Primärer Hyperparathyreoidismus: Ein Krankheitsbild hat sich gewandelt

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Abstract
Data were retrospectively analysed on 544 consecutive patients (362 females and 182 males, mean age 53.6 [2 weeks and 86 years]) who had been operated on for primary hyperparathyroidism between 1965 and 1989. During this period the rate of renal, bone and intestinal complications decreased from 90% in the first 5 years to 29% in the last 5 years. Organ manifestations and hypercalcaemia were often combined (70% in the early period, 30% now). The proportion of those with an asymptomatic course gradually and continuously rose to 21% now. The patients'' average age at diagnosis rose from 46 .+-. 10 to 58 .+-. 14 years. Serum calcium concentrations in the last few years averaged 3.1 mmol/l, as high during the last few years as at the beginning of the period. Age, serum calcium concentration and parathyroid weight of the asymptomatic patients did not differ from those of the group as a whole.