66. Macrophage activation syndrome: a fatal complication in a patient with SLE

Kakkar, Vishal; Dadiras, Nikolaos; Szebenyi, B; Gillott, Tim; Alvi, A.

doi:10.1093/rap/rky034.029

Cited by 1 publication

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“…10 Hemophagocytic lymphohistiocytosis results from uncontrolled activation and proliferation of T lymphocytes and macrophages, which leads to a cytokine storm, eventually leading to multiorgan failure if not diagnosed and treated in a timely manner. 11 Overall mortality itself for rheumatologic disease-associated HLH ranges from 5% to 39%, so timely diagnosis is imperative. 10 In our analysis, the rheumatologic diagnoses that were statistically associated with adult HLH hospitalizations were SLE, AS, and AOSD.…”

Section: Discussionmentioning

confidence: 99%

“…Although infectious agents are the major etiology for adult-onset HLH, rheumatologic diseases have also been widely described as a trigger for HLH 10 . Hemophagocytic lymphohistiocytosis results from uncontrolled activation and proliferation of T lymphocytes and macrophages, which leads to a cytokine storm, eventually leading to multiorgan failure if not diagnosed and treated in a timely manner 11 . Overall mortality itself for rheumatologic disease-associated HLH ranges from 5% to 39%, so timely diagnosis is imperative 10 …”

Section: Discussionmentioning

confidence: 99%

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Hemophagocytic Lymphohistiocytosis Hospitalizations in Adults and Its Association With Rheumatologic Diseases

et al. 2020

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Objective: Hemophagocytic lymphohistiocytosis (HLH) is a rare potentially fatal multisystem inflammatory condition that is often triggered by an underlying medical condition. Epidemiologic data of HLH in adults with rheumatologic diseases are limited. The aim of our study was to characterize HLH hospitalizations in the US adult population with a special focus on patients with concomitant rheumatologic diseases. Methods:We conducted a medical records review of hospitalizations in the United States during 2016 and 2017 with a diagnosis of HLH. Hospitalizations were selected from the National Inpatient Sample. International Classification of Diseases, Tenth Revision codes were used to identify rheumatologic diseases. A multivariate logistic regression analysis was used to calculate adjusted odds ratios (OR adj ) for the association of HLH and rheumatologic diseases.Results: Seven hundred fifty hospitalizations had a principal billing diagnosis of HLH. The median age of our study population was 47.5 years, and males made up 55% of the population. Overall mortality was 17%, and the median length of stay was 12 days. Twenty-five percent of the HLH cases had a concomitant rheumatologic diagnosis. Multivariate logistic regression analysis showed systemic lupus erythematosus (SLE) with nephritis (OR adj , 5.7), SLE without nephritis (OR adj , 9.2), adult-onset Still disease (OR adj , 338.9), and ankylosing spondylitis (OR adj , 10.7) were significantly associated with HLH.Conclusions: This analysis represents the largest sample to date to assess HLH hospitalizations. Our study showed that SLE, adult-onset Still disease, and ankylosing spondylitis were strongly associated with HLH.

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Section: Discussionmentioning

confidence: 99%