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Adolescent Kawasaki disease shock syndrome with inflammatory cell infiltration into the myocardium: a case report.

ABSTRACT: Background:Kawasaki disease (KD) is a self-limiting form of systemic vasculitis. KD usually occurs in infants and young children and is rarely seen in adolescents. On rare occasions, KD is accompanied with reduced organ perfusion due to systolic hypotension, a condition known as Kawasaki disease shock syndrome (KDSS). The multifactorial causes of KDSS may include intensive vasculitis with capillary leak, myocardial dysfunction, and release of proinflammatory cytokines. However, the mechanisms underlying the pathophysiology of KDSS have not been fully elucidated. Case summary:A febrile 17-year-old male with cervical lymphadenopathy developed extreme shock with rapid cardiac dysfunction and reduced organ perfusion. Electrocardiogram revealed ST elevation in the precordial leads and increased serum levels of cardiac enzyme levels. Endomyocardial biopsy at the acute phase revealed CD3+, CD4+ or CD8+, and CD20- lymphocytes and CD68+ macrophages within infiltrates in the myocardium with mild interstitial fibrosis. He was treated with intravenous immunoglobulin (IVIG) and followed by glucocorticoids with mechanical circulatory support. His cardiac function recovered rapidly with no apparent adverse effects. Discussion:Our results suggest that KDSS may be a form of myocarditis, a condition in which inflammatory cells infiltrate the myocardium. Early immunosuppressive therapy, including IVIG and glucocorticoid therapy, may limit the severity of disease and improve the prognosis. As shown by this case, an accurate diagnosis of KD and KDSS will lead to early intervention and improved prognosis even among those in an older cohort.

SUBMITTER: Sugiura Y

PROVIDER: S-EPMC7649480 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Adolescent Kawasaki disease shock syndrome with inflammatory cell infiltration into the myocardium: a case report.

Sugiura Yuki Y Okumura Takahiro T Kondo Toru T Murohara Toyoaki T

European heart journal. Case reports 20200909 5

<h4>Background</h4>Kawasaki disease (KD) is a self-limiting form of systemic vasculitis. KD usually occurs in infants and young children and is rarely seen in adolescents. On rare occasions, KD is accompanied with reduced organ perfusion due to systolic hypotension, a condition known as Kawasaki disease shock syndrome (KDSS). The multifactorial causes of KDSS may include intensive vasculitis with capillary leak, myocardial dysfunction, and release of proinflammatory cytokines. However, the mecha ...[more]

PMID: 33204972

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Project description:Background and Objectives: Since the first cases of multisystem inflammatory syndrome in children (MIS-C) in April 2020, the diagnostic challenge has been to recognize this syndrome and to differentiate it from other clinically similar pathologies such as Kawasaki disease (KD) and toxic shock syndrome (TSS). Our objective is to compare clinical signs, laboratory data and instrumental investigations between patients with MIS-C, KD and TSS. Materials and Methods: This retrospective observational study was conducted at the Children's Clinical University Hospital, Latvia (CCUH). We collected data from all pediatric patients <18 years of age, who met the Centers for Disease Control and Prevention case definition for MIS-C, and who presented to CCUH between December 2020 and December 2021. We also retrospectively reviewed data from inpatient medical records of patients <18 years of age diagnosed as having KD and TSS at CCUH between December 2015 and December 2021. Results: In total, 81 patients were included in this study: 39 (48.1%) with KD, 29 (35.8%) with MIS-C and 13 (16.1%) with TSS. In comparison with TSS and KD, patients with MIS-C more often presented with gastrointestinal symptoms (abdominal pain (p < 0.001), diarrhea (p = 0.003)), shortness of breath (p < 0.02) and headache (p < 0.003). All MIS-C patients had cardiovascular involvement and 93.1% of MIS-C patients fulfilled KD criteria, showing higher prevalence than in other research. Patients with KD had higher prevalence of cervical lymphadenopathy (p < 0.006) and arthralgias (p < 0.001). In comparison with KD and TSS, MIS-C patients had higher levels of ferritin (p < 0.001), fibrinogen (p = 0.04) and cardiac biomarkers, but lower levels of platelets and lymphocytes (p < 0.001). KD patients tended to have lower peak C-reactive protein (CRP) (p < 0.001), but higher levels of platelets. Acute kidney injury was more often observed in TSS patients (p = 0.01). Pathological changes in electrocardiography (ECG) and echocardiography were significantly more often observed in MIS-C patients (p < 0.001). Conclusions: This research shows that MIS-C, KD and TSS have several clinical similarities and additional investigations are required for reaching final diagnosis. All the patients with suspected MIS-C diagnosis should be examined for possible cardiovascular involvement including cardiac biomarkers, ECG and echocardiography.

Project description:BackgroundKawasaki disease (KD) is characterized as an acute febrile inflammatory disorder, which may potentially escalate into a more severe condition termed Kawasaki disease shock syndrome (KDSS). The objective of this research is to understand the clinical attributes of KDSS and to explore the predictive significance of coagulation profiles in the incidence of KDSS.MethodPatients with Kawasaki disease (KD) were prospectively enrolled and divided into the KDSS group (n = 29) and the non-KDSS group (n = 494). Multivariate logistic regression analysis was used to ascertain the relationship between coagulation profiles and KDSS. Furthermore, ROC curve analysis was conducted to evaluate the predictive value of the coagulation profile for the occurrence of KDSS.ResultAmong the KDSS patients, the median age was higher and cervical lymph node involvement was greater compared to the non-KDSS group. Additionally pericardial effusion, valve regurgitation, cardiac enlargement, coronary artery lesions (CALs), and Intravenous immunoglobulin (IVIG) resistance were significantly more frequent in the KDSS group than in non-KDSS group. Notably, Prothrombin time (PT), activated partial thromboplastin time (APTT), D-dimer, and fibrin degradation products (FDP) were significantly elevated in the KDSS group compared to the non-KDSS group. Conversely, total thrombin time (TT), fibrinogen, and antithrombin III (ATIII) activity were significantly reduced. Multivariate logistic regression analysis revealed that PT, APTT, D-dimer, and ATIII were independent risk factors for predicting KDSS occurrence. ROC curve analysis established critical values for PT, D-dimer, FDP, and ATIII as 13.45 s, 2.03 mg/L, 7.45 μg/ml, and 77.5%, respectively. Sensitivity for predicting KDSS occurrence was 76%, 79%, 83%, and 76%, while specificity was 51%, 72%, 63%, and 80%, respectively. When we performed a combined ROC curve analysis of the four indicators, we found that its predictive sensitivity was much higher. Moreover, the Delong test results showed that the AUC of the combined analysis was significantly higher than that of the individual analyses.ConclusionCharacteristic features of KDSS include older age, a greater likelihood of experiencing pericardial effusion, valve regurgitation, cardiac enlargement, CALs, and IVIG resistance. KD patients with a hypercoagulable state during the acute phase are at a higher risk of developing KDSS.

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Adolescent Kawasaki disease shock syndrome with inflammatory cell infiltration into the myocardium: a case report.

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Adolescent Kawasaki disease shock syndrome with inflammatory cell infiltration into the myocardium: a case report.

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