Why the study?
Does open-heart surgery cause greater changes in serum and urinary magnesium levels compared to non-perfusion thoracic operations?
Does open-heart surgery cause greater changes in serum and urinary magnesium levels compared to non-perfusion thoracic operations?
Open-heart surgery is associated with more profound and prolonged postoperative hypomagnesemia and hypomagnesuria compared to non-perfusion thoracic surgery.
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Magnesium monitoring merits consideration after open-heart surgery; hypothesis-generating for repletion trials before practice change.
Holden et al. (1972) studied this question.
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