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Komplikationen nach Ileumconduitanlage

Harnableitungsspezifische Komplikationen nach radikaler Zystektomie

Complications after ileal conduit

Urinary diversion-associated complications after radical cystectomy

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Zusammenfassung

Fragestellung

Wir untersuchten die Rate harnableitungsspezifischer Komplikationen nach radikaler Zystektomie (RC) und Ileumconduitanlage (IC-Anlage).

Patienten und Methoden

305 Blasentumorpatienten nach RC und IC-Anlage konnten eingeschlossen werden (06/2003–12/2010). IC-Komplikationen (parastomale Hernien, Ureterimplantations- und IC-Stenosen, IC-Blutungen, Urolithiasis, fieberhafte Harnwegsinfekte, Niereninsuffizienz) wurden nach Clavien-Dindo (CDC) erfasst. Kaplan-Meier-Kurven wurden berechnet. Uni- und multivariable Cox’sche Regressionsanalysen mit rückwärtsgerichteter Selektion testeten den Effekt von Alter, abdomineller/pelviner Radiatio oder Voroperation vor RC, Adipositas, Komorbiditäten und fortgeschrittenem Tumorstadium auf das Auftreten einer hochgradigen IC-Komplikation (CDC ≥ III) sowie die Durchführung einer IC-Revision.

Ergebnisse

32,7 und 13,4 % unserer Patienten entwickelten eine IC-Komplikation (CDC ≥ I) und eine hochgradige IC-Komplikation (CDC ≥ III). 14,8 %, 4,6 % und 4,3 % entwickelten eine parastomale Hernie, eine Ureterimplantations- oder eine IC-Stenose. 10,5 % der Patienten mussten sich einer IC-Revision unterziehen (medianes Follow-up 19,5 Monate, IQA 7-47). Die geschätzte IC-Komplikationsrate nach 5 Jahren lag bei 52 % (CDC ≥ I) und 22 % (CDC ≥ III). Die multivariable Analyse zeigte, dass vorbestrahlte (HR 4,33) adipöse (HR 2,24) Patienten nach längerer RC-Dauer (HR 1,01), einem Risiko für eine IC-Revision ausgesetzt sind. Adipositas (HR 2,49; alle p < 0,05) war ein Risikofaktor für hochgradige Komplikationen.

Diskussion

Das Risiko für eine hochgradige IC-Komplikation oder eine IC-Revision ist moderat. Vorbestrahlte, komorbide und adipöse Patienten haben ein erhöhtes Risiko für eine IC-Revison. Adipositas stellt zudem einen Risikofaktor für hochgradige IC-Komplikationen dar.

Abstract

Background

We analyzed complications associated with urinary diversion after radical cystectomy (RC) and ileal conduit (IC) for bladder cancer (BCa).

Patients and methods

A total of 305 BCa patients after RC with IC were included in the study (June 2003–December 2010). IC complications (peristomal hernia, IC stenosis, stenosis of the ureteral anastomosis, IC bleeding, urolithiasis, urinary infections, and renal insufficiency) were identified according to the Clavien–Dindo classification (CDC). Kaplan–Meier plots were generated. Uni- and multivariable Cox regression analyses with backward selection for prediction of high-grade complications (CDC ≥ III) and IC revision surgery were conducted; covariates included age, previous abdominal/pelvic radiation, body mass index (BMI), previous abdominal/pelvic surgery, comorbidities, and advanced tumor stage.

Results

An IC complication (CDC ≥ I) or a high-grade IC complication (CDC ≥ III) was experienced by 32.7 and 13.4 % of our cohort: 14.8 %, 4.3 %, 4.6 % developed a peristomal hernia, IC stenosis, stenosis of the ureteral anastomosis, respectively. IC revision was required by 10.5 % of patients (median follow-up 19.5 months, IQR 7–47 months). The estimated rate of IC complications at 5 years was 52 % (CDC ≥ I) and 22 % (CDC ≥ III). The final model of the multivariable analysis showed that patients with a history of previous radiation (HR 4.33), a BMI ≥ 30 (HR 2.24), or longer duration of surgery (HR 1.01; all p < 0.05) were at higher risk for IC revision surgery. A BMI ≥ 30 (HR 2.49, p = 0.011) was a risk factor for high-grade complications.

Conclusion

The risk of experiencing a high-grade IC complication is moderate. Previous radiation, obesity, and comorbidities represent risk factors for IC revision surgery. Moreover, obesity is a risk factor for high-grade complications.

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Abbreviations

AIC:

Aikaike Information Criterion

ASA:

American Society of Anesthesiologists Score

BMI:

Body-Mass-Index

CCI:

Charlson-Komorbiditätsindex

CDC:

Clavien-Dindo-Klassifikation

CI:

Konfidenzintervall

HR:

Hazard Ratio

HWI:

Harnwegsinfekte

IC:

Ileumconduit

ICU:

Intensive Care Unit

IMC:

Intermediate Care Unit

IQA:

Interquartilenabstand

NB:

Orthotope Neoblase

RC:

Radikale Zystektomie

Ref.:

Referenz

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Einhaltung ethischer Richtlinien

Interessenkonflikt. F. Roghmann, M. Gockel, J. Schmidt, J. Hanske, N. von Landenberg, B. Löppenberg, K. Braun, C. von Bodman, J. Pastor, J. Palisaar, J. Noldus und M. Brock geben an, dass kein Interessenkonflikt besteht.

Dieser Beitrag beinhaltet keine Studien an Menschen oder Tieren.

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Correspondence to F. Roghmann.

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F. Roghmann und M. Gockel haben zu gleichen Teilen zu dieser Arbeit beigetragen.

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Roghmann, F., Gockel, M., Schmidt, J. et al. Komplikationen nach Ileumconduitanlage. Urologe 54, 533–541 (2015). https://doi.org/10.1007/s00120-015-3812-5

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