Hypercalcemia-Induced Hypokalemic Metabolic Alkalosis in a Multiple Myeloma Patient: The Risk of Furosemide Use

Autor: Ira W. Reiser, Slamat Ali, Vladimir Gotlieb, Samuel Spitalewitz
Jazyk: angličtina
Rok vydání: 2015
Předmět:
Zdroj: Case Reports in Oncology, Vol 8, Iss 3, Pp 389-393 (2015)
Druh dokumentu: article
ISSN: 1662-6575
DOI: 10.1159/000439377
Popis: Hypercalcemia is often seen in patients with malignancies, and in the past treatment for this has traditionally included loop diuretics. Clinically, patients with hypercalcemia frequently present with polyuria and volume contraction which may be further exacerbated by diuretic therapy. In the lab, hypercalcemia has been shown to activate the calcium-sensing receptor in the thick ascending limb of Henle and inactivate the 2 chloride sodium potassium co-transporter and induce a hypokalemic metabolic alkalosis, an effect similar to that of the loop diuretic furosemide. We now report what may well be the first clinical correlate of this laboratory finding in a patient who developed a hypokalemic metabolic alkalosis as a consequence of severe hypercalcemia due to multiple myeloma and whose metabolic derangement was corrected without the use of a loop diuretic which may have exacerbated the electrolyte abnormalities.
Databáze: Directory of Open Access Journals
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