Kawasaki Disease Shock Syndrome vs Classical Kawasaki Disease: A Meta-analysis and Comparison With SARS-CoV-2 Multisystem Inflammatory Syndrome

Loubna Lamrani, Cedric Manlhiot, Matthew D. Elias, Nadine F. Choueiter, Audrey Dionne, Ashraf S. Harahsheh, Michael A. Portman, Brian W. McCrindle, Nagib Dahdah

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations

Abstract

Background: The emergence of increasing reports worldwide of a severe inflammatory process and shock in pediatric patients resembling Kawasaki disease (KD)—and, more specifically, Kawasaki disease shock syndrome (KDSS)—prompted us to explore KDSS in a preamble of a systematic comparison between the 2 conditions. Methods: We completed a systematic review of KDSS and performed a meta-analysis comparison between reported KDSS cases and KD controls. Results: A total of 10 case-control series were included in the meta-analysis. Patients with KDSS were older (38.4 ± 30.6 vs 21.9 ± 19.5 months; P < 0.001) compared with standard KD with equal sex distribution and completeness of clinical diagnostic criteria. KDSS present higher C-reactive protein (59.4 ± 29.2 mg/dL vs 20.8 ± 14.8 mg/dL; P < 0.001), lower albumin (2.7 ± 0.5 g/dL vs 3.3 ± 0.5 g/dL; P < 0.01), and lower platelets (255 ± 149 109/L vs 394 ± 132 109/L; P < 0.001) but only borderline higher white blood cells (P = 0.06). Differences in alanine transaminase, aspartate aminotransferase, and erythrocyte sedimentation rate were nonsignificant. The odds of intravenous immunoglobulin resistance (44.4% vs 9.6%; (P < 0.001) and the hospital length of stay (10.9 ± 5.8 vs 5.0 ± 3.0 days; P < 0.001) were higher in KDSS, as were the odds of coronary-artery abnormalities (33.9% vs 8.6%; P < 0.001). Conclusions: This first meta-analysis on KDSS vs KD represents a basis for future works on KDSS and opens the opportunity for future multicentre studies in the search of causal relationships between presenting elements and the eventual complications of KDSS. The similarities between SARS-CoV-2 multisystem inflammatory syndrome in children and KDSS open new horizons to the understanding of the etiology and pathophysiology related to KDSS.

Original languageEnglish (US)
Pages (from-to)1619-1628
Number of pages10
JournalCanadian Journal of Cardiology
Volume37
Issue number10
DOIs
StatePublished - Oct 2021

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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