Perioperative magnesium levels in total thyroidectomy and relationship to hypocalcemia
Background We have previously shown an association between hypomagnesemia and hypocalcemia after thyroidectomy. However, little is known regarding the trend in magnesium levels in the days after thyroidectomy. Our objective was to study this trend in magnesium levels after thyroidectomy. Methods Ret...
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Published in | Head & neck Vol. 41; no. 6; pp. 1713 - 1718 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Hoboken, USA
John Wiley & Sons, Inc
01.06.2019
Wiley Subscription Services, Inc |
Subjects | |
Online Access | Get full text |
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Summary: | Background
We have previously shown an association between hypomagnesemia and hypocalcemia after thyroidectomy. However, little is known regarding the trend in magnesium levels in the days after thyroidectomy. Our objective was to study this trend in magnesium levels after thyroidectomy.
Methods
Retrospective review of 173 thyroidectomies with analysis of calcium and magnesium levels on postoperative day 1 (POD1) and POD2.
Results
Across the whole group, there was a highly significant decline in magnesium levels between preoperative (0.87 ± 0.06 mmol/L), POD1 (0.80 ± 0.07 mmol/L), and POD2 (0.78 ± 0.08 mmol/L) (P < .0001). The magnitudes of the magnesium level declines were significantly higher, and the absolute magnesium levels on POD1 and POD2 significantly lower, in patients developing hypocalcemia (n = 69).
Conclusion
Magnesium levels after total thyroidectomy demonstrate a downward trajectory which persists through POD2 and is highly correlated with hypocalcemia. Further study is required to determine if magnesium replacement can alter the course of hypocalcemia in hypocalcemic patients after total thyroidectomy. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 1043-3074 1097-0347 |
DOI: | 10.1002/hed.25644 |