The long-term functional outcome after unstable pelvic ring fracture was not associated with Injury Severity Score, fracture location or fracture type. We discovered a close correlation between neurologic injury and functional outcome.
Based on the present data, we could not clarify the factors influencing the final functional outcome after floating elbow injury. These injuries, however, potentially have many complications, such as infection or nonunion, especially when there is associated brachial plexus injury. We consider that floating elbow injuries are severe injuries and that surgical stabilization is needed; beyond that, there are no specific forms of surgical treatment to reliably guarantee excellent results.
We report on two patients who showed absence of auditory brainstem response (ABR) but broad compound action potentials on electrocochleograms and almost normal otoacoustic emissions, together with absence of caloric response and preservation of per rotatory nystagmus for both ears. Patient 1, a 53-year-old woman, had noted auditory and vestibular problems since the age of 15 years, and Patient 2, a 68-year-old woman, had noted problems of the same age of 30 years. They could hear words and understand sentences if spoken slowly, but they could not discriminate monosyllables very well. Their auditory examinations disclosed mild threshold elevation in pure-tone audiometry and markedly poor scores in speech audiometry and good scores in auditory comprehension test. They were diagnosed as having auditory nerve disease of unknown cause.
In every patient with gluteal necrosis associated with pelvic fracture following TAE, initial traumatic contusion cannot be ruled out as contributing to the development of the necrosis. However, for patients who undergo TAE of the bilateral internal iliac artery and who show clear-border LDAs on CT, skin necrosis centered on the buttock, and the delayed appearance of a skin lesion, careful attention must be given in the event of an arterial obstruction due to TAE.
Purpose. To study the anatomy of the pubic ramus and adjacent structures in 160 Japanese to establish a safer pubic screw fixation technique. Methods. 80 male and 80 female Japanese aged 16 to 89 (mean, 50) years (10 persons in each decade of age) underwent 3-dimensional computed tomographic scanning of their pelvises. The angle at which the screw should be targeted, the appropriate length of the screw, the size of the canal for screw insertion, and the proximity to the bladder, iliac artery, and iliac vein were determined. Correlations between the canal diameters (of the acetabular, base, and parasymphyseal areas) and body features (age, height, and weight) were analysed. Results. In men and women respectively, the appropriate mean screw length was 124.6 and 123.8 mm; the guide wire should be targeted at a mean of 66º and 67º cephalad and 54.1º and 55.9º laterally for insertion of a retrograde pubic screw; the minimum distances from the pubis to the bladder/iliac artery/ iliac vein were 0 and 0 mm/4.9 and 4.6 mm/0.8 and 0.2 mm. In both men and women, the canal diameters at the base were positively correlated to weight. In women, the canal diameters at the parasymphyseal area were correlated to height and weight. Canal diameters at the acetabulum were not correlated to height and weight. Conclusion. Pubic screw fixation may be potentially disastrous (owing to joint penetration and iliac vein injury) and should be performed with caution. When the canal diameter at the acetabulum is extremely narrow, plate fixation, computer-assisted surgery, or changing to a smaller-diameter screw is recommended.
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