Abstract:Background: Adherence to oral bisphosphonates is often low, but even adherent patients may remain at elevated fracture risk. The goal of this study was to estimate the proportion of bisphosphonate-adherent women remaining at high risk of fracture.
The relationships between HIV infection, monocyte activation, and endothelial colony forming cells (ECFCs) are unknown. We compared ECFC, intermediate monocytes (CD14+CD16+), and non-classical monocytes (CD14dimCD16++) levels in HIV-infected participants virologically-suppressed on antiretroviral therapy, HIV-infected treatment-naïve participants, and HIV-uninfected healthy controls. ECFC levels were significantly higher in the HIV-infected, virologically-suppressed group compared to the uninfected controls. CD14+CD16+ percentages (but not CD14dimCD16++ cells) were significantly higher in both HIV-infected groups vs uninfected controls. In the HIV-infected groups, ECFCs and CD14+CD16+ intermediate monocytes were significantly and inversely correlated. Lower availability of ECFCs may partly explain the relationship between greater intermediate monocytes and atherosclerosis in HIV.
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