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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 296 - 296
1 Sep 2012
Cantin O Cantin O Chouteau J Henry J Viste A Fessy M Moyen B
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Introduction

There is a challenge to detect partial tear of the ACL, the number of bundle injured and the proportion of fibers torn. The MRI was shown efficient to individualize the two anteromedial (AM) and posterolateral (PL) bundles of the ACL. The purpose of this study was to assess the ability of the MRI to detect partial tears of the ACL on axial views to display the AM and PL bundles.

Materials and methods

This retrospective study included 48 patients (19 partial tears of the ACL, 16 complete rupture of the ACL and 13 normal knee) who underwent both arthroscopy and MRI examinations of the knee. The conventional MRI protocol included one sagittal T1- weighted sequence and 3 proton-density fat sat. The images from MRI were analysis by a radiologist specialized in musculoskeletal imaging who was blinding to the arthroscopic findings. The criteria for the analysis of MRI were divided into primary (those involving the ACL himself) and secondary signs (associated abnormalities). The primary signs included the horizontalisation of the ACL (ACL axis), the global ACL signal intensity and the signal intensity of each AM and PL bundle. The secondary signs included bone bruise, osteochondral impaction, popliteus muscle injury, medial collateral ligament injury and joint effusion. The ACL was classified as normal, partially or totally torn. The rupture of the AM and PL bundle was specified.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_IV | Pages 595 - 595
1 Oct 2010
Henry J BĂ©rard J Chotel F Chouteau J Fessy M Moyen B
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The purpose of this study was to compare 2 different strategies of management for ACL rupture in skeletally immature patient.

In group 1, patients were treated in a children hospital by ACL reconstruction with open physis. In group 2, patients were treated in an adult hospital by delayed reconstruction at skeletal maturity assessed radiologically.

Fifty six consecutive patients were included in this retrospective study. Mean time from injury to surgery in group 1 and 2, was 13.5 and 30 months, respectively.

In the overall series, a long time from injury to surgery increased the number of medial meniscal tear (p< 0.0001), but had no influence in the number of lateral meniscal tear (p=0.696). Patients in group 2 exhibited a higher rate of medial meniscal tears (41%) compared to group 1 (16%) (p=0.01). Both groups had the same rate of lateral meniscal tears (p=1). Despite there was no difference between the 2 studied groups in type and location of menisci lesion, patients in group 2 underwent more partial menisectomy (63%) than patients in group 1 (16%) (p=0,014).

One temporary tibial valgus deformity was reported and spontaneously resolved. No definitive growth disturbance was noticed. At 27 months mean follow-up, patients in group 1 expressed better subjective IKDC than in group 2. Objective IKDC and radiological results were similar in both groups.

Early ACL reconstruction in skeletally immature patient, especially if the patient is more than one year to be skeletally mature, has to be promoted despite of growth disturbance risk. This strategy will decrease medial meniscus lesions and partial meniscectomies which occurred more frequently when ACL reconstruction had been delayed until skeletal maturity.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 154 - 154
1 Feb 2003
Jenkins PJ White TO Henry J Robinson C
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Acute Respiratory Distress Syndrome (ARDS) is a rare but important complication of trauma, with a mortality of around 50%, and considerable morbidity amongst survivors. The treatment options currently available are supportive only. Although trauma is known to be an important risk factor, previous studies have been intensive care-based and the epidemiology of ARDS amongst trauma patients remains unknown.

We prospectively studied 7387 consecutive admissions to a single University Hospital, providing all trauma care to a well defined population, over an eight year period. Inclusion criteria were admission following trauma, age over thirteen and residence within the catchment area. Fifty five percent of all patients studied were male, the average age was fifty years and 97% of injuries were due to blunt trauma.

Thirty-eight (0.5%) patients developed ARDS following trauma, giving an incidence of 0.8 per 100 000 population per annum. The mortality rate was 26%. The incidence of ARDS after isolated thoracic, head, abdominal or extremity injury was less than one percent. The incidence was significantly higher amongst younger patients with a median age of 29 for those developing the condition. High energy trauma was also associated with an increased incidence, with 84% cases arising following a road traffic accident or a fall from a height. The highest incidence was observed amongst patients with multiple injuries. Patients with injuries to two anatomical regions had a higher incidence (up to 2.9%) than those with isolated injuries, and those with injuries to three anatomical regions had a higher incidence still (up to 8.2%). The combination of abdominal and extremity injury was shown on logistic regression to be especially significant.

The epidemiology of ARDS following trauma has not previously been defined. The incidence is highest following high energy trauma, in younger patients and in polytraumatised patients.

We have identified risk factors for the development of this rare but serious complication of trauma. Vigilant monitoring of those patients who are at increased risk will allow appropriate supportive measures to be instituted at an early stage.