Proton pump inhibitors and symptomatic hypomagnesemic hypoparathyroidism.

P Fatuzzo, G Portale, V Scollo, L Zanoli, Antonio Granata

Journal: Journal of nephrology 2017;30(2):297-301

PMID: 27206762

Abstract

Hypomagnesemia is a common but often overlooked problem in hospitalized patients. Unrecognized hypomagnesemia can cause serious complications. The association of hypokalemia and hypocalcemia is strongly evocative of a magnesium deficiency. Research into the causes of hypomagnesemia is imperative, as it will definitely change the approach, treatment and prognosis. We report the case of a 65-year-old man with chronic hypocalcemia and hypokalemia associated with cerebellar syndrome, a solitary seizure and cerebellar hyperintensities on magnetic resonance imaging. After the detection and treatment of hypomagnesemia with oral supplements of magnesium and the replacement of pantoprazole with ranitidine, we observed immediate relief of the symptoms. In conclusion, in clinical practice, magnesium depletion should be investigated in elderly patients with hypocalcemia treated with proton pump inhibitors for many years, in particular in the presence of neurological disorders.

Address: Department of Clinical and Experimental Medicine, School of Nephrology, University of Catania, A.O.U. "Policlinico-Vittorio Emanuele", Catania, Italy.; Nephrology and Dialysis Unit, P.O. "San Giovanni di Dio", Agrigento, Italy. [email protected].

DOI: 10.1007/s40620-016-0319-0

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MeSH Terms: 2-Pyridinylmethylsulfinylbenzimidazoles, Aged, Biomarkers, Cerebellar Diseases, Dietary Supplements, Drug Substitution, Humans, Hypocalcemia, Hypokalemia, Hypoparathyroidism, Magnesium, Male, Pantoprazole, Proton Pump Inhibitors, Pyrrolidonecarboxylic Acid, Ranitidine, Seizures, Treatment Outcome