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Impact of surgical instrumentation on hospital length of stay and cost of total knee arthroplasty
Expert Review of Pharmacoeconomics & Outcomes Research ( IF 2.3 ) Pub Date : 2020-06-21 , DOI: 10.1080/14737167.2020.1778468
Vicente J León-Muñoz 1 , Mirian López-López 2 , Francisco Martínez-Martínez 1, 3 , Fernando Santonja-Medina 1, 3
Affiliation  

ABSTRACT

Background

We aimed to analyze the impact of two different types of surgical instrumentation (conventional manual instrumentation (CI) and patient-specific instrumentation (PSI)) on length of stay (LOS) and objectify differences in cost. We hypothesized that there are no differences in the LOS and cost due to the instrumentation system used.

Research design and methods

LOS was registered using inpatient admission data provided by the Institutional Management Control Department. We recorded the costs associated with each procedure that could be influenced by the use of one system or another during the in-hospital stay. We conducted a prospectively single-center cohort study of 305 TKAs. Surgery was performed with conventional CI in 122 cases and with PSI in 183 cases.

Results

The mean LOS for the CI group was 4.29 days (SD 1.65) and 4.22 days (SD 1.26), for the PSI group. No significant difference among both instrumentation systems was obtained. When comparing global costs, the mean cost was slightly higher (without a significant difference) for the PSI cases (€3110.24 vs. €2852.7 for the CI cases).

Conclusions

LOS and overall cost, in hospitals with a low annual TKA surgery volume, are unrelated to conventional or patient-specific instrumentation.



中文翻译:

手术器械对住院时间和全膝关节置换术费用的影响

摘要

背景

我们旨在分析两种不同类型的手术器械(传统手动器械(CI)和患者专用器械(PSI))对住院时间(LOS)的影响,并客观化成本差异。我们假设由于使用的仪器系统,LOS 和成本没有差异。

研究设计与方法

LOS 是使用机构管理控制部门提供的住院患者入院数据登记的。我们记录了在住院期间可能受到使用一个或另一个系统影响的每个程序的相关成本。我们对 305 例 TKA 进行了一项前瞻性单中心队列研究。122 例采用常规 CI 进行手术,183 例采用 PSI 进行手术。

结果

对于 PSI 组,CI 组的平均 LOS 为 4.29 天 (SD 1.65) 和 4.22 天 (SD 1.26)。两种仪器系统之间没有显着差异。在比较全球成本时,PSI 案例的平均成本略高(没有显着差异)(3110.24 欧元,CI 案例为 2852.7 欧元)。

结论

在年 TKA 手术量较低的医院中,LOS 和总成本与常规或患者专用器械无关。

更新日期:2020-06-21
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