Background: Although an increasing number of studies have reported the usefulness of early minimally invasive surgery (MIS) or fragility fracture of the pelvis (FFP), MIS is difficult to perform in every hospital, partly because of equipment problems. Moreover, different opinions exist on FFP treatment methods and the indication for surgery is usually determined by the fracture type. Since our hospital follows a conservative approach as the basic treatment, this study examined the outcomes of such an FFP approach.
Hypothesis: FFP outcomes are influenced by the fracture type and walking ability before the injury.
Patients and methods: We investigated the bone fusion rate, bone fusion duration, unloading duration, walking ability trends, and outcomes in 76 patients with FFP treated conservatively at our hospital.
Results: The union rate, mean period until union, and follow-up period were 93.4%, 3.3 months, and 14.3 months, respectively. Walking ability significantly decreased from 5.1 points before the injury to 4.4 points during the last follow-up (p<0.01). The average unloading period was 12.8 days, and FFPs showed a high bone fusion rate, even with conservative treatment.
Discussion: Most patients eventually returned to their pre-injury status despite slightly decreased walking ability. Given the invasive nature of surgery, the indications for surgery should be carefully assessed after considering the risk-benefit ratio.
Level of evidence: III; retrospective study.
Keywords: Conservative treatment; Fracture; Osteoporosis; Pelvis.
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