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- Title
A comparative analysis of arthroscopic double-bundle versus single-bundle posterior cruciate ligament reconstruction using hamstring tendon autograft.
- Authors
Jain, Vineet; Goyal, Ankit; Mohindra, Mukul; Kumar, Rahul; Joshi, Deepak; Chaudhary, Deepak
- Abstract
<bold>Purpose: </bold>Anatomically, posterior cruciate ligament (PCL) consists of two bundles, i.e. anterolateral (AL) and posteromedial (PM) bundle. Single-bundle PCL (SBPCL) reconstruction remains most popular method of reconstruction, though double-bundle PCL (DBPCL) reconstruction is more anatomical. This study was done to analyse the clinical and functional outcome after both SBPCL and DBPCL reconstructions using autologous hamstring grafts. <bold>Methods: </bold>This was a retrospective study including patients who underwent either DBPCL or SBPCL reconstruction for chronic symptomatic PCL injury. Clinical, functional and radiological evaluation was done pre-operatively and 3 months post-operatively and thereafter at every 6-month interval. Patients with a minimum follow-up of 24 months were included in the study. Pre-operative posterior translation was quantified by manual posterior drawer, KT 1000 measurement and stress radiography. Functional outcome was done using Lysholm and IKDC scores. MRI was done in all patients. <bold>Results: </bold>Records of 40 patients were available with minimum follow-up of 24 months. Out of these, DBPCL reconstruction was done in 18 patients and SBPCL reconstruction was done in 22 patients. Four patients in DB (double-bundle PCL reconstruction) group and five in SB (single-bundle PCL reconstruction) group had more than grade I laxity by posterior drawer and on KT 1000 measurement DB group had average side-to-side difference of 1.78 mm and SB group 2.44 mm (p value = 0.0487). On functional assessment by Lysholm and IKDC score, there was significant improvement from pre-operative values in both the groups with no significant difference between the groups post-operatively. Stress radiography revealed significantly less post-translation in DB group as compared to SB group. <bold>Conclusion: </bold>Though DBPCL reconstruction results in less posterior laxity, there is no difference in functional outcome of SBPCL and DBPCL reconstructions. <bold>Level Of Evidence: </bold>III.
- Subjects
POSTERIOR cruciate ligament; ANTERIOR cruciate ligament; AUTOGRAFTS; STRESS radiography; RADIOSCOPIC diagnosis; DIAGNOSIS of knee injuries; POSTERIOR cruciate ligament surgery; ARTHROSCOPY; COMPARATIVE studies; KNEE injuries; RESEARCH methodology; MEDICAL cooperation; QUESTIONNAIRES; RESEARCH; EVALUATION research; RETROSPECTIVE studies
- Publication
Archives of Orthopaedic & Trauma Surgery, 2016, Vol 136, Issue 11, p1555
- ISSN
0936-8051
- Publication type
journal article
- DOI
10.1007/s00402-016-2512-y