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. 2023 Feb 11;39(1):117.
doi: 10.1007/s00383-023-05394-1.

Incidence and antiviral treatment of cytomegalovirus infection in infants with biliary atresia

Ulrika Liliemark  1 , Jan F Svensson  2   3 , Björn Fischler  4   5
Affiliations

Incidence and antiviral treatment of cytomegalovirus infection in infants with biliary atresia

Ulrika Liliemark et al. Pediatr Surg Int. .

Abstract

Purpose: Patients with biliary atresia (BA) and cytomegalovirus (CMV) infection may have poorer outcomes after Kasai portoenterostomy (KPE) than uninfected patients, suggesting a rationale for antiviral treatment (AVT). We aimed to describe the incidence of CMV infection and of AVT in BA patients, and to detect any differences between infected and uninfected patients to conclude if AVT is of use.

Methods: Data on BA patients who underwent KPE 2004-2020 were retrospectively collected, and the outcome was analyzed with regard to CMV status.

Results: Fifteen out of forty-six (33%) BA patients had signs of ongoing CMV infection. They did not differ significantly from the CMV-negative patients regarding rate of prematurity, birth weight, or biochemical markers but were slightly older at KPE. All patients received steroids postoperatively and all patients with ongoing CMV infection received AVT with very good effect on viremia and without major side effects. The AVT consisted of oral valganciclovir (10-40 (- 58) mg/kg/d) or intravenous ganciclovir (5.3-11 mg/kg/d).

Conclusion: Ongoing CMV infection is common in this group of patients. The viremia can effectively be treated with AVT without any major side effects. Larger, randomized studies are needed to clarify the possible effect on clinical outcome.

Keywords: Biliary atresia; Cytomegalovirus; Ganciclovir; Kasai portoenterostomy; Survival with native liver; Valganciclovir.

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