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Minerva Urologica e Nefrologica 2001 June;53(2):81-6


language: Italian

Bioptic experience of the G. Bosco Hospital from 1996 to 1999

Quattrocchio G., Rollino C., Beltrame G., Massara C., Guarena C., Mazzucco G. 2, Sandrone M. 1, Boero R., Quarello F.

Università degli Studi - Torino Divisione di Nefrologia e Dialisi e 1 Servizio di Radiologia, Ospedale G. Bosco 2 Dipartimento di Scienze biologiche e oncologia umana Sezione di Anatomia Patologica


Background. Aim of this study was a retrospective analysis of the renal biopsies performed in our Division.
Methods. Since January 1, 1996 to September 30, 1999 289 biopsies were performed on native kidneys, 90 patients were older than 65.
Results. The most frequent nephropathy was IgA glomerulonephritis (IgAGN) (28%), followed by membranous glomerulonephritis (MGN) (11%). In patients older than 65, the most frequent was MGN (20%), followed by IgAGN (12.2%). The total complications were 84 (29.1%) (hematomas >3 cm 1%; blood transfusion: 1.4%). Complications were not related to age, blood pressure, renal function, clinical presentation, number of shots. In 217 patients, the results obtained with two different modalities were compared: manual system (needle size=15 gauge) and automatic system (18 gauge). No statistically significant differences were found as regards the number of shots for single biopsy, number of glomeruli and major complications (1.6% vs 1.3%), while minor complications were more frequent in the second group.
Conclusions. In conclusion, the number of renal biopsies performed in our Division has been increasing year after year. This trend can be partially explained by our wider indications to renal biopsy in elderly population (the data related to resident population showed the greatest prevalence of biopsies in patients 70 to 79 years old). Renal biopsy actually represents a safe examination even in elderly patients. From a technical point of view, on the basis of personal experience, 18 gauge acecut automatic needles seem to be preferred to other kind of devices.

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