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van Eijck SC, Vugts MMJ, Janssen RPA, Hoogendoorn I, Ito K, van der Steen MC. Wearable sensor systems measure differences in knee laxity between healthy and affected knees during dynamic exercise activities: A systematic review. J Exp Orthop 2024; 11:e12094. [PMID: 39055395 PMCID: PMC11269365 DOI: 10.1002/jeo2.12094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 06/03/2024] [Indexed: 07/27/2024] Open
Abstract
Purpose Knee laxity can be experienced as knee instability which may lead to a limitation in the activity of patients. Current methods to determine knee instability are performed in a static setting, which does not always correlate with dynamic knee laxity during activities. Wearables might be able to measure knee laxity in a dynamic setting and could be of added value in the diagnosis and treatment of excessive knee laxity. Therefore, the aim of this systematic review is to provide an overview of the wearables that have been developed and their ability to measure knee laxity during dynamic activities. Methods The PRISMA guidelines for systematic reviews were followed. A literature search was conducted in EMBASE, PubMed and Cochrane databases. Included studies assessed patients with knee instability using a non-invasive wearable sensor system during dynamic activity, with comparison to a reference system or healthy knees. Data extraction was performed by two authors via a predefined format. The risk of bias was assessed by The Dutch checklist for diagnostic tests. Results A total of 4734 articles were identified. Thirteen studies were included in the review. The studies showed a great variety of patients, sensor systems, reference tests, outcome measures and performed activities. Nine of the included studies were able to measure differences in patients with knee instability, all including a tri-axial accelerometer. Differences were not measurable in all parameters and activities in these studies. Conclusions Wearables, including at least a tri-axial accelerometer, seem promising for measuring dynamic knee laxity in the anterior-posterior and mediolateral direction. At this stage, it remains unclear if the measured outcomes completely reflect the knee instability that patients experience in daily life. Level of Evidence Level III.
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Affiliation(s)
- Sander C. van Eijck
- Department of Orthopedic Surgery & TraumaMáxima Medical CenterVeldhovenThe Netherlands
- Orthopedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyVeldhovenThe Netherlands
| | - Marly M. J. Vugts
- Department of Orthopedic Surgery & TraumaMáxima Medical CenterVeldhovenThe Netherlands
- Orthopedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyVeldhovenThe Netherlands
| | - Rob P. A. Janssen
- Department of Orthopedic Surgery & TraumaMáxima Medical CenterVeldhovenThe Netherlands
- Orthopedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyVeldhovenThe Netherlands
- Health, Innovations & Technology, Department of Paramedical SciencesFontys University of Applied SciencesEindhovenThe Netherlands
| | | | - Keita Ito
- Orthopedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyVeldhovenThe Netherlands
| | - Maria C. van der Steen
- Department of Orthopedic Surgery & TraumaMáxima Medical CenterVeldhovenThe Netherlands
- Department of Orthopedic Surgery & TraumaCatharina HospitalEindhovenThe Netherlands
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Yañez-Diaz R, Roby M, Silvestre R, Zamorano H, Vergara F, Sandoval C, Neira A, Yañez-Rojo C, De la Fuente C. Multiclass Support Vector Machine improves the Pivot-shift grading from Gerdy's acceleration resultant prior to the acute Anterior Cruciate Ligament surgery. Injury 2023:S0020-1383(23)00271-1. [PMID: 37003872 DOI: 10.1016/j.injury.2023.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/02/2023] [Accepted: 03/13/2023] [Indexed: 04/03/2023]
Abstract
INTRODUCTION Rotatory laxity acceleration still lacks objective classification due to interval grading superposition, resulting in a biased pivot shift grading prior to the Anterior Cruciate Ligament (ACL) reconstruction. However, data analysis might help improve data grading in the operative room. Therefore, we described the improvement of the pivot-shift categorization in Gerdy's acceleration under anesthesia prior to ACL surgery using a support vector machine (SVM) classification, surgeon, and literature reference. METHODS Seventy-five patients (aged 30.3 ± 10.2 years, and IKDC 52.0 ± 16.5 points) with acute ACL rupture under anesthesia prior to ACL surgery were analyzed. Patients were graded with pivot-shift sign glide (+), clunk (++), and (+++) gross by senior orthopedic surgeons. At the same time, the tri-axial tibial plateau acceleration was measured. Categorical data were statistically described, and the accelerometry and categorical data were associated (α = 5%). A multiclass SVM kernel with the best accuracy trained by orthopedic surgeons and assisted from literature for missing data was compared with experienced surgeons and literature interval grading. The cubic SVM classifier achieved the best grading. RESULTS The intra-group proportions were different for each grading in the three compared strategies (p < 0.001). The inter-group proportions were different for all comparisons (p < 0.001). There were significant (p < 0.001) associations (Tau: 0.69, -0.28, and -0.50) between the surgeon and SVM, the surgeon and interval grading, and the interval and SVM, respectively. CONCLUSION The multiclass SVM classifier improves the acceleration categorization of the (+), (++), and (+++) pivot shift sign prior to the ACL surgery in agreement with surgeon criteria.
