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Oblique Single-Cut Rotation Osteotomy for Correction of Femoral Varus-Torsional Deformities in 3D-Reconstructed Canine Bone Models

한국임상수의학회지 2020년 37권 4호 p.180 ~ 184
김현호, 노윤호, 이제훈, 정재민, 정성목, 이해범,
소속 상세정보
김현호 ( Kim Hyeon-Ho ) - Chungnam National University College of Veterinary Medicine
노윤호 ( Roh Yoon-Ho ) - Chungnam National University College of Veterinary Medicine
이제훈 ( Lee Je-Hun ) - Chungnam National University College of Veterinary Medicine
정재민 ( Jeong Jae-Min ) - Chungnam National University College of Veterinary Medicine
정성목 ( Jeong Seong-Mok ) - Chungnam National University College of Veterinary Medicine
이해범 ( Lee Hae-Beom ) - Chungnam National University College of Veterinary Medicine

Abstract


The purpose of this study was to report the reliability and validity of oblique single-cut rotation osteotomy (OSCRO) in 3D-reconstructed canine bone models with femoral varus and torsional deformities. A healthy adult male beagle was recruited to create a 3D bone model, and this bone model was modified by using a 3D program. Fifteen bone models were constructed for this study. OSCRO simulation was performed in accordance with the plan after printing using a 3D printing machine. The anatomical lateral distal femoral angle (aLDFA), anteversion angle (AA), anatomical caudo-distal femoral angle (aCdDFA), mechanical caudo-distal femoral angle (mCdDFA) and pre- and postoperative bone length were calculated. There were no significant differences between the target values and postoperative values. In addition, the difference between pre- and postoperative bone length was small (p = 0.001). Our findings suggest that OSCRO could be an effective surgical option for MPL with bone deformities in small-breed dogs that often undergo conventional distal femoral osteotomy.

키워드

bone deformity; oblique single-cut rotation osteotomy; medial patellar luxation; torsion; varus

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