Multicenter study on parathyroidectomy (PTX) in Italy: preliminary results.

Journal of Nephrology
Sandro MazzaferroItalian Study Group on Mineral Metabolism

Abstract

When medical therapy is unable to achieve biochemical control of secondary hyperparathyroidism, parathyroidectomy (PTX) is indicated, fortunately in a minority of patients. Thus, data on PTX prevalence and biochemical control are limited and, in particular in Italy, date back to 1999. We designed a prospective, observational and multicenter study to collect data from dialysis units distributed throughout the Italian regions. Clinical data were collected with a dedicated data sheet. From January to December 2010, 149 Centers serving a total of 12,515 patients provided data on 528 living PTX cases (PTX prevalence = 4.2%). Prevalence was higher in hemo- than in peritoneal dialysis (4.5 vs. 1.9%, X2 = 21.52; p < 0.001), with non-significant regional differences (range 0.8-7.4%). PTX patients were younger (57.6 ± 12.5 vs. 67.1 ± 14.5 years; p < 0.001), more frequently female (56 vs. 38%, X2 = 68.05, p < 0.001) and had been on dialysis for a longer time (14.63 ± 8.37 vs. 4.8 ± 6.0 years, p < 0.001) compared to the 11,987 who did not undergo neck surgery. Median time since surgery was 6.0 years (3.0-9.0; 50%, IQR). The most frequent type of surgery was subtotal PTX (sPTX = 55.0%), significantly higher than total PTX (tPTX = 38.7%) or ...Continue Reading

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