ReviewInternational journal of molecular sciences2026
The Role of Endothelial Dysfunction in Fracture Healing: Mechanisms and Potential Effects on Skeletal Repair.
Review in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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0 citing papers in PubMed.
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Authors and funding
8 authors.
Funding
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Abstract
Fracture healing depends on coordinated osteogenesis and restoration of the vascular microenvironment. Endothelial cells support skeletal repair through angiogenesis, tissue perfusion and angiocrine signaling that regulates osteoprogenitor recruitment and differentiation. This narrative review examines endothelial dysfunction (ED) as a potential systemic contributor to impaired fracture healing by integrating evidence from vascular biology, experimental models and clinical studies. ED is characterized by reduced nitric oxide (NO) bioavailability, oxidative stress, inflammation and impaired vascular repair. These changes may disrupt angiogenic-osteogenic coupling through altered hypoxia-inducible factor 1-alpha subunit (HIF-1α)/vascular endothelial growth factor (VEGF) signaling, endothelial Notch activity, platelet-derived growth factor (PDGF)-mediated vascular remodeling and endothelial progenitor cell (EPC) mobilization. Conditions associated with endothelial dysfunction, including diabetes, aging, chronic kidney disease (CKD), smoking, obesity and chronic inflammatory disease, are also linked to delayed union, nonunion and poorer orthopedic outcomes. Cardiovascular disease and perioperative cardiovascular instability may further impair perfusion and physiological reserve during repair. However, the available evidence is predominantly experimental or observational, and direct causal evidence in fracture patients remains limited. Prospective studies combining standardized endothelial assessments with fracture-healing outcomes are needed to clarify clinical relevance and identify potential therapeutic targets.
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