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Introduction: Hypercalcemia is the most common metabolic complication in myeloma. The aim of this study was to evaluate the management strategy of hypercalcemia in myeloma at the nephrology department of Louis Pasteur hospital of Chartres. Patients and Methods: We carried a retrospective study of patients treated for myeloma-related hypercalcemia between January 1, 2019 to December 31, 2021. The clinical, paraclinical, therapeutic and evolutive characteristics were studied. Results: Eight patients were included in this study with a median age of 67 years [41 -85] and a sex ratio (M/F) of 1. A quarter of patients were known with chronic kidney disease. Four patients (50%) had symptoms of hypercalcemia. Biologically, the mean hemoglobin was 9.8 ± 2.7 g/dl, all patients had an acute kidney injury with a mean creatinine level of 364.1 ± 173.3 mmol/l, a mean serum calcium of 3.42 ± 0.59 mmol/l and three quarter of patients had bone lesions. Five patients (62.5%) were rehydrated with a mean volume of saline of 2700 ± 836.7 ml/24h. Seven patients (87.5%) received biphosphonates and none received diuretics. The mean normalization time of the serum calcium was 5 days. Conclusion: Hypercalcemia is frequent in malignancy and represents a poor prognosis factor of the disease. A well-conducted therapeutic strategy allows rapid normalization.

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This study showed that access to care is poor for majority of patients with CKD in Saint-Louis. Identification of the main barriers will help define appropriate strategies to achieve universal access to quality renal care.