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Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.1 P.43-48

http://doi.org/10.1631/jzus.2005.B0043


Predictive performance of ‘Diprifusor’ TCI system in patients during upper abdominal surgery under propofol/fentanyl anesthesia


Author(s):  LI Yu-hong, XU Jian-hong, YANG Jian-jun, TIAN Jie, XU Jian-guo

Affiliation(s):  Department of Anesthesiology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China; more

Corresponding email(s):   yuh_li2002@hotmail.com

Key Words:  Target-controlled infusion (TCI), &lsquo, Diprifusor&rsquo, TCI system, Predictive performance assessment, Wobble, Infusion


LI Yu-hong, XU Jian-hong, YANG Jian-jun, TIAN Jie, XU Jian-guo. Predictive performance of ‘Diprifusor’ TCI system in patients during upper abdominal surgery under propofol/fentanyl anesthesia[J]. Journal of Zhejiang University Science B, 2005, 6(1): 43-48.

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author="LI Yu-hong, XU Jian-hong, YANG Jian-jun, TIAN Jie, XU Jian-guo",
journal="Journal of Zhejiang University Science B",
volume="6",
number="1",
pages="43-48",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.B0043"
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%0 Journal Article
%T Predictive performance of ‘Diprifusor’ TCI system in patients during upper abdominal surgery under propofol/fentanyl anesthesia
%A LI Yu-hong
%A XU Jian-hong
%A YANG Jian-jun
%A TIAN Jie
%A XU Jian-guo
%J Journal of Zhejiang University SCIENCE B
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%N 1
%P 43-48
%@ 1673-1581
%D 2005
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.B0043

TY - JOUR
T1 - Predictive performance of ‘Diprifusor’ TCI system in patients during upper abdominal surgery under propofol/fentanyl anesthesia
A1 - LI Yu-hong
A1 - XU Jian-hong
A1 - YANG Jian-jun
A1 - TIAN Jie
A1 - XU Jian-guo
J0 - Journal of Zhejiang University Science B
VL - 6
IS - 1
SP - 43
EP - 48
%@ 1673-1581
Y1 - 2005
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2005.B0043


Abstract: 
Objective: To evaluate the predictive performance of &lsquo;diprifusor&rsquo; TCI (target-controlled infusion) system for its better application in clinical anesthesia. Methods: The predictive performance of a &lsquo;diprifusor&rsquo; TCI system was investigated in 27 Chinese patients (16 males and 11 females) during upper abdominal surgery under total intravenous anesthesia (TIVA) with propofol/fentanyl. Measured arterial propofol concentrations were compared with the values predicted by the TCI infusion system. Performance was determined by the median performance error (MDPE), the median absolute performance error (MDAPE), the divergence (the percentage change of the absolute PE with time), and the wobble (the median absolute deviation of each PE from the MDPE). Results: The median (range) values of 14.9% (-21.6%~42.9%) for MDPE, 23.3% (6.9%~62.5%) for MDAPE, -1.9% h-1 (-32.7%~23.0% h-1) for divergence, and 18.9% (4.2%~59.6%) for wobble were obtained from 227 samples from all patients. For the studied population, the PE did not increase with time but with increasing target propofol concentration, particularly following induction. Conclusions: The control of depth of anaesthesia was good in all patients undergoing upper abdominal surgical operation and the predictive performance of the &lsquo;diprifusor&rsquo; target controlled infusion system was considered acceptable for clinical purposes. But the relatively bigger wobble showed that the pharmacokinetic model is not so suitable and requires improvement.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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Open peer comments: Debate/Discuss/Question/Opinion

<1>

taira@china <caoyangtaira@163.com>

2010-05-18 14:45:53

it is very good

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