Abstract: Bone mineral density in fibromyalgia patients–correlation to disease activity

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Scand J Rheumatol. 2003;32(3):146-50.  Jensen B, Wittrup IH, Bliddal H, Danneskiold-Samsoe B, Faber J.  Parker Institute, Frederiksberg Hospital, Copenhagen, Denmark. Bjensen@aab11.dk

OBJECTIVE: To compare bone mass (BMD) in women with fibromyalgia (FM) with healthy females, and to evaluate whether self-reported pain and lack of functional capacity correlate to reduced BMD in FM patients.

METHODS: Thirty-one FM patients (20 pre- and 11 postmenopausal) and fourty-one healthy women (30 pre- and 10 postmenopausal) were enrolled in the study. BMD of the lumbar spine and the femoral neck was measured by a DEXA (Norland) scanner. Self reported pain was measured on a Visual Analog Scale (VAS). The Activity of Daily Living (ADL) component of the Fibromyalgia Impact Questionnaire (FIQ-ADL) was used as measure for physical capacity.

RESULTS: BMD-lumbar spine and BMD-femoral neck did not differ significantly between FM patients and controls, though premenopausal FM patients tended to have lower BMD-femoral neck (p = 0.09). Self reported pain and FIQ-ADL among FM patients correlated with BMD-femoral neck (r(s) = -0.52, p = 0.003); (r(s) = -0.31, p = 0.09).

CONCLUSION: Premenopausal FM patients tended to have lower BMD of hip than controls. Self reported pain correlated negatively to BMD. Thus, the severity of FM might have a negative impact on bone mass.

PMID: 12892250 [PubMed – in process]

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