Przemyslaw Ciechanowski

Szczecin, ZP 71455, Poland

Last Updated: 09/26/2026

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Found 12 publications

Differences in the clinical course of COVID-19 in children and adolescents hospitalized in the 2023/2024 and 2024/2025 seasons - a retrospective real-world study.

Differences in the clinical course of COVID-19 in children and adolescents hospitalized in the 2023/2024 and 2024/2025 seasons - a retrospective real-world study.

Journal: BMC infectious diseases

Published: September 04, 2025

Association between Liver Damage and Disease Progression Markers with Mortality Risk and Mechanical Ventilation in Hospitalized COVID-19 Patients: A Nationwide Retrospective SARSTer Study.

Association between Liver Damage and Disease Progression Markers with Mortality Risk and Mechanical Ventilation in Hospitalized COVID-19 Patients: A Nationwide Retrospective SARSTer Study.

Journal: Viruses

Published: August 12, 2024

Treatment outcomes and their predictors in children hospitalized with varicella complicated by bacterial superinfections after pandemic of COVID-19 - a retrospective multicenter analysis of real-life data in Poland.

Treatment outcomes and their predictors in children hospitalized with varicella complicated by bacterial superinfections after pandemic of COVID-19 - a retrospective multicenter analysis of real-life data in Poland.

Journal: European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology

Published: July 05, 2024

Differences in Clinical Presentation of COVID-19 in Children Hospitalized During Domination of Early (BA.1, BA.2) and Late (BA.5, BA.2.75, BQ.1 and XBB.1.5) SARS-CoV-2 Omicron Subvariants.

Differences in Clinical Presentation of COVID-19 in Children Hospitalized During Domination of Early (BA.1, BA.2) and Late (BA.5, BA.2.75, BQ.1 and XBB.1.5) SARS-CoV-2 Omicron Subvariants.

Journal: The Pediatric infectious disease journal

Published: November 03, 2023

The Influence of SARS-CoV-2 Variants B.1.1.7 and B.1.617.2 on a Different Clinical Course and Severity of COVID-19 in Children Hospitalized in 2021 Compared With 2020.

The Influence of SARS-CoV-2 Variants B.1.1.7 and B.1.617.2 on a Different Clinical Course and Severity of COVID-19 in Children Hospitalized in 2021 Compared With 2020.

Journal: The Pediatric infectious disease journal

Published: April 13, 2023

Clinical Course and Severity of COVID-19 in 940 Infants with and without Comorbidities Hospitalized in 2020 and 2021: The Results of the National Multicenter Database SARSTer-PED.

Clinical Course and Severity of COVID-19 in 940 Infants with and without Comorbidities Hospitalized in 2020 and 2021: The Results of the National Multicenter Database SARSTer-PED.

Journal: Journal of clinical medicine

Published: February 28, 2023

Variability in the Clinical Course of COVID-19 in a Retrospective Analysis of a Large Real-World Database.

Variability in the Clinical Course of COVID-19 in a Retrospective Analysis of a Large Real-World Database.

Journal: Viruses

Published: November 13, 2022

Air pollution might affect the clinical course of COVID-19 in pediatric patients.

Air pollution might affect the clinical course of COVID-19 in pediatric patients.

Journal: Ecotoxicology and environmental safety

Published: February 25, 2022

Demographic and Clinical Overview of Hospitalized COVID-19 Patients during the First 17 Months of the Pandemic in Poland.

Demographic and Clinical Overview of Hospitalized COVID-19 Patients during the First 17 Months of the Pandemic in Poland.

Journal: Journal of clinical medicine

Published: November 24, 2021

Pneumonia, gastrointestinal symptoms, comorbidities, and coinfections as factors related to a lengthier hospital stay in children with COVID-19-analysis of a paediatric part of Polish register SARSTer.

Pneumonia, gastrointestinal symptoms, comorbidities, and coinfections as factors related to a lengthier hospital stay in children with COVID-19-analysis of a paediatric part of Polish register SARSTer.

Journal: Infectious diseases (London, England)

Published: October 29, 2021

COVID-19 infections in infants.

COVID-19 infections in infants.

Journal: Scientific reports

Published: September 14, 2021

Clinical and Epidemiological Characteristics of 1283 Pediatric Patients with Coronavirus Disease 2019 during the First and Second Waves of the Pandemic-Results of the Pediatric Part of a Multicenter Polish Register SARSTer.

Clinical and Epidemiological Characteristics of 1283 Pediatric Patients with Coronavirus Disease 2019 during the First and Second Waves of the Pandemic-Results of the Pediatric Part of a Multicenter Polish Register SARSTer.

Journal: Journal of clinical medicine

Published: August 16, 2021

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Last Updated: 09/26/2026