High rate of clinically unrecognized SARS-CoV-2 infections in pediatric palliative care patients

High rate of clinically unrecognized SARS-CoV-2 infections in pediatric palliative care patients

Bötticher B; Dinkelbach L; Hillebrecht M; Adams O; Dechert O; Trocan L; Neubert J; Borkhardt A; Janßen G

European Journal of Pediatrics

2021

Pediatrics; Palliative care; Covid-19; SARS-CoV-2; Comorbidities

Little is known about the frequency and clinical course of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections in pediatric patients with severe comorbidities. In this prospective cross-sectional trial, the seroprevalence of SARS-CoV-2-IgG in patients with life-limiting conditions being treated by a large specialized pediatric palliative home-care team was determined. In order to gain insight into the infection chain, close contacts of seropositive patients were also included in the study. We analyzed the sera of 39 patients and found a 25.6% seroprevalence for SARS-CoV-2. No SARS-CoV-2 infections were known prior to the study. No significant difference was found in the symptom load between seropositive and seronegative patients during the risk period for SARS-CoV-2 infections. Of the 20 close contacts tested, only one was seropositive for SARS-CoV-2.Conclusions: Our results indicate a substantially high prevalence of silent SARS-CoV-2 infections in pediatric palliative care patients. Surprisingly, no severe outcomes were seen in this fragile patient collective with severe comorbidities. The chain of infection and thus the reason for the high frequency of SARS-CoV-2 infections in pediatric palliative care patients remain unclear. What is Known: •Even though severe disease courses of COVID-19 have been reported in children, there are yet no established risk factors for SARS-CoV-2 in pediatric patients. What is New: •In this cross-sectional seroprevalence study of palliative pediatric patients with severe life-limiting conditions, a high rate of seropositive patients (25.6%) was found. •Surprisingly, all seropositive patients were previously unrecognized, despite the severe comorbidities of our collective.

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