Fethi Ben Hamida *,Samia Barbouche ,Imed Helal ,Ounissi Mondher ,Lilia Ben Fatma ,Wided Smaoui ,Chams Gharbi ,Cyrine Karoui ,Adel Kheder ,Hedi Ben Maiz ,Taieb Ben Abdallah
In Tunisia, data assessing the status of mineral and bone disorders (MBD) among dialysis patients is scarce. In order to address this gap in the literature, we sought to conduct this observational study including 4868 patients from 108 hemodialysis facilities nationwide, aiming to: (i) report parameters of MBD during the first quarter 2006, (ii) determine the levels of compliance with the recommendations of the Kidney Disease Outcome Quality Initiative (K/ DOQI), and (iii) compare these levels of compliance with those of Dialysis Outcomes and Practice Patterns Study (DOPPS). Mean serum phosphorus, calcium, calcium- phosphorus product and intact parathyroid hormone (iPTH) concentrations were respectively 1.74 mmol/L, 2.28 mmol/L, 3.95 mmol²/l² and 254 pg/ml. MBD’s measures were met the K/DOQI’s guidelines in 44.1% of cases for serum phosphorus, 42.5% of cases for serum calcium, 68.6% of the cases for calcium phosphorus product, 20.2% of cases for iPTH and 3.3% of cases for these four parameters taken together. These results were comparable to those observed in the DOPPS study. The most phosphate binder prescribed was calcium carbonate (91.2% of cases) with high average daily dose (superior to 1500 mg in 45.8% of cases). Sevelamer and aluminum salt were prescribed respectively in 0.5% and 0.10% of patients. The only active vitamin D available in Tunisia was alfacalcidol; it was prescribed in 49.7% of patients with a mean weekly dose of 4.04 μg. A calcium dialysate bath of 1.75; 1.50 and 1.25 mmol/L were prescribed respectively in 80.2%, 14.7% and 5.1% of cases. This is the first exhaustive study reporting MBD abnormalities in Tunisia and, to our knowledge, in Africa. A second study was stated in January
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