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Affiliation(s)
- Roberto Yañez-Diaz
- Traumatologia, Clinica MEDS, Santiago, Chile; Centro de Innovación, Clinica MEDS, Santiago Chile
| | - Matías Roby
- Traumatologia, Clinica MEDS, Santiago, Chile; Centro de Innovación, Clinica MEDS, Santiago Chile
| | - Rony Silvestre
- Centro de Innovación, Clinica MEDS, Santiago Chile; Carrera de Kinesiologia, Departamento de Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | | | | | | | - Alejandro Neira
- Escuela de Kinesiologia, Facultad de Medicina y Ciencias de la Salud, Universidad Mayor, Santiago, Chile
| | | | - Carlos De la Fuente
- Centro de Innovación, Clinica MEDS, Santiago Chile; Carrera de Kinesiologia, Departamento de Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Catolica de Chile, Santiago, Chile; Applied Neuromechanics Research Group, Universidade Federal do Pampa, Uruguaiana, RS, Brazil.
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Godshaw BM, Hughes JD, Lucidi GA, Setliff J, Sansone M, Karlsson J, Musahl V. Posterior tibial plateau impaction fractures are not associated with increased knee instability: a quantitative pivot shift analysis. Knee Surg Sports Traumatol Arthrosc 2023:10.1007/s00167-023-07312-3. [PMID: 36633602 DOI: 10.1007/s00167-023-07312-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023]
Abstract
PURPOSE This study aimed to evaluate posterolateral tibial plateau impaction fractures and how they contribute to rotatory knee laxity using quantitative pivot shift analysis. It was hypothesised that neither the presence of nor the degree of involvement of the plateau would affect rotatory knee laxity in the ACL-deficient knee. METHODS A retrospective review of prospectively collected data on 284 patients with complete anterior cruciate ligament (ACL) injuries was conducted. Posterolateral tibial plateau impaction fractures were identified on preoperative MRI. The patients were divided into two cohorts: "fractures" or "no fractures". The cohort with fractures was further categorised based on fracture morphology: "extra-articular", "articular-impaction", or "displaced-articular fragment". All data were collected during examination under anaesthesia performed immediately prior to ACL reconstruction. This included a standard pivot shift test graded by the examiner and quantitative data including anterior tibial translation (mm) via Rolimeter, quantitative pivot shift (QPS) examination (mm) via PIVOT tablet technology, and acceleration (m/sec2) during the pivot shift test via accelerometer. Quantitative examinations were compared with the contralateral knee. RESULTS There were 112 patients with posterolateral tibial plateau impaction fractures (112/284, 39%). Of these, 71/112 (63%) were "extra-articular", 28/112 (25%) "articular-impaction", and 13/112 (12%) "displaced-articular". Regarding the two groups with or without fractures, there was no difference in subjective pivot shift (2 ± 0 vs 2 ± 0, respectively, n.s.), QPS (2.4 ± 1.6 mm vs 2.7 ± 2.2 mm, respectively, n.s.), anterior tibial translation measurements (6 ± 3 mm vs 5 ± 3 mm, respectively, n.s.), or acceleration of the knee during the pivot (1.7 ± 2.3 m/s2 vs 1.8 ± 3.1 m/s2, respectively, n.s.). When the fractures were further subdivided, subgroup analysis revealed no significant differences noted in any of the measured examinations between the fracture subtypes. CONCLUSION This study showed that the posterolateral tibial plateau impaction fractures are commonly encountered in the setting of ACL tears; however, contrary to previous reports, they do not significantly increase rotatory knee laxity. This suggests that this type of concomitant injury may not need to be addressed at the time of ACL reconstruction. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Brian M Godshaw
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
| | - Jonathan D Hughes
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Gian Andrea Lucidi
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
| | - Joshua Setliff
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
| | - Mikael Sansone
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jon Karlsson
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Volker Musahl
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA.
