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Article

Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors

  • Authors:
    • Hui-Song Chen
    • Su-Rong Xing
    • Wei-Guo Xu
    • Fan Yang
    • Xiao‑Long Qi
    • Le-Min Wang
    • Chang-Qing Yang
  • View Affiliations / Copyright

    Affiliations: Division of Gastroenterology and Digestive Diseases Institute, Tongji Hospital of Tongji University School of Medicine, Shanghai 200065, P.R. China
  • Pages: 819-824
    |
    Published online on: January 22, 2013
       https://doi.org/10.3892/etm.2013.918
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Abstract

The incidence and clinical features of portopulmonary hypertension (POPH) have not been adequately described and it is currently unknown whether an association exists between the severity of POPH and liver function. Additionally, POPH risk factors are yet to be identified. The aim of this study was to determine the prevalence, describe the clinical features and investigate the potential risk factors of POPH. We conducted a study of 100 cirrhotic patients hospitalized between March 2011 and May 2012 at Tongji Hospital in Shanghai. The clinical characteristics of patients with and without POPH were analyzed. Clinical variables with a possible association with POPH were measured and pulmonary artery systolic pressure (PASP) was determined by cardiac Doppler echocardiography. Of the 100 patients enrolled in this study, 10 were diagnosed with POPH. Seven of the cases were mild, two were moderate and only one was severe; eight were attributed to viral infections. POPH was not detected in patients with schistosomal or alcoholic cirrhosis. Hemoglobin (Hb) levels were lower in patients with POPH compared to those without POPH (P<0.01) and the severity of POPH was not significantly correlated with Child-Pugh grade (R=-0.06, P=0.09). Hb levels, incidence of hepatitis C virus (HCV) infection and portal vein thrombosis differed between the two groups (P<0.05). Hb levels were identified as an independent risk factor associated with POPH and portal vein thrombosis may play an important role during the development of POPH. However, the severity of POPH was not associated with liver function.
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Copy and paste a formatted citation
Spandidos Publications style
Chen H, Xing S, Xu W, Yang F, Qi XL, Wang L and Yang C: Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors. Exp Ther Med 5: 819-824, 2013.
APA
Chen, H., Xing, S., Xu, W., Yang, F., Qi, X., Wang, L., & Yang, C. (2013). Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors. Experimental and Therapeutic Medicine, 5, 819-824. https://doi.org/10.3892/etm.2013.918
MLA
Chen, H., Xing, S., Xu, W., Yang, F., Qi, X., Wang, L., Yang, C."Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors". Experimental and Therapeutic Medicine 5.3 (2013): 819-824.
Chicago
Chen, H., Xing, S., Xu, W., Yang, F., Qi, X., Wang, L., Yang, C."Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors". Experimental and Therapeutic Medicine 5, no. 3 (2013): 819-824. https://doi.org/10.3892/etm.2013.918
Copy and paste a formatted citation
x
Spandidos Publications style
Chen H, Xing S, Xu W, Yang F, Qi XL, Wang L and Yang C: Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors. Exp Ther Med 5: 819-824, 2013.
APA
Chen, H., Xing, S., Xu, W., Yang, F., Qi, X., Wang, L., & Yang, C. (2013). Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors. Experimental and Therapeutic Medicine, 5, 819-824. https://doi.org/10.3892/etm.2013.918
MLA
Chen, H., Xing, S., Xu, W., Yang, F., Qi, X., Wang, L., Yang, C."Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors". Experimental and Therapeutic Medicine 5.3 (2013): 819-824.
Chicago
Chen, H., Xing, S., Xu, W., Yang, F., Qi, X., Wang, L., Yang, C."Portopulmonary hypertension in cirrhotic patients: Prevalence, clinical features and risk factors". Experimental and Therapeutic Medicine 5, no. 3 (2013): 819-824. https://doi.org/10.3892/etm.2013.918
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