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  • 1
    Online Resource
    Online Resource
    Delayed gadolinium-enhanced MRI of the meniscus (dGEMRIM) in patients with knee osteoarthritis: relation with meniscal degeneration on conventional MRI, reproducibility, and correlation with dGEMRIC
    Springer Science and Business Media LLC ; 2014
    In:  European Radiology Vol. 24, No. 9 ( 2014-9), p. 2261-2270
    Details
    In: European Radiology, Springer Science and Business Media LLC, Vol. 24, No. 9 ( 2014-9), p. 2261-2270
    Type of Medium: Online Resource
    ISSN: 0938-7994 , 1432-1084
    URL: Article
    DOI: 10.1007/s00330-014-3204-z
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2014
    detail.hit.zdb_id: 1472718-3
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  • 2
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    Posteriorly positioned femoral grafts decrease long-term failure in anterior cruciate ligament reconstruction, femoral and tibial graft positions did not affect long-term reported outcome
    Springer Science and Business Media LLC ; 2022
    In:  Knee Surgery, Sports Traumatology, Arthroscopy Vol. 30, No. 6 ( 2022-06), p. 2003-2013
    Details
    In: Knee Surgery, Sports Traumatology, Arthroscopy, Springer Science and Business Media LLC, Vol. 30, No. 6 ( 2022-06), p. 2003-2013
    Abstract: To investigate the effect that femoral and tibial tunnel positions have on long-term reported and clinical outcome and to identify a safe zone based on favourable outcome. Methods Seventy-eight patients from a previous randomised controlled trial were included and were followed with a mean follow-up of 11.4 years. All patients had primary trans-tibial anterior cruciate ligament reconstruction performed. The femoral and tibial tunnel positions were visualised and translated in percentages with three-dimensional computed tomography post-operatively. There were 3 separate outcome variables: patient-reported outcome measured with the IKDC Subjective Knee Form, overall failure, and radiographic osteoarthritis. The correlation between tunnel aperture positions and outcome was determined with multivariate regression. The area with best outcome was defined as the safe zone and was determined with Youden’s index in conjunction with receiver operating characteristics. Results No significant relationship was found between tunnel aperture positions and IKDC Subjective Knee Form at 10-year follow-up. The posterior-to-anterior femoral tunnel aperture position parallel to Blumensaat line showed a significant relationship ( p  = 0.03) to overall failure at 10-year follow-up. The mean posterior-to-anterior tunnel position of the group that did not fail was 37.7% compared to 44.1% in the overall failure group. Femoral tunnel apertures placed further anteriorly had more overall failures at long-term. The cut-off point lies at 35.0% from posterior-to-anterior parallel to Blumensaat. Of the 16 overall failures, 15 (93.8%) were placed further anteriorly than the cut-off point. No significant relationship was found between tunnel aperture positions and radiographic osteoarthritis. Conclusion Femoral and tibial tunnel positions were not associated with long-term patient-reported outcome and radiographic osteoarthritis. Long-term overall failure was more frequently seen in patients with a more anteriorly placed femoral tunnel. This study identified a safe zone located at the most posterior 35% of the femoral condyle parallel to Blumensaat. This knowledge offers guidance to surgeons to operate more precisely and accurately and reconstruct a long-lasting graft. Level of evidence Level III.
    Type of Medium: Online Resource
    ISSN: 0942-2056 , 1433-7347
    URL: Article
    DOI: 10.1007/s00167-022-06871-1
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 1473170-8
    SSG: 31
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  • 3
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    Possibility of quantitative T2‐mapping MRI of cartilage near metal in high tibial osteotomy: A human cadaver study
    Wiley ; 2018
    In:  Journal of Orthopaedic Research Vol. 36, No. 4 ( 2018-04), p. 1206-1212
    Details
    In: Journal of Orthopaedic Research, Wiley, Vol. 36, No. 4 ( 2018-04), p. 1206-1212
    Abstract: T2‐mapping is a widely used quantitative MRI technique in osteoarthritis research. An important challenge for its application in the context of high tibial osteotomy (HTO) is the presence of metallic fixation devices. In this study, we evaluated the possibility of performing T2‐mapping after a HTO, by assessing the extent of magnetic susceptibility artifacts and the influence on T2 relaxation times caused by two commonly used fixation devices. T2‐mapping with a 3D fast spin‐echo sequence at three Tesla was performed on 11 human cadaveric knee joints before and after implantation of a titanium plate and screws ( n  = 5) or cobalt chrome staples ( n  = 6). Mean T2 relaxation times were calculated in six cartilage regions, located in the distal and posterior cartilage of femoral condyles and the cartilage of tibial plateaus, both medially and laterally. T2 relaxation times before and after the implantation were compared with paired t ‐tests and Wilcoxon rank tests. Due to the extent of the magnetic susceptibility artifact, it was not possible to segment the knee cartilage and thus calculate T2 relaxation times in the lateral weight‐bearing femoral and tibial cartilage regions only in the cobalt chrome group. In all cartilage regions of the titanium implanted knees and those unaffected by artifacts due to cobalt chrome implants, T2 relaxation times did not significantly differ between the two scans. Our results suggest that accurate T2‐mapping after a HTO procedure is possible in all areas after implantation of a titanium fixation device and in most areas after implantation of a cobalt chrome fixation device. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1206–1212, 2018.
