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Effects of levothyroxine therapy on bone and mineral metabolism in hypothyroidism: a systematic review and meta-analysis.
BMC Endocr Disord
January 2025
The First School of Clinical Medicine, Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou, Gansu Province, 730000, China.
Background: Thyroid hormone plays an important role in accumulating bone development and regulating bone metabolism. It is established that hypothyroidism is linked to increased risk of osteoporosis and fracture. However, the effects of levothyroxine (LT4) treatment on bone for hypothyroid patients remain controversial.
View Article and Find Full Text PDFConstruction and validation of a nomogram prediction model for internal fixation failure after proximal femoral anti-rotation intramedullary nailing in the treatment of intertrochanteric fractures of the femur.
Medicine (Baltimore)
November 2024
Department of Orthopedics, The First People's Hospital of Longquanyi District, Chengdu, Sichuan, China.
The aim was to study the independent risk factors of internal fixation failure in proximal femoral anti-rotation intramedullary nailing for intertrochanteric femur fracture, and to build a nomogram prediction model accordingly. Clinical data of patients with intertrochanteric femoral rotor fractures admitted to the First People's Hospital of Longquanyi District from January 2018 to January 2023 were retrospectively collected. The occurrence of spiral blade cut out, internal fixation breakage, peri-internal fixation fracture, hip internal rotation deformity, and fracture nonunion within 1 year after surgery were included in the internal fixation failure group, and the rest were included in the internal fixation success group.
View Article and Find Full Text PDFAuthor response to: Comment from Dongdong Cao, et al. on: Rapid reduction in fracture risk after the discontinuation of long-term oral glucocorticoid therapy: a retrospective cohort study using a nationwide health insurance claims database in Japan.
Osteoporos Int
January 2025
Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan.
Low Bone Mineral Density and Associated Factors Among People Living With HIV in Kerman, Iran: A Cross-Sectional Study in 2021-2022.
J Assoc Nurses AIDS Care
January 2025
Hamidreza Rashidi, MD, is a Researcher, HIV/STI Surveillance Research Center, WHO Collaborating Center for HIV Surveillance, Kerman University of Medical Sciences, Kerman, Iran.
Chronic diseases such as osteoporosis and low bone mineral density (BMD) are significant public health concerns for people living with HIV (PLWH), especially with the increased life expectancy because of antiretroviral therapy (ART). This study evaluated the prevalence and associated factors of low BMD among 94 PLWH in Kerman, Iran, from September 2021 to February 2022. Using dual-energy X-ray absorptiometry, BMD was measured, with low BMD defined by specific T-scores and Z-scores.
View Article and Find Full Text PDFBiomimetic Extracellular Vesicles Containing Biominerals for Targeted Osteoporosis Therapy.
ACS Appl Mater Interfaces
January 2025
Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai 200444, People's Republic of China.
Osteoporosis (OP) is a systemic skeletal disorder characterized by decreased bone mineral density and a heightened risk of fractures. Therapies for OP have primarily focused on balancing bone formation and bone resorption, but enhancing the remineralization of osteoporotic bone is also a key strategy for effective repair. Recent insights into biomineralization mechanisms have highlighted the essential role of mineral-containing extracellular vesicles (EVs) secreted by osteoblasts in promoting bone marrow mesenchymal stromal/stem cell (BMSC) differentiation and initiating matrix mineralization.
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