World journal of surgery · 2021
Predictors of Bone Mineral Density Improvement after Parathyroidectomy for Secondary Hyperparathyroidism: A Retrospective Single-Center Analysis.
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Okada Manabu, Tominaga Yoshihiro, Tomosugi Toshihide, Hiramitsu Takahisa, Ichimori Toshihiro, Sato Tetsuhiko
Аннотация
BACKGROUND: Parathyroidectomy (PTx) reportedly increases bone mineral density (BMD) in patients with severe secondary hyperparathyroidism (SHPT). To date, however, there has not been sufficient evidence on predictors of BMD improvement post-PTx for SHPT, an issue the present retrospective cohort study aimed to address.
METHODS: A total of 173 SHPT patients who underwent total PTx with forearm autograft between 2009 and 2017 were included in the present study. Demographic information, perioperative laboratory data and pre- and post-PTx BMD values (measured by dual-energy X-ray absorptiometry) were collected from their medical records. The change in BMD post-PTx in the lumbar spine was evaluated as the primary outcome. Then, a multivariate logistic regression analysis was performed for a ≥ 10% increase in BMD post-PTx.
RESULTS: Overall, the median BMD in the lumbar spine was increased by 8.7% post-PTx. The multivariate logistic regression analysis revealed that age ≥ 70 years (P = 0.005; odds ratio [OR], 0.138; 95% confidence interval [CI]: 0.034-0.555), serum Ca level (P = 0.017; OR, 0.598; 95% CI: 0.392-0.911) and pre-PTx BMD in the lumbar spine (P = 0.003; OR, 0.013; 95% CI: 0.001-0.229) were negatively associated with a ≥ 10% increase in BMD post-PTx.
CONCLUSION: Our study demonstrated that presurgical age, serum Ca levels and BMD values could better predict an improvement in BMD post-PTx in SHPT patients.
METHODS: A total of 173 SHPT patients who underwent total PTx with forearm autograft between 2009 and 2017 were included in the present study. Demographic information, perioperative laboratory data and pre- and post-PTx BMD values (measured by dual-energy X-ray absorptiometry) were collected from their medical records. The change in BMD post-PTx in the lumbar spine was evaluated as the primary outcome. Then, a multivariate logistic regression analysis was performed for a ≥ 10% increase in BMD post-PTx.
RESULTS: Overall, the median BMD in the lumbar spine was increased by 8.7% post-PTx. The multivariate logistic regression analysis revealed that age ≥ 70 years (P = 0.005; odds ratio [OR], 0.138; 95% confidence interval [CI]: 0.034-0.555), serum Ca level (P = 0.017; OR, 0.598; 95% CI: 0.392-0.911) and pre-PTx BMD in the lumbar spine (P = 0.003; OR, 0.013; 95% CI: 0.001-0.229) were negatively associated with a ≥ 10% increase in BMD post-PTx.
CONCLUSION: Our study demonstrated that presurgical age, serum Ca levels and BMD values could better predict an improvement in BMD post-PTx in SHPT patients.