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中华结直肠疾病电子杂志 ›› 2023, Vol. 12 ›› Issue (03) : 200 -206. doi: 10.3877/cma.j.issn.2095-3224.2023.03.005

论著

以CUSUM方法分析腹腔镜层面优先入路直肠癌侧方淋巴结清扫术的学习曲线
张智春, 周远达, 曾庆昇, 李鹏, 杨红杰, 孙轶()   
  1. 300121 天津市人民医院肛肠疾病诊疗中心
  • 收稿日期:2022-07-05 出版日期:2023-06-25
  • 通信作者: 孙轶
  • 基金资助:
    天津市卫生健康科研项目(ZC20081)

The learning curve of fascia space priority approach laparoscopic lateral lymph node dissection in rectal cancer by CUSUM analysis

Zhichun Zhang, Yuanda Zhou, Qingsheng Zeng, Peng Li, Hongjie Yang, Yi Sun()   

  1. Department of Colorectal Surgery, Tianjin Union Medical Center, Tianjin 300121, China
  • Received:2022-07-05 Published:2023-06-25
  • Corresponding author: Yi Sun
引用本文:

张智春, 周远达, 曾庆昇, 李鹏, 杨红杰, 孙轶. 以CUSUM方法分析腹腔镜层面优先入路直肠癌侧方淋巴结清扫术的学习曲线[J/OL]. 中华结直肠疾病电子杂志, 2023, 12(03): 200-206.

Zhichun Zhang, Yuanda Zhou, Qingsheng Zeng, Peng Li, Hongjie Yang, Yi Sun. The learning curve of fascia space priority approach laparoscopic lateral lymph node dissection in rectal cancer by CUSUM analysis[J/OL]. Chinese Journal of Colorectal Diseases(Electronic Edition), 2023, 12(03): 200-206.

目的

通过回顾性研究分析腹腔镜直肠癌层面优先入路侧方淋巴结清扫手术学习曲线。

方法

收集2017年6月~2022年4月天津市人民医院最初的108例腹腔镜层面优先入路侧方淋巴结清扫患者临床资料,对手术时间和术中出血量进行CUSUM曲线分析,从而得出该技术的学习曲线,通过学习曲线确定截断值再进行分组分析。

结果

共纳入108例患者资料,通过CUSUM曲线分析手术时间和术中出血量截断值为30例,其中12例双侧清扫,因此共42侧侧方清扫,将108例患者分为3组,其中学习提高阶段为1~30例,熟练掌握阶段分为30~60例和60~108例,3组患者基线水平和病理学情况差异均无统计学意义,手术时间方面学习提高阶段明显长于熟练掌握阶段(442.7 min vs. 356.5 min,428.4 min,F=10.768,P<0.01),术中出血量方面学习提高阶段明显高于熟练掌握阶段(200 mL vs. 150 mL,150 mL, H=8.839,P=0.012)。

结论

腹腔镜层面优先入路侧方淋巴结清扫手术进入熟练掌握阶段需要进行30例(42侧)该手术,即医生进行30例(42侧)该手术后可以认为度过学习曲线,熟练掌握了该技术。

Objective

To analyze the learning curve of fascia space priority approach laparoscopic lateral lymph node dissection in rectal cancer by a retrospective study.

Methods

The clinical data of 108 patients who had fascia space priority approach laparoscopic lateral lymph node dissection in the initial stage in Tianjin Union Medical Center from June 2017 to April 2022 were collected. CUSUM curve analysis was performed on the operative time and intraoperative blood loss, so as to obtain the learning curve of the technique. The cut-off value was determined by the learning curve and then group analysis was taken.

Results

A total of 108 patients were included. The cut-off value of operation time and intraoperative blood loss was 30 cases analyzed by CUSUM curve, including 12 cases with bilateral dissection, so a total of 42 unilateral lateral node dissection were performed. The 108 patients were divided into 3 groups, including 30 cases in the learning improvement stage, thirty cases and 48 cases in the proficiency stage. There were no statistically significant differences in baseline level and pathological condition among the three groups, while there were statistically significant differences in operative time and intraoperative bleeding. Learning time in the learning improvement stage was significantly higher than that in the proficiency stage (442.7 min vs. 356.5 min, 428.4 min, F=10.768, P<0.01). Intraoperative blood loss in the learning improvement stage was significantly higher than that in the proficiency stage (200 mL vs. 150 mL, 150 mL, H=8.839,P=0.012).

Conclusion

In order to enter proficiency stage, thirty cases (42 unilateral) of fascia space priority approach laparoscopic lateral lymph node dissection are necessary, that means it can be considered to have passed the learning curve and mastered the technique after 30 cases (42 unilateral) of this procedure conducted.

表1 所有病例基线资料[
x¯
±s,例(%)]
图1 单侧清扫手术时间CUSUM分析
图2 双侧清扫手术时间CUSUM分析
图3 所有病例手术时间CUSUM分析
图4 单侧清扫出血量CUSUM分析
图5 双侧清扫出血量CUSUM分析
图6 所有病例出血量CUSUM分析
表2 分组基线资料[
x¯
±s,例(%)]
表3 分组手术相关资料[
x¯
±s,例(%)]
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