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Impact of a Pharmacist Implemented Protocol on Overall Use of Alvimopan (Entereg) and Length of Stay in Laparoscopic Colorectal Surgeries
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作者 Halle M. Orlinski Rachana R. Patel Bradley J. Champagne Joseph A. Trunzo Karen L. Kier 《Journal of Pharmacy and Pharmacology》 2016年第10期521-525,共5页
The primary objective of this study is to assess the impact of a pharmacist-implemented protocol on number of post-operative alvimopan doses. The secondary objective of this study is to assess LOS (length of stay), ... The primary objective of this study is to assess the impact of a pharmacist-implemented protocol on number of post-operative alvimopan doses. The secondary objective of this study is to assess LOS (length of stay), in days, before and after protocol implementation. A retrospective chart review was conducted from October 2015 through March 2016 for all laparoscopic colorectal surgeries. Number of post-operative alvimopan doses received and LOS was recorded for each patient that received at least one dose of alvimopan. Comparative data, before protocol implementation, from November 2014 through June 2015 were analyzed against the study data. Number of post-operative alvimopan doses and LOS were recorded. The mean number of doses was 6.41 in the comparator group and 4.25 in the study group (probability size P 〈 0.001), which did meet statistical significance. Although the secondary objective was not statistically significant, LOS slightly decreased as the mean LOS was 5.01 days in the comparator group versus 4.49 days in the study group (P = 0.256). At the current price of $120 per capsule, close to $30,000 was saved during the study period, projecting an annual cost savings of approximately $68,000. Results from this study show that pharmacists can play a vital role in cost savings and ensuring appropriate use of certain high-risk medications, like alvimopan, without increasing overall length of stay. 展开更多
关键词 ALVIMOPAN pharmacist-implemented COLORECTAL cost savings.
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Markov过程的若干联合分布 被引量:1
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作者 王梓坤 《科学通报》 EI CAS CSCD 北大核心 1996年第10期865-869,共5页
本文对某些Markov过程,研究了它的停时(Stopping time或Optional time)h(ω)、位置x(h)、协停时(Co-optional time)、l(ω)、位置x(l)四者的联合分布,并应用于d≥3维Brown运动,求出了对称稳定过程首出球点与末离球点的联合... 本文对某些Markov过程,研究了它的停时(Stopping time或Optional time)h(ω)、位置x(h)、协停时(Co-optional time)、l(ω)、位置x(l)四者的联合分布,并应用于d≥3维Brown运动,求出了对称稳定过程首出球点与末离球点的联合分布密度.设Z(?){x(t,ω),t≥0}为定义在概率空间(Ω,(?)、(?),P)上的时齐、右连续有左极限的强Markov过程,取值于可测Polish空间(E,(?)),简记x(t,ω)为x(t)或xt推移算子θt.称h(ω)为停时,如它取值于[0,∞],而且(?)≥0,(h(ω)≤t)∈(?).称l(ω)为协停时,如它为(?)可测、非负,而且(?)t≥0,有假设:(i)(?)≥0,在t<h(ω)<∞上,有θ1x(h(ω))=X(h(ω));(ii)在h(ω)<∞上,有h(ω)≤l(ω).由文献[1],在(h(ω)<∞)上,有θhl(ω)=l(ω)-h(ω),(1)θt及θh的精确定义与性质见文献[2].先证明它的一些新性质,σ-代数(?)关于一切测度Px(x∈E)的完全化σ-代数记为(?). 展开更多
关键词 协停时 推移算子 马氏过程 联合分布密度
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