Nearly half of older women with arm fractures have low vitamin D

Nearly half of older women with arm fractures have low vitamin D
Source: MedscapeToday

A new study has shown that 44% of postmenopausal women treated for a distal radius fracture (DRF) were either vitamin D deficient or insufficient, researchers reported here at the American Academy of Orthopedic Surgeons 2012 Annual Meeting.

Their vitamin D levels were significantly lower than in control subjects, reported Hyun S. Gong, MD, from Seongnam, and Cheol Ho Song, from Seoul, Korea.

The researchers compared 104 postmenopausal women treated for a DRF with 107 age-matched control subjects with soft tissue disease, such as tenosynovitis or lateral epicondylitis. They measured serum vitamin D levels (25-hydroxycholecalciferol, 25[OH] D3) and levels of bone metabolism markers, including serum parathyroid hormone levels, osteocalcin, C-telopeptide, and urine N-telopeptide.

“The mean 25(OH)D3 level was significantly lower in the DRF group than in the control group (P < .001),” the researchers report in their abstract.

In the DRF group, 27 patients (26%) were vitamin D insufficient (defined as a serum level of 20 to 32 ng/mL) and 19 (18%) were vitamin D deficient (defined as a serum level below 20 ng/mL). in the control group, 12 patients (11%) were vitamin D insufficient and 2 (2%) were vitamin D deficient.
Markers of bone metabolism were similar in the 2 groups.

“Since vitamin D is required for bone metabolism and musculoskeletal function, further studies are warranted to determine whether hypovitaminosis D is a risk factor for DRF and whether vitamin D supplementation helps rehabilitation and the prevention of future fractures in patients with a DRF,” write Drs. Gong and Song.

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