Evidence library

Fragility pelvic fractures differ from high-energy pelvic ring injuries and are poorly described by existing systems. Most are minimally displaced and settle without surgery, but some progress to displacement, nonunion and persistent instability; the proposed graded classification links instability to treatment, from minimally invasive fixation to complex reconstruction.

Only around half of binders sat at trochanteric level, and placement too high was the commonest error. In open-book injuries, high binders left a significantly wider symphyseal gap than correctly placed ones.

The share of patients over 60 rose significantly over the study period. Older patients significantly more often had fractures involving displacement of the anterior column, frequently with a separate quadrilateral plate fragment or roof impaction, while their posterior wall fractures often showed comminution and marginal impaction, features linked to poorer outcomes.

Packing was associated with rapid haemorrhage control, reduced post-procedure transfusion and low mortality from acute haemorrhage, with only a minority needing subsequent angioembolisation.

Most patients achieved good or excellent hip scores with a low revision rate for acetabular component loosening, supporting acute arthroplasty as a viable option in selected patients.

Most hips achieved an anatomical reduction, which was harder to obtain in complex patterns, older patients and with longer delay to surgery. Clinical outcome tracked the radiographic result: anatomical reduction and a congruent roof predicted good results, whereas femoral head injury, older age and operative complications predicted poorer ones.

Transfusion requirement and mortality varied by injury pattern, with anteroposterior compression and combined injuries carrying the highest blood loss and mortality; the authors concluded the classification-based protocols reduced pelvic-related morbidity and mortality.

Argued that stable (type A) injuries do well without surgery, whereas unstable injuries, particularly vertically unstable posterior ring disruptions, are associated with persistent pain and deformity and benefit from anatomical reduction and stable fixation.

Described the two-column concept, the iliac and obturator oblique views and radiographic lines needed to read acetabular fractures, forming the basis of the later 10-pattern Letournel classification (5 elementary, 5 associated).