    Type of Medium: Online Resource
    ISSN: 0736-0266 , 1554-527X
    URL: Issue
    URL: Article
    DOI: 10.1002/jorr.v36.4
    DOI: 10.1002/jor.23729
    Language: English
    Publisher: Wiley
    Publication Date: 2018
    detail.hit.zdb_id: 2050452-4
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  • 4
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    Computer-Assisted Surgery Is Not More Accurate or Precise Than Conventional Arthroscopic ACL Reconstruction : A Prospective Randomized Clinical Trial
    Ovid Technologies (Wolters Kluwer Health) ; 2012
    In:  Journal of Bone and Joint Surgery Vol. 94, No. 17 ( 2012-9-5), p. 1538-1545
    Details
    In: Journal of Bone and Joint Surgery, Ovid Technologies (Wolters Kluwer Health), Vol. 94, No. 17 ( 2012-9-5), p. 1538-1545
    Type of Medium: Online Resource
    ISSN: 0021-9355 , 1535-1386
    URL: Article
    DOI: 10.2106/JBJS.K.00878
    RVK:
    XA 52200.A
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2012
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  • 5
    Online Resource
    Online Resource
    The effect of high tibial osteotomy on the results of total knee arthroplasty: a matched case control study
    Springer Science and Business Media LLC ; 2007
    In:  BMC Musculoskeletal Disorders Vol. 8, No. 1 ( 2007-12)
    Details
    In: BMC Musculoskeletal Disorders, Springer Science and Business Media LLC, Vol. 8, No. 1 ( 2007-12)
    Type of Medium: Online Resource
    ISSN: 1471-2474
    URL: Article
    DOI: 10.1186/1471-2474-8-74
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2007
    detail.hit.zdb_id: 2041355-5
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  • 6
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    Online Resource
    The CAST study protocol: a cluster randomized trial assessing the effect of circumferential casting versus plaster splinting on fracture redisplacement in reduced distal radius fractures in adults
    Springer Science and Business Media LLC ; 2021
    In:  BMC Musculoskeletal Disorders Vol. 22, No. 1 ( 2021-12)
    Details
    In: BMC Musculoskeletal Disorders, Springer Science and Business Media LLC, Vol. 22, No. 1 ( 2021-12)
    Abstract: There is no consensus concerning the optimal casting technique for displaced distal radius fractures (DRFs) following closed reduction. This study evaluates whether a splint or a circumferential cast is most optimal to prevent fracture redisplacement in adult patients with a reduced DRF. Additionally, the cost-effectiveness of both cast types will be calculated. Methods/design This multicenter cluster randomized controlled trial will compare initial immobilization with a circumferential below-elbow cast versus a below-elbow plaster splint in reduced DRFs. Randomization will take place on hospital-level (cluster, n  = 10) with a cross-over point halfway the inclusion of the needed number of patients per hospital. Inclusion criteria comprise adult patients (≥ 18 years) with a primary displaced DRF which is treated conservatively after closed reduction. Multiple trauma patients (Injury Severity Score ≥ 16), concomitant ulnar fractures (except styloid process fractures) and patients with concomitant injury on the ipsilateral arm or inability to complete study forms will be excluded. Primary study outcome is fracture redisplacement of the initial reduced DRF. Secondary outcomes are patient-reported outcomes assessed with the Disability Arm Shoulder Hand score (DASH) and Patient-Rated Wrist Evaluation score (PRWE), comfort of the cast, quality of life assessed with the EQ-5D-5L questionnaire, analgesics use, cost-effectiveness and (serious) adverse events occurence. In total, 560 patients will be included and followed for 1 year. The estimated time required for inclusion will be 18 months. Discussion The CAST study will provide evidence whether the type of cast immobilization is of influence on fracture redisplacement in distal radius fractures. Extensive follow-up during one year concerning radiographic, functional and patient reported outcomes will give a broad view on DRF recovery. Trial registration Registered in the Dutch Trial Registry on January 14th 2020. Registration number: NL8311 .
