Zusammenfassung
Patienten mit fortgeschrittener Lebererkrankung weisen im Vergleich zu Lebergesunden
eine erhöhte Morbidität und Mortalität nach Leberresektion und nicht hepatischen abdominalchirurgischen
Eingriffen auf. Weiterhin stellt das Auftreten eines postoperativen Leberversagens
ein relevantes klinisches Problem dar. Zur Einschätzung der perioperativen Mortalität
und der hepatischen Funktion stehen Scoring-Systeme, verschiedene klinische Parameter
sowie statische und dynamische Leberfunktionstests zur Verfügung. In letzter Zeit
gewinnt komplementär zur Child-Turcotte-Pugh-Klassifikation der Einsatz des Model-for-End-Stage-Liver-Disease-Systems
(MELD-System) zunehmend an Bedeutung. Patienten im Child-Turcotte-Pugh-Stadium C und
einem MELD-Score > 14 gelten in der Regel als inoperabel. Bei Patienten im Child-Turcotte-Pugh-Stadium
B und einem MELD-Score > 8 – 14 sollte ein operativer Eingriff sorgfältig abgewogen
werden. Patienten im Child-Turcotte-Pugh-Stadium A und einem MELD-Score ≤ 8 weisen
ein geringes perioperatives Risiko auf. Obgleich bisher nicht fest etabliert, können
zur Planung insbesondere leberchirurgischer Eingriffe bei Patienten mit Leberzirrhose
im Stadium A (MELD-Score ≤ 8) dynamische Testverfahren wichtige Informationen über
die zu erwartende residuelle hepatische Funktion bringen. Dabei erscheinen nach aktueller
Datenlage die Indocyaningrün-Clearance (ICG-Clearance) und der Monoethylglycinxylid-Test
(MEGX-Test) am besten geeignet.
Abstract
Patients with advanced liver disease show increased morbidity and mortality after
hepatic resection and non-hepatic digestive surgery. Furthermore, postoperative liver
failure is associated with a poor outcome, representing an important clinical problem.
For evaluation of the perioperative mortality and the hepatic function, several scoring
systems, clinical parameters, and static and dynamic tests are available. Recently,
the Model for End-Stage Liver Disease (MELD) has been shown to provide a complementary
predictive value to the widely used Child Turcotte Pugh score. Patients with Child
Turcotte Pugh class C cirrhosis and MELD scores > 14 are generally not considered
for surgical intervention. Patients with Child Turcotte Pugh class B cirrhosis and
MELD scores > 8 – 14 have an increased perioperative risk and the indication for surgery
should be assessed carefully. In patients with Child Turcotte Pugh class A cirrhosis
and MELD scores of ≤ 8, perioperative mortality is low. Although not routinely used,
dynamic tests can provide additional information on the expected residual hepatic
function in patients with Child Turcotte Pugh class A cirrhosis and MELD scores of
≤ 8 in whom hepatic resection is needed. Besides other dynamic tests, the indocyanine
green (ICG) clearance and the monoethylglycinxylid (MEGX) clearance tests have been
satisfactorily evaluated.
Schlüsselwörter
Leber - kolorektales Karzinom - Darm
Key words
liver - colorectal carcinoma - intestine
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Dr. Wolf Peter Hofmann
Medizinische Klinik 1, Klinikum der Johann-Wolfgang-Goethe-Universität
Theodor-Stern-Kai 7
60590 Frankfurt am Main
Telefon: ++ 49/69/63 01 48 40
Fax: ++ 49/69/63 01 64 48
eMail: hofmann@med.uni-frankfurt.de