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Published on: June 18, 2020
Carvedilol use is associated with improved survival in patients with liver cirrhosis and ascites
Rohit Sinha1, Khalida A Lockman2, Nethmee Mallawaarachchi2
1Liver Unit, The Royal Infirmary of Edinburgh and The University of Edinburgh, Edinburgh, United Kingdom; Hepatology Laboratory, The Royal Infirmary of Edinburgh and The University of Edinburgh, Edinburgh, United Kingdom.
Insights
Long-term carvedilol use in patients with liver cirrhosis and ascites significantly improves survival and is not associated with increased mortality. This study suggests carvedilol is safe and beneficial for this patient population.
Area of Science:
- Hepatology and Gastroenterology
- Pharmacology and Therapeutics
- Clinical Medicine
Background:
- Carvedilol, a non-selective beta-blocker (NSBB) with anti-alpha 1 activity, is used for variceal bleeding prophylaxis.
- Safety concerns exist regarding carvedilol use in decompensated liver cirrhosis patients with ascites.
- The impact of long-term carvedilol on mortality in cirrhotic patients with ascites requires investigation.
Purpose of the Study:
- To evaluate the safety and efficacy of long-term carvedilol therapy in patients with liver cirrhosis and ascites.
- To determine if carvedilol use is a risk factor for mortality in this patient group.
- To assess the effect of carvedilol on survival rates in patients with varying degrees of ascites.
Main Methods:
- Retrospective analysis of 325 consecutive patients with liver cirrhosis and ascites.
- Propensity score matching created comparable groups of 132 patients receiving carvedilol and 132 not receiving it.
- Primary outcome: all-cause and liver-specific mortality over a median follow-up of 2.3 years.
Main Results:
- Carvedilol group showed significantly better long-term survival (24%) compared to the non-carvedilol group (2%) (log-rank p<0.0001).
- Adjusted analysis revealed a 41% reduction in mortality risk with carvedilol (HR 0.59, 95% CI: 0.44-0.80, p=0.001).
- Carvedilol use was not associated with increased mortality, even in patients with moderate to severe ascites.
Conclusions:
- Long-term carvedilol therapy is safe and beneficial for patients with decompensated liver cirrhosis and ascites.
- Carvedilol use is associated with a significant reduction in mortality risk in this population.
- The protective effect was observed across different ascites severity levels, suggesting broad applicability.
Background & Aims:
Carvedilol, a non-selective beta-blocker (NSBB) with additional anti-alpha 1 receptor activity, is a potent portal hypotensive agent and has been used as prophylaxis against variceal bleeding. However, its safety in patients with decompensated liver cirrhosis and ascites is still disputed. In this study, we examined whether long-term use of carvedilol in patients with ascites is a risk factor for mortality.
Methods:
A single-centre retrospective analysis of 325 consecutive patients with liver cirrhosis and ascites presenting to our Liver Unit between 1st of January 2009 to 31st August 2012 was carried out. The primary outcome was all-cause and liver-specific mortality in patients receiving or not receiving carvedilol as prophylaxis against variceal bleeding.
Results:
The final cohort after propensity score matching comprised 264 patients. Baseline ascites severity and UK end-stage liver disease (UKELD) score between carvedilol (n=132) and non-carvedilol (n=132) treated patient groups were comparable. Median follow-up time was 2.3years. Survival at the end of the follow-up was 24% and 2% for the carvedilol and the non-carvedilol groups respectively (log-rank p<0.0001). The long-term survival was significantly better in carvedilol than non-carvedilol group (log-rank p<0.001). The survival difference remained significant after adjusting for age, gender, ascites severity, aetiology of cirrhosis, previous variceal bleed, spontaneous bacterial peritonitis prophylaxis, serum albumin and UKELD with hazard ratio of 0.59 (95% confidence interval [CI]: 0.44, 0.80; p=0.001), suggesting a 41% reduction in mortality risk. When stratified by the severity of ascites, carvedilol therapy resulted in hazard ratio of 0.47 (95% CI: 0.29, 0.77; p=0.003) in those with mild ascites. Even with moderate or severe ascites, carvedilol use was not associated with increased mortality risk.
Conclusion:
Long-term carvedilol therapy is not harmful in patients with decompensated cirrhosis and ascites.
Lay Summary:
The safety of carvedilol and other non-selective beta-blocker drugs in patients with liver cirrhosis and ascites is still debated. In this study, we have shown that carvedilol therapy in these patients was associated with reduced risk of mortality, particularly in those with mild ascites. We concluded that low dose, chronic treatment with carvedilol in patients with liver cirrhosis and ascites is not detrimental.
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