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Aim: To investigate the impact of spleen operation (SO) on interferon-α (IFN-α)-based antiviral treatment in patients with hepatitis C virus (HCV)-related cirrhosis.
Methods: Studies were systematically identified by searching electronic databases including MEDLINE, Cochrane Library, Elsevier, and Embase up to September 30, 2013, and relevant clinical studies were reviewed. Sustained virological response (SVR) rate and adherence to therapy were taken as the endpoints of interest.
Results: A total of 603 patients from 16 studies were included in the systematic review. Of 372 patients who underwent SO followed by antiviral treatment, the total SVR rate was 39.5%. SVR was associated with HCV genotypes 2/3 (OR = 10.84; 95%CI: 5.47-21.47; P < 0.00001). IFN-α dose needed to be reduced in 29.4%, and IFN-α-based therapy was discontinued in 11.5% of patients. Analysis of controlled studies showed that SVRs were achieved in 34.1% of patients with SO and 31.1% of patients without SO. SO had no effect on the SVR rate in cirrhotic patients with genotype 1 HCV infection (OR = 1.28; 95%CI: 0.51-3.22; P = 0.60), but improved the SVR rate in patients with genotypes 2/3 infection, though the difference was not significant (OR = 0.36; 95%CI: 0.13-1.02; P = 0.05).
Conclusion: SO combined with IFN-α-based antiviral therapy may be suitable in cirrhotic patients with genotypes 2/3 HCV infection, but not in those with genotype 1 infection.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4223274 | PMC |
| http://dx.doi.org/10.3748/wjg.v20.i41.15387 | DOI Listing |
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