Zusammenfassung
Fragestellung: Welches sind die Ergebnisse (Kontinenzraten), Komplikationen und Revisionsraten nach
Implantation eines artifiziellen Sphinkters zur Therapie der Stressinkontinenz nach
radikaler Prostatektomie? Material und Methode: Zwischen 1973 und März 2000 erhielten 428 von insgesamt 1002 Patienten einen artefiziellen
Sphinkter (AMS 800) wegen einer Inkontinenz nach radikaler Prostatektomie. Das mittlere
Alter lag bei 67,7 (53 - 75) Jahren. Bei zwei Drittel der Patienten wurde die Manschette
primär membranös, bei den restlichen Patienten als distaler Doppelcuff (75 % primär,
25 % sekundär) implantiert. Ergebnisse: 408 Patienten konnten im Mittel 48 Monate nachbeobachtet werden. 87 % der Patienten
waren kontinent. Durch den distalen Doppelcuff konnte die Kontinenzrate auf 95 % erhöht
werden. Bei 2,2 % musste der Sphinkter explantiert werden. 156 Revisionen (38,2 %)
wurden bei 118 Patienten (29,9 %) erforderlich. Gewebebezogene Komplikationen waren
häufiger als mechanische Fehler. Schlussfolgerungen: Der artifizielle Sphinkter zeigt deutlich bessere Ergebnisse als alternative Verfahren.
Trotz der Revisionsrate ist die Patientenzufriedenheit sehr hoch.
Abstract
Purpose: To evaluate continence rate, complications and revision rates after implantation
of an artificial urinary sphincter for the treatment of postprostatectomy incontinence.
Material and Methods: Betweeen January 1973 and March 2000, an artificial urinary sphincter (AMS 800) was
implanted in 1002 patients to treat urinary incontinence; in 428, incontinence was
due to radical prostatectomy. Mean age of this patient group was 67.7 (53 - 75) years.
In two-thirds of the 428 patients, the primary sphincter was placed around the membranous
urethra, in the remaining patients around the distal urethra using double cuffs (75
% primary, 25 % secondary implantation). Results: Follow-up was available in 408 patients with a mean of 48 months. Of these, 87 %
were continent after primary sphincter implantation. Secondary implantation of a distal
double cuff in the incontinent patients raised the continence rate to 95 %. Sphincter
explantation rate was 2.2 %. 156 revisions (38.2 %) became necessary in 118 (29.9
%) patients. Tissue-associated complications were observed more often than mechanical
failures. Conclusions: For treatment of post radical prostatectomy urinary incontinence, the artificial
urinary sphincter is superior to all other alternative procedures. Patient acceptance
is extraordinarily high despite the high complication and revision rates.
Schlüsselwörter
Stressinkontinenz - Z. n. radikaler Prostatektomie - artifizieller Sphinkter
Key words
urinary incontinence - post-radical prostatectomy - artificial urinary sphincter
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Priv. Doz. Dr. M. Fisch
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