A Cross-Sectional Study
by Pierpaolo Panebianco, Gianluca Testa, Giulia Barbagallo, Luciano Costarella, Alessia Caldaci, Sveva Condorelli, Marco Sapienza and Vito Pavone
Osteology 2025, 5(2), 14; https://doi.org/10.3390/osteology5020014 - 6 May 2025
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Abstract
Background/Objectives: Osteoporosis is a skeletal disorder characterized by reduced bone mineral density (BMD) and increased fracture risk. Chronic inflammation is implicated in osteoporosis pathogenesis, with inflammatory mediators promoting bone resorption. The neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) are markers of systemic inflammation [...] Read more.
Background/Objectives: Osteoporosis is a skeletal disorder characterized by reduced bone mineral density (BMD) and increased fracture risk. Chronic inflammation is implicated in osteoporosis pathogenesis, with inflammatory mediators promoting bone resorption. The neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) are markers of systemic inflammation and have emerged as potential indicators of bone health. This study’s aim was to highlight the potential role of the NLR and PLR as markers of bone health in postmenopausal women affected by osteoporosis or osteopenia and to evaluate the possible influence of autoimmune disease in this context. Methods: This cross-sectional study included 124 postmenopausal women diagnosed with osteopenia or osteoporosis at the Orthopedic Unit of the Policlinico G. Rodolico in Catania, Italy. Demographic, clinical, laboratory, and diagnostic imaging data were collected. The NLR and PLR were calculated from complete blood counts, and BMD was measured using dual-energy X-ray absorptiometry (DEXA). Statistical analyses included correlations, group comparisons, and multiple and logistic regressions. Results: The NLR and PLR did not directly correlate with BMD or fracture incidence. However, the PLR weakly correlated with vitamin D levels. Notably, women without Hashimoto’s thyroiditis exhibited higher NLR values than those with the condition. Hypertensive women had a lower PLR than non-hypertensive women, while euthyroid women had a higher PLR than hyperthyroid or hypothyroid women. Multiple regression analysis revealed that age, BMI, CKD stage, vitamin D levels, NLR, PLR, diabetes, and autoimmune diseases significantly predicted BMD at the femur neck, with the PLR contributing significantly. Logistic regression confirmed these predictors for osteoporosis or osteopenia, with an increased PLR being associated with a higher likelihood of osteoporosis. Conclusions: While the NLR and PLR may not independently predict bone health, their inclusion in a multifactorial assessment considering age, BMI, vitamin D, and comorbidities could enhance osteoporosis management. Full article
10 pages, 477 KiB  
Perspective
Robotic Innovations in Orthopedics: A Growing Landscape, Challenges, and Implications for Care
by Robin Hu, Umile Giuseppe Longo, Jason Pittman and Ara Nazarian
Osteology 2025, 5(2), 13; https://doi.org/10.3390/osteology5020013 - 21 Apr 2025
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Abstract
This perspective work focuses on the transformative role of robotics in orthopedic surgery, enhancing precision and efficiency. It details the evolution of robotic systems such as ROBODOC, Mako, and Da Vinci, outlining their contributions to procedures such as total knee and hip replacements. [...] Read more.
This perspective work focuses on the transformative role of robotics in orthopedic surgery, enhancing precision and efficiency. It details the evolution of robotic systems such as ROBODOC, Mako, and Da Vinci, outlining their contributions to procedures such as total knee and hip replacements. It also discusses future trends, including the integration of AI, augmented reality, personalized implants, and the potential for telesurgery. Challenges such as high costs, the learning curve, and regulatory concerns are noted, but the field is poised for significant growth and innovation in orthopedic care. Full article
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17 pages, 16224 KiB  
Case Report
Bridging the Gap in Partial Repair of Full-Thickness Rotator Cuff Tears: A Case Report on the Rationale Behind Bioinductive Collagen Implants
by Arianna Carnevale, Gianmarco Marcello, Matilde Mancuso, Alice Ceccaroli, Alessandra Corradini, Letizia Mancini, Pieter D′Hooghe, Miguel Angel Ruiz Iban, Emiliano Schena and Umile Giuseppe Longo
Osteology 2025, 5(2), 12; https://doi.org/10.3390/osteology5020012 - 7 Apr 2025
Viewed by 327
Abstract
Background/Objectives: Rotator cuff tears are a prevalent cause of shoulder pain and functional impairment. Full-thickness tears often require surgical intervention, but managing such injuries can be challenging, particularly when complete anatomical repair is unattainable. Bioinductive implants have emerged as an innovative adjunct to [...] Read more.
Background/Objectives: Rotator cuff tears are a prevalent cause of shoulder pain and functional impairment. Full-thickness tears often require surgical intervention, but managing such injuries can be challenging, particularly when complete anatomical repair is unattainable. Bioinductive implants have emerged as an innovative adjunct to enhance tendon healing and regeneration. Methods: This case report details the partial repair of a full-thickness rotator cuff tear in a 66-year-old woman, augmented with a bioinductive implant. Postoperative recovery was monitored through clinical examinations, MRI, and kinematic analysis at 3 and 6 months. Results: The findings suggest that bioinductive implants may offer a promising strategy for managing complex rotator cuff tears, particularly when complete repair is not feasible. The patient reported improvement in function and pain reduction. Conclusions: The use of bioinductive implants showed promising results, promoting tendon regeneration and improving functional outcomes. Future research should explore patient selection criteria and the long-term effectiveness of this strategy. Full article
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16 pages, 1360 KiB  
Systematic Review
Correlation Between the Severity of Flatfoot and Risk Factors in Children and Adolescents: A Systematic Review
by Gabriele Giuca, Daniela Alessia Marletta, Biagio Zampogna, Ilaria Sanzarello, Matteo Nanni and Danilo Leonetti
Osteology 2025, 5(2), 11; https://doi.org/10.3390/osteology5020011 - 3 Apr 2025
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Abstract
Background/Objectives: Flatfoot is a common pediatric foot deformity characterized by a reduced or absent medial longitudinal arch (MLA). The condition can lead to altered gait, pain, and potential long-term morbidity if untreated. Identifying potential risk factors—such as body mass index (BMI), ligamentous [...] Read more.
Background/Objectives: Flatfoot is a common pediatric foot deformity characterized by a reduced or absent medial longitudinal arch (MLA). The condition can lead to altered gait, pain, and potential long-term morbidity if untreated. Identifying potential risk factors—such as body mass index (BMI), ligamentous or joint instability, shoe choices, and physical activity—is crucial for prevention and management. The objectives are to systematically review and synthesize current evidence on how flatfoot severity correlates with BMI and other risk factors in children and adolescents, and to highlight methodological considerations essential for future research. Methods: Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, we searched five electronic databases from inception to February 2024. Flatfoot severity was measured by various clinical or radiographic indices. Two reviewers independently screened and assessed the risk of bias. Results: Thirty-seven studies met the inclusion criteria. Children with high BMI had increased odds of flatfoot (pooled Odds Ratio = 2.3, 95% Confidence Interval: 1.6–3.1), with one outlier reporting an OR of 9.08. Heterogeneity (I2 up to 70%) stemmed from varied diagnostic methods. Other factors, including joint instability, shoe choices, and physical activity, showed mixed associations. Conclusions: Elevated BMI strongly correlates with pediatric flatfoot severity, highlighting the importance of proactive weight management and foot assessments. Future standardized, longitudinal studies are needed to clarify causality and refine interventions. Full article
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