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At least 577 records · Page 32Linked to original sources
PubMed1995

Operative treatment of nonunion of surgical neck fractures of the humerus.

Seventeen patients who had undergone operative treatment for painful nonunion of a surgical neck fracture of the proximal humerus were evaluated an average of 6.3 years (range, 2-11 years) from the time of surgery to determine clinical and radiographic outcome. Ten patients underwent open reduction and internal fixation with tension band wiring and Rush rods, and 7 underwent proximal humeral hemiarthroplasty. The average age of the patients was 60 years old. After surgery, pain, function, and range of motion improved for both groups. University of California Los Angeles scores improved from an average of 4.4 to 22 points in the internal fixation group and from 4.8 to 21.4 in the hemiarthroplasty group. All 17 patients were eventually able to perform activities of daily living independently. No patient in either group was able to return to his or her preinjury level of work. Nonunion persisted in 2 patients who had undergone internal fixation, and avascular necrosis developed in 2 others. Eight of 10 patients in the internal fixation group required removal of the Rush rods for treatment of symptomatic mechanical impingement. Painful nonunion of a surgical neck fracture of the proximal humerus is a difficult problem to manage operatively. Pain relief and functional improvement was similar in patients who underwent either procedure. However, 11 of 17 patients had fair or poor ultimate outcomes.

Activities of Daily Living↗
PubMed1997

The fractured rib in chest wall trauma.

Chest wall trauma and rib fractures are significant sources of morbidity and mortality in countries in which motor vehicle accidents are prevalent. Physicians who care for injured patients should realize that patients with thoracic trauma are at significant risk for mortality, deterioration, and associated injuries. Care must be taken to avoid underestimation of the effect of the injury on subsequent respiratory mechanics. Armed with an understanding of chest injury epidemiology, biomechanics, and pain control, physicians can better serve these high-risk patients.

Adult↗
PubMed1997

Epidemiology of brachial plexus injuries in a multitrauma population.

OBJECTIVE: The purpose was to identify the prevalence, causative factors, injury types, and associated injury patterns in multitrauma patients who sustained brachial plexus injuries. METHODS: A retrospective review of a prospectively collected and computerized database and a chart review were performed. RESULTS: Brachial plexus injuries were identified in 54 of 4538 (1.2%) patients presenting to a regional trauma facility. Young male patients predominated. Motor vehicle accidents were the most frequent cause overall, but only 0.67% of such accidents resulted in plexus injuries. Conversely, 4.2% of motorcycle accident victims and 4.8% of snowmobile accident victims suffered brachial plexus injuries. Injuries were supraclavicular for 62% of patients and infraclavicular for 38%. Supraclavicular injuries were more likely to be severe (Sunderland Grade 3 or 4), compared with infraclavicular injuries, which were neurapraxic in 50% of cases (P < 0.01). The former therefore required surgical exploration and reconstruction more often (52 versus 17%; P < 0.05). Associated injuries included closed head injuries with loss of consciousness in 72% of patients (coma in 19%), cervical spine fractures in 13%, and clavicle, scapular, or humeral fractures and shoulder dislocations or sprains in 15 to 22%. Rib fractures were observed in 41% and were complicated by internal thoracic injuries in a similar percentage of cases. The injury severity score ranged from 5 to 59, with a mean of 24, and two patients died. CONCLUSION: Brachial plexus injuries afflict slightly more than 1% of multitrauma victims. Motorcycle and snowmobile accidents carry especially high risks, with the incidence of injury approaching 5%. Head injuries, thoracic injuries, and fractures and dislocations affecting the shoulder girdle and cervical spine are particularly common associated injuries. Supraclavicular injuries are more common, are of more severe grade, more often require surgery, and are associated with worse prognosis, compared with infraclavicular injuries.

Accidents, Traffic↗
PubMed1992

[Drill wire osteosynthesis in subcapital humerus fractures: percutaneous or open procedure?].

Between 1978 and mid-1990, 135 patients suffering from dislocated, non-luxated fracture of the humerus at the anatomical neck (fractura colli anatomici) were treated by means of open or closed percutaneous drill wire osteosynthesis. Follow-up examination after an average of 9 months did not show any significant differences between the two surgical approaches in 117 patients, independent of the shape of the fracture. However, in about 30% of the cases it was impossible to employ the percutaneous approach due to the presence of an obstacle to reduction, so that open reduction and fixation was the only choice. A great majority of the functional results must be considered as good, fractures of the tubercles having the most unfavourable prognosis independent of the surgical technique. It is, therefore, recommended to first try closed reduction with percutaneous drill wire osteosynthesis. If there are any obstacles to reduction, open reduction should be restored to during the surgery session.

Adult↗
PubMed2006

Assessment of bone quality in the proximal humerus by measurement of the contralateral site: a cadaveric analyze.

INTRODUCTION: The presence of osteoporosis decreases the success of osteosynthesis, especially in the proximal humerus. Estimation of the bone mineral density (BMD) at the fracture site could aid in the decision making for surgical treatment and potential implant choice with regard to the individual bone properties. BMD measurement at a fracture site is prone to inaccuracies and alternative measurement sites need to be identified. In the case of a proximal humerus fracture, promising alternative measurement sites are at the same contralateral or at a different ipsilateral location. The aim of this study was to determine if the BMD for the humeral head can be predicted by BMD measurements from the ipsilateral distal humerus or the contralateral proximal humerus. MATERIAL AND METHODS: Cancellous BMD values were obtained from 88 paired human cadaver humeri (age 75.8+/-13.5 years) at the humeral head and at the distal metaphyseal area by pQCT. Correlations between BMD values of the ipsi- and contralateral sites were computed. RESULTS: Correlations between proximal and distal BMD values within one bone were moderate for both left (R2=0.37) and right humeri (R2=0.40). BMD comparison between left and right humeri revealed high correlations for both the distal (R2=0.90) and the proximal humerus (R2=0.74) (all P<0.01). Elderly specimen (>or=70 years) showed better intersite correlations between all regions than younger specimen (<70 years). CONCLUSION: High correlations between contralateral BMD values may be the result of similar biomechanical loading conditions. Although a relationship between proximal and distal bone quality of the same bone was found, the moderate coefficient suggests that ipsilateral measurements do not provide a good prediction of humeral head BMD. Bone quality at the humeral head is best predicted by BMD measurements at the contralateral location rather than the ipsilateral distal site.

Absorptiometry, Photon↗