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KMID : 1120320220080010011
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Osteoporosis and Sarcopenia
2022 Volume.8 No. 1 p.11 ~ p.16
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Hungry bone syndrome following parathyroidectomy for primary hyperparathyroidism in a developed country in the Asia Pacific. A cohort study
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Chandran Manju
Bilezikian John P.
Salleh Nurshazwani Mat
Ying Hao
Lau Joel
Lee James
de Jong Mechteld C.
Maung Aye Chan
Parameswaran Rajeev
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Abstract
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Objectives: We sought to assess the incidence of hungry bone syndrome (HBS) following parathyroidectomy (PTX) for primary hyperparathyroidism (PHPT) in a cohort of multi-ethnic patients from a developed country in the Asia Pacific.
Methods: One hundred and sixty-four patients who underwent PTX for PHPT between 2012 and 2019 at the 2 largest public hospitals in Singapore were identified. HBS was defined as serum albumin-adjusted calcium ≤ 2.1 mmol/L with normal or raised serum intact parathyroid hormone (iPTH) levels, manifesting on or after the 3rd day, or persisting for more than 3 days post-operatively.
Results: Chinese constituted 73.8%, Malays 12.2%, Indians 9.8%, and other races 4.3%. HBS developed in 4 patients (2.4%) (95% CI, 0.8%?6.5%). HBS patients had significantly longer in-hospital stays; 20 days [IQR:15?22] vs 2 days [IQR:1?3]; P < 0.001in those who did not develop HBS. There was no difference in the incidence of HBS stratifying for age, sex, vitamin D status, or use of preoperative anti-resorptive medication use. For every 10 unit increase in iPTH and alkaline phosphatase (ALP) levels, the risk of HBS increased by 14% and 11%; RR (95% CI), 1.14 (1.05?1.21) and 1.11 (1.03?1.18), respectively.
Conclusions: The low incidence of HBS in multi-ethnic patients undergoing PTX by multiple surgeons for PHPT at the 2 largest public hospitals that see the most such patients in Singapore, a developed country, is consistent with the asymptomatic/milder form of presentation of PHPT in the developed world.
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KEYWORD
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Hungry bone syndrome, Primary hyperparathyroidism, Parathyroidectomy
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