The fifth metatarsal is one of the bones where stress fractures can occur. Current literature provides support for both operative and non-operative treatment, but is mostly based on retrospective studies. One small randomized controlled trial reported faster recovery in the surgery group, but this study is probably subject to selection bias as well as underpowered design. There is a need to strengthen the knowledge base regarding treatment of stress fractures in the fifth metatarsal. This study seeks to answer whether osteosynthesis with an intramedullar screw fixation gives faster painfree weight bearing compared to non-operative treatment with a walking boot.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
100
Intramedullary screw fixation
Non-operative treatment with walking boot orthosis for six weeks. The non-operative study arm will use walking boot orthosis only. The operative study arm will use walking boot orthosis as adjuvant treatment.
Østfold Hospital Trust
Grålum, Norway
RECRUITINGAkershus University Hospital
Lørenskog, Norway
RECRUITINGOslo University Hospital
Oslo, Norway
RECRUITINGPain free weight bearing
Defined as Visual Analoge Scale below 3. The scale range is 0 to 10, where 0 means "no pain" and 10 means "worst pain".
Time frame: 2 years
Palpatory pain
Visual Analog Scale below 3
Time frame: 2 years
Radiological healing
Time to radiological callus formation
Time frame: 2 years
Work status
Time of sick leave
Time frame: 2 years
Refracture
Rate of refractures
Time frame: 2 years
Delayed union
Rate of delayed unions
Time frame: 2 years
Nonunions
Rate of nonunions
Time frame: 2 years
Level of activity
Time to normal activity level is resumed
Time frame: 2 years
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