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The menisci are crucial for knee stability and functionality. Composed of fibrocartilaginous structure, they have an anatomical and biomechanical arrangement that makes them essential for load transmission and the prevention of osteoarthritis. Meniscal root lesions, known as "ROOT tears," compromise their protective function on the cartilage, leading to increased contact pressures between the tibia and femur and, over time, the development of osteoarthritis. Early diagnosis of these lesions is difficult and often the first detection is incidental. The subsequent challenges are significant due to a lack of pre-operative planning. A possible solution is a surgical technique involving arthroscopic suture of the posterior meniscal root along with the posterior cruciate ligament. This procedure does not require pre-operative planning and is applicable even in cases of incidental diagnosis.
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| Measure | Description | Time Frame |
|---|---|---|
| RMN | The 3 Tesla MRI is the diagnostic test of choice used in common clinical practice to evaluate the healing of these lesions at 1 and 2 years of follow-up. The measured parameter is meniscal extrusion. The measurement is taken in millimeters at the coronal sections visualizing the medial collateral ligament, from the capsular margin of the body to the outer profile of the tibial plateau. The "ghost sign" and tibial plateau edema will also be looked for. The main limitation of MRI is related to the fact that it is performed non-weight-bearing, with the patient in a supine position. | 24 months after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Weight-bearing ultrasound | Weight-bearing ultrasound is a method not commonly used in clinical practice but extremely useful in evaluating meniscal extrusion under conditions close to physiology. The measurement is performed in a static position with the patient standing upright with full weight-bearing. Once again, meniscal extrusion is measured in millimeters in the coronal sections visualizing the medial collateral ligament, from the capsular margin of the body to the outer profile of the tibial plateau. The strength of this method lies in its ability to replicate the biomechanical stress phenomena affecting the menisci during common daily activities, with the potential to detect lesions that would otherwise remain silent in a non-weight-bearing MRI. |
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Patients will be recruited among all subjects with "ROOT" type meniscal lesions treated surgically with arthroscopic suturing to the posterior cruciate ligament (ROOT-PCL) from 1/1/2021 to 31/12/2025 at the Rizzoli Orthopedic Institute.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Stefano Zaffagnini | Contact | 0516366075 | stefano.zaffagnini@ior.it |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| IRCCS Istituto Ortopedico Rizzoli | Recruiting | Bologna | 40136 | Italy |
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| ID | Term |
|---|---|
| D007718 | Knee Injuries |
| ID | Term |
|---|---|
| D007869 | Leg Injuries |
| D014947 | Wounds and Injuries |
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| 24 months after surgery |
| Physical examination | A comprehensive assessment will include palpation to identify classic tender points related to meniscal pathology at the anterior, middle, and posterior joint lines. The presence of pain and the patient's overall health status will then be noted. | 24 months after surgery |
| International Knee Documentation Committee (IKDC) | The IKDC form evaluates knee function subjectively across three domains: Symptoms (including pain, stiffness, swelling, and locking), Sports and daily activities, and Current knee function compared to before injury. It consists of 10 questions focusing on symptoms, sports participation, daily activity difficulties, and current knee function. Scores range from 0 to 100, with higher scores indicating better knee health: excellent (80-100), good (60-80), fair (30-60), and poor (0-30). | 24 months after surgery |
| Lysholm Knee Score | It's a validated measurement scale that assesses knee functionality through 8 items, allowing to establish the knee's condition in relation to the functional demands of daily life activities. This assessment tool is used to evaluate surgical outcomes in patients who have undergone knee ligamentous or meniscal injuries. The final score is derived from the sum of various scores obtained across different items, ranging from 0 to 100. Scores are categorized into subgroups: Excellent (95-100); Good (84-94); Fair (65-83); Poor (<64). | 24 months after surgery |
| VAS (Visual Analog Scale) | It is a quantitative one-dimensional numerical scale for pain assessment with 10 points; the scale requires the patient to select the number that best describes the intensity of their pain from 0 to 10 at that specific moment. 0 indicates no pain, while 10 indicates the worst possible pain. | 24 months after surgery |
| Tegner Score | It allows estimation of the level of motor activity of a subject with a score ranging from 0 to 10, where 0 represents 'disability' and 10 represents 'participation in competitive sports such as national or international-level soccer'. This score is widely used to define the level of motor activity in patients with knee disorders. In the study, the Tegner Score will be completed directly by the investigator through an interview with the patient. | 24 months after surgery |