How do crumple zones reduce injury swelling

Foot Ankle Surg.

how do crumple zones reduce injury swelling

Patients are randomized on the day of inclusion in the study. Intermittent pneumatic pedal compression and edema resolution after acute ankle fracture: Many of these fractures develop severe swelling that precludes operative intervention until adequate edema resolution has commenced [ 8 , 9 ]. All protocol-required information collected during the trial must be entered by the investigator, or designated representative, in the Case Report Form CRF.

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Distal humerus fractures: Fractures of the upper and the lower extremity with involvement of the joint are, in general, associated with damage to the articular surface. These independent examiners are not involved with the design of the study. By submitting a comment you agree to abide by our Terms and Community Guidelines. How rear-view cameras work to prevent back-up collision... Hand Clin.

How crumple zones can reduce the impact of a collision

Randomisation to protect against selection bias in healthcare trials. According to the preliminary data from Caschman et al. The VIT study is a prospective, monocenter, randomized controlled trial to compare the VIT system with elevation in the treatment of posttraumatic swelling in the case of a fracture of the upper and lower extremity.

None of the authors have received reimbursements, fees, funding or salary from OPED. German Clinical Trial Register, No.

how do crumple zones reduce injury swelling

OPED has no involvement in the conduct of this trial. Blinding of the patients and the assessors is unfeasible. Some simple crumple zone designs include frame segments built to bend in certain areas or collapse onto themselves, while more advanced designs make use of metals and other materials that are specifically engineered to absorb as much energy as possible.

how do crumple zones reduce injury swelling

Br Med Bull. J Bone Joint Surg Am. Comments By submitting a comment you agree to abide by our Terms and Community Guidelines. On the road. More to Explore. For the other six injury types a sample size calculation is not possible due to a lack of data in the medical literature.

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