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一个随机试验的集群与间隔模拟在forceps辅助的阴道分娩

Andrew T Greene¹, Matthew Zuber¹, Joshua Nitsche¹

¹Maternal Fetal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA.

American journal of obstetrics & gynecology MFM

|August 21, 2025

概括

集群和间隔模拟训练提高了子辅助阴道分娩 (FAVD) 的技能和信心. 两种培训方法都没有显示出随着时间的推移所保留的技能有显著差异.

科学领域:

产科和妇科
医学教育
手术模拟

背景情况:

子辅助性阴道分娩 (FAVD) 的比例正在下降,减少了居民的培训机会.
之前的研究表明,模拟提高了培训人员对FAVD的技能和信心.
对于保持技能的最佳时间和模拟频率尚不清楚.

研究的目的:

为了比较集群与间隔模拟课程在教学FAVD的有效性.
假设间隔训练会导致更好的技能保留.

主要方法:

这是一项随机对照试验,
参与者被随机分配到一个30分钟的集群会议或三个隔着一周的10分钟的会议.
目标技术技能结构评估 (OSATS) 评分是在干预后1个月使用视频分析进行的.

主要成果:

集群和间隔模拟训练都显著改善了FAVD OSATS比基线的得分.
在集群和间隔组之间没有观察到中位数OSATS得分变化 (p=0. 78).
这两组都报告了对执行FAVD程序的信心增加.

结论:

模拟培训,无论是集群或间隔的形式,都有效地提高了FAVD技能和信心.
新的护理视频和模拟器应用程序增强了FAVD模拟培训.
进一步的研究可能会探索长期技能维护的最佳模拟频率.

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Randomized Experiments

Randomized Experiments

The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...