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4
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Hiramatsu K, Mae T, Mitsuoka T, Tachibana Y, Nakagawa S, Shino K. Anterior tibial loading on the calf enhances anterior tibial translation in the anterior cruciate ligament deficient knee in the anterior gravity radiographic view. Knee 2020; 27:1764-1771. [PMID: 33197815 DOI: 10.1016/j.knee.2020.09.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 08/17/2020] [Accepted: 09/15/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Lateral radiograph in the prone position with the knee flexed at 15° (anterior gravity view (AGV)) is useful as a screening for anterior cruciate ligament (ACL) injuries, while it is sometimes difficult to find the side-to-side difference (SSD) in anterior tibial translation. Thus, we applied a weight (three kilograms) around the lower leg to increase anterior tibial translation. We aimed to determine whether weight load confers an advantage in visualizing anterior knee laxity in ACL injuries. METHODS Fifty-eight patients with confirmed unilateral ACL tears from February 2012 to April 2014 had consented to participate in this study. Lateral radiographs for both knees were taken in AGV and in AGV with a three-kilogram weight load applied to the proximal lower leg. Then, the SSD of tibial position related to the femur was measured in these radiographs. RESULTS The SSD with the weight was significantly greater than that without the weight (5.9 ± 2.1 and 3.5 ± 1.6 mm, respectively, p < 0.01). The ratio of patients with SSD of three millimeters or more in AGV with the weight was also significantly larger than that without the weight (p < 0.01). CONCLUSIONS The anterior laxity in AGV with the three-kilogram weight is larger than that without the weight. Thus, the AGV with the weight could be one of the helpful radiographic technique for auxiliary diagnosis of ACL injury. Level of evidence Cohort study, Level IV.
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Affiliation(s)
- Kunihiko Hiramatsu
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2, Yamada-oka, Suita City, Osaka 565-0871, Japan; Department of Orthopaedic Surgery, Tamai Hospital, Han-nan City, Osaka, Japan.
| | - Tatsuo Mae
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2, Yamada-oka, Suita City, Osaka 565-0871, Japan
| | - Tomoki Mitsuoka
- Department of Orthopaedic Surgery, Yao Municipal Hospital, Yao City, Osaka, Japan
| | - Yuta Tachibana
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2, Yamada-oka, Suita City, Osaka 565-0871, Japan
| | - Shigeto Nakagawa
- Sports Orthopaedic Center, Yukioka Hospital, 2-2-3, Ukita, Kita-ku, Osaka City, Osaka, Japan
| | - Konsei Shino
- Sports Orthopaedic Center, Yukioka Hospital, 2-2-3, Ukita, Kita-ku, Osaka City, Osaka, Japan
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Svantesson E, Hamrin Senorski E, Webster KE, Karlsson J, Diermeier T, Rothrauff BB, Meredith SJ, Rauer T, Irrgang JJ, Spindler KP, Ma CB, Musahl V. Clinical outcomes after anterior cruciate ligament injury: Panther Symposium ACL Injury Clinical Outcomes Consensus Group. J ISAKOS 2020. [DOI: 10.1136/jisakos-2020-000494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Svantesson E, Hamrin Senorski E, Webster KE, Karlsson J, Diermeier T, Rothrauff BB, Meredith SJ, Rauer T, Irrgang JJ, Spindler KP, Ma CB, Musahl V, The Panther Symposium Acl Injury Clinical Outcomes Consensus Group, Fu FH, Ayeni OR, Della Villa F, Della Villa S, Dye S, Ferretti M, Getgood A, Järvelä T, Kaeding CC, Kuroda R, Lesniak B, Marx RG, Maletis GB, Pinczewski L, Ranawat A, Reider B, Seil R, van Eck C, Wolf BR, Yung P, Zaffagnini S, Hao Zheng M. Clinical Outcomes After Anterior Cruciate Ligament Injury: Panther Symposium ACL Injury Clinical Outcomes Consensus Group. Orthop J Sports Med 2020; 8:2325967120934751. [PMID: 32754624 PMCID: PMC7378729 DOI: 10.1177/2325967120934751] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 05/12/2020] [Indexed: 01/16/2023] Open
Abstract
A stringent outcome assessment is a key aspect of establishing evidence-based
clinical guidelines for anterior cruciate ligament (ACL) injury treatment. To
establish a standardized assessment of clinical outcome after ACL treatment, a
consensus meeting including a multidisciplinary group of ACL experts was held at
the ACL Consensus Meeting Panther Symposium, Pittsburgh, Pennsylvania, USA, in
June 2019. The aim was to establish a consensus on what data should be reported
when conducting an ACL outcome study, what specific outcome measurements should
be used, and at what follow-up time those outcomes should be assessed. The group
reached consensus on 9 statements by using a modified Delphi method. In general,
outcomes after ACL treatment can be divided into 4 robust categories: early
adverse events, patient-reported outcomes (PROs), ACL graft failure/recurrent
ligament disruption, and clinical measures of knee function and structure. A
comprehensive assessment after ACL treatment should aim to provide a complete
