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DOI: 10.1055/a-1205-0367
Spleen Stiffness Measurements Predict the Risk of Hepatic Decompensation After Direct-Acting Antivirals in HCV Cirrhotic Patients
Messungen der Milzsteifigkeit zur Vorhersage des Risikos einer hepatischen Dekompensation nach direkt antiviral wirksamen Substanzen bei Patienten mit HCV-Zirrhose![](https://www.thieme-connect.de/media/ultraschall/202203/lookinside/thumbnails/uim-3102_10-1055-a-1205-0367-1.jpg)
Abstract
Purpose Little evidence is available regarding the risk of hepatic decompensation (HD) after direct-acting antivirals (DAAs) in patients with advanced chronic liver disease. Our aim was to assess the risk of decompensation and the prognostic role of noninvasive tests, such as liver (LSM) and spleen (SSM) stiffness measurements, in the prediction of decompensation after sustained virologic response (SVR) by DAAs.
Materials and Methods A cohort study involving 146 cirrhotic patients treated with DAAs in our tertiary center with LSM and SSM available both before and six months after treatment (SVR24). A historical cohort of 92 consecutive cirrhotic patients with active HCV was used as a control group. A propensity score inverse probability weighting method was used to account for differences between the groups. Time-dependent models for the prediction of decompensation were applied to account for changes in noninvasive tests after therapy.
Results The decompensation incidence in the DAA cohort was 7.07 (4.56–10.96) per 100 person-years (PYs), which was significantly lower than in the active HCV cohort. The DAA therapy was an independent protective factor for HD development (SHR: 0.071, 95 %-CI: 0.015–0.332). SSM ≥ 54 kPa was independently associated with decompensation despite SVR achievement (SHR: 4.169, 95 %-CI: 1.050–16.559), alongside with a history of decompensation (SHR: 7.956, 95 %-CI: 2.556–24.762). SSM reduction < 10 % also predicted the risk of decompensation after SVR24.
Conclusion The risk of decompensation was markedly reduced after DAA therapy, but it was not eliminated. Paired SSM values stratified the risk of decompensation after SVR better than other noninvasive tests.
Zusammenfassung
Ziel Über das Risiko einer hepatischen Dekompensation (HD) nach direkt antiviral wirksamen Substanzen (DAA) bei Patienten mit fortgeschrittener chronischer Lebererkrankung gibt es nur wenig Evidenz. Unser Ziel war es, das Risiko einer Dekompensation und den prognostischen Wert nichtinvasiver Tests wie Messungen der Lebersteifigkeit (LSM) und Milzsteifigkeit (SSM) zur Vorhersage einer Dekompensation nach anhaltendem virologischem Ansprechen (SVR) unter DAA zu bewerten.
Material und Methoden Kohortenstudie mit 146 Zirrhose-Patienten, die in unserem Tertiärzentrum mit DAAs behandelt wurden, wobei LSM und SSM sowohl vor als auch 6 Monate nach der Behandlung verfügbar waren (SVR24). Eine historische Kohorte von 92 konsekutiven zirrhotischen Patienten mit aktiver HCV wurde als Kontrollgruppe verwendet. Um die Unterschiede zwischen den Gruppen zu berücksichtigen, wurde die Propensity-Score-Methode („inverse probability weighting“) verwendet. Zeitabhängige Modelle zur Prädiktion der Dekompensation wurden angewandt, um Veränderungen in den nichtinvasiven Tests nach Therapie zu berücksichtigen.
Ergebnisse Die Dekompensations-Inzidenz in der DAA-Kohorte betrug 7,07 (4,56–10,96) pro 100 Personenjahre (PYs), was signifikant niedriger war als in der aktiven HCV-Kohorte. Die DAA-Therapie war ein unabhängiger protektiver Faktor für die Entwicklung einer HD (SHR: 0,071; 95 %-KI 0,015–0,332). SSM ≥ 54kPa war trotz erfolgreichem SVR unabhängig mit Dekompensation assoziiert (SHR: 4,169; 95 %-KI 1,050–16,559), zusammen mit früher aufgetretener Dekompensation (SHR: 7,956; 95 %-KI 2,556–24,762). Eine SSM-Reduktion < 10 % sagte auch das Risiko einer Dekompensation nach SVR24 voraus.
Schlussfolgerung Das Risiko einer Dekompensation war nach DAA-Therapie deutlich reduziert, aber nicht eliminiert. Gepaarte SSM-Werte stratifizierten das Risiko einer Dekompensation nach SVR besser als andere nichtinvasive Tests.
Key words
spleen stiffness measurement - liver stiffness measurement - transient elastography - sustained virologic response - abdomenPublikationsverlauf
Eingereicht: 02. Oktober 2019
Angenommen: 31. Mai 2020
Artikel online veröffentlicht:
16. Juli 2020
© 2020. Thieme. All rights reserved.
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