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Validity of GNRB arthrometer Compared To Telos in the assessment of partial anterior cruciate ligament tears
The main goal of this study Was to compare the results of the GNRB ├ĺ arthrometer To Those of Telos TMin the diagnosis of partial thickness tears of the anterior cru- ciate ligament (ACL).
Methods A prospective study Performed January- December 2011 included all patients presenting with a partial or full-thickness tears ACL without ACL recon- struction and with a healthy contralateral knee. Anterior laxity Was Measured in all patients by the Telos TM and GNRB ├ĺ devices. This series included 139 patients, mean age 30.7 ┬▒9.3 years. Arthroscopic reconstruction Was Performed in 109 patients, 97 for full tears and 12 single bundle reconstructions for partial thickness tears. Conservative treatment Was Proposed in 30 patients with a partial thickness tear. The correlation entre les two devices Was Evaluated by the Spearman coefficient. The optimal laxity Thresholds Were Determined with ROC curves, and the diagnostic value of the tests Was Assessed by the area under the curve (AUC).
Results The differential laxities of full and partial thick- ness tears Were Significantly different with the two tests. The results of correlation entre les laxity measurement with the two devices was fair, with The Strongest correlation entre TelosTM 250 N and 250 N GNRB ├ĺ (r = 0.46, p = 0.00001). Evaluation of the AUC Showed que la informative value of all tests was fair with the best results with the GNRB ├ĺ250 N: AUC = 0.89 [95% CI 0.83-0.94]. The optimal differential laxity threshold with theGNRB ├ĺ Nwas2.5 250 mm (Se = 84%, Sp = 81%). Conclusion The diagnostic value of ├ĺ GNRBTelos was better than TM for partial thickness tears ACL.
Level of evidence Diagnostic study, Level II. Keywords Anterior cruciate ligament GNRB ├ĺ
Partial ACL tear
Isolated ruptures of the anterior cruciate ligament (ACL) injuries are the most frequent ligament of the knee. These breaks may be complete or partial. In partial tears, clinical diagnosis is more difficult because the clinical presentation is variable. The diagnosis, evolution in time and treatment its partial tears are still subject to much controversy. The purpose of this article is to clarify the definitions, clinical diagnosis and therapeutic strategies to these partial ACL tears. (read more ...)
Women have four to eight times more likely than men to have a ruptured anterior cruciate ligament (ACL). This risk seems more important during the pre-ovulatory phase of the menstrual cycle than during the post-ovulatory phase. The main objective of the study was to describe the distribution of ACL injuries during the menstrual cycle in a large recreational skiers population.
The main goal of this study Was to compare the results of the GNRB arthrometer To Those of Telos TM in the diagnosis of partial thickness tears of the anterior cru- ciate ligament (ACL). A prospective study Performed January- December 2011 included all patients presenting with a partial or full-thickness tears ACL without ACL recon- struction and with a healthy contralateral knee. Anterior laxity Was Measured in all patients by the Telos TM and GNRB├ĺ devices.
It is necessary to distinguish:
- The fracture lesions which are always found with certainty notion traumatic (new or old)
- Chronic lesions with onset of osteonecrosis subchondral more or less extensive, described in the literature under different terminologies (osteochondrosis, osteochondritis, osteonecrosis).
This distinction seems to us essential because etiology, radiographic appearance, treatment and prognosis of such lesions are sometimes totally different.