KMID : 1143720210170020091
|
|
Korean Journal of Neurotrauma 2021 Volume.17 No. 2 p.91 ~ p.99
|
|
Efficacy of 3D-Printed Titanium Mesh-Type Patient-Specific Implant for Cranioplasty
|
|
Yoon Hong-Gyu
Ko Yong Kim Young-Soo Bak Koang-Hum Chun Hyoung-Joon Na Min-Kyun Yang Sook Yi Hyeong-Joong Choi Kyu-Sun
|
|
Abstract
|
|
|
Objective: Autologous bone grafting for cranioplasty is associated with a high infection rate and bone absorption. Synthetic implant materials for cranioplasty have been developed. In this study, we evaluated the efficacy of titanium mesh-type patient-specific implants (PSIs) for patients with skull defects using the dice similarity coefficient (DSC), clinical outcomes, and artifacts caused by implants.
Methods: This retrospective study included 40 patients who underwent cranioplasty with a titanium mesh PSI at our institution. Based on preoperative and postoperative computed tomography scans, we calculated DSC and artifacts.
Results: The calculated DSC of 40 patients was 0.75, and the noise was 13.89% higher in the region of interest (ROI) near the implanted side (average, 7.64 hounsfield unit [HU]¡¾2.62) than in the normal bone (average, 6.72 HU¡¾2.35). However, the image signal-to-noise ratio did not significantly differ between the ROI near the implanted side (4.77¡¾1.78) and normal bone (4.97¡¾1.88). The patients showed no significant perioperative complications that required a secondary operation.
Conclusion: Titanium mesh-type PSIs for cranioplasty have excellent DSC values with lower artifacts and complication rates.
|
|
KEYWORD
|
|
Titanium, Printing, three-dimensional, Artifact
|
|
FullTexts / Linksout information
|
|
|
|
Listed journal information
|
|
|