overview of the treatment result, optimally including the various aspects of
outcome categories. For most research questions, a minimum follow-up of 2 years
with an optimal follow-up rate of 80% is necessary to achieve a comprehensive
assessment. This should include clinical examination, any sustained reinjuries,
validated knee-specific PROs, and health-related quality of life questionnaires.
In the midterm to long-term follow-up, the presence of osteoarthritis should be
evaluated. This consensus paper provides practical guidelines for how the
aforementioned entities of outcomes should be reported and suggests the
preferred tools for a reliable and valid assessment of outcome after ACL
treatment.
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Affiliation(s)
- Eleonor Svantesson
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Eric Hamrin Senorski
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Kate E Webster
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Jón Karlsson
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Theresa Diermeier
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Benjamin B Rothrauff
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Sean J Meredith
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Thomas Rauer
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - James J Irrgang
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Kurt P Spindler
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - C Benjamin Ma
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Volker Musahl
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | | | - Freddie H Fu
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Olufemi R Ayeni
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Francesco Della Villa
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Stefano Della Villa
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Scott Dye
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Mario Ferretti
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Alan Getgood
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Timo Järvelä
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Christopher C Kaeding
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Ryosuke Kuroda
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Bryson Lesniak
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Robert G Marx
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Gregory B Maletis
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Leo Pinczewski
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Anil Ranawat
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Bruce Reider
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Romain Seil
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Carola van Eck
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Brian R Wolf
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Patrick Yung
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Stefano Zaffagnini
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
| | - Ming Hao Zheng
- Investigation performed at UPMC Freddie Fu Sports Medicine Center, Pittsburgh, Pennsylvania, USA
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Triaxial accelerometer evaluation is correlated with IKDC grade of pivot shift. Knee Surg Sports Traumatol Arthrosc 2020; 28:381-388. [PMID: 31201443 DOI: 10.1007/s00167-019-05563-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 06/07/2019] [Indexed: 02/07/2023]
Abstract
PURPOSE The purpose of this study was to evaluate the correlation between tibial acceleration parameters measured by the KiRA device and the clinical grade of pivot shift. The secondary objective was to report the risk factors for pre-operative high-grade pivot shift. METHODS Two-hundred and ninety-five ACL deficient patients were examined under anesthesia. The pivot shift tests were performed twice by an expert surgeon. Clinical grading was performed using the International Knee Documentation Committee (IKDC) scale and tibial acceleration data was recorded using a triaxial accelerometer system (KiRA). The difference in the tibial acceleration range between injured and contralateral limbs was used in the analysis. Correlation coefficients were calculated using linear regression. Multivariate logistic regression was used to identify risk factors for high grade pivot shift. RESULTS The clinical grade of pivot shift and the side-to-side difference in delta tibial acceleration determined by KiRA were significantly correlated (r = 0.57; 95% CI 0.513-0.658, p < 0.0001). The only risk factor identified to have a significant association with high grade pivot shift was an antero-posterior side to side laxity difference > 6 mm (OR = 2.070; 95% CI (1.259-3.405), p = 0.0042). CONCLUSION Side-to-side difference in tibial acceleration range, as measured by KiRA, is correlated with the IKDC pivot shift grade in anaesthetized patients. Side-to-side A-P laxity difference greater than 6 mm is reported as a newly defined risk factor for high grade pivot shift in the ACL injured knee. DIAGNOSTIC STUDY Level II.
