External fixation by the use of Mitković external fixator is one of the methods of choice in the treatment of open segmental tibial fractures, which incorporated with antibiotic therapy provides good biomehanical conditions for segmental fracture healing that enables good stability of the segmental tibial fracture and decreases the risk of deep infections.

The aim of this study is to describe the nature of war wounds with fracture caused by cluster bombs and to suggest treatment options for such injuries. The nature of wounds caused by cluster bombs differs from those caused by conventional arms (they are more severe). The sides of the wounds are represented by conquasated soft tissues (such as fat and muscle) with thick dead tissues, ordinarily with a thickness of 0.5-4.5 cm. Another main characteristic of such injuries is the high percentage of amputations needed due to the high rate of neurovascular damage. This paper investigates the cases of 81 patients who sustained a total of 99 war wounds with fractures. The average age of the patients was 32.7 years while the youngest was 20 and the oldest, 77. According to The International Committee of the Red Cross (ICRC) classification of war wounds, 14 patients had grade I injuries, 48 patients grade II, and 29 patients, grade III. Mitkovic external fixation system, known also as the "War Fixator" was used for all fractures fixation. One protocol, which was a modification of the ICRC's protocol adapted to our specific conditions, was used throughout the study. For solving soft tissue defects, a rotator fasciocutan flap was the most frequently used. For solving of bones defect Mitkovic reconstructive external fixation device was used. All fractures we treated healed. We concluded that shortening the procedural time and being a very simple, immediate using of Mitkovic versatile external fixator ("War Fixator") is, leads to desirable results.

Posterior wall acetabular fractures associated with hip dislocation are severe injuries. Urgent, closed reduction of the hip, early definitive stable osteosynthesis of acetabulum and the experience of surgical team are factors that greatly decrease the possibility for AVN occurence. Later reduction, comminution of posterior wall of the acetabulum (Thompson- Epstein III et IV), impaction, chondral lesion of the femoral head and associated fractures of femoral head, increase the possibility for AVN occurence.

Rotationally and vertically unstable injuries to the pelvic ring (Type C) require stabilisation of the anterior and posterior pelvic ring complex. Inadequate treatment of these injuries leads to chronic instability of the pelvic ring, which can finally cause permanent disability. Open reduction and stable internal fixation of the anterior and posterior complex of unstable pelvic ring injuries are standard procedures in the treatment of hemodynamically stable patients with (Type C) pelvic injuries. Our aim is to show that this type of treatment achieves excellent and good results. All patients were operated on using the method of open reduction and anterior plate fixation of sacroiliac complex as well as fixation of the pubic symphisis. We present a retrospective study of the results concerning the treatment of 19 patients with (Type C) unstable pelvic injuries. The average age of the patients was 43,21 years old. The final functional results, 2 years post-surgery according to the Majeed scoring system and the results were excellent in 11 (57.89%) and good in 8 (42.1%) patients. There were no bad results to report. Type C pelvic ring injuries are unstable and unless they are adequately treated, they can lead to permanent consequences. Surgical treatment that includes open reduction and stable internal fixation of the anterior and posterior pelvic ring complex leads to excellent and good results. The patients that were treated surgically by fixation of the anterior and posterior pelvic ring complex return to their everyday lives and work activities.

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