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. 2020 Sep 14;20(1):141.
doi: 10.1186/s12902-020-00622-4.

Identification of independent factors affecting bone mineral density after successful parathyroidectomy for symptomatic hyperparathyroidism

Shuai Lu  1 , Maoqi Gong  1 , Yejun Zha  1 , Aimin Cui  2 , Chen Chen  1 , Weitong Sun  1 , Kehan Hua  1 , Wei Tian  3 , Xieyuan Jiang  4
Affiliations

Identification of independent factors affecting bone mineral density after successful parathyroidectomy for symptomatic hyperparathyroidism

Shuai Lu et al. BMC Endocr Disord. .

Abstract

Background: Studies have shown that the response of bone mineral density (BMD) to parathyroidectomy for symptomatic primary hyperparathyroidism (PHPT) is heterogeneous and difficult to predict. However, the independent factors affecting BMD in PHPT patients after parathyroidectomy remains limited and inconclusive. This study aimed to explore the independent factors affecting BMD changes in symptomatic PHPT patients after parathyroidectomy.

Methods: This study retrospectively analyzed 105 patients with symptomatic PHPT treated at Beijing Jishuitan Hospital between January 2010 and December 2015. The primary outcome was a > 10% increase in BMD at 3 years after parathyroidectomy compared with the preoperative value, whereas the secondary outcomes were BMD changes at various measurement sites.

Results: A total of 105 patients with a mean age of 46.37 years were included in this study. Univariate logistic regression analysis indicated that hypertension (odds ratio [OR[: 0.032; 95% confidence interval [CI]: 0.001-0.475; P = 0.012), and parathyroid hormone level (OR: 1.006; 95% CI: 1.004-1.009; P = 0.044) were associated with the > 10% BMD increase. However, these results were not significant after adjustments for potential confounders. Moreover, the BMD values at the lumbar spine, femoral neck, femoral trochanter, Ward's triangle, and whole body after parathyroidectomy were significantly greater than those before the operation (P < 0.05).

Conclusions: This study suggests that patient characteristics were not associated with the > 10% BMD increase. However, the BMD values of the femur and lumbar spine were significantly increased in symptomatic PHPT patients after parathyroidectomy.

Keywords: Bone mineral density; Parathyroidectomy; Severe hyperparathyroidism.

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Conflict of interest statement

The authors declare that they have no conflict of interest.

Figures

Fig. 1
Fig. 1
The changes of BMD in lumbar spine and total hip after parathyroidectomy
Fig. 2
Fig. 2
The changes of BMI in specific sites of lumbar spine after parathyroidectomy
Fig. 3
Fig. 3
The changes of BMI in femoral neck, Ward’s triangle, and great trochanter after parathyroidectomy
See this image and copyright information in PMC

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