Failure Rate of Achilles Tendon Allograft in Primary Anterior Cruciate Ligament Reconstruction

Anup Ajit Shah, Patrick McCulloch, Walter Richard Lowe

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

Purpose: This study was performed to determine the failure rate of patients undergoing primary anterior cruciate ligament (ACL) reconstruction with an Achilles tendon allograft by a single surgeon with the same surgical technique, graft fixation, and postoperative rehabilitation. The Achilles tendon allograft was obtained from a single source. Methods: Of 158 patients who underwent primary ACL reconstruction with Achilles tendon allograft, 144 were followed up at a mean of 40 months. The mean age was 29.5 years at the time of surgery. Evaluation included a questionnaire at serial follow-up visits, physical examination, and return to play. Results: Of 144 patients, 8 (5.6%) sustained traumatic reruptures or had evidence of laxity failure. Patients were divided into 4 age groups: less than 18 years, 18 to 25 years, 26 to 40 years, and 41 years or greater. Failure rates of 8.7%, 8.8%, 5.7%, and 0%, respectively, were found. A χ2 contingency test was performed comparing patients aged 25 years or younger and those aged over 25 years with a resulting P value of .5811. No statistically significant difference between the groups of failures was seen. Conclusions: The results of our study show that the failure rate for freeze-dried Achilles tendon allograft in primary ACL reconstruction was 8 of 144 (5.6%). When these patients were followed up for a minimum of 24 months, we found failure rates of 8.7%, 8.8%, 5.7%, and 0% in those aged less than 18 years, 18 to 25 years, 26 to 40 years, and 41 years or older, respectively. No statistically significant difference between the groups of failures was seen. Level of Evidence: Level IV, case series.

Original languageEnglish (US)
Pages (from-to)667-674
Number of pages8
JournalArthroscopy - Journal of Arthroscopic and Related Surgery
Volume26
Issue number5
DOIs
StatePublished - May 1 2010

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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