Occult posterior pelvic ring fractures in elderly patients with osteoporotic pubic rami fractures
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1Department of Orthopaedics and Traumatology, The University of Hong Kong, Queen Mary Hospital, Hong Kong. catcherlau@hotmail.com
Purpose:
To evaluate postoperative walking status of elderly patients with osteoporotic pubic rami fractures with or without posterior pelvic ring fractures.
Methods:
33 women and 4 men aged 66 to 95 (mean, 85) years presented with osteoporotic pubic rami fractures after a fall. 22 (59%) of the patients had additional posterior pelvic ring fractures (9 had lateral compression type-II fractures involving the ilium and 13 had lateral compression type-I fractures involving the sacroalar region). Seven of the 9 patients with lateral compression type-II fractures underwent open reduction and internal fixation using plates and/ or screws. The remaining 30 patients were treated conservatively.
Results:
Postoperative walking status was similar in elderly patients with osteoporotic pubic rami fractures with or without posterior pelvic ring fractures.
Conclusion:
Posterior pelvic ring fractures are easily missed in elderly patients with pubic rami fractures. Routine computed tomography of the pelvis is useful in making the diagnosis.
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