Publication: Three-dimensional printing technology for patient-matched instrument in treatment of cubitus varus deformity: A case report
Issued Date
2021-01-01
Resource Type
ISSN
22185836
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2-s2.0-85106605949
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Mahidol University
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SCOPUS
Bibliographic Citation
World Journal of Orthopedics. Vol.12, No.5 (2021), 338-345
Suggested Citation
Nithid Sri-Utenchai, Nachapan Pengrung, Korakod Srikong, Chedtha Puncreobutr, Boonrat Lohwongwatana, Paphon Sa-ngasoongsong Three-dimensional printing technology for patient-matched instrument in treatment of cubitus varus deformity: A case report. World Journal of Orthopedics. Vol.12, No.5 (2021), 338-345. doi:10.5312/wjo.v12.i5.338 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/78728
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Title
Three-dimensional printing technology for patient-matched instrument in treatment of cubitus varus deformity: A case report
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Abstract
BACKGROUND Recently, medical three-dimensional printing technology (3DPT) has demonstrated potential benefits for the treatment of cubitus varus deformity (CVD) by improving accuracy of the osteotomy through the use of an osteotomy guide, with or without a patient-mated plate. Here, we present an interesting CVD case, involving a patient who was treated with corrective biplanar chevron osteotomy using an innovative customized osteotomy guide and a newly designed patient-matched monoblock crosslink plate created with 3DPT. CASE SUMMARY A 32-year-old female presented with a significant CVD from childhood injury. A computer simulation was processed using images from computerized tomography scans of both upper extremities. The biplanar chevron osteotomy was designed to create identical anatomy between the mirror image of the contralateral distal humerus and the osteotomized distal humerus. Next, the customized osteotomy guide and patient-matched monoblock crosslink plate were designed and printed. A simulation osteotomy was created for the real-sized bone model, and the operation was performed using the posterior paratricipital approach with k-wire positioning from the customized osteotomy guide as a predrilled hole for screw fixation to achieve immediate control of the reduction after osteotomy. Our method allowed for successful treatment of the CVD case, significantly improving the patient’s radiographic and clinical outcomes, with satisfactory result. CONCLUSION 3DPT-created patient-matched osteotomy guide and instrumentation provides accurate control during CVD correction.