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Clinical outcomes after anterior cruciate ligament injury: panther symposium ACL injury clinical outcomes consensus group. Knee Surg Sports Traumatol Arthrosc 2020; 28:2415-2434. [PMID: 32767052 PMCID: PMC7429530 DOI: 10.1007/s00167-020-06061-x] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 05/10/2020] [Indexed: 01/16/2023]
Abstract
PURPOSE A stringent outcome assessment is a key aspect for establishing evidence-based clinical guidelines for anterior cruciate ligament (ACL) injury treatment. The aim of this consensus statement was to establish what data should be reported when conducting an ACL outcome study, what specific outcome measurements should be used and at what follow-up time those outcomes should be assessed. METHODS To establish a standardized approach to assessment of clinical outcome after ACL treatment, a consensus meeting including a multidisciplinary group of ACL experts was held at the ACL Consensus Meeting Panther Symposium, Pittsburgh, PA; USA, in June 2019. The group reached consensus on nine statements by using a modified Delphi method. RESULTS In general, outcomes after ACL treatment can be divided into four robust categories-early adverse events, patient-reported outcomes, ACL graft failure/recurrent ligament disruption and clinical measures of knee function and structure. A comprehensive assessment following ACL treatment should aim to provide a complete overview of the treatment result, optimally including the various aspects of outcome categories. For most research questions, a minimum follow-up of 2 years with an optimal follow-up rate of 80% is necessary to achieve a comprehensive assessment. This should include clinical examination, any sustained re-injuries, validated knee-specific PROs and Health-Related Quality of Life questionnaires. In the mid- to long-term follow-up, the presence of osteoarthritis should be evaluated. CONCLUSION This consensus paper provides practical guidelines for how the aforementioned entities of outcomes should be reported and suggests the preferred tools for a reliable and valid assessment of outcome after ACL treatment. LEVEL OF EVIDENCE V.
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9
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Raggi F, Roberti di Sarsina T, Signorelli C, Marcheggiani Muccioli GM, Macchiarola L, Cucurnia I, Romagnoli M, Grassi A, Zaffagnini S. Triaxial accelerometer can quantify the Lachman test similarly to standard arthrometers. Knee Surg Sports Traumatol Arthrosc 2019; 27:2698-2703. [PMID: 30474693 DOI: 10.1007/s00167-018-5306-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 11/15/2018] [Indexed: 11/28/2022]
Abstract
PURPOSE 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. METHODS 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. RESULTS 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. CONCLUSION The KiRA (I+, Italy) device offers a valid method to quantify the Lacham test. LEVEL OF EVIDENCE II.
