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An Interrupted Time Series Analysis Measuring the Impact of Research and Education on Clinical Practice: Decreasing Allograft Use in Young Patients Using a Registry to Track Outcomes
The Journal of Bone & Joint Surgery ( IF 5.3 ) Pub Date : 2023-02-22 , DOI: 10.2106/jbjs.22.00955
Gregory B Maletis 1 , Heather A Prentice 2 , Ronald W B Wyatt 3 , Elizabeth W Paxton 2 , Tadashi T Funahashi 4
Affiliation  

Background: 

We sought to evaluate whether allograft utilization for primary anterior cruciate ligament reconstruction (ACLR) within our health-care system changed following the implementation of an allograft reduction intervention and whether revision rates within the health-care system changed following the initiation of the intervention.

Methods: 

We conducted an interrupted time series study using data from Kaiser Permanente’s ACL Reconstruction Registry. In our study, we identified 11,808 patients who were ≤21 years of age and underwent primary ACLR from January 1, 2007, through December 31, 2017. The pre-intervention period (15 quarters) was January 1, 2007, through September 30, 2010, and the post-intervention period (29 quarters) was October 1, 2010, through December 31, 2017. Poisson regression was used to evaluate trends over time in 2-year revision rates according to the quarter in which the primary ACLR was performed.

Results: 

Allograft utilization increased pre-intervention from 21.0% in 2007 Q1 to 24.8% in 2010 Q3. Utilization decreased post-intervention from 29.7% in 2010 Q4 to 2.4% in 2017 Q4. The quarterly 2-year revision rate increased from 3.0 to 7.4 revisions per 100 ACLRs pre-intervention and decreased to 4.1 revisions per 100 ACLRs by the end of the post-intervention period. Poisson regression found an increasing 2-year revision rate over time pre-intervention (rate ratio [RR], 1.03 [95% confidence interval (CI), 1.00 to 1.06] per quarter) and a decreasing rate over time post-intervention (RR, 0.96 [95% CI, 0.92 to 0.99]).

Conclusions: 

In our health-care system, we saw a decrease in allograft utilization following the implementation of an allograft reduction program. During the same period, a decrease in the ACLR revision rate was observed.

Level of Evidence: 

Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.



中文翻译:

测量研究和教育对临床实践的影响的中断时间序列分析:使用登记系统跟踪结果减少年轻患者的同种异体移植物使用

背景: 

我们试图评估在实施同种异体移植物减少干预后,我们的医疗保健系统中用于原发性前交叉韧带重建 (ACLR) 的同种异体移植物的利用是否发生了变化,以及医疗保健系统内的翻修率是否在干预开始后发生了变化。

方法: 

我们使用来自 Kaiser Permanente 的 ACL 重建登记处的数据进行了间断时间序列研究。在我们的研究中,我们从 2007 年 1 月 1 日到 2017 年 12 月 31 日确定了 11,808 名年龄≤21 岁并接受了原发性 ACLR 的患者。干预前时期(15 个季度)是 2007 年 1 月 1 日到 9 月 30 日, 2010 年,干​​预后时期(29 个季度)为 2010 年 10 月 1 日至 2017 年 12 月 31 日。泊松回归用于根据执行主要 ACLR 的季度评估 2 年修订率随时间的趋势.

结果: 

同种异体移植物的使用率从 2007 年第一季度的 21.0% 增加到 2010 年第三季度的 24.8%。干预后的利用率从 2010 年第四季度的 29.7% 下降到 2017 年第四季度的 2.4%。季度 2 年修订率从干预前每 100 个 ACLRs 3.0 次修订增加到 7.4 次修订,到干预后期结束时下降到每 100 个 ACLRs 4.1 次修订。泊松回归发现干预前 2 年修正率随着时间的推移而增加(率比 [RR],每季度 1.03 [95% 置信区间 (CI),1.00 至 1.06])和干预后随着时间的推移而下降(RR , 0.96 [95% CI, 0.92 至 0.99])。

结论: 

在我们的医疗保健系统中,我们发现在实施同种异体移植物减少计划后,同种异体移植物的使用率有所下降。在同一时期,观察到 ACLR 翻修率下降。

证据等级: 

治疗等级IV。有关证据等级的完整描述,请参阅作者须知。

更新日期:2023-02-22
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