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- Title
Triaxial accelerometer can quantify the Lachman test similarly to standard arthrometers.
- Authors
Signorelli, Cecilia; Romagnoli, Matteo; Raggi, Federico; Roberti di Sarsina, Tommaso; Marcheggiani Muccioli, Giulio Maria; Macchiarola, Luca; Cucurnia, Ilaria; Grassi, Alberto; Zaffagnini, Stefano
- Abstract
<bold>Purpose: </bold>To assess the relationship between the KiRA triaxial accelerometer and the KT-1000 measurements in the intact, anterior cruciate ligament (ACL) deficient, and ACL reconstructed knee joint for the quantification of the Lachman test. Moreover, the intra- and inter-examiner repeatability of the KiRA device will be determined. It was hypothesized that the side-to-side difference of the anterior tibial translation as measured by the KiRA device would be equivalent to the one measured by the KT-1000 during the Lachman test.<bold>Methods: </bold>Sixty patients were divided into three groups and have been prospectively included in the present study. Group_A composed of 20 patients with a diagnosis of an isolated ACL tear. Group_B composed of 20 patients who underwent ACL reconstruction with a Single-Bundle Lateral Plasty (SBLP) technique with at least 20 years of follow-up. Group_C was the control group and included 20 patients with no history of ACL lesion. Lachman test has been performed at manual-maximum load on both sides, the involved and the contralateral and analyzed with the two different devices.<bold>Results: </bold>The KiRA device in terms of side-to-side difference resulted not statistically different from the measurement of the KT-1000 arthrometer for the three study groups (n.s): Group_A: (4 ± 2 mm KiRA, 4 ± 2 mm KT1000), Group_B: (4 ± 2 mm KiRA, 4 ± 2 mm KT-1000), Group_C: (4 ± 2 mm KiRA, 4 ± 2 mm KT-1000), an excellent intra- (ICC = 0.88-0.89) and inter-examiner (ICC = 0.79) agreement was found for KiRA measurements.<bold>Conclusion: </bold>The KiRA (I+, Italy) device offers a valid method to quantify the Lacham test.<bold>Level Of Evidence: </bold>II.
- Subjects
ANTERIOR cruciate ligament; QUANTITATIVE research; WOUNDS &; injuries; JOINT hypermobility; LACHMAN test
- Publication
Knee Surgery, Sports Traumatology, Arthroscopy, 2019, Vol 27, Issue 8, p2698
- ISSN
0942-2056
- Publication type
journal article
- DOI
10.1007/s00167-018-5306-7