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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 277 - 277
1 Jul 2011
Mascarenhas R Tranovich M Kropf EJ Irrgang J Fu FH Harner CD
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Purpose: This study sought to examine return to sports in athletes younger than 25 following ACL reconstruction with either patellar tendon (PT) or hamstring (HS) autografts using a matched-pairs case-control experimental design.

Method: Twenty-three matched pairs were obtained based on gender (56.5% Female), age (18.3±2.5yrs PT vs.17.6±2.6 HS), and length of follow-up (4.7±2.1yrs PT vs. 4.2±1.6 HS). All patients reported participating in very strenuous (soccer, basketball etc.) or strenuous (skiing, tennis etc.) sporting activity 4–7 times/ week prior to their knee injury. Outcomes other than return to play included the IKDC, SAS, ADLS, SF-36, knee range of motion, laxity, and hop/jump testing.

Results: Most patients in both groups were able to participate in very strenuous or strenuous sporting activity at follow-up [18 (78.3%) PT vs. 19 (82.6%) HS]. However, only 13 (56.5%) of the patellar tendon subjects and 10 (43.5%) of the hamstrings patients were able to return to pre-injury activity levels in terms of frequency and type of sport (p=.63). Hamstrings patients showed higher ADLS (p< .01) and SAS (p< .01) scores and better restoration of extension (p< 0.05).

Conclusion: While autograft and allograft patellar tendon ACL reconstruction exhibit similar clinical outcomes in high-demand individuals, autogenous hamstring grafts may lead to better subjective outcomes in young patients who participate in very strenuous levels of activity. Both graft options only allowed approximately half of the injured athletes to return to their previous level of sporting activity.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 277 - 277
1 Jul 2011
Mascarenhas R Tranovich M Karpie J Irrgang J Fu FH Harner CD
Full Access

Purpose: This study sought to compare clinical outcomes and return to activity in high-demand patients following ACL reconstruction with either autograft or allograft patellar tendon using a matched-pairs case-control experimental design.

Method: Nineteen matched pairs were obtained based on gender (36.8 % female), age (27.9±8.1yrs autograft versus 28.1±9.1 allograft), and length of follow-up (9.1±2.7yrs autograft versus 10.3±2.6 allograft). All patients reported participating in very strenuous (soccer, basketball etc.) or strenuous (skiing, tennis etc.) sporting activity 4–7 times/ week prior to their knee injury. Patient-reported outcomes included the IKDC Subjective Knee Form, Activities of Daily Living (ADLS) and Sports Activity Scales (SAS) of the Knee Outcome Survey and SF-36. Range of motion, laxity, and functional strength were also assessed.

Results: There were no significant differences in patient-reported or clinical outcome measures. Sixteen (84.2%) subjects undergoing autograft reconstruction and 12 (63.2%) subjects reconstructed with allograft were able to participate in strenuous or very strenuous sporting activity at follow-up (p=.34). Similar percentages of subjects were able to return to their pre-injury level of sports activity [12 (63.2%) autograft vs. 11 (57.9%) allograft; p=1.0]. Fewer subjects undergoing reconstruction with autograft reported instability with very strenuous activity [5 (26.3%) autograft vs. 12 (63.2%) allograft], but this difference was not significant (p=.07).

Conclusion: While autograft and allograft patellar tendon ACL reconstruction exhibit similar clinical outcomes in high-demand individuals, autogenous patellar tendon grafts may be indicated to allow patients to return to very strenuous levels of activity.