Osteoporosis as a risk factor for the recurrence of benign paroxysmal positional vertigo
- 8 April 2013
- journal article
- research article
- Published by Wiley in The Laryngoscope
- Vol. 123 (11), 2813-2816
- https://doi.org/10.1002/lary.24099
Abstract
Objectives/Hypothesis Benign paroxysmal positional vertigo (BPPV) frequently occurs in females over 50 years old, suggesting that a postmenopausal decrease in estrogen secretion might be involved in its onset. An estrogen deficiency is generally known to cause osteoporosis through a reduction in bone mass. This study was designed to investigate a clinical association between idiopathic BPPV and osteoporosis. Study Design Case-control study. Methods We measured the bone mineral density (BMD) at the lumbar vertebrae in 61 patients with idiopathic BPPV who were postmenopausal women over 50 years old using dual-energy x-ray absorptiometry. After being treated with the canalith repositioning maneuver, the patients were followed up for at least 1 year. Results Our results showed that the incidence of osteoporosis in patients with BPPV was 26.2%, which was similar to those observed in epidemiological surveys conducted in Japan. However, we found that in BPPV patients with osteoporosis, the incidence of recurrence was 56.3%, which was significantly higher than that observed in patients with normal bone mineral density (16.1%). Furthermore, the frequency of BPPV recurrence increased as BMD decreased. Conclusions These results suggest that osteoporosis is a risk factor for BPPV recurrence. The prognosis of BPPV might be clinically predicted by BMD reduction. Level of Evidence 3b Laryngoscope, 123:2813–2816, 2013Keywords
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