Removal of the cervical collar from alpine rescue protocols? A biomechanical non-inferiority trial in real-life mountain conditions.

Biomechanical Phenomena Cervical Vertebrae Humans Skiing

Journal

Scandinavian journal of trauma, resuscitation and emergency medicine
ISSN: 1757-7241
Titre abrégé: Scand J Trauma Resusc Emerg Med
Pays: England
ID NLM: 101477511

Informations de publication

Date de publication:
27 Jun 2022
Historique:
received: 02 12 2021
accepted: 20 06 2022
entrez: 27 6 2022
pubmed: 28 6 2022
medline: 30 6 2022
Statut: epublish

Résumé

Alpine skiing rescues are challenging because of the mountainous environment and risks of cervical spine motion (CSM) induced during victims' extrications (EXs) and downhill evacuations (DEs). The benefits of applying a cervical collar (CC) over manual in-line stabilization without CC (MILS) in terms of spinal motion restriction during simulated alpine rescues are undocumented. Our hypothesis was that CSM recorded using MILS alone is non-inferior to CSM recorded with a CC according to a 10 degrees margin. A total of 32 alpine extrications and 4 downhill evacuations on different slope conditions were performed using a high fidelity mannequin designed with a motion sensors instrumented cervical spine. The primary outcome was the peak extrication 3D excursion angle (Peak 3D θ The median Peak 3D θ For experienced ski patrollers, the biomechanical benefits of spinal motion restriction provided by CC over MILS during alpine skiing rescues appear to be marginal and CC use negatively affects rescue time.

Sections du résumé

BACKGROUND BACKGROUND
Alpine skiing rescues are challenging because of the mountainous environment and risks of cervical spine motion (CSM) induced during victims' extrications (EXs) and downhill evacuations (DEs). The benefits of applying a cervical collar (CC) over manual in-line stabilization without CC (MILS) in terms of spinal motion restriction during simulated alpine rescues are undocumented. Our hypothesis was that CSM recorded using MILS alone is non-inferior to CSM recorded with a CC according to a 10 degrees margin.
METHODS METHODS
A total of 32 alpine extrications and 4 downhill evacuations on different slope conditions were performed using a high fidelity mannequin designed with a motion sensors instrumented cervical spine. The primary outcome was the peak extrication 3D excursion angle (Peak 3D θ
RESULTS RESULTS
The median Peak 3D θ
CONCLUSION CONCLUSIONS
For experienced ski patrollers, the biomechanical benefits of spinal motion restriction provided by CC over MILS during alpine skiing rescues appear to be marginal and CC use negatively affects rescue time.

Identifiants

DOI: 10.1186/s13049-022-01031-3 PMID: 35761355 PMC: PMC9235139
pubmed: 35761355
doi: 10.1186/s13049-022-01031-3
pii: 10.1186/s13049-022-01031-3
pmc: PMC9235139
doi:

Types de publication

Equivalence Trial Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

42

Informations de copyright

© 2022. The Author(s).

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Auteurs

Guillaume Grenier (G)

Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada.

Marc-Antoine Despatis (MA)

Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada.

Karina Lebel (K)

Faculty of Engineering, Department of Electrical and Computing Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada.
Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada.

Mathieu Hamel (M)

Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada.

Camille Martin (C)

Faculty of Engineering, Department of Electrical and Computing Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada.
Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada.

Patrick Boissy (P)

Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada. Patrick.Boissy@usherbrooke.ca.
Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada. Patrick.Boissy@usherbrooke.ca.
ORCID: 0000-0001-6582-4519

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Classifications MeSH

questionsmedicales.fr › Phénomènes physiques › Phénomènes mécaniques › Phénomènes biomécaniques › Removal of the cervical collar from alpine...
questionsmedicales.fr › Appareil locomoteur › Squelette › Rachis › Vertèbres cervicales › Removal of the cervical collar from alpine...
questionsmedicales.fr › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Primates › Haplorhini › Catarrhini › Hominidae › Humains › Removal of the cervical collar from alpine...
questionsmedicales.fr › Activités humaines › Activités de loisirs › Loisir › Sports › Sports de neige › Ski › Removal of the cervical collar from alpine...