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[Atypical electrolytic disorders in patients with diseases of the blood system]
Aim:
To describe and analyze rare iatrogenic disturbances of water-electrolyte and acid-base balances in systemic blood diseases.
Material And Methods:
Five cases of life-threatening electrolytic imbalance resultant from therapy in patients with hemoblastoses and a patient with acute intermittent porphyria (AIP).
Results:
Hyperkalemia arose in 2 patients treated with cyclosporin A and trimethoprim-sulfamethoxasole. One patient developed severe arrhythmia because of hypomagnesemia following long-term therapy with aminoglycosides and amphotericin B. In one AIP patient hyponatremia ending in coma was attributed to the disease activity and infusion therapy. This was the cause of coma. In a patient with acute leukemia and pneumonia amphotericin B therapy entailed distal renal tubular acidosis and marked dyspnea which was primarily mistaken for acute respiratory failure. Pathogenetic, diagnostic and therapeutic aspects of the above water-electrolyte defects are provided.
Conclusion:
The appearance of water-electrolyte imbalance in hemoblastosis patients calls up a detailed analysis of the going-on therapy whether the imbalance is iatrogenic.
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