Abstract
BackgroundThree-dimensional (3D) computed tomography (CT) reconstruction technology has gained attention owing to its potential in locating ground glass nodules in the lung. The 3D printing technology additionally allows the visualisation of the surrounding anatomical structure and variations. However, the clinical utility of these techniques is unknown. This study aimed to establish a lung tumour and an anatomical lung model using 3D printing and 3D chest CT reconstruction and to evaluate the clinical potential of 3D printing technology in uniportal video-assisted thoracoscopic segmentectomy.MethodsEighty-nine patients with ground glass nodules who underwent uniportal video-assisted thoracoscopic segmentectomy were classified into the following groups: group A, lung models for pre-positioning and simulated surgery that were performed with 3D chest CT reconstruction and 3D printing, and group B, patients who underwent chest CT scans with image enhancement for 3D reconstruction. The differences in the surgery approach transfer rate, surgical method conversion rate, operative time, intraoperative blood loss, and postoperative complication rate were compared between the two groups.ResultsBetween groups A and B, there were significant differences in the approach transfer rate (0% vs.10.5%, p = 0.030), operative time (2.07 ± 0.24 h vs. 2.55 ± 0.41 h, p < 0.001), intraoperative blood loss volume (43.25 ± 13.63 mL vs. 96.68 ± 32.82 mL, p < 0.001) and the rate of surgical method conversion to lobectomy (0% vs. 10.5%, p < 0.030). In contrast, there was an insignificant difference in the postoperative complication rate between groups A and B (3.9% vs. 13.2%, p = 0.132).Conclusions3D printing technology facilitates a more accurate location of nodules by surgeons, as it is based on two-dimensional and 3D image-based findings, and therefore, it can improve surgical accuracy and safety. This technique is worth applying in clinical practice.
Highlights
Three-dimensional (3D) computed tomography (CT) reconstruction technology has gained attention owing to its potential in locating ground glass nodules in the lung
Three-dimensional (3D) CT reconstruction technology has received a lot of attention as it can facilitate in locating the position of lung ground glass nodules (GGNs) [4]
With the development of 3D printing technology and its introduction into the field of surgery, the relationship between lung anatomy and lung tumour can be visualised preoperatively, which can help the surgeon to determine the specific location of the lesion, the surrounding anatomical structure, and characteristic variations; simulate surgical procedures; and explore the optimal surgical path to reduce the rate of surgery, operative time, and intraoperative blood loss
Summary
Three-dimensional (3D) computed tomography (CT) reconstruction technology has gained attention owing to its potential in locating ground glass nodules in the lung. This study aimed to establish a lung tumour and an anatomical lung model using 3D printing and 3D chest CT reconstruction and to evaluate the clinical potential of 3D printing technology in uniportal video-assisted thoracoscopic segmentectomy. Thoracoscopic surgery is the standard treatment for early-stage lung tumours The advantages of this technique include minimal trauma and a rapid rate of postoperative recovery, and it is widely recognised and applied by thoracic surgeons [3, 4]. With the development of 3D printing technology and its introduction into the field of surgery, the relationship between lung anatomy and lung tumour can be visualised preoperatively, which can help the surgeon to determine the specific location of the lesion, the surrounding anatomical structure, and characteristic variations; simulate surgical procedures; and explore the optimal surgical path to reduce the rate of surgery, operative time, and intraoperative blood loss. This study aimed to analyse the potential application of 3D chest CT reconstruction combined with 3D printing technology in uniportal video-assisted thoracoscopic segmentectomy
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