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Affiliation(s)
- Federico Raggi
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Via U. Foscolo 7, Bologna, BO, Italy
| | - Tommaso Roberti di Sarsina
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Via U. Foscolo 7, Bologna, BO, Italy
| | - Cecilia Signorelli
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy. .,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.
| | - Giulio Maria Marcheggiani Muccioli
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Via U. Foscolo 7, Bologna, BO, Italy
| | - Luca Macchiarola
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Via U. Foscolo 7, Bologna, BO, Italy
| | - Ilaria Cucurnia
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Via U. Foscolo 7, Bologna, BO, Italy
| | - Matteo Romagnoli
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy
| | - Alberto Grassi
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Via U. Foscolo 7, Bologna, BO, Italy
| | - Stefano Zaffagnini
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, BO, Italy.,Laboratorio di Biomeccanica e Innovazione Tecnologica, Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna, BO, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Via U. Foscolo 7, Bologna, BO, Italy
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10
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Naendrup JH, Zlotnicki JP, Murphy CI, Patel NK, Debski RE, Musahl V. Influence of knee position and examiner-induced motion on the kinematics of the pivot shift. J Exp Orthop 2019; 6:11. [PMID: 30888526 PMCID: PMC6424983 DOI: 10.1186/s40634-019-0183-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 03/07/2019] [Indexed: 11/10/2022] Open
Abstract
Background Grading of the pivot shift test varies significantly depending on the examiner’s technique. Thus, the purpose of this study was to determine the influence of knee starting position and the magnitude of motion during the reduction event on the magnitude of the pivot shift test. Methods Twenty-five clinical providers each performed a total of twenty pivot shift tests on one of two fresh-frozen cadaveric full lower extremity specimens with different grades of rotatory knee laxity. By means of ACL transection and lateral meniscectomy, one specimen was prepared to have a high-grade pivot shift and one to have a low-grade pivot shift. Six-degree-of-freedom kinematics were recorded during each pivot shift test using an electromagnetic-tracking-system. Successful pivot shift tests were defined and selected using an automated, mathematical algorithm based on the exceeding of a threshold value of anterior translation of the lateral knee compartment. The kinematics were correlated with the magnitude of anterior translation of the lateral knee compartment based on varying degrees of rotatory knee laxity using the Pearson correlation coefficient. Results Only mild correlations between anterior translation of the lateral knee compartment and internal tibial rotation at the start of the reduction event were observed in both specimens. The ability to generate a successful reduction event was significantly dependent on the rotatory knee laxity, with a 54% success rate on the high-laxity specimen compared to a 30% success rate on the low-laxity specimen (p < 0.001). Nearly 80% of the variability of the anterior translation of the lateral knee compartment in both specimens was accounted for by external rotation during the reduction event (r = 0.847; p < 0.001). Varus rotation during the reduction event also showed a strong correlation with the anterior translation of the lateral knee compartment in the low-laxity specimen (r = 0.835; p < 0.001). Conclusion Magnitude of motion during the reduction event affected the magnitude of anterior translation of the lateral knee compartment more than the starting position. External rotation during the reduction event accounted for most of the variability in the pivot shift test. More uniform maneuvers and improved teaching are essential to generate repeatable quantitative results of the pivot shift test.
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Affiliation(s)
- Jan-Hendrik Naendrup
- Department of Trauma and Orthopaedic Surgery, Cologne Merheim Medical Center, Witten/Herdecke University, Cologne, Germany.,Orthopaedic Robotics Laboratory, Department of Bioengineering and Department of Orthopaedic Surgery, University of Pittsburgh, Center for Bioengineering - CNBIO, 300 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Jason P Zlotnicki
- Orthopaedic Robotics Laboratory, Department of Bioengineering and Department of Orthopaedic Surgery, University of Pittsburgh, Center for Bioengineering - CNBIO, 300 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Conor I Murphy
- Orthopaedic Robotics Laboratory, Department of Bioengineering and Department of Orthopaedic Surgery, University of Pittsburgh, Center for Bioengineering - CNBIO, 300 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Neel K Patel
- Orthopaedic Robotics Laboratory, Department of Bioengineering and Department of Orthopaedic Surgery, University of Pittsburgh, Center for Bioengineering - CNBIO, 300 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Richard E Debski
- Orthopaedic Robotics Laboratory, Department of Bioengineering and Department of Orthopaedic Surgery, University of Pittsburgh, Center for Bioengineering - CNBIO, 300 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Volker Musahl
- Orthopaedic Robotics Laboratory, Department of Bioengineering and Department of Orthopaedic Surgery, University of Pittsburgh, Center for Bioengineering - CNBIO, 300 Technology Drive, Pittsburgh, PA, 15219, USA.
