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ISSN: 0031-3939
Pediatria Polska - Polish Journal of Paediatrics
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2/2024
vol. 99
 
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abstract:
Original paper

Neutropaenia following intravenous immunoglobulin therapy in paediatric patients with immune thrombocytopaenia

Martyna Szuster
1
,
Julia Gajewska
1
,
Artur Janek
1
,
Jagoda Perlikowska
1
,
Andrzej Badeński
2
,
Marta Badeńska
2
,
Tomasz Szczepański
1
,
Aneta Pobudejska-Pieniążek
1

  1. Department of Paediatric Haematology and Oncology in Zabrze, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Poland
  2. Department of Paediatric, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland
Pediatr Pol 2024; 99 (2): 123-127
DOI: https://doi.org/10.5114/polp.2024.140852
Online publish date: 2024/06/27
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Introduction
Immune thrombocytopaenia (ITP), previously known as idiopathic thrombocytopaenic purpura, is an acquired autoimmune disorder characterised by immune-mediated platelet destruction. It has been observed that some paediatric patients with ITP treated with intravenous immunoglobulin (IVIG) developed neutropaenia. The aim of the study was to investigate the association between IVIG therapy and neutropaenia in paediatric ITP.

Material and methods
The retrospective cohort study involved 123 children (79 girls, 44 boys) with immune thrombocytopaenia, aged 8.03 ±4.55 (0.8–17.9) years (mean ± standard deviation; range) who underwent IVIG in the Department of Haematology and Paediatric Oncology in Zabrze between April 2014 and December 2021. Correlations between age, sex, weight of patients, total IVIG dose, and neutrophil/platelet counts on administration day and 1, 2, and 3 days after IVIG treatment from official medical records were analysed.

Results
The mean total dose of IVIG was 1.7 ±0.48 g/kg BW. A significant increase in platelet level was observed usually on the first (67.5%) or second (20.3%) day after initial administration of intravenous immunoglobulins. After the course of IVIG, neutropaenia was observed in 50 subjects (40.7%). The neutropaenia occurred mostly (54%) on the first day after administration of IVIG. There was a positive correlation between the onset of neutropaenia and lower age of patients (p < 0.05). What is more, the decrease in the neutrophil count was more distinct in the group of subjects with neutropaenia.

Conclusions
Intravenous immunoglobulin therapy in children with ITP can lead to neutropaenia. However, patients benefit noticeably from IVIG therapy, and neutropaenia in this case tends to be a transient, self-limiting condition.

keywords:

children, intravenous immunoglobulin, immune thrombocytopaenia, IVIG, neutropaenia