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Stressfrakturer: hjulaxlar och idrottskarriärer brister
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Orthopaedics in Linköping.
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Orthopaedics in Linköping.
2014 (English)In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 111, no 36, 1436-1439 p.Article in journal (Refereed) Published
Abstract [en]

Stress fractures are caused by material fatigue. Microcracks appear normally in bone, and are dealt with by remodeling, specifically targeting areas of microdamage. Inhibition of targeted remodeling can allow microcracks to grow and form fractures. Intensive athletic training can lead to an increased microcrack formation rate, which exceeds what can be balanced by remodeling. Stress fractures often heal poorly, possibly because they are so thin: normal deformation of the bone during loading has been shown to lead to strains within thin cracks that are incompatible with cell survival. If the patient can't reduce loading sufficiently to allow healing, surgical stabilization will therefore be required. If the crack is transformed into a larger defect, e.g. by drilling a hole, strains will be reduced and healing facilitated by a simple procedure.

Abstract [sv]

Stressfrakturer beror på materialutmattning.

Mikrospickor i ben uppstår normalt och balanseras genom riktad remodellering.

Vid hämning av riktad remodellering kan mikrosprickor växa till frakturer.

Vid intensiv träning hinner den riktade remodelleringen inte med.

Stressfrakturer i kortikalt ben läker dåligt. Benets normala böjning vid belastning kan tänkas leda till alltför stora deformationer inuti sprickan för att läkning ska kunna ske.

En ny experimentell behandlingsmetod minskar deformationen i sprickan genom att göra den vidare.

Place, publisher, year, edition, pages
Stockholm: Sveriges läkarförbund , 2014. Vol. 111, no 36, 1436-1439 p.
National Category
Orthopedics
Identifiers
URN: urn:nbn:se:liu:diva-111390PubMedID: 25253594OAI: oai:DiVA.org:liu-111390DiVA: diva2:756095
Available from: 2014-10-16 Created: 2014-10-16 Last updated: 2017-12-05Bibliographically approved

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Aspenberg, PerSchilcher, Jörg

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Division of Clinical SciencesFaculty of Health SciencesDepartment of Orthopaedics in Linköping
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