Abstract
Background and aims
Long-term prospective data on hepatopulmonary syndrome (HPS) from a large number of patients, especially in Asian patients, are lacking. We evaluated the long-term prognosis of HPS and the development of acute-on-chronic liver failure (ACLF), and related factors.
Methods
A total of 142 patients with cirrhosis who underwent saline-agitated contrast echocardiography for the diagnosis of HPS were enrolled and observed prospectively from 2014 to 2019.
Results
A total of 59 patients (41%) were diagnosed with HPS (24 grade 1, 23 grade 2, 12 grade 3). Thirty-eight and 37 patients died in the HPS and non-HPS groups, respectively (p < 0.01). The 5-year survival rate was 47% in the HPS group and 62% in the non-HPS group. In the Cox proportional hazards model, HPS and Model for End-stage Liver Disease (MELD) score ≥ 18, and Child–Turcotte–Pugh (CTP) class B/C were significant risk factors for mortality after adjusting for other risk factors (HPS hazard ratio [HR] = 1.9, p = 0.01; MELD score ≥ 18 HR = 2.3, p < 0.01; CTP class B/C HR = 2.9, p < 0.01). Compared to that in non-HPS group, the HPS group had a significantly higher incidence of ACLF during follow-up (p < 0.01) and more frequently presented with lung involvement of ACLF (p = 0.03).
Conclusions
In the long-term follow-up cohort, patients with HPS showed poorer prognosis than that of patients without HPS. HPS was a risk factor for ACLF development independent of hepatic dysfunction, and lung involvement was significantly common than without ACLF.
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Data availability
Data will be available according to request.
Abbreviations
- HPS:
-
Hepatopulmonary syndrome
- ACLF:
-
Acute-on-chronic liver failure
- LT:
-
Liver transplantation
- CPT:
-
Child–Turcotte–Pugh
- MELD:
-
Model for end-stage liver disease
- INR:
-
International normalized ratio
- HR:
-
Hazard ratio
- CI:
-
Confidence interval
- SBP:
-
Spontaneous bacterial peritonitis
- HBV:
-
Hepatitis B virus infection
- HCV:
-
Hepatitis C virus infection
- Cr:
-
Creatinine
- Hb:
-
Hemoglobin
- Plt:
-
Platelet
- Alb:
-
Albumin
- HRS:
-
Hepatorenal syndrome
- HCC:
-
Hepatocellular carcinoma
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Acknowledgements
The authors acknowledge the assistance of the Regeneration Medicine Research Center and Mitohormesis Research Center of Yonsei University Wonju College of Medicine, as well as the study participants.
Funding
This study was supported by the Research Supporting Program of The Korean Association for the Study of the Liver and the Korean Liver Foundation (KASLKLF2017-04).
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All authors contributed to the study conception and design, material preparation, data collection and analysis were performed by Seul Ki Han, Moon Young Kim. The first draft of the manuscript was written by Seul Ki Han and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Written informed consent for participation in the study was obtained from all patients.
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This study was approved by the Institutional Review Board for Human Research at Yonsei University Wonju Severance Christian Hospital (CR 314038).
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Han, S.K., Kim, M.Y., Kang, S.H. et al. Hepatopulmonary syndrome is related to the development of acute-on-chronic liver failure and poor prognosis in cirrhotic patients. Hepatol Int 15, 1207–1214 (2021). https://doi.org/10.1007/s12072-021-10226-2
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DOI: https://doi.org/10.1007/s12072-021-10226-2