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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 J+Hematol+Oncol
2017 ; 10
(1
): 104
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Platelet desialylation is a novel mechanism and a therapeutic target in
thrombocytopenia during sepsis: an open-label, multicenter, randomized controlled
trial
#MMPMID28494777
Li MF
; Li XL
; Fan KL
; Yu YY
; Gong J
; Geng SY
; Liang YF
; Huang L
; Qiu JH
; Tian XH
; Wang WT
; Zhang XL
; Yu QX
; Zhang YF
; Lin P
; Wang LN
; Li X
; Hou M
; Liu LY
; Peng J
J Hematol Oncol
2017[May]; 10
(1
): 104
PMID28494777
show ga
BACKGROUND: Studies in murine models suggested that platelet desialylation was an
important mechanism of thrombocytopenia during sepsis. METHODS: First, we
performed a prospective, multicenter, observational study that enrolled septic
patients with or without thrombocytopenia to determine the association between
platelet desialylation and thrombocytopenia in patients with sepsis, severe
sepsis, and septic shock. Gender- and age-matched healthy adults were selected as
normal controls in analysis of the platelet desialylation levels (study I). Next,
we conducted an open-label randomized controlled trial (RCT) in which the
patients who had severe sepsis with thrombocytopenia (platelet counts
?50?×?10(9)/L) were randomly assigned to receive antimicrobial therapy alone
(control group) or antimicrobial therapy plus oseltamivir (oseltamivir group) in
a 1:1 ratio (study II). The primary outcomes were platelet desialylation level at
study entry, overall platelet response rate within 14 days post-randomization,
and all-cause mortality within 28 days post-randomization. Secondary outcomes
included platelet recovery time, the occurrence of bleeding events, and the
amount of platelets transfused within 14 days post-randomization. RESULTS: The
platelet desialylation levels increased significantly in the 127 septic patients
with thrombocytopenia compared to the 134 patients without thrombocytopenia. A
platelet response was achieved in 45 of the 54 patients in the oseltamivir group
(83.3%) compared with 34 of the 52 patients in the control group (65.4%;
P?=?0.045). The median platelet recovery time was 5 days (interquartile range
4-6) in the oseltamivir group compared with 7 days (interquartile range 5-10) in
the control group (P?=?0.003). The amount of platelets transfused decreased
significantly in the oseltamivir group compared to the control group (P?=?0.044).
There was no difference in the overall 28-day mortality regardless of whether
oseltamivir was used. The Sequential Organ Failure Assessment score and platelet
recovery time were independent indicators of oseltamivir therapy. The main reason
for all of the mortalities was multiple-organ failure. CONCLUSIONS:
Thrombocytopenia was associated with increased platelet desialylation in septic
patients. The addition of oseltamivir could significantly increase the platelet
response rate, shorten platelet recovery time, and reduce platelet transfusion.
TRIAL REGISTRATION: Chinese Clinical Trial Registry, ChiCTR-IPR-16008542 .