Pubic Rami Fractures Fixation by Interlocking Intramedually Nail: First Clinical Experience

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Abstract

Background. Growing number of patients with pelvic fractures is associated with evolution of high-speed transport, high-rise construction and industrial production. The optimal surgical procedure for pubic rami fractures must ensure a stable fixation and simultaneously minimize the risk of postoperative complications. Our aim was to evaluate the efficiency of a new technique for pubic bones fixation by a titanium nail in patients with pelvic fractures.

Material and Methods. The authors present the experience on treatment of 18 patients who underwent 25 surgeries for internal fixation of pubic rami fractures by a designed solid titanium nail. Mean age of patients was 40.16±10.35 years. Proposed surgical method provides for mandatory use of image intensifier during all stages of the procedure. With patient in a supine position the authors performed internal fixation of pubic bones by a retrograde nail inserted using a navigating handle through a skin incision of1 cm in the area of symphysis. After complete insertion into the bone the nail was interlocked proximally by two3.5 mm cortex screws through an additional skin incision of1.0 cm using a navigating handle and guiding sleeves. All pelvic ring fractures were classified according to AO/OTA classification and pubic fractures by Nakatani classification. Functional outcome was evaluated by Majeed score.

Results. Bilateral fractures were diagnosed in 7 (38.8%) patients (floating pubic symphysis). 13 (72.2%) patients featured polytrauma with average ISS score of 25.1±7.8. 2 (11,1%) patients were diagnosed with open pelvic fractures, 3 (16.6%) patients had a concomitant acetabular fracture. The authors performed epicystostomy in two (11.1%) patients and laparotomy bringing out the drainages in 5 (27,8%) patients. Mean follow up was 7.8±6.2 months. Stable fixation was obtained in all patients. By the moment of the present publication x-ray healing of pubic bones was observed in 16 (64%) cases, in remaining 9 (36%) cases the follow up period was less than mean healing period (2 months). In 11 (68.8%) patients the functional outcome averaged 91±3.9 by Majeed score 6 months postoperatively, in 8 (50%) patients – 93.8±2.9 by Majeed score 12 months postoperatively and more. No complications like skin necrosis, secondary fragments displacement or infection were not observed.

Conclusion. Preliminary results demonstrated the absence of wound infection and reliable fragments fixation. This technique can be applied in patients with stomas and drainages upon the anterior abdominal wall which extends the indication range for surgical treatment of anterior pelvic ring. High fixation properties of proposed nailing create conditions for early mobilization of the patients and for conducting the exercise therapy. 

About the authors

P. A. Ivanov

Sklifosovsky Clinical and Research Institute for Emergency Care

Author for correspondence.
Email: fake@neicon.ru

Pavel A. Ivanov — Dr. Sci. (Med.), professor, head of the polytrauma department

Moscow

Russian Federation

N. N. Zadneprovsky

Sklifosovsky Clinical and Research Institute for Emergency Care

Email: fake@neicon.ru

Nikita N. Zadneprovskiy — research associate, polytrauma department

Moscow

Russian Federation

A. V. Nevedrov

Sklifosovsky Clinical and Research Institute for Emergency Care

Email: fake@neicon.ru

Alexander V Nevedrov - Cand. Sci. (Med.), research associate, polytrauma department

Moscow

Russian Federation

V. O. Kalensky

Sklifosovsky Clinical and Research Institute for Emergency Care

Email: fake@neicon.ru

Vsevolod O. Kalensky — research associate, Polytrauma department 

Moscow

 

Russian Federation

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