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Urologe A. 2012 Oct;51(10):1438-43. doi: 10.1007/s00120-012-2971-x.

[Diagnostic puncture of the renal pelvis: avoidance of urinary diversion in cases of hydronephrosis and non-specific fever].

[Article in German]

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Klinik für Urologie und Kinderurologie, Helios Klinikum Wuppertal, Universität Witten/Herdecke, Heusnerstraße 40, 42285 Wuppertal, Deutschland.



There are individual cases especially of elderly or palliative patients with hydronephrosis and non-specific fever where a urinary diversion should be avoided in favor of quality of life. For these purposes this study presents the method and the results obtained with a diagnostic puncture of the renal pelvis.


Demographic data, indications for urinary diversion and the disease leading to hydronephrosis were retrospectively recorded from the operation reports of all percutanous nephrostomy procedures from 2007 to 2012. All cases in which a diagnostic puncture of the renal pelvis was conducted to potentially avoid placing a nephrostomy tube were considered separately.


From January 2007 to May 2012 a total of 476 percutanous nephrostomies were accomplished in this department. The most frequent indication for nephrostomy was acute renal failure in 55.3% of cases followed by septic laboratory constellations (33.1%) and colic (10.9%). Of the 148 cases of hydronephrosis combined with sepsis, a diagnostic puncture of the renal pelvis was accomplished in 20.1%. In these cases the hydronephrosis had an underlying urological origin in 71.0%, reaching statistical significance with reference to the complete collective (p=0.034). In 21 out of 34 nephrology units (61.8%) it was possible to avoid nephrostomy due to clear urine and immediate urinanalysis without any evidence for infection. In the other cases a nephrostomy tube was placed.


Using a diagnostic puncture of the renal pelvis a nephrostomy could be avoided in over 50% of cases with a combination of hydronephrosis and non-specific fever in favor of quality of life.

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