Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide

PurposeHemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory syndrome with many causes, including Kawasaki disease (KD). The purpose of this study was to identify the laboratory tests needed to easily differentiate KD with HLH from incomplete KD alone.MethodsWe performed a retrospective st...

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Main Authors: Jung Eun Choi, Yujin Kwak, Jung Won Huh, Eun-Sun Yoo, Kyung-Ha Ryu, Sejung Sohn, Young Mi Hong
Format: Article
Language:English
Published: Korean Pediatric Society 2018-05-01
Series:Korean Journal of Pediatrics
Subjects:
Online Access:http://kjp.or.kr/upload/pdf/kjped-61-167.pdf
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author Jung Eun Choi
Yujin Kwak
Jung Won Huh
Eun-Sun Yoo
Kyung-Ha Ryu
Sejung Sohn
Young Mi Hong
author_facet Jung Eun Choi
Yujin Kwak
Jung Won Huh
Eun-Sun Yoo
Kyung-Ha Ryu
Sejung Sohn
Young Mi Hong
author_sort Jung Eun Choi
collection DOAJ
description PurposeHemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory syndrome with many causes, including Kawasaki disease (KD). The purpose of this study was to identify the laboratory tests needed to easily differentiate KD with HLH from incomplete KD alone.MethodsWe performed a retrospective study on patients diagnosed with incomplete KD and incomplete KD with HLH (HLH-KD) between January 2012 and March 2015. We compared 8 secondary HLH patients who were first diagnosed with incomplete KD with all 247 incomplete KD diagnosed patients during the study period. The complete blood count, erythrocyte sedimentation rate, platelet count, and serum total protein, albumin, triglyceride, C-reactive protein, N-terminal pro-brain natriuretic peptide (NT-proBNP), and ferritin levels were compared. Clinical characteristics and echocardiography findings were also compared between the 2 groups.ResultsThe total duration of fever was longer in the HLH-KD group than in the KD group. White blood cell and platelet counts were higher in the KD group. Alanine aminotransferase, ferritin, and coronary artery diameter were increased in the HLH-KD group compared with those in the KD group. The median of NT-proBNP was significantly higher in the HLH-KD group than in the KD group at 889.0 (interquartile range [IQR], 384.5–1792.0) pg/mL vs. 233.0 (IQR, 107.0–544.0) pg/mL.ConclusionThe NT-proBNP level may be helpful in distinguishing incomplete KD from KD with HLH. The NT-proBNP level should be determined in KD patients with prolonged fever, in addition to the white blood cell count, platelet count, and ferritin level, to evaluate secondary HLH.
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spelling doaj.art-2b10c542f1694eed83026eb3d0ce76302022-12-21T17:15:19ZengKorean Pediatric SocietyKorean Journal of Pediatrics1738-10612092-72582018-05-0161516717310.3345/kjp.2018.61.5.16720125550722Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptideJung Eun Choi0Yujin Kwak1Jung Won Huh2Eun-Sun Yoo3Kyung-Ha Ryu4Sejung Sohn5Young Mi Hong6Department of Pediatrics, Ewha Womans University School of Medicine, Seoul, .KoreaDepartment of Pediatrics, Ewha Womans University School of Medicine, Seoul, .KoreaDepartment of Laboratory Medicine, Ewha Womans University School of Medicine, Seoul, .KoreaDepartment of Pediatrics, Ewha Womans University School of Medicine, Seoul, .KoreaDepartment of Pediatrics, Ewha Womans University School of Medicine, Seoul, .KoreaDepartment of Pediatrics, Ewha Womans University School of Medicine, Seoul, .KoreaDepartment of Pediatrics, Ewha Womans University School of Medicine, Seoul, .KoreaPurposeHemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory syndrome with many causes, including Kawasaki disease (KD). The purpose of this study was to identify the laboratory tests needed to easily differentiate KD with HLH from incomplete KD alone.MethodsWe performed a retrospective study on patients diagnosed with incomplete KD and incomplete KD with HLH (HLH-KD) between January 2012 and March 2015. We compared 8 secondary HLH patients who were first diagnosed with incomplete KD with all 247 incomplete KD diagnosed patients during the study period. The complete blood count, erythrocyte sedimentation rate, platelet count, and serum total protein, albumin, triglyceride, C-reactive protein, N-terminal pro-brain natriuretic peptide (NT-proBNP), and ferritin levels were compared. Clinical characteristics and echocardiography findings were also compared between the 2 groups.ResultsThe total duration of fever was longer in the HLH-KD group than in the KD group. White blood cell and platelet counts were higher in the KD group. Alanine aminotransferase, ferritin, and coronary artery diameter were increased in the HLH-KD group compared with those in the KD group. The median of NT-proBNP was significantly higher in the HLH-KD group than in the KD group at 889.0 (interquartile range [IQR], 384.5–1792.0) pg/mL vs. 233.0 (IQR, 107.0–544.0) pg/mL.ConclusionThe NT-proBNP level may be helpful in distinguishing incomplete KD from KD with HLH. The NT-proBNP level should be determined in KD patients with prolonged fever, in addition to the white blood cell count, platelet count, and ferritin level, to evaluate secondary HLH.http://kjp.or.kr/upload/pdf/kjped-61-167.pdfMucocutaneous lymph node syndromeHemophagocytic lymphohistiocytosisBrain natriuretic peptideFerritin
spellingShingle Jung Eun Choi
Yujin Kwak
Jung Won Huh
Eun-Sun Yoo
Kyung-Ha Ryu
Sejung Sohn
Young Mi Hong
Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide
Korean Journal of Pediatrics
Mucocutaneous lymph node syndrome
Hemophagocytic lymphohistiocytosis
Brain natriuretic peptide
Ferritin
title Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide
title_full Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide
title_fullStr Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide
title_full_unstemmed Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide
title_short Differentiation between incomplete Kawasaki disease and secondary hemophagocytic lymphohistiocytosis following Kawasaki disease using N-terminal pro-brain natriuretic peptide
title_sort differentiation between incomplete kawasaki disease and secondary hemophagocytic lymphohistiocytosis following kawasaki disease using n terminal pro brain natriuretic peptide
topic Mucocutaneous lymph node syndrome
Hemophagocytic lymphohistiocytosis
Brain natriuretic peptide
Ferritin
url http://kjp.or.kr/upload/pdf/kjped-61-167.pdf
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