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Difficult Recruiting. Too few patients.
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Study population The investigator set the sample size to 200 patients.
Primary outcome
However, there is no evidence that ACL reconstruction can actually prevent the development of knee osteoarthritis. However, concomitant meniscal injuries, either at the time of the ACL injury or secondary to the ACL injury, significantly increase the risk of secondary knee osteoarthritis. Therefore, the treatment strategy for ACL injuries is strongly influenced by the presence of concomitant meniscal injuries on initial magnetic resonance imaging (MRI).
To achieve higher spatial resolution and faster image acquisition, there is a clear trend toward higher field strength MRI.
Meniscal injuries repeatedly occur during the course after isolated ACL ruptures, and the question is whether these injuries occurred during the original trauma or as a result of the torn ACL.
Therefore, the primary objective of the current study was to evaluate the potential utility of ultrahigh-field MRI (T7) in detecting occult meniscal tears or cartilage injuries associated with presumed isolated acute ACL injuries compared with high-field MRI (T3 or less). The secondary objective was to evaluate the influence of meniscal tear location and meniscal tear pattern on the sensitivity of high-field MRI compared with ultrahigh-field MRI in detecting meniscal tears. Subsequently, different orthopedic surgeons and radiologists will evaluate the images.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Isolated Acute Anterior Cruciate Ligament Injury with Ultrahigh Field MRI at 7T | Other |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ultrahigh Field MRI at 7T | Device | Assessment of the micro-anatomy of the menisci and cartilage in patients with presumed Isolated Acute Anterior Cruciate Ligament Injury with Ultrahigh Field MRI at 7T |
| Measure | Description | Time Frame |
|---|---|---|
| Frequency of occoult meniscus lesions detected in UHF-MRI | The Menisci are assessed at 6 possible locations in the knee and Meniscal alterations at different locations in the same patient cannot necessarily be considered as independent observations. Therefore, a summary analysis over all 6 possible locations will be conducted to avoid unnecessary multiple testing in separate analyses. | 12 month |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Sandro Fucentese, Prof.Dr.med. | Balgrist University Hospital | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Balgrist University Hospital | Zurich | 8008 | Switzerland |
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| ID | Term |
|---|---|
| D000070598 | Anterior Cruciate Ligament Injuries |
| ID | Term |
|---|---|
| D007718 | Knee Injuries |
| D007869 | Leg Injuries |
| D014947 | Wounds and Injuries |
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