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Risk of fractures in primary hyperparathyroidism: a systematic review and meta-analysis

Osteoporosis International volume 32, pages 1053–1060 (2021)Cite this article

Abstract

An increased risk of fractures in primary hyperparathyroidism (PHPT) has been reported in a number of relatively small studies. Performing a systematic literature search, we identified available studies and calculated common estimates by pooling results from the individual studies in a meta-analysis. Searching EMBASE and PubMed, we identified published studies reporting the risk of fractures in PHPT compared to a control group. We calculated odds ratio (OR) with 95% confidence interval (CI). A total of 804 studies were identified of which 12 studies were included. Risk of any fracture was increased compared to controls (OR 2.01; 95% CI, 1.61-2.50; I2 46%, 5 studies). Analysis of fracture risk at specific sites showed an increased risk of fracture at the forearm (OR 2.36; 95% CI, 1.64-3.38; I2 0%, 4 studies) and spine (OR 3.00; 95% CI, 1.41, 6.37, I2 88%, 9 studies). Risk estimate for hip fractures was non-significantly increased (OR 1.27; 95% CI, 0.97-1.66; I2 0%, 3 studies). Risk of vertebral fractures (VFx) was also increased if analyses were restricted to only studies with a healthy control group (OR 5.76; 95% CI, 3.86-8.60; I2 29%, 6 studies), studies including patients with mild PHPT (OR 4.22; 95% CI, 2.20-8.12; I2 57%, 4 studies) or studies including postmenopausal women (OR 8.07; 95% CI, 4.79-13.59; I2 0%, 3 studies). PHPT is associated with an increased risk of fractures. Although a number of studies are limited—it seems that the risk is increased across different skeletal sites including patients with mild PHPT and postmenopausal women.

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Affiliations

  1. Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Palle Juul-Jensen Boulevard, 8200, Aarhus, Denmark

    H. Ejlsmark-Svensson, T. Harsløf & L. Rejnmark

  2. Department of Otorhinolaryngology, Head and Neck Surgery, Aarhus University Hospital, Aarhus, Denmark

    L. Rolighed

  3. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark

    L. Rejnmark

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  1. H. Ejlsmark-Svensson
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Correspondence to H. Ejlsmark-Svensson.

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Ejlsmark-Svensson, H., Rolighed, L., Harsløf, T. et al. Risk of fractures in primary hyperparathyroidism: a systematic review and meta-analysis. Osteoporos Int 32, 1053–1060 (2021). https://doi.org/10.1007/s00198-021-05822-9

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  • DOI: https://doi.org/10.1007/s00198-021-05822-9

Keywords

  • Fractures
  • Hypercalcemia
  • Meta-analysis
  • Primary hyperparathyroidism
  • Vertebral fractures