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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Medicine+(Baltimore)
2015 ; 94
(18
): e843
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
The CD4 Lymphocyte Count is a Better Predictor of Overall Infection Than the
Total Lymphocyte Count in ANCA-Associated Vasculitis Under a Corticosteroid and
Cyclophosphamide Regimen: A Retrospective Cohort
#MMPMID25950695
Shi YY
; Li ZY
; Zhao MH
; Chen M
Medicine (Baltimore)
2015[May]; 94
(18
): e843
PMID25950695
show ga
Patients with antineutrophil cytoplasmic autoantibody associated vasculitis (AAV)
have a high prevalence of infection during immunosuppressive therapy, and the
total lymphocyte count (TLC) has been demonstrated to be an independent predictor
of infection. The current study investigated the value of the TLC and its
subsets, particularly the CD4 count, for predicting infections of AAV in a single
Chinese cohort.A total of 124 AAV patients were retrospectively recruited in our
department from December 1997 to October 2013. Multivariate Cox models with the
CD4 count or TLC measured at three typical time points, that is, at baseline, at
the beginning of immunosuppressant dose reduction, and at the last visit before
infection or censoring, or with the measurements included as time-varying
covariates, were compared to select the most predictive time point for infection.
A time-dependent area under the receiver operating characteristic curve (AUC(t))
for the TLC (AUC(t)TLC) and the CD4 count (AUC(t)CD4count) measured at the most
predictive time point were calculated and compared.During an average follow-up of
11.5 (range 0.5-142) months, 55 of the 124 patients (44.3%) experienced a
microbiologically confirmed infection. Independent predictors of overall
infection were initial creatinine clearance (P?=?0.02 and 0.04), pulmonary
interstitial fibrosis (P?=?.04 and .05), pulmonary nodule or cavity (P?=?0.002
and .002), CD4 count (P?0.001) or TLC (P?=?0.05) from the last visit. The
comparison of Cox models fitted at different time points confirmed the last visit
to be the most predictive one for overall infection. The predictive value of the
CD4 count or TLC from the last visit measured by AUC showed that the
AUC(t)CD4count (62.8-70.2%) was almost always higher than AUC(t)TLC (55.2-58.1%)
during the first 2 years of immunosuppressive therapy (P?=?0.01-0.2). In terms of
different pathogens, both the CD4 count and TLC performed well for non-bacterial
infection (AUC(t) 69.2-82.7%), and the difference between them was not
significant (P?>?0.1).The TLC and CD4 count were both independent risk factors of
overall infection and non-bacterial infection in AAV patients. The CD4 count had
a higher predictive value than the TLC for overall infections, particularly
during the first 2 years of immunosuppressive therapy.
|*Immunocompromised Host
[MESH]
|Adolescent
[MESH]
|Adrenal Cortex Hormones/*adverse effects/therapeutic use
[MESH]