World neurosurgery · 2024
Using Engineering Methods (Kaizen and Micromovements Science) to Improve and Provide Evidence Regarding Microsurgical Hand Skills.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Villanueva Pablo Javier, Sugiyama Taku, Villanueva Bárbara Magdalena, Rodriguez Hector Ivan, Arciénaga Antonio, Cherian Iype
Аннотация
OBJECTIVE: Microsurgical interventions involve the interaction of numerous variables, making objective analysis of skill proficiency challenging. This difficulty is even more pronounced in low-resource contexts. Continuous improvement methodologies such as Kaizen-planning, doing, checking, acting (PDCA) and micromovements science (MMS) can address this issue. This study aimed to demonstrate the advantages of designing and implementing microsurgical training programs using these methodologies.
METHODS: Following an extensive literature review of Kaizen-PDCA and MMS, and under the guidance of experienced neurosurgeons and engineers, a microvascular bypass training program was developed using the human placenta. Subsequently, the training program was used to analyze and describe the process of a trainee neurosurgeon in Argentina with no prior experience in microvascular anastomosis, as the operator gained proficiency.
RESULTS: The trainee required 12 attempts to achieve the program goals. The longest procedural time was during the first attempt (1 hour 49 minutes 05 seconds with 2 mistakes), while the shortest time was during the fourth attempt (53 minutes 29 seconds with 3 mistakes). After 12 attempts, the trainee made no mistakes, and the procedural time was reduced to 57 minutes 37 seconds. The final learning curve demonstrated a regular pattern and reached a plateau after 7 attempts.
CONCLUSIONS: The training program and methodology effectively assessed, facilitated, and demonstrated the acquisition of microsurgical skills. Kaizen-PDCA and MMS enabled the effective use of expert experience, detailed evaluation of microsurgical procedures, and integration into a continuous improvement cycle. The program structure could also be valuable for teaching, evaluating, and enhancing similar surgical procedures.
METHODS: Following an extensive literature review of Kaizen-PDCA and MMS, and under the guidance of experienced neurosurgeons and engineers, a microvascular bypass training program was developed using the human placenta. Subsequently, the training program was used to analyze and describe the process of a trainee neurosurgeon in Argentina with no prior experience in microvascular anastomosis, as the operator gained proficiency.
RESULTS: The trainee required 12 attempts to achieve the program goals. The longest procedural time was during the first attempt (1 hour 49 minutes 05 seconds with 2 mistakes), while the shortest time was during the fourth attempt (53 minutes 29 seconds with 3 mistakes). After 12 attempts, the trainee made no mistakes, and the procedural time was reduced to 57 minutes 37 seconds. The final learning curve demonstrated a regular pattern and reached a plateau after 7 attempts.
CONCLUSIONS: The training program and methodology effectively assessed, facilitated, and demonstrated the acquisition of microsurgical skills. Kaizen-PDCA and MMS enabled the effective use of expert experience, detailed evaluation of microsurgical procedures, and integration into a continuous improvement cycle. The program structure could also be valuable for teaching, evaluating, and enhancing similar surgical procedures.