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| Name | Class |
|---|---|
| Acibadem University | OTHER |
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With the recent technological advancements, the use of the quadriceps tendon with an all-inside technique has come to the forefront, and large-scale research has focused especially on quadriceps tendon grafts. Clinical study results have reported that the outcomes are similar to those of patellar tendon grafts and either equivalent or superior to hamstring tendon grafts.
The aim of this study is the prospective comparison of the clinical and radiological outcomes of patients who underwent anterior cruciate ligament (ACL) reconstruction with autologous hamstring and quadriceps tendon grafts.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| All-inside Quadriceps Tendon Graft Group | Experimental |
| |
| All-inside Hamstring Tendon Graft Group | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Anterior Cruciate Ligament Reconstruction with Quadriceps Autograft | Procedure | The investigators will perform all-inside anterior cruciate ligament reconstruction using only the tendon portion of the quadriceps tendon (without bone fragments) in this group. |
| Measure | Description | Time Frame |
|---|---|---|
| Autograft Maturation | Comparison of different autografts maturation on MRI images. The signal-to-noise quotient formula will be used to assess graft maturation. According to the method described by Chan and Yau, the difference between the signals of the ACL graft and the quadriceps tendon will be used to evaluate maturation by relating it to the background signal. | 12 months |
| Stability of Knee | Pivot shift test | 9 months |
| Stability of Knee | laxity measuring with KT-1000 device | 9 months |
| Stability of Knee | Lachman test | 9 months |
| Measure | Description | Time Frame |
|---|---|---|
| Range of Motion | Measurement of knee flexion and extension degrees with a goniometer. | 6 months |
| Muscle Strength | Measurement of quadriceps and hamstring muscle strength with Cybex test |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Muzaffer Agir, MD | Contact | +905543060011 | muzafferagir@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Acibadem Fulya Hospital | Recruiting | Istanbul | 34394 | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 30790526 | Background | Mouarbes D, Menetrey J, Marot V, Courtot L, Berard E, Cavaignac E. Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-analysis of Outcomes for Quadriceps Tendon Autograft Versus Bone-Patellar Tendon-Bone and Hamstring-Tendon Autografts. Am J Sports Med. 2019 Dec;47(14):3531-3540. doi: 10.1177/0363546518825340. Epub 2019 Feb 21. | |
| 32345925 |
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The investigators do not plan to share de-identified individual participant data (IPD).
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There are two standard autografts used for ACL reconstruction in the investigators' clinic: quadriceps and hamstring autografts. Patients will be randomly assigned to groups based on the order of their hospital admission. It is planned to have at least 25 patients in each group.
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| Anterior Cruciate Ligament Reconstruction with Hamstring Autograft | Procedure | The investigators will perform all-inside anterior cruciate ligament reconstruction using the hamstring tendon as a graft in this group. |
|
| 9 months |
| Lin KM, Boyle C, Marom N, Marx RG. Graft Selection in Anterior Cruciate Ligament Reconstruction. Sports Med Arthrosc Rev. 2020 Jun;28(2):41-48. doi: 10.1097/JSA.0000000000000265. |
| 28273424 | Background | Cavaignac E, Coulin B, Tscholl P, Nik Mohd Fatmy N, Duthon V, Menetrey J. Is Quadriceps Tendon Autograft a Better Choice Than Hamstring Autograft for Anterior Cruciate Ligament Reconstruction? A Comparative Study With a Mean Follow-up of 3.6 Years. Am J Sports Med. 2017 May;45(6):1326-1332. doi: 10.1177/0363546516688665. Epub 2017 Mar 8. |
| 42293038 | Derived | Erden T, Agir M, Kayaalp ME, Toker B, Taser O. Prospective MRI-Based Comparison of Graft Maturation After ACL Reconstruction Using Quadriceps Versus Hamstring Tendon Autograft. Orthop J Sports Med. 2026 Jun 12;14(6):23259671261449148. doi: 10.1177/23259671261449148. eCollection 2026 Jun. |
| ID | Term |
|---|---|
| D000070598 | Anterior Cruciate Ligament Injuries |
| D001265 | Athletic Injuries |
| ID | Term |
|---|---|
| D007718 | Knee Injuries |
| D007869 | Leg Injuries |
| D014947 | Wounds and Injuries |
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| ID | Term |
|---|---|
| D059549 | Anterior Cruciate Ligament Reconstruction |
| ID | Term |
|---|---|
| D001178 | Arthroplasty |
| D019637 | Orthopedic Procedures |
| D013514 | Surgical Procedures, Operative |
| D019651 | Plastic Surgery Procedures |
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