Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
 
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ORIGINAL ARTICLE
Year : 2022  |  Volume : 17  |  Issue : 3  |  Page : 173-179

Application of three-dimensional reconstruction technology combined with three-dimensional printing in the treatment of pectus excavatum


1 Clinical Medical College, Yangzhou University; Institute of Translational Medicine, Medical College, Yangzhou University; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou 225000; Department of Thoracic Surgery, Jiangyin People's Hospital, Jiangyin 214400, China
2 Department of Thoracic Surgery, Jiangyin People's Hospital, Jiangyin 214400, China
3 Clinical Medical College, Yangzhou University; Institute of Translational Medicine, Medical College, Yangzhou University; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou 225000, China

Correspondence Address:
Dr. Hongcan Shi
Medical College, Yangzhou University, No.136 Jiang Yang Mid Road, Yangzhou 225000
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/atm.atm_506_21

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OBJECTIVES: To explore the clinical value of three-dimensional (3D) reconstruction technology combined with 3D printing in the treatment of pectus excavatum (PE). METHODS: The clinical data of 10 patients with PE in our department from June 2018 to December 2020 were analyzed retrospectively. All patients underwent thin-layer computed tomography examination before the operation, and then 3D reconstruction was performed with Mimics 20.0 software. The radian and curvature of the pectus bar were designed according to the reconstructed images. Afterward, the images were imported into the light-curing 3D printer in STL format for slice printing. Hence that the personalized operation scheme, including the size of the pectus bar and the surgical approach, can be made according to the 3D printed model. The thoracoscopic-assisted Nuss operation was completed by bilateral incisions. The operation time, intraoperative blood loss, and postoperative hospitalization were counted and analyzed. The satisfaction of the surgery was evaluated according to the Haller index and the most posterior sternal compression sternovertebral distance. RESULTS: The surgeries were successfully completed in 10 patients without a transfer to open procedure. The average operation time was (56 ± 8.76) min, the intraoperative blood loss was (23.5 ± 11.07) mL, and the postoperative hospitalization was (7.2 ± 0.92) d. There were no serious complications or death during the perioperative period. Compared with the data before the operation, the most posterior sternal compression sternovertebral distance was larger, and the Haller index was lower, the differences were statistically significant (P < 0.05). CONCLUSIONS: 3D reconstruction technology combined with 3D printing, which can be used before operation, contributes to the operator performing thoracoscopic-assisted Nuss operation safely and effectively, which has productive clinical application value for the treatment of pectus excavatum.


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