Nam-Ki Kim1, Seong-Il Bin2, Jong-Min Kim3, Bum-Sik Lee3, Chang-Rack Lee4. 1. Department of Orthopedic Surgery, Red-Cross Hospital, Incheon, South Korea. 2. Department of Orthopedic Surgery, College of Medicine, Asan Medical Center, University of Ulsan, 388-1, Poongnap-2dong, Songpa-gu, Seoul, 138-736, South Korea. sibin@amc.seoul.kr. 3. Department of Orthopedic Surgery, College of Medicine, Asan Medical Center, University of Ulsan, 388-1, Poongnap-2dong, Songpa-gu, Seoul, 138-736, South Korea. 4. Department of Orthopedic Surgery, College of Medicine, Busan Paik Hospital, Inje University, Busan, South Korea.
Abstract
PURPOSE: The purpose was to analyse the correlation between meniscal extrusion and position changes of the anterior horn and posterior horn after medial meniscal allograft transplantation. METHODS: Patients (n = 68) who underwent medial MAT were included. Anatomical positions of the anterior horn and posterior horn were measured, before and after surgery, using magnetic resonance images in the coronal and sagittal planes. The absolute and relative delta values of the anatomical positions were obtained, and the absolute and relative meniscal extrusion measurements were taken. RESULTS: In the coronal plane, the absolute position change of anterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. The relative position change of anterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. The absolute position change of posterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. The relative position change of posterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. In the sagittal plane, both absolute and relative position change of anterior horn showed no correlation with the absolute and relative meniscal extrusion, respectively. Both absolute and relative position changes of posterior horn showed nonsignificant weak correlation with the absolute and relative meniscal extrusion, respectively. CONCLUSION: Transplanting the meniscus close to its native position may reduce subluxation in medial meniscal allograft transplantation. As position changes in the coronal plane can affect the meniscal subluxation more than changes in the sagittal plane, the tibial bone tunnel should be carefully created in the correct anatomical position to avoid a large amount of coronal deviation. LEVEL OF EVIDENCE: Retrospective case series, IV.
PURPOSE: The purpose was to analyse the correlation between meniscal extrusion and position changes of the anterior horn and posterior horn after medial meniscal allograft transplantation. METHODS:Patients (n = 68) who underwent medial MAT were included. Anatomical positions of the anterior horn and posterior horn were measured, before and after surgery, using magnetic resonance images in the coronal and sagittal planes. The absolute and relative delta values of the anatomical positions were obtained, and the absolute and relative meniscal extrusion measurements were taken. RESULTS: In the coronal plane, the absolute position change of anterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. The relative position change of anterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. The absolute position change of posterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. The relative position change of posterior horn showed moderate positive correlation with the absolute and relative meniscal extrusion. In the sagittal plane, both absolute and relative position change of anterior horn showed no correlation with the absolute and relative meniscal extrusion, respectively. Both absolute and relative position changes of posterior horn showed nonsignificant weak correlation with the absolute and relative meniscal extrusion, respectively. CONCLUSION: Transplanting the meniscus close to its native position may reduce subluxation in medial meniscal allograft transplantation. As position changes in the coronal plane can affect the meniscal subluxation more than changes in the sagittal plane, the tibial bone tunnel should be carefully created in the correct anatomical position to avoid a large amount of coronal deviation. LEVEL OF EVIDENCE: Retrospective case series, IV.
Authors: Peter Verdonk; Yves Depaepe; Stefan Desmyter; Martine De Muynck; Karl Fredrik Almqvist; Koenraad Verstraete; René Verdonk Journal: Knee Surg Sports Traumatol Arthrosc Date: 2004-05-14 Impact factor: 4.342
Authors: R Verdonk; P Volpi; P Verdonk; H Van der Bracht; M Van Laer; K F Almqvist; S Vander Eecken; E Prospero; A Quaglia Journal: Injury Date: 2013-01 Impact factor: 2.586