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11
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Dejour D, Pungitore M, Valluy J, Nover L, Saffarini M, Demey G. Preoperative laxity in ACL-deficient knees increases with posterior tibial slope and medial meniscal tears. Knee Surg Sports Traumatol Arthrosc 2019; 27:564-572. [PMID: 30269166 DOI: 10.1007/s00167-018-5180-3] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 09/20/2018] [Indexed: 01/26/2023]
Abstract
PURPOSE The aim of this study was to determine patient and anatomic factors that influence anteroposterior and rotational laxity in knees with ACL tears. Based on the findings of biomechanical studies, we hypothesized that static and dynamic anterior tibial translation (ATT) as well as positive pivot shift would increase with female gender, tibial slope, and meniscal tears. METHODS The authors prospectively collected preoperative data and intraoperative findings of 417 patients that underwent ACL reconstruction. The exclusion criteria were: revision ACL procedures (n = 53), other surgical antecedents (n = 27), prior osteotomies (n = 7) or concomitant ligament tears on the ipsilateral knee (n = 34), and history of ACL tears in the contralateral knee (n = 45), leaving a study cohort of 251 patients. Their preoperative anteroposterior knee laxity was assessed objectively using 'static' monopodal weight-bearing radiographs and 'dynamic' instrumented differential measurements of ATT. Rotational laxity was assessed subjectively using the pivot shift test. RESULTS Multivariable regression showed that static ATT increases only with tibial slope (β = 0.30; p < 0.001), but dynamic ATT increases with tibial slope (β = 0.19; p = 0.041), medial meniscal tears (β = 1.27; p = 0.007), complete ACL tears (β = 2.06; p < 0.001), and to decrease with age (β = - 0.09; p < 0.001). Multivariable regression also indicated that high-grade pivot shift decreases with age (OR 0.94; p < 0.001) and for women (OR 0.25; p < 0.001), and to be higher for knees with complete ACL tears (OR 3.04; p = 0.002) or medial meniscal tears (OR 2.28; p = 0.010). CONCLUSION Contrary to expectations based on biomechanical studies, static ATT was only affected by high posterior tibial slope, while dynamic ATT was affected by both high posterior tibial slopes and medial meniscal tears, but not by gender or lateral meniscal tears. Likewise, pivot shift was affected by gender and medial meniscal tears, but not lateral meniscal tears or posterior tibial slope. These findings are relevant to guide surgeons in optimizing their surgical procedures, such as conserving the menisci when possible, and rehabilitation protocols, by delaying full weight-bearing and return to sports in patients with anatomic and lesional risk factors. LEVEL OF EVIDENCE Cohort study, Level IV.
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Affiliation(s)
- David Dejour
- Lyon-Ortho-Clinic, Clinique de la Sauvegarde, 8 Avenue Ben Gourion, 69009, Lyon, France
| | - Marco Pungitore
- Lyon-Ortho-Clinic, Clinique de la Sauvegarde, 8 Avenue Ben Gourion, 69009, Lyon, France
| | - Jeremy Valluy
- ReSurg SA, Chemin de Vuarpilliere 35, 1260, Nyon, Switzerland
| | - Luca Nover
- ReSurg SA, Chemin de Vuarpilliere 35, 1260, Nyon, Switzerland
| | - Mo Saffarini
- ReSurg SA, Chemin de Vuarpilliere 35, 1260, Nyon, Switzerland.
| | - Guillaume Demey
- Lyon-Ortho-Clinic, Clinique de la Sauvegarde, 8 Avenue Ben Gourion, 69009, Lyon, France
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12
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Svantesson E, Hamrin Senorski E, Mårtensson J, Zaffagnini S, Kuroda R, Musahl V, Karlsson J, Samuelsson K. Static anteroposterior knee laxity tests are poorly correlated to quantitative pivot shift in the ACL-deficient knee: a prospective multicentre study. J ISAKOS 2018. [DOI: 10.1136/jisakos-2017-000196] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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