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Adjusted neutropenia is associated with early serious infection in systemic lupus erythematosus

Authors
 Sang-Won Lee  ;  Min-Chan Park  ;  Soo-Kon Lee  ;  Yong-Beom Park 
Citation
 Modern Rheumatology, Vol.23(3) : 509-515, 2013 
Journal Title
 Modern Rheumatology 
ISSN
 1439-7595 
Issue Date
2013
MeSH
Adult ; Antibodies, Anti-Idiotypic/blood ; Autoantibodies/blood ; Female ; Humans ; Infection/blood ; Infection/complications* ; Infection/immunology ; Lupus Erythematosus, Systemic/blood ; Lupus Erythematosus, Systemic/complications* ; Lupus Erythematosus, Systemic/immunology ; Male ; Middle Aged ; Neutropenia/blood ; Neutropenia/complications* ; Neutropenia/immunology ; Risk Factors ; Severity of Illness Index
Keywords
Adult ; Antibodies, Anti-Idiotypic/blood ; Autoantibodies/blood ; Female ; Humans ; Infection/blood ; Infection/complications* ; Infection/immunology ; Lupus Erythematosus, Systemic/blood ; Lupus Erythematosus, Systemic/complications* ; Lupus Erythematosus, Systemic/immunology ; Male ; Middle Aged ; Neutropenia/blood ; Neutropenia/complications* ; Neutropenia/immunology ; Risk Factors ; Severity of Illness Index
Abstract
Objectives: The susceptibility to infection increases in systemic lupus erythematosus (SLE) patients with neutropenia, but the link between infection risk and the cutoff neutrophil count still remains controversial. In this study, we investigated a valuable parameter associated with early serious infection in SLE patients during the first follow-up year. Methods: We reviewed the medical records of 160 patients with SLE. The initial levels were defined as the mean of the results of the first two consecutive tests. The adjusted levels were defined as the results of the accumulated area under the curve divided by interval follow-up days. Patients were divided into two groups according to early serious infection and initial and adjusted neutropenia and were then compared. Results: Immunosuppressive-naïve SLE patients with early serious infection more frequently had initial, latest, and adjusted leukopenia and neutropenia (<2,500/mm3) and hypocomplementemia than those without. Adjusted neutropenia was the only independent predictive value for early serious infection [odds ratio (OR 11.366)]. Initial neutropenia was the independent predictive value for adjusted neutropenia (OR 6.504). Conclusions: We suggest that adjusted neutropenia is useful for predicting early serious infection in SLE patients during the first follow-up year.
Full Text
http://informahealthcare.com/doi/abs/10.3109/s10165-012-0666-1
DOI
10.1007/s10165-012-0666-1
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Park, Min Chan(박민찬) ORCID logo https://orcid.org/0000-0003-1189-7637
Park, Yong Beom(박용범)
Lee, Sang Won(이상원) ORCID logo https://orcid.org/0000-0002-8038-3341
Lee, Soo Kon(이수곤)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/87546
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