MRI Findings in Adolescent Patients With Acute Traumatic Knee Hemarthrosis

Abbasi, David B; May, Megan M.; Wall, Eric J.; Chan, Gilbert; Parikh, Shital N.

doi:10.1097/bpo.0b013e3182648d45

Cited by 63 publications

(51 citation statements)

References 19 publications

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“…We show that more than 50% of all ACL injuries had a concomitant meniscal tear which agrees well with previous reports 4,14,30 , also when both MRI and arthroscopy was used for assessment 13 . As reported for women, and in particular for men, the prevalence of meniscal tears, both symptomatic and asymptomatic, increases with age 31,32 and consequently, not all meniscal tears seen on MRI after injury are directly related to the trauma.…”

Section: Structural Injuriessupporting

confidence: 92%

“…Acute post-traumatic effusion of the knee joint indicates hemarthrosis and is suggestive of a significant intra-articular injury 1,2 . The most common is rupture of the anterior cruciate ligament (ACL) 3,4 , which alone or in combination with other injuries has serious long term consequences for the individual and increases the risk of osteoarthritis 5e8 .…”

Section: Introductionmentioning

confidence: 99%

“…In the acute setting, clinical examination of the knee joint is difficult with lack of accuracy in assessment 4,9,10 . To improve diagnostic precision, different strategies have been advocated.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Epidemiology of intra- and peri-articular structural injuries in traumatic knee joint hemarthrosis – data from 1145 consecutive knees with subacute MRI

Olssón

Isacsson

Englund

et al. 2016

Osteoarthritis and Cartilage

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Section: Structural Injuriessupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

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Epidemiology of intra- and peri-articular structural injuries in traumatic knee joint hemarthrosis – data from 1145 consecutive knees with subacute MRI

Olssón

Isacsson

Englund

et al. 2016

Osteoarthritis and Cartilage

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“…Patellar dislocations are the main cause for knee haemarthrosis during growth, and secondary causes are ACL injuries. 6 Osteochondral fragments are found in about every sixth acute dislocation (15%), mostly following spontaneous relocation of the patella. 1 They usually arise from the medial patellar facet or lateral femoral condyle when the patella hits against the lateral condyle as it relocates into the trochlear groove.…”

Section: Types Of Dislocationmentioning

confidence: 99%

Patella instability in children and adolescents

Hasler

Studer

2016

EFORT Open Reviews

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Patellar instabilities are the most common knee pathologies during growth. Congenital dislocations are rare. Extensive, early soft tissue releases relocate the extensor mechanism and may enable normal development of the femoro-patellar anatomy.Conservative management is the preferred strategy after a ‘first-time’ traumatic dislocation. In cases with concomitant anatomical predisposing factors such as trochlear dysplasia, malalignment, malrotation or ligamentous laxity, surgical reconstruction must be considered. The same applies to recurrent dislocations with pain, a sense of instability or re-dislocations which may also lead to functional compensatory mechanisms (quadriceps-avoiding gait in knee extension) or cartilaginous lesions with subsequent patello-femoral osteoarthritis. The decision-making process guiding surgical re-alignment includes analysis with standard radiographs and MRI of the trochlear groove, joint cartilage and medial patello-femoral ligament (MPFL). Careful evaluation of dynamic and static stabilisers is essential: the medial patello-femoral ligament provides stability during the first 20° of flexion, and the trochlear groove thereafter.Excessive femoral anteversion, general ligamentous laxity with increased femoro-tibial rotation, patella alta and increased distance between the tibial tuberosity and the trochlear groove must also be taken into account and surgically corrected.In cases with ongoing dislocations during skeletal immaturity, soft tissue procedures must suffice: reconstruction of the medial patello-femoral ligament as a standalone procedure or in conjuction with more complex distal realignment of the quadriceps mechanism may lead to a permanent stable result, or at least buys time until a definitive bony procedure is performed.Cite this article: Hasler CC, Studer D. Patella instability in children and adolescents. EFORT Open Rev 2016;1:160-166. DOI: 10.1302/2058-5241.1.000018.

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“…In the pediatric population, the incidence of anterior cruciate ligament (ACL) tears has been shown to be increasing in recent years [1,2]. The nonoperative or delayed approach to a pediatric ACL injury has yielded unsatisfactory results.…”

Section: Introductionmentioning

confidence: 99%

A comparison of distal femoral physeal defect and fixation position between two different drilling techniques for transphyseal anterior cruciate ligament reconstruction

Osier

Espinoza-Ervin²,

Leon

et al. 2015

Journal of Pediatric Orthopaedics B

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The defect of the femoral tunnel at the level of the physeal scar during transtibial and anteromedial portal (AMP) drilling for transphyseal anterior cruciate ligament reconstruction was compared. Five matched pairs of knees (n=10) were drilled, and computed tomography was used to evaluate tunnel position and size at the level of the physeal scar. Significant radiographic changes were observed, including tunnel defect area at the physeal scar: 0.44 cm (1.2%) in the transtibial group versus 0.99 cm (2.7%) in the AMP group (P=0.008). AMP drilling creates a larger and more lateral tunnel defect at the level of the physeal scar.

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MRI Findings in Adolescent Patients With Acute Traumatic Knee Hemarthrosis

Abstract: Level III.

Cited by 63 publications

References 19 publications

Epidemiology of intra- and peri-articular structural injuries in traumatic knee joint hemarthrosis – data from 1145 consecutive knees with subacute MRI

Epidemiology of intra- and peri-articular structural injuries in traumatic knee joint hemarthrosis – data from 1145 consecutive knees with subacute MRI

Patella instability in children and adolescents

A comparison of distal femoral physeal defect and fixation position between two different drilling techniques for transphyseal anterior cruciate ligament reconstruction

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