With the rising number of anterior cruciate ligament (ACL) reconstructions performed, revision ACL reconstruction is increasingly common nowadays. A broad variety of primary and revision ACL reconstruction techniques have been described in the literature. Recurrent instability after primary ACL surgery is often due to non-anatomical ACL graft reconstruction and altered biomechanics. Anatomical reconstruction must be the primary goal of this challenging revision procedure. Recently, revision ACL reconstruction has been described using double bundle hamstring graft. Successful revision ACL reconstruction requires an exact understanding of the causes of failure and technical or diagnostic errors. The purpose of this article is to review the causes of failure, preoperative evaluation, graft selection and types of fixation, tunnel placement, various types of surgical techniques and clinical outcome of revision ACL reconstruction.

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Free vascularized fibular graft combined with allograft increases initial stability, allows early weight bearing, has higher chances of union and is a good single-stage technique of reconstruction of distal third femur defects.

Ganga Hospital Open Injury Score was found to be highly useful in decision making regarding salvage in IIIB injuries. The individual tissue scores were also useful to provide guidance regarding the timing and type of bone and soft tissue reconstruction.

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