Bone health and HIV

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Post by Adrian Ogier05 Jun 2009

Those of us with HIV are more likely to have conditions such as osteopenia (low bone mineral density) and osteoporosis (weakened bones) than our negative contemporaries. Factors such as low body weight and increased levels of smoking may also be contributors.

French investigators recently found that over a third of those about to start treatment already had reduced bone mineral density and that their levels continued to fall after they started treatment, particularly in those taking a protease inhibitor.

However, HIV treatment, CD4 cell count and viral load does not appear to increase the risk of bone fractures. Their analysis showed that the only factors associated with fractures were excess alcohol consumption and coinfection with hepatitis C.

A joint London/New York study also noted that tenofovir, a popular component of many people’s regimens, may also be responsible for higher levels of bone mineral loss. They advise that vitamin D may prove to be a useful supplement for those on tenofovir.

Vitamin D is essential for bone metabolism and appears to be almost universally deficient in people with HIV.