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. 2024 Jan 29;13(1):75-83.
doi: 10.1093/jpids/piad106.

Clinical Outcomes of Human Rhinovirus/Enterovirus Infection in Pediatric Hemopoietic Cell Transplant Patients

Sandra Castejon-Ramirez  1   2 , Sujittra Chaisavaneeyakorn  1 , Jose A Ferrolino  1 , Kim J Allison  1 , Megan Peterson  1 , Ronald H Dallas  1 , Ali Suliman  3 , Randall T Hayden  4 , Gabriela Maron  1   2 , Diego R Hijano  1   2
Affiliations

Clinical Outcomes of Human Rhinovirus/Enterovirus Infection in Pediatric Hemopoietic Cell Transplant Patients

Sandra Castejon-Ramirez et al. J Pediatric Infect Dis Soc. .

Abstract

Background: Respiratory viral infections are common among pediatric transplant patients, with human rhinovirus (HRV) being the most frequent. In pediatric patients undergoing hemopoietic cell transplant (HCT), infection with HRV has been associated with progression to lower respiratory tract infection (LRTI) and adverse outcomes. We describe the clinical presentation and outcomes of HRV infection in children undergoing HCT.

Methods: Single-center retrospective study. HCT recipients who were positive for HRV/EV (HRV+) or negative for any respiratory virus (VN) by BioFire® FilmArray® panel between October 2014 and December 2017, were included. Primary outcomes were progression to LRTI, ICU admission, all-cause mortality at 3 and 6 months, and respiratory event-related mortality at 6 months.

Results: 227 patients (160 allogeneic HCT) were included. Of all patients, 108/227 (47.6%) were HRV+. From all HRV+, 95/108 (88%) were symptomatic and 68/107 (63.6%) of the diagnosis were made pretransplant. The median age of HRV+ was significantly lower than VN patients (5 vs 10 years). Cough and rhinorrhea were more frequently observed in HRV+ (53.7 and 60% vs 19.8 and 22.8%, respectively). No differences were found between both groups pretransplant and overall in rates progression to LRTI, ICU admission, mechanical ventilation, all-cause within 3 and 6 months, and mortality related with respiratory failure. No significant association was found between the severity of respiratory disease and the type of conditioning, type of transplant, or absolute lymphocyte count.

Conclusions: HRV infection is frequently detected in HCT recipients but is not associated with severity of respiratory disease, need for intensive care unit or mortality, including those diagnosed before transplant, suggesting that delaying HCT in this scenario may not be needed. Multicenter larger studies are required to confirm these findings.

Keywords: children; hemopoietic cell transplantation; human rhinovirus; outcomes; respiratory viral infection.

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Figures

Figure 1.
Figure 1.
Frequency of symptoms and radiological findings in HRV+ and VN patients.
See this image and copyright information in PMC

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