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Review
. 2015 Mar;13(1):2-6.
doi: 10.1016/j.aju.2014.08.006. Epub 2014 Sep 16.

The incidence, causes, mechanism, risk factors, classification, and diagnosis of pelvic fracture urethral injury

Amjad Alwaal  1 , Uwais B Zaid  2 , Sarah D Blaschko  2 , Catherine R Harris  2 , Thomas W Gaither  2 , Jack W McAninch  2 , Benjamin N Breyer  2
Affiliations
Review

The incidence, causes, mechanism, risk factors, classification, and diagnosis of pelvic fracture urethral injury

Amjad Alwaal et al. Arab J Urol. 2015 Mar.

Abstract

Background: Pelvic fracture urethral injury (PFUI) is an uncommon but potentially devastating result of pelvic fracture. It ranges in severity based on the cause and the mechanism of injury.

Methods: We reviewed previous reports to identify the incidence, causes, mechanisms of injury and risk factors of PFUI. In addition, we reviewed the current classification systems and diagnostic methods that have been described to assess the severity of PFUI, to identify optimal management strategies and evaluate outcomes.

Results: PFUI occurs more commonly in men, but is more likely to be severe in children. The most common cause is motor vehicle collisions, and the mechanism is typically a ligament rupture at the attachment to the urethra. There is no reliable classification system to differentiate partial and complete PFUI. Retrograde urethrography is the standard imaging method but it has its limitations.

Conclusions: Despite many reports describing this injury, there is still a need to further clarify the incidence, aetiology and mechanism of injury to better determine optimal management strategies and evaluate outcomes. Consensus in the diagnosis of PFUI is lacking, and outcomes of primary realignment and the role of flexible cystoscopy as a diagnostic method are still to be determined.

Keywords: BN, bladder neck; Classification; Diagnosis; MVC, motor vehicle collision; PFUDD, pelvic fracture urethral distraction defect; PFUI, pelvic fracture urethral injury; Pelvic fracture; RUG, retrograde urethrography; Urethral injury.

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