Abstract
BackgroundLateral compression type1 (LC-1) pelvic fractures represent a wide spectrum of heterogeneous injuries. These include both stable and unstable patterns; however, determining whether a LC-1 fracture is stable or unstable is a challenge, and the method used to evaluate fracture stability is complicated.MethodsWe prospectively collected and analyzed data from 22 patients with LC-1 pelvic fractures, who underwent ultrasonography and a pelvic compression and separation test, in order to evaluate the role of ultrasonography in determining fracture stability and assist decision-making for treatment strategy.ResultsTwenty-two patients (15 men and 7 women) were included in the study. Following an ultrasound examination, 10 patients were classified into the stable group and 12 into the unstable group. In total, 13 patients received conservative treatment and 9 underwent surgery. At follow-up, there were no differences in fracture healing times or fracture-related complications between the two groups. The Majeed score was comparable between the two groups and most patients recovered well. There was a moderate degree of consistency in Kappa values (Kappa = 0.571, P = 0.01) between the classification of stability and the final treatment received. In addition, the sensitivity of ultrasonography was 66.67% and the specificity was 76.92%.ConclusionsIn conclusion, ultrasonography is a useful tool for diagnosing the stability of LC-1 pelvic fractures and assists the determination of treatment strategy. Left-right mobility ≥ 0.3 cm may be used as the criterion for determining instability.Trial registrationChiCTR-DDD-16008722.
Highlights
Lateral compression type1 (LC-1) pelvic fractures represent a wide spectrum of heterogeneous injuries
Patient characteristics In total, 22 patients with LC-1 pelvic fractures were included in the study, between July 1, 2016 and March 31, 2017
Electrocardiography monitoring was performed when the patients were admitted to the hospital, and we ensured that blood pressure and heart rates were stable
Summary
Lateral compression type (LC-1) pelvic fractures represent a wide spectrum of heterogeneous injuries. These include both stable and unstable patterns; determining whether a LC-1 fracture is stable or unstable is a challenge, and the method used to evaluate fracture stability is complicated. Lateral compression type-1 (LC-1) pelvic fractures are the most common type of pelvic fractures, accounting for approximately 50% of all pelvic ring fractures [1]. LC-1 fractures represent a spectrum of heterogeneous injuries with patterns ranging from stable to unstable [6]. Determining whether the LC-1 fracture is stable or unstable is a challenge and deciding whether the injury requires surgery or not is complex. In the case of a common LC-1 fracture, we could not
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