Prevalence and Outcome of Disseminated Varicella Zoster Infection Post Kidney Transplantation
Chitasombat, M.N.; Watcharananan, S.P.
Journal of the Medical Association of Thailand 99(4): 381-385
2016
ISSN/ISBN: 0125-2208 PMID: 27396221 Document Number: 16775
Varicella zoster (VZV) is a potentially life-threatening infection after kidney transplantation (KT) but data on the incidence and outcome of late KT VZV infection is limited. A retrospective study of disseminated VZV infection (D-VZV) in post KT patients was conducted between 2003 and 2013. Acyclovir prophylaxis was given routinely for six months after KT Statistical analyses were performed by SPSS software version 17.0. Prevalence of D-VZV was 2% [22/1,032 patients]. Patients median age were 40 (21-67) years old and 12 (55%) were male. Timing of the infection was mostly (68.2%) late (> 1 year) post KT The majority of maintenance immunosuppressive drug included prednisolone (95.5%), cyclosporine (77.3%), mycophenolate (68.2%). Two (9.1%) had a recent VZV exposure and four (18%) received intensified immunosuppression before the diagnosis. Common clinical presentations were lymphopenia (54.5%), generalized vesicular rash (50%), and multi-dermatomal distribution (50%) while liver involvement was infrequent (9.1%). None had pneumonitis or neurological involvement. All cases received systemic acyclovir with the median duration of 14 (3-31) days. One had received IVIG for fulminant hepatitis. Immunosuppressive drug/s was reduced in 59%. Median duration of hospitalization was seven (3-37) days. None of patients died. The median follow-up duration was 1939 (IQR 804-2440) days. Recurrent infection was uncommon (4.5%). Secondary prophylaxis was given only in one patient with fulminant VZV hepatitis. Incidence of D-VZV post KT was low. Treatments with intravenous acyclovir and reduction of immunosuppression without the use of VZV IgG provided favorable outcome in resource-limited settings.
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