医学
库苏姆
学习曲线
透视
腰椎
外科
统计
数学
经济
管理
作者
Pratyush Shahi,Tejas Subramanian,Omri Maayan,Maximilian Korsun,Sumedha Singh,Kasra Araghi,Nishtha Singh,Tomoyuki Asada,Olivia Tuma,Avani S. Vaishnav,Evan Sheha,James Dowdell,Sheeraz A. Qureshi,Sravisht Iyer
出处
期刊:Spine
[Ovid Technologies (Wolters Kluwer)]
日期:2023-06-07
卷期号:48 (21): 1517-1525
被引量:6
标识
DOI:10.1097/brs.0000000000004745
摘要
Retrospective review of prospectively collected data.To analyze the learning curves of three spine surgeons for robotic minimally invasive transforaminal lumbar interbody fusion (MI-TLIF).Although the learning curve for robotic MI-TLIF has been described, the current evidence is of low quality with most studies being single-surgeon series.Patients who underwent single-level MI-TLIF with three spine surgeons (years in practice: surgeon 1: 4, surgeon 2: 16, and surgeon 3: two) using a floor-mounted robot were included. Outcome measures were operative time, fluoroscopy time, intraoperative complications, screw revision, and patient-reported outcome measures. Each surgeon's cases were divided into successive groups of 10 patients and compared for differences. Linear regression and cumulative sum (CuSum) analyses were performed to analyze the trend and learning curve, respectively.A total of 187 patients were included (surgeon 1: 45, surgeon 2: 122, and surgeon 3: 20). For surgeon 1, CuSum analysis showed a learning curve of 21 cases with the attainment of mastery at case 31. Linear regression plots showed negative slopes for operative and fluoroscopy time. Both learning phase and postlearning phase groups showed significant improvement in patient-reported outcome measures. For surgeon 2, CuSum analysis demonstrated no discernible learning curve. There was no significant difference between successive patient groups in either operative time or fluoroscopy time. For surgeon 3, CuSum analysis demonstrated no discernible learning curve. Even though the difference between successive patient groups was not significant, cases 11 to 20 had an average operative time of 26 minutes less than cases 1-10), suggesting an ongoing learning curve.Surgeons who are well-experienced can be expected to have no or minimal learning curve for robotic MI-TLIF. Early attendings are likely to have a learning curve of around 21 cases with the attainment of mastery at case 31. Learning curve does not seem to impact clinical outcomes after surgery.Level 3.
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