The beneficial effect of effective control of anemia on hyperinsulinemia and hypoxemia in a hemodialysis patient with corrected transposition of the great arteries

Clinical and Experimental Nephrology
Naoya IgakiTakeo Goto

Abstract

We report the beneficial effect of control of anemia on hyperinsulinemia and hypoxemia in a hemodialysis patient with corrected transposition of the great arteries. The patient's hemoglobin (Hb) level of 10.3 g/dl on admission represents good control for hemodialysis (HD) patients, but it was too low for this patient with secondary polycythemia because of a right-to-left shunt. Control of anemia for a 10-month period was followed by a marked increase in Hb level (from 10.3 g/dl to 13.9 g/dl) and in aerobic work capacity, while the fasted insulin level decreased from 36.7 microU/ml to 8.0 microU/ml, without changes in leptin level, body mass index (BMI), fat mass, Kt/V, or protein catabolic rate (PCR). Additionally, hypoxemia was ameliorated, from PO2 33.1 mmHg to PO2 56.2 mmHg, and the hyperdynamic cardiac state was improved. The degree of anemia, together with deteriorating tissue oxygenation, may have predisposed this patient to developing insulin resistance and consequent hyperinsulinemia. The most appropriate target Hb concentration should be tailored for the clinical condition of each individual patient, bearing in mind an insulin-resistance state, especially in hemodialysis patients with hypoxemia. A more complete underst...Continue Reading

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