Low level of hepatitis B virus screening among patients receiving chemotherapy.

June 6, 2015 at 11:21 am

Clin Gastroenterol Hepatol  May 2015 V.13 N.5 P.970-975

Chung-Il Wi, Nicole M. Loo, Joseph J. Larson, Timothy J. Moynihan, Nageswar R. Madde, Darryl C. Grendahl, Steven R. Alberts, W. Ray Kim

Background & Aims

Chemotherapy of patients with inactive hepatitis B virus (HBV) infection can lead to viral reactivation and hepatitis flares. We investigated the proportion of patients screened for HBV infection before chemotherapy over time and the outcomes of screened patients.

Methods

In a retrospective study, we collected data from a pharmacy database on patients who underwent cytotoxic chemotherapy for solid or hematologic malignancies at the Mayo Clinic in Rochester, Minnesota, from January 1, 2006, through September 30, 2011. Laboratory data were collected from electronic medical records. Screening was identified based on tests for hepatitis B surface antigen, for any reason at any time before chemotherapy.

Results

Of 8005 patients undergoing chemotherapy, 1279 (16%) were screened for HBV infection before chemotherapy, including 668 of 1805 patients with hematologic malignancies (37%). The proportion of patients screened for HBV increased from 14.3% in 2006 to 2008 to 17.7% in 2009 to 2011 (P < .01). This trend was attributed mostly to an increase in the proportion of patients with hematologic malignancies, from 32.7% in 2006 to 2008 to 40.6% in 2009 to 2011 (P < .01). Of 13 patients who tested positive for HBV, 5 did not receive prophylactic antiviral therapy; HBV infection was reactivated in 2 of these patients. None of the 8 patients who received an antiviral agent before chemotherapy experienced HBV reactivation. Of 58 unscreened patients who had increases in their alanine aminotransferase level (>300 U/L), only 1 patient appeared to have an undiagnosed HBV infection.

Conclusions

Only a small percentage of patients receiving chemotherapy are screened for HBV infection. However, a larger proportion of patients was screened during 2009 to 2011 than during 2006 to 2008, especially patients with hematologic malignancies. Strategies are needed to ensure that patients receiving chemotherapy are protected from the consequences of undiagnosed HBV infection.

 

Funding This work was supported by grants from the National Institutes of Health ( DK-82843 and DK-92336 ).

Conflicts of interest The authors disclose no conflicts.

abstract

http://www.cghjournal.org/article/S1542-3565(14)01583-3/abstract

 

PDF

http://www.cghjournal.org/article/S1542-3565(14)01583-3/pdf

Entry filed under: Epidemiología, Hepatitis B, HIC no SIDA, Infecciones en neutropenicos, Infecciones en onco-hematologicos, Infecciones virales, Inmunizaciones, Metodos diagnosticos. Tags: .

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