Research Article
Postoperative Magnetic Resonance Imaging following Arthroscopic Primary Anterior Cruciate Ligament Repair
Table 2
Baseline characteristics of all patients in this study cohort and the reasons for the postoperative MRI.
| | Baseline characteristics | | Number of patients (MRIs) | 36 (37) | | Male patients | 20 (57%) | | Right side | 21 (60%) | | Age (years; mean ± SD (range)) | 30 ± 12 (range 14–57) | | BMI (kg/m2; mean ± SD (range)) | 25 ± 4 (range 18–35) | | Time from surgery to MRI (years; mean ± SD (range)) | 1.5 ± 1.1 (range 0.1–4.9) |
| | Reasons for postoperative MRI | | Knee pain without trauma (n (%)) | 12 (32%) | | Trauma with high suspicion for ACL re-injury (n (%)) | 9 (24%) | | Evaluate ligament healing (n (%)) | 8 (22%) | | Trauma with low suspicion for ACL re-injury (n (%)) | 4 (11%) | | Superficial tenderness over suture anchor (n (%)) | 2 (5%) | | Evaluate meniscal (root) repair (n (%)) | 2 (5%) |
| | Postoperative MRI | | Unstable clinic examination (re-injury) | 8 (22%) | | Stable clinical examination (no re-injury) | 29 (78%) | | Within 1 year after primary repair | 11 (38%) | | Between 1 and 2 years after primary repair | 10 (34%) | | More than 2 years after primary repair | 8 (28%) |
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MRI, magnetic resonance imaging; SD, standard deviation; BMI, body mass index; n, number.
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