Background: Rib fracture is closely related to thoracic injury with high morbidity and mortality. This study aimed to investigate the clinical effect of Zhang ZhiFei (ZZF) zoning method on the selection of incision and approach in minimally invasive surgery for rib fracture.
Methods: A total of 110 patients with rib fractures from July 2017 to July 2019 were enrolled in the study. Preoperative computed tomography and three-dimensional reconstruction of ribs was performed. Then, the rib fractures to be surgically fixed were divided into costal cartilage zone, chest zone, lateral costal zone, high posterior costal zone, low posterior costal subscapular zone, and low posterior costal paraspinal zone, which was called ZZF zoning method. Rib fractures in each zone had unique minimally invasive incision approach, and the open reduction and internal fixation of rib fracture was performed under minimally invasive surgery of corresponding small incision.
Results: The average incision length and number of incisions of the 110 patients were 6.2 cm and 1.3, respectively. The average number of internal fixation was 5.3 and the average operation time was 82 min. The postoperative fracture end was well aligned. After 3 months of follow-up, no internal fixation was displaced or detached.
Conclusion: Based on the anatomical characteristics of different zones of the chest wall, ZZF zoning method provides a new idea and reference for the selection of incision and approach in minimally invasive internal fixation for rib fracture.
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