    Type of Medium: Online Resource
    ISSN: 1471-2474
    URL: Article
    DOI: 10.1186/s12891-021-04238-0
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2041355-5
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  • 7
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    Online Resource
    The effectiveness of high molecular weight hyaluronic acid for knee osteoarthritis in patients in the working age: a randomised controlled trial
    Springer Science and Business Media LLC ; 2019
    In:  BMC Musculoskeletal Disorders Vol. 20, No. 1 ( 2019-12)
    Details
    In: BMC Musculoskeletal Disorders, Springer Science and Business Media LLC, Vol. 20, No. 1 ( 2019-12)
    Type of Medium: Online Resource
    ISSN: 1471-2474
    URL: Article
    DOI: 10.1186/s12891-019-2546-8
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2019
    detail.hit.zdb_id: 2041355-5
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  • 8
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    Study protocol ROTATE-trial: anterior cruciate ligament rupture, the influence of a treatment algorithm and shared decision making on clinical outcome– a cluster randomized controlled trial
    Springer Science and Business Media LLC ; 2022
    In:  BMC Musculoskeletal Disorders Vol. 23, No. 1 ( 2022-12)
    Details
    In: BMC Musculoskeletal Disorders, Springer Science and Business Media LLC, Vol. 23, No. 1 ( 2022-12)
    Abstract: Anterior cruciate ligament (ACL) rupture is a very common knee injury in the sport active population. There is much debate on which treatment (operative or non-operative) is best for the individual patient. In order to give a more personalized recommendation we aim to evaluate the effectiveness and cost-effectiveness of a treatment algorithm for patients with a complete primary ACL rupture. Methods The ROTATE-trial is a multicenter, open-labeled cluster randomized controlled trial with superiority design. Randomization will take place on hospital level ( n  = 10). Patients must meet all the following criteria: aged 18 year or older, with a complete primary ACL rupture (confirmed by MRI and physical examination) and maximum of 6 weeks of non-operative treatment. Exclusion criteria consists of multi ligament trauma indicated for surgical intervention, presence of another disorder that affects the activity level of the lower limb, pregnancy, and insufficient command of the Dutch language. The intervention to be investigated will be an adjusted treatment decision strategy, including an advice from our treatment algorithm. Patient reported outcomes will be conducted at baseline, 3, 6, 12 and 24 months. Physical examination of the knee at baseline, 12 and 24 months. Primary outcome will be function of the knee measured by the International Knee Documentation Committee (IKDC) questionnaire. Secondary outcomes are, among others, the Tegner activity score, the Knee injury and Osteoarthritis Outcome Score (KOOS) and the 9-item Shared Decision Making Questionnaire (SDM-Q-9). Healthcare use, productivity and satisfaction with ((non-)operative) care are also measured by means of questionnaires. In total 230 patients will be included, resulting in 23 patients per hospital. Discussion The ROTATE study aims to evaluate the effectiveness and cost-effectiveness of a treatment algorithm for patients with a complete primary ACL rupture compared to current used treatment strategy. Using a treatment algorithm might give the much-wanted personalized treatment recommendation. Trial registration This study is approved by the Medical Research Ethics Committee of Erasmus Medical Center in Rotterdam and prospectively registered at the Dutch Trial Registry on May 13th, 2020. Registration number: NL8637.
    Type of Medium: Online Resource
    ISSN: 1471-2474
    URL: Article
    DOI: 10.1186/s12891-021-04867-5
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
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  • 9
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    Diagnostic values of history taking, physical examination and KT-1000 arthrometer for suspect anterior cruciate ligament injuries in children and adolescents: a prospective diagnostic study
    Springer Science and Business Media LLC ; 2022
    In:  BMC Musculoskeletal Disorders Vol. 23, No. 1 ( 2022-12)
    Details
    In: BMC Musculoskeletal Disorders, Springer Science and Business Media LLC, Vol. 23, No. 1 ( 2022-12)
    Abstract: Diagnosing anterior cruciate ligament (ACL) injuries in children and adolescents are more challenging compared to adults. Delayed diagnosis may result in meniscal or chondral injuries. The aim of this study was to determine the diagnostic values of history taking, physical examination and KT-1000 arthrometer for suspect ACL injuries in children and adolescents. Methods In this prospective diagnostic study, all children and adolescents ( 〈  18 years) with post-traumatic knee complaints presenting at the out-patient department of the Máxima MC were eligible for inclusion. One experienced knee specialised orthopaedic surgeon was blinded and performed history taking, physical examination and KT-1000 arthrometer measurement. All patients had a magnetic resonance imaging (MRI) for the final diagnosis. Diagnostic values of interest were sensitivity, specificity, positive and negative predictive values (PPV and NPV). The outcomes of the KT-1000 arthrometer were drafted in a relative operating characteristics (ROC) curve to determine the optimal cut-off points. Results Sixty-six patients were included, of which 50 had an ACL rupture and 16 had no ACL rupture on MRI. Report of a popping sensation during trauma had a specificity and PPV of 100% for diagnosing ACL injuries. The PPV and NPV of the Lachman test (in case of describing end-feel) were 95 and 82%, of the anterior drawer test 87 and 90% and of the pivot shift test 95 and 81% respectively. The optimal cut-off point of the KT-1000 arthrometer at 133 N force was an absolute translation of ≥7 mm with a PPV and NPV of 97 and 88% respectively. Conclusions Report of a popping sensation during trauma has a specificity and PPV of 100% for diagnosing ACL injuries in children and adolescents. Although potentially difficult in children, the Lachman test, anterior drawer test and pivot shift test have a high PPV and NPV when performed by an experienced orthopaedic surgeon. An absolute anterior translation of ≥7 mm of the injured knee in the KT-1000 arthrometer at 133 N has the highest diagnostic values of all tests for diagnosing ACL injuries. Level of evidence 3
    Type of Medium: Online Resource
    ISSN: 1471-2474
    URL: Article
    DOI: 10.1186/s12891-022-05659-1
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2041355-5
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  • 10
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    ACL reconstruction for all is not cost-effective after acute ACL rupture
    BMJ ; 2022
    In:  British Journal of Sports Medicine Vol. 56, No. 1 ( 2022-01), p. 24-28
    Details
    In: British Journal of Sports Medicine, BMJ, Vol. 56, No. 1 ( 2022-01), p. 24-28
    Abstract: To conduct a cost-utility analysis for two commonly used treatment strategies for patients after ACL rupture; early ACL reconstruction (index) versus rehabilitation plus an optional reconstruction in case of persistent instability (comparator). Methods Patients aged between 18 and 65 years of age with a recent ACL rupture ( 〈 2 months) were randomised between either an early ACL reconstruction (index) or a rehabilitation plus an optional reconstruction in case of persistent instability (comparator) after 3 months of rehabilitation. A cost-utility analysis was performed to compare both treatments over a 2-year follow-up. Cost-effectiveness was calculated as incremental costs per quality-adjusted life year (QALY) gained, using two perspectives: the healthcare system perspective and societal perspective. The uncertainty for costs and health effects was assessed by means of non-parametric bootstrapping. Results A total of 167 patients were included in the study, of which 85 were randomised to the early ACL reconstruction (index) group and 82 to the rehabilitation and optional reconstruction group (comparator). From the healthcare perspective it takes 48 460 € and from a societal perspective 78 179 €, to gain a QALY when performing early surgery compared with rehabilitation plus an optional reconstruction. This is unlikely to be cost-effective. Conclusion Routine early ACL reconstruction (index) is not considered cost-effective as compared with rehabilitation plus optional reconstruction for a standard ACL population (comparator) given the maximum willingness to pay of 20 000 €/QALY. Early recognition of the patients that have better outcome of early ACL reconstruction might make rehabilitation and optional reconstruction even more cost-effective.
    Type of Medium: Online Resource
    ISSN: 0306-3674 , 1473-0480
    URL: Article
    DOI: 10.1136/bjsports-2020-102564
    Language: English
    Publisher: BMJ
    Publication Date: 2022
    detail.hit.zdb_id: 2003204-3
    SSG: 31
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