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Background: Trampolining is popular and widely practiced among children. A literature review has shown a rise in the incidence of trampoline injuries with a concomitant increase in paediatric emergency department visits. The primary objective of this study was to describe the severity of trampoline injuries in children. The secondary objectives were to assess the epidemiology of the study population and injuries and to describe the treatments., Hypothesis: We hypothesized that over 10% of trampoline injuries were severe., Material and Methods: We prospectively evaluated consecutive patients seen for surgical conditions at our paediatric emergency department over a 10-month period. Among them, 103 (1.2% of visits) aged 4 months to 16 years (mean, 8 years) had trampoline injuries. We classified trampoline injuries as severe if they required general anaesthesia., Results: Severe injuries accounted for 16.5% of all trampoline injuries. The upper limb was predominantly affected (70.6% of cases). Overall, 66.7% of fractures were at the upper limb and 76% of contusions at the lower limb. The predominant fracture sites were the supra-condylar humerus (15.3%) and distal radius (15.3%). Among patients with non-severe injuries, four-fifths left the emergency department with a temporary immobilisation system., Discussion: The proportion of severe injuries was slightly higher in our study than in earlier reports. Trampoline injuries remain uncommon but can be severe. Thus, in our study over one-sixth of patients required surgery under general anaesthesia., Level of Evidence: IV, prospective descriptive epidemiological study., (Copyright © 2022 Elsevier Masson SAS. All rights reserved.)

The authors present the case of a patient with a rare combination of open volar radiocarpal dislocation and complete destruction of the dorsal capsule-ligament complex and tendons. The treatment consisted of open reduction and arthrorisis (temporary arthrodesis during 45 days) with four K-wires (radiocarpal and radioulnar). The capsule-ligament complex was fixed with anchors and the extensor tendons were repaired by suturing. A long-arm cast was applied for six weeks. After an 18-month follow-up, the Cooney-modified Green and O'Brien score was 70 and the wrist range of motion was 85°. Dynamic intraoperative X-rays are needed to look for bone or ligament (intracarpal or radioulnocarpal) injuries. Arthrography, arthroscopy or MRI may provide additional information. In cases of stable lesions without intracarpal ligament injuries, conservative treatment may be sufficient. Otherwise, surgical treatment is required, using temporary external fixation or arthrorisis (temporary arthrodesis) associated with anatomic repair of capsular ligaments. The average duration of postoperative immobilization is 6.6 weeks. An external fixator seems to be useful for reduction and for placing optimal tension on repaired ligament repair. Twenty-three cases of volar radiocarpal dislocation are described in published studies. None of them was associated with bone, tendon, skin or capsule-ligament complex injuries. Few studies describe the long-term functional and radiological outcomes of these injuries., (Copyright © 2016 SFCM. Published by Elsevier Masson SAS. All rights reserved.)

Metacarpal diaphyseal fractures are classically treated using a non-removable glove for 4 to 6 weeks. Here, we report the results of treatment by immediate active protected mobilization (buddy taping for four weeks) of minimally displaced M2 to M5 fractures. Fifty-four fractures (15 transverse or short oblique and 39 spiral or long oblique) in 51 patients were included during a one-year period; the average age of patients was 31 years. Clinical and radiographic assessments were carried out at day 15 and then months 1, 2 and 6 post-fracture. Thirty-one cases were reviewed at day 15, 27 at 1 month, and 22 at 2 months. The initial volar tilt was 26° on average for the short oblique or transverse fractures, and 11.5° for the long oblique or spiral fractures. Six fractures (11%) experienced 16.6° of secondary displacement on average. The fracture was healed in 37% of cases at 1 month, and in 100% of cases at 2 months in the patients who were reviewed clinically. Reduction in the QuickDASH and VAS for pain was evidence of fast functional recovery. The range of motion was comparable to that of the contralateral side in 90% cases after 2 months. Grip and pinch strength was 33% less than the contralateral side at 2 months. Although secondary displacement occurs in some cases, the functional results of this simple and practical treatment method are good after 2 months, as there is little pain, stiffness, strength loss and no cases of nonunion., (Copyright © 2016 SFCM. Published by Elsevier Masson SAS. All rights reserved.)