Tashiro Y, Okazaki K, Murakami K, Matsubara H, Osaki K, Iwamoto Y, Nakashima Y. Anterolateral rotatory instability in vivo correlates tunnel position after anterior cruciate ligament reconstruction using bone-patellar tendon-bone graft. World J Orthop 2017; 8(12): 913-921 [PMID: 29312850 DOI: 10.5312/wjo.v8.i12.913]
Corresponding Author of This Article
Yasutaka Tashiro, MD, PhD, Department of Orthopaedic Surgery, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan. 11yasu@med.kyushu-u.ac.jp
Research Domain of This Article
Orthopedics
Article-Type of This Article
Retrospective Cohort Study
Open-Access Policy of This Article
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World J Orthop. Dec 18, 2017; 8(12): 913-921 Published online Dec 18, 2017. doi: 10.5312/wjo.v8.i12.913
Table 1 Baseline data of the two groups
TT group
TP group
Significance
n
20
30
Period of surgery
Apr 2009- Dec 2010
Aug 2010-Mar 2013
Age
29 ± 9
27 ± 9
NS
Height (cm)
171.3 ± 7.1
171.7 ± 6.0
NS
Weight (kg)
73.8 ± 6.9
75.5 ± 12.2
NS
Lysholm score
65 ± 11
63 ± 14
NS
Table 2 Tunnel positions of the femur and the tibia by postoperative computed tomography
TT technique (%)
TP technique (%)
Significance
Femur
Depth
34.0 ± 4.9
29.7 ± 4.9
P < 0.01
Height
30.3 ± 5.6
39.3 ± 7.3
P < 0.001
Tibia
Anterior-posterior
47.1 ± 7.5
42.0 ± 4.9
P < 0.05
Table 3 Clinical outcomes and knee stability parameters
TT technique
TP technique
Significance
Lysholm score
94 ± 7
95 ± 7
NS
KOOS subscale
Symptoms
89 ± 9
90 ± 12
NS
Pain
87 ± 7
89 ± 8
NS
ADL
92 ± 12
96 ± 10
NS
Sport/Rec
82 ± 14
84 ± 9
NS
QoL
78 ± 13
80 ± 11
NS
Re-injury (ipsilateral)
0
0
NS
Kneelax3
NS
Side-to-side diff. (mm)
1.5 ± 1.3
1.7 ± 1.6
MRI analysis
Anterolateral rotatory translation
Affected side (mm)
3.2 ± 1.6
2.0 ± 1.8
P < 0.05
Contra-lateral side (mm)
2.4 ± 1.6
2.5 ± 2.7
NS
Side-to-side diff. (mm) of
Anteromedial tibial translation
0.6 ± 0.8
1.4 ± 2.3
NS
Anterolateral tibial translation
1.4 ± 1.6
0.9 ± 1.9
NS
Table 4 Correlations between tunnel positions and knee stability
Femur
Tibia
Shallow (+)-Deep (-)
Low (+)-High (-)
Posterior (+)-Anterior (-)
Kneelax3
Corr (R)
0.27
-0.02
0.15
side-to-side differences
Significance
NS (P = 0.14)
NS
NS
MRI analysis
Anterolateral
Corr (R)
0.42
-0.13
0.12
rotatory translation
Significance
P < 0.01
NS
NS
Citation: Tashiro Y, Okazaki K, Murakami K, Matsubara H, Osaki K, Iwamoto Y, Nakashima Y. Anterolateral rotatory instability in vivo correlates tunnel position after anterior cruciate ligament reconstruction using bone-patellar tendon-bone graft. World J Orthop 2017; 8